Demencja czołowo-skroniowa
Rokowania, prognozy i postęp choroby

Demencja czołowo-skroniowa (FTD) to postępujące schorzenie neurodegeneracyjne o zróżnicowanym przebiegu klinicznym i zmiennym rokowaniu, z medianą przeżycia wynoszącą około 8-10 lat od wystąpienia objawów. Przeżywalność różni się w zależności od podtypu: behawioralny wariant FTD (bvFTD) – około 6,5 roku, wariant językowy (lvFTD) – 6,1 roku, a wariant z zaburzeniami motorycznymi (mFTD) – 4 lata. Współwystępowanie FTD z chorobą neuronu ruchowego (MND) znacząco skraca przeżycie. Czynniki prognostyczne obejmują wiek, płeć, stopień zależności, obecność zaburzeń behawioralnych (impulsywność, apatia), a także wyniki testów neuropsychologicznych, takich jak Trail Making Test. Zaburzenia motoryczne i behawioralne są powiązane z krótszym czasem przeżycia i zwiększonym ryzykiem umieszczenia w placówce opiekuńczej. Wczesna diagnoza i brak współistniejących chorób sprzyjają dłuższemu przeżyciu.

demencji-czolowo-skroniowej”>Prognostyka demencji czołowo-skroniowej

Demencja czołowo-skroniowa (FTD) jest postępującym schorzeniem neurodegeneracyjnym, charakteryzującym się zróżnicowanym przebiegiem klinicznym i zmiennym rokowaniem, co utrudnia precyzyjne przewidywanie przebiegu choroby u indywidualnych pacjentów.12 Lepsze modele prognostyczne są niezbędne zarówno dla projektowania badań klinicznych, jak i optymalizacji postępowania klinicznego.3 Obecnie brak jest leczenia przyczynowego, które mogłoby zatrzymać lub spowolnić postęp choroby.4

Czas przeżycia w zależności od podtypu klinicznego

Średni czas przeżycia po wystąpieniu objawów FTD wynosi około 8-10 lat, jednak obserwuje się znaczną zmienność międzyosobniczą.5 Niektóre badania wskazują na średnią przeżywalność około 7,5 roku od momentu postawienia diagnozy.6 Przeżywalność różni się istotnie w zależności od podtypu klinicznego:7

  • Behawioralny wariant FTD (bvFTD): mediana przeżycia około 6,5 roku8
  • Wariant językowy FTD (lvFTD): mediana przeżycia około 6,1 roku9
  • Wariant z zaburzeniami motorycznymi (mFTD): mediana przeżycia około 4,0 lat10

Wariant z zaburzeniami motorycznymi (mFTD) wiąże się z najkrótszym przeżyciem, podczas gdy przeżycie w bvFTD i lvFTD nie różni się istotnie od przeżycia w chorobie Alzheimera (5,5 roku).11 Po dostosowaniu do wieku i płci, mFTD był istotnie związany z niższą medianą przeżycia w porównaniu do choroby Alzheimera (HR 2,32 [1,89-2,84], p<0,001).12

Czynniki wpływające na rokowanie

Badania wykazały, że pacjenci zazwyczaj żyją dłużej, jeśli:13

  • Są młodsi w momencie diagnozy
  • Zostali zdiagnozowani szybko, zanim objawy stały się nasilone
  • Nie mają innych współistniejących chorób

Współwystępowanie FTD i choroby neuronu ruchowego (MND) może znacząco skrócić oczekiwaną długość życia w porównaniu do izolowanej FTD.14 Analizy wieloczynnikowe wskazują, że podwyższone ryzyko śmiertelności jest związane z: starszym wiekiem, płcią męską, wyższym poziomem zależności i potrzebą opieki osobistej, większą liczbą lat edukacji, dłuższym okresem palenia tytoniu oraz gorszymi wynikami w testach neuropsychologicznych, takich jak Test Łączenia Punktów (Trail Making Test).15

Predyktory kliniczne utraty niezależności i śmiertelności

Behawioralne czynniki prognostyczne odgrywają kluczową rolę w przewidywaniu utraty niezależności funkcjonalnej. Badania wykazały, że zaburzenia behawioralne, w tym impulsywność i apatia, wiązały się ze skróconym przeżyciem w samodzielności funkcjonalnej (OR 2,46, p<0,001), nawet po wykluczeniu z analizy pacjentów z behawioralnym wariantem FTD (bvFTD).1617 Upośledzenie behawioralne jest czynnikiem ryzyka umieszczenia w placówce opiekuńczej u pacjentów z demencją.18 Zaburzenia zachowania, reprezentowane przez wymiar zespołu 1, wiązały się z większym ryzykiem umieszczenia w domu opieki.19

Zaburzenia motoryczne są związane ze zmniejszonym bezwzględnym przeżyciem, nawet po wykluczeniu z analizy pacjentów z postępującym porażeniem nadjądrowym (PSP) i zespołem korowo-podstawnym (CBS).2021 Obecność objawów motorycznych (w tym parkinsonizmu, niestabilności postawy, porażenia nadjądrowego spojrzenia, dystonii i apraksji) wiąże się ze zmniejszonym bezwzględnym przeżyciem.22

Utrata niezależności funkcjonalnej

FTD stopniowo wpływa na coraz więcej obszarów mózgu, zaburzając zdolności kontrolowane przez te obszary.23 Ze względu na postępujący wpływ choroby na zdolność kontrolowania działań lub komunikowania się, większość osób dotkniętych FTD ostatecznie nie jest w stanie żyć samodzielnie.24 Badania oparte na obserwacjach społeczności sugerują, że zwiększona zależność, wynikająca z upośledzenia poznawczego lub fizycznego, przewiduje konieczność umieszczenia w domu opieki.25 Najczęściej osoby z tym schorzeniem potrzebują całodobowej wykwalifikowanej opieki medycznej, takiej jak w placówce opiekuńczej lub ośrodku opieki długoterminowej.26

Modele predykcyjne i podejście transdiagnostyczne

Dla lepszej prognostyki w FTD opracowywane są zaawansowane modele predykcyjne. Badania wskazują na użyteczność podejścia transdiagnostycznego, które uwzględnia nakładanie się objawów klinicznych i mieszane fenotypy, co dodaje istotnych klinicznie informacji do prognostyki, wykraczających poza etykietę grupy diagnostycznej.2728

Modele uczenia maszynowego w przewidywaniu śmiertelności

Najnowsze badania wykorzystują modele uczenia maszynowego do identyfikacji pacjentów zagrożonych śmiertelnością w krótkim okresie oraz identyfikacji czynników przyczyniających się do ryzyka śmiertelności w różnych typach demencji.29 Modele te osiągnęły pole pod krzywą ROC (AUC-ROC) powyżej 0,82 dla wszystkich progów 1-, 3-, 5- i 10-letnich, wykorzystując oszczędny zestaw tylko dziewięciu cech.30 Stratyfikowane analizy ujawniły wspólne i odmienne predyktory śmiertelności w ośmiu typach demencji.31

Nawet prostsze modele dwucechowe, wykorzystujące wiek i globalne wyniki w skali CDR (Clinical Dementia Rating), osiągnęły AUC-ROC powyżej 0,76 dla wszystkich czterech progów przeżycia w wewnętrznym zestawie testowym.32 W przewidywaniu śmiertelności pacjentów z demencją na progu przeżycia 5 lat, modele specyficzne dla typu demencji osiągnęły AUC-ROC powyżej 0,79 w wewnętrznym zestawie testowym.33

Kryteria diagnostyczne dla prodromalnej FTD

Proponowane kryteria MCBMI (Mild Cognitive and Behavioral/Motor Impairment) wykazały bardzo dobrą dokładność klasyfikacji w identyfikacji prodromalnego stadium FTD.34 Kryteria MCBMI wykazały dobrą dokładność diagnostyczną w klasyfikacji MCBMI w porównaniu z grupą członków rodziny niebędących nosicielami, z lepszą swoistością i wartościami predykcyjnymi ujemnymi niż czułością.35

Dodanie neurofilamentów w osoczu (NfL) lub atrofii przedniej części kory zakrętu obręczy do kryteriów MCBMI podobnie zwiększyło dokładność diagnostyczną.36 Najwyższą dokładność diagnostyczną wykazało włączenie zarówno NfL w osoczu, jak i atrofii przedniej części kory zakrętu obręczy do kryteriów MCBMI, z AUC wynoszącym 0,97 (0,93–1,00), czułością 91,7% i swoistością 96,4%.37 Podobne wyniki obserwowano w różnych grupach genetycznych (C9orf72, GRN, MAPT), co sugeruje, że kryteria te mogą być dokładne również w sporadycznych postaciach choroby.38

Implikacje terapeutyczne i podejście kliniczne

Wyniki badań prognostycznych mają istotne implikacje dla leczenia klinicznego pacjentów z zespołami związanymi z zwyrodnieniem czołowo-skroniowym. Sugerują one, że związek między diagnozą lub proteinopatią a przeżyciem jest słaby.3940 Zamiast tego, przeżycie jest ściślej związane z cechami fenotypowymi w całym spektrum zespołów FTLD.41

Leczenie objawowe i jego wpływ na rokowanie

Zatrzymanie lub odwrócenie neurodegeneracji spowodowanej FTLD pozostaje długoterminowym celem. Jednak leczenie objawów niezależnie od diagnozy i etiologii pozostaje ważne, na przykład poprzez ukierunkowanie na wspólne deficyty neuroprzekaźników.42 Sugeruje się, że leczenie zaburzeń behawioralnych może opóźnić potrzebę umieszczenia w domu opieki, co przynosi korzyści dla indywidualnego zdrowia pacjenta i ekonomii zdrowia.43

Skuteczne leczenie objawów behawioralnych i motorycznych mogłoby poprawić niezależne funkcjonalnie przeżycie i potencjalnie zmniejszyć bezwzględną śmiertelność.4445 Podejście transdiagnostyczne wspiera prowadzenie badań nad leczeniem objawowym u pacjentów z zespołami klinicznymi związanymi ze zwyrodnieniem czołowo-skroniowym.46

Indywidualizacja prognostyki i planowanie postępowania

Wyniki badań prognostycznych mogą pomóc w indywidualizacji prognostyki i planowaniu badań nad lekami modyfikującymi przebieg choroby.4748 Zdolność modeli predykcyjnych do identyfikacji pacjentów z demencją o podwyższonym ryzyku śmiertelności może pomóc w praktyce klinicznej, potencjalnie umożliwiając wcześniejsze interwencje i dostosowane strategie leczenia w celu poprawy wyników u pacjentów.49

FTD nie jest śmiertelna sama w sobie, ale często powoduje inne problemy, które są poważne lub nawet zagrażające życiu.50 Choroba może postępować szybciej lub wolniej u różnych osób.51 Lekarz prowadzący jest najlepszą osobą, która może dostarczyć więcej informacji na temat postępu choroby i prawdopodobnego harmonogramu jej rozwoju u konkretnego pacjenta.52

Znaczenie wczesnej diagnostyki

Badania wskazują na istotne różnice między zespołami FTD i chorobą Alzheimera pod względem funkcji poznawczych i autonomii na początku, spadku funkcji poznawczych oraz czasu trwania choroby.53 Strategie terapeutyczne dla FTD różnią się radykalnie od tych stosowanych w chorobie Alzheimera.54 Oznacza to, że wczesna i precyzyjna diagnostyka różnicowa ma kluczowe znaczenie dla właściwego prowadzenia pacjenta i optymalizacji postępowania klinicznego.

Ogólnie rzecz biorąc, badania pokazują, że zespoły FTD mają specyficzne cechy kliniczne, różne wzorce progresji i wymagają odmiennych strategii terapeutycznych.55 Modele prognostyczne mogą być stosowane zarówno z ograniczonym zestawem cech klinicznych, jak i w obecności heterogenicznych populacji pacjentów z demencją, co może przyczynić się do precyzyjnej opieki nad pacjentami z demencją czołowo-skroniową.56

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  1. 10.04.2026
  2. www.leksykon.com.pl

Materiały źródłowe

  • #1 Predicting loss of independence and mortality in frontotemporal lobar degeneration syndromes | Journal of Neurology, Neurosurgery & Psychiatry
    https://jnnp.bmj.com/content/92/7/737
    Prognosis in syndromes associated with frontotemporal lobar degeneration (FTLD) is highly variable and difficult to predict. […] Behavioural impairment is a risk factor for care home admission in patients with dementia, while patients with PSP and CBS, on average, have a worse prognosis than those with bvFTD or PPA. […] The principal result of this study is that clinician-rated and carer-rated behavioural disturbance are associated with shorter functionally independent survival, while the presence of motor features (including parkinsonism, postural instability, supranuclear gaze palsy, dystonia and apraxia) is associated with reduced absolute survival. […] These associations are found across the spectrum of common syndromes associated with FTLD, even when groups classically associated with these clinical features are excluded (bvFTD and PSP/CBS, respectively).
  • #2 Predicting loss of independence and mortality in frontotemporal lobar degeneration syndromes
    https://pmc.ncbi.nlm.nih.gov/articles/PMC8223632/
    Behavioural disturbance, including impulsivity and apathy, was associated with reduced functionally independent survival (OR 2.46, p0.001), even if patients with bvFTD were removed from the analysis. […] Motor impairments were associated with reduced absolute survival, even if patients with PSP and CBS were removed from the analysis. […] Our results can assist individualised prognostication and planning of disease-modifying trials, and they support a transdiagnostic approach to symptomatic treatment trials in patients with clinical syndromes associated with frontotemporal lobar degeneration. […] Prognosis in syndromes associated with frontotemporal lobar degeneration (FTLD) is highly variable and difficult to predict. […] Better prognostic models would aid both trial design and clinical management.
  • #3 Predicting loss of independence and mortality in frontotemporal lobar degeneration syndromes
    https://pmc.ncbi.nlm.nih.gov/articles/PMC8223632/
    Behavioural disturbance, including impulsivity and apathy, was associated with reduced functionally independent survival (OR 2.46, p0.001), even if patients with bvFTD were removed from the analysis. […] Motor impairments were associated with reduced absolute survival, even if patients with PSP and CBS were removed from the analysis. […] Our results can assist individualised prognostication and planning of disease-modifying trials, and they support a transdiagnostic approach to symptomatic treatment trials in patients with clinical syndromes associated with frontotemporal lobar degeneration. […] Prognosis in syndromes associated with frontotemporal lobar degeneration (FTLD) is highly variable and difficult to predict. […] Better prognostic models would aid both trial design and clinical management.
  • #4
    https://www.nhs.uk/conditions/frontotemporal-dementia/
    Frontotemporal dementia is an uncommon type of dementia that causes problems with behaviour and language. […] Like other types of dementia, frontotemporal dementia tends to develop slowly and get gradually worse over several years. […] There’s currently no cure for frontotemporal dementia or any treatment that will slow it down. […] The average survival time after symptoms start is around 8 to 10 years. But this is highly variable and some people live much longer than this. […] How quickly frontotemporal dementia gets worse varies from person to person and is very difficult to predict.
  • #5
    https://www.nhs.uk/conditions/frontotemporal-dementia/
    Frontotemporal dementia is an uncommon type of dementia that causes problems with behaviour and language. […] Like other types of dementia, frontotemporal dementia tends to develop slowly and get gradually worse over several years. […] There’s currently no cure for frontotemporal dementia or any treatment that will slow it down. […] The average survival time after symptoms start is around 8 to 10 years. But this is highly variable and some people live much longer than this. […] How quickly frontotemporal dementia gets worse varies from person to person and is very difficult to predict.
  • #6 Frontotemporal Dementia: What It Is, Symptoms & Treatment
    https://my.clevelandclinic.org/health/diseases/21075-frontotemporal-dementia
    Frontotemporal dementia is a degenerative brain disease. […] FTD is a permanent, life-long condition. […] The average life expectancy for a person after diagnosis with FTD is 7.5 years. […] FTD gradually affects more and more areas of your brain, disrupting the abilities those areas control. […] Because this condition gradually affects your ability to control your actions or communicate, most people who have it eventually can’t live independently. […] Commonly, people with this condition need 24/7 skilled medical care, such as in a skilled nursing facility or long-term care setting. […] While FTD isn’t fatal on its own, it often causes other issues that are serious or even life-threatening. […] The condition can progress faster or slower. […] Your healthcare provider (or the provider for your loved one) is the best person to tell you more about the progress of the disease and the likely timeline.
  • #7 Characteristics and progression of patients with frontotemporal dementia in a regional memory clinic network | Alzheimer’s Research & Therapy | Full Text
    https://alzres.biomedcentral.com/articles/10.1186/s13195-020-00753-9
    Among the patients that were referred to our network in the 6-year time span, 690 were ultimately diagnosed with FTD and 18,831 with AD. […] mFTD patients had the shortest survival while survival in bvFTD, lvFTD, and AD did not significantly differ. […] The median survival time after diagnostic was 5.5 years for the entire sample and varied significantly according to the diagnosis subtype (6.5 years for bvFTD, 6.1 for lvFTD, 5.5 for AD, and 4.0 for mFTD, p<0.001). [...] After adjustment for age and sex, mFTD were significantly associated with a lower median survival as compared to AD (2.32 [1.89-2.84], p<0.001). [...] The main findings of the present study are threefold: (1) despite new sets of criteria, diagnoses of FTD syndromes remained low in routine care in our regional memory clinic network;
  • #8 Characteristics and progression of patients with frontotemporal dementia in a regional memory clinic network | Alzheimer’s Research & Therapy | Full Text
    https://alzres.biomedcentral.com/articles/10.1186/s13195-020-00753-9
    Among the patients that were referred to our network in the 6-year time span, 690 were ultimately diagnosed with FTD and 18,831 with AD. […] mFTD patients had the shortest survival while survival in bvFTD, lvFTD, and AD did not significantly differ. […] The median survival time after diagnostic was 5.5 years for the entire sample and varied significantly according to the diagnosis subtype (6.5 years for bvFTD, 6.1 for lvFTD, 5.5 for AD, and 4.0 for mFTD, p<0.001). [...] After adjustment for age and sex, mFTD were significantly associated with a lower median survival as compared to AD (2.32 [1.89-2.84], p<0.001). [...] The main findings of the present study are threefold: (1) despite new sets of criteria, diagnoses of FTD syndromes remained low in routine care in our regional memory clinic network;
  • #9 Characteristics and progression of patients with frontotemporal dementia in a regional memory clinic network | Alzheimer’s Research & Therapy | Full Text
    https://alzres.biomedcentral.com/articles/10.1186/s13195-020-00753-9
    Among the patients that were referred to our network in the 6-year time span, 690 were ultimately diagnosed with FTD and 18,831 with AD. […] mFTD patients had the shortest survival while survival in bvFTD, lvFTD, and AD did not significantly differ. […] The median survival time after diagnostic was 5.5 years for the entire sample and varied significantly according to the diagnosis subtype (6.5 years for bvFTD, 6.1 for lvFTD, 5.5 for AD, and 4.0 for mFTD, p<0.001). [...] After adjustment for age and sex, mFTD were significantly associated with a lower median survival as compared to AD (2.32 [1.89-2.84], p<0.001). [...] The main findings of the present study are threefold: (1) despite new sets of criteria, diagnoses of FTD syndromes remained low in routine care in our regional memory clinic network;
  • #10 Characteristics and progression of patients with frontotemporal dementia in a regional memory clinic network | Alzheimer’s Research & Therapy | Full Text
    https://alzres.biomedcentral.com/articles/10.1186/s13195-020-00753-9
    Among the patients that were referred to our network in the 6-year time span, 690 were ultimately diagnosed with FTD and 18,831 with AD. […] mFTD patients had the shortest survival while survival in bvFTD, lvFTD, and AD did not significantly differ. […] The median survival time after diagnostic was 5.5 years for the entire sample and varied significantly according to the diagnosis subtype (6.5 years for bvFTD, 6.1 for lvFTD, 5.5 for AD, and 4.0 for mFTD, p<0.001). [...] After adjustment for age and sex, mFTD were significantly associated with a lower median survival as compared to AD (2.32 [1.89-2.84], p<0.001). [...] The main findings of the present study are threefold: (1) despite new sets of criteria, diagnoses of FTD syndromes remained low in routine care in our regional memory clinic network;
  • #11 Characteristics and progression of patients with frontotemporal dementia in a regional memory clinic network | Alzheimer’s Research & Therapy | Full Text
    https://alzres.biomedcentral.com/articles/10.1186/s13195-020-00753-9
    Among the patients that were referred to our network in the 6-year time span, 690 were ultimately diagnosed with FTD and 18,831 with AD. […] mFTD patients had the shortest survival while survival in bvFTD, lvFTD, and AD did not significantly differ. […] The median survival time after diagnostic was 5.5 years for the entire sample and varied significantly according to the diagnosis subtype (6.5 years for bvFTD, 6.1 for lvFTD, 5.5 for AD, and 4.0 for mFTD, p<0.001). [...] After adjustment for age and sex, mFTD were significantly associated with a lower median survival as compared to AD (2.32 [1.89-2.84], p<0.001). [...] The main findings of the present study are threefold: (1) despite new sets of criteria, diagnoses of FTD syndromes remained low in routine care in our regional memory clinic network;
  • #12 Characteristics and progression of patients with frontotemporal dementia in a regional memory clinic network | Alzheimer’s Research & Therapy | Full Text
    https://alzres.biomedcentral.com/articles/10.1186/s13195-020-00753-9
    Among the patients that were referred to our network in the 6-year time span, 690 were ultimately diagnosed with FTD and 18,831 with AD. […] mFTD patients had the shortest survival while survival in bvFTD, lvFTD, and AD did not significantly differ. […] The median survival time after diagnostic was 5.5 years for the entire sample and varied significantly according to the diagnosis subtype (6.5 years for bvFTD, 6.1 for lvFTD, 5.5 for AD, and 4.0 for mFTD, p<0.001). [...] After adjustment for age and sex, mFTD were significantly associated with a lower median survival as compared to AD (2.32 [1.89-2.84], p<0.001). [...] The main findings of the present study are threefold: (1) despite new sets of criteria, diagnoses of FTD syndromes remained low in routine care in our regional memory clinic network;
  • #13 Frontotemporal dementia (FTD) | Alzheimer’s Society
    https://www.alzheimers.org.uk/about-dementia/types-dementia/frontotemporal-dementia
    People vary greatly in how long they live with FTD. This is very difficult to predict for individual people, although generally people tend to live longer if they: […] are younger when they are diagnosed […] are diagnosed quickly before their symptoms become severe […] dont have other health conditions. […] FTD and MND are both progressive conditions that get worse over time. Having the two conditions can reduce a persons life expectancy more than having FTD on its own.
  • #14 Frontotemporal dementia (FTD) | Alzheimer’s Society
    https://www.alzheimers.org.uk/about-dementia/types-dementia/frontotemporal-dementia
    People vary greatly in how long they live with FTD. This is very difficult to predict for individual people, although generally people tend to live longer if they: […] are younger when they are diagnosed […] are diagnosed quickly before their symptoms become severe […] dont have other health conditions. […] FTD and MND are both progressive conditions that get worse over time. Having the two conditions can reduce a persons life expectancy more than having FTD on its own.
  • #15 Machine learning models identify predictive features of patient mortality across dementia types | Communications Medicine
    https://www.nature.com/articles/s43856-024-00437-7
    Our two-feature models, which utilized age and global CDR scores, achieved an AUC-ROC of over 0.76 at all four survival thresholds in the internal test set. […] Our multi-factorial models, for which we utilized SHAP to select a subset of nine features, achieved an AUC-ROC of over 0.82 at all four survival thresholds in the internal test set and comparable performance in the external test set. […] The multi-factorial models revealed that a higher risk of mortality was predicted by older age, male sex, higher levels of dependency and personal care required, more years of education, more years of smoking, and poorer performance on neuropsychological exams like the Trail Making Test. […] In predicting dementia patient mortality at the 5-year survival threshold, our dementia type-specific models all achieved an AUC-ROC of over 0.79 in the internal test set and similar performance in the external test set.
  • #16 Predicting loss of independence and mortality in frontotemporal lobar degeneration syndromes
    https://pmc.ncbi.nlm.nih.gov/articles/PMC8223632/
    Behavioural disturbance, including impulsivity and apathy, was associated with reduced functionally independent survival (OR 2.46, p0.001), even if patients with bvFTD were removed from the analysis. […] Motor impairments were associated with reduced absolute survival, even if patients with PSP and CBS were removed from the analysis. […] Our results can assist individualised prognostication and planning of disease-modifying trials, and they support a transdiagnostic approach to symptomatic treatment trials in patients with clinical syndromes associated with frontotemporal lobar degeneration. […] Prognosis in syndromes associated with frontotemporal lobar degeneration (FTLD) is highly variable and difficult to predict. […] Better prognostic models would aid both trial design and clinical management.
  • #17 Predicting loss of independence and mortality in frontotemporal lobar degeneration syndromes | Journal of Neurology, Neurosurgery & Psychiatry
    https://jnnp.bmj.com/content/92/7/737
    Objective To test the hypothesis that in syndromes associated with frontotemporal lobar degeneration, behavioural impairment predicts loss of functional independence and motor clinical features predict mortality, irrespective of diagnostic group. […] Behavioural disturbance, including impulsivity and apathy, was associated with reduced functionally independent survival (OR 2.46, p0.001), even if patients with bvFTD were removed from the analysis. Motor impairments were associated with reduced absolute survival, even if patients with PSP and CBS were removed from the analysis. […] Our results can assist individualised prognostication and planning of disease-modifying trials, and they support a transdiagnostic approach to symptomatic treatment trials in patients with clinical syndromes associated with frontotemporal lobar degeneration.
  • #18 Predicting loss of independence and mortality in frontotemporal lobar degeneration syndromes | Journal of Neurology, Neurosurgery & Psychiatry
    https://jnnp.bmj.com/content/92/7/737
    Prognosis in syndromes associated with frontotemporal lobar degeneration (FTLD) is highly variable and difficult to predict. […] Behavioural impairment is a risk factor for care home admission in patients with dementia, while patients with PSP and CBS, on average, have a worse prognosis than those with bvFTD or PPA. […] The principal result of this study is that clinician-rated and carer-rated behavioural disturbance are associated with shorter functionally independent survival, while the presence of motor features (including parkinsonism, postural instability, supranuclear gaze palsy, dystonia and apraxia) is associated with reduced absolute survival. […] These associations are found across the spectrum of common syndromes associated with FTLD, even when groups classically associated with these clinical features are excluded (bvFTD and PSP/CBS, respectively).
  • #19 Predicting loss of independence and mortality in frontotemporal lobar degeneration syndromes | Journal of Neurology, Neurosurgery & Psychiatry
    https://jnnp.bmj.com/content/92/7/737
    We suggest that a transdiagnostic approach that captures the clinical overlap and mixed phenotype adds clinically relevant information for prognostication to that available from the diagnostic group label. […] Behavioural impairment, represented here by syndrome dimension 1, was associated with a greater risk of care home admission. […] Our results have implications for the clinical treatment of patients with FTLD syndromes. They suggest that the association between diagnosis or proteinopathy and survival is weak, with the caveat that only a subset of our cohort has a neuropathological diagnosis at the time of publication. Instead, survival was more closely associated with phenotypic features across the spectrum of FTLD syndromes. […] Effective treatments for behavioural and motor features could improve functionally independent survival and might reduce absolute mortality.
  • #20 Predicting loss of independence and mortality in frontotemporal lobar degeneration syndromes
    https://pmc.ncbi.nlm.nih.gov/articles/PMC8223632/
    Behavioural disturbance, including impulsivity and apathy, was associated with reduced functionally independent survival (OR 2.46, p0.001), even if patients with bvFTD were removed from the analysis. […] Motor impairments were associated with reduced absolute survival, even if patients with PSP and CBS were removed from the analysis. […] Our results can assist individualised prognostication and planning of disease-modifying trials, and they support a transdiagnostic approach to symptomatic treatment trials in patients with clinical syndromes associated with frontotemporal lobar degeneration. […] Prognosis in syndromes associated with frontotemporal lobar degeneration (FTLD) is highly variable and difficult to predict. […] Better prognostic models would aid both trial design and clinical management.
  • #21 Predicting loss of independence and mortality in frontotemporal lobar degeneration syndromes | Journal of Neurology, Neurosurgery & Psychiatry
    https://jnnp.bmj.com/content/92/7/737
    Objective To test the hypothesis that in syndromes associated with frontotemporal lobar degeneration, behavioural impairment predicts loss of functional independence and motor clinical features predict mortality, irrespective of diagnostic group. […] Behavioural disturbance, including impulsivity and apathy, was associated with reduced functionally independent survival (OR 2.46, p0.001), even if patients with bvFTD were removed from the analysis. Motor impairments were associated with reduced absolute survival, even if patients with PSP and CBS were removed from the analysis. […] Our results can assist individualised prognostication and planning of disease-modifying trials, and they support a transdiagnostic approach to symptomatic treatment trials in patients with clinical syndromes associated with frontotemporal lobar degeneration.
  • #22 Predicting loss of independence and mortality in frontotemporal lobar degeneration syndromes | Journal of Neurology, Neurosurgery & Psychiatry
    https://jnnp.bmj.com/content/92/7/737
    Prognosis in syndromes associated with frontotemporal lobar degeneration (FTLD) is highly variable and difficult to predict. […] Behavioural impairment is a risk factor for care home admission in patients with dementia, while patients with PSP and CBS, on average, have a worse prognosis than those with bvFTD or PPA. […] The principal result of this study is that clinician-rated and carer-rated behavioural disturbance are associated with shorter functionally independent survival, while the presence of motor features (including parkinsonism, postural instability, supranuclear gaze palsy, dystonia and apraxia) is associated with reduced absolute survival. […] These associations are found across the spectrum of common syndromes associated with FTLD, even when groups classically associated with these clinical features are excluded (bvFTD and PSP/CBS, respectively).
  • #23 Frontotemporal Dementia: What It Is, Symptoms & Treatment
    https://my.clevelandclinic.org/health/diseases/21075-frontotemporal-dementia
    Frontotemporal dementia is a degenerative brain disease. […] FTD is a permanent, life-long condition. […] The average life expectancy for a person after diagnosis with FTD is 7.5 years. […] FTD gradually affects more and more areas of your brain, disrupting the abilities those areas control. […] Because this condition gradually affects your ability to control your actions or communicate, most people who have it eventually can’t live independently. […] Commonly, people with this condition need 24/7 skilled medical care, such as in a skilled nursing facility or long-term care setting. […] While FTD isn’t fatal on its own, it often causes other issues that are serious or even life-threatening. […] The condition can progress faster or slower. […] Your healthcare provider (or the provider for your loved one) is the best person to tell you more about the progress of the disease and the likely timeline.
  • #24 Frontotemporal Dementia: What It Is, Symptoms & Treatment
    https://my.clevelandclinic.org/health/diseases/21075-frontotemporal-dementia
    Frontotemporal dementia is a degenerative brain disease. […] FTD is a permanent, life-long condition. […] The average life expectancy for a person after diagnosis with FTD is 7.5 years. […] FTD gradually affects more and more areas of your brain, disrupting the abilities those areas control. […] Because this condition gradually affects your ability to control your actions or communicate, most people who have it eventually can’t live independently. […] Commonly, people with this condition need 24/7 skilled medical care, such as in a skilled nursing facility or long-term care setting. […] While FTD isn’t fatal on its own, it often causes other issues that are serious or even life-threatening. […] The condition can progress faster or slower. […] Your healthcare provider (or the provider for your loved one) is the best person to tell you more about the progress of the disease and the likely timeline.
  • #25 Predicting loss of independence and mortality in frontotemporal lobar degeneration syndromes
    https://pmc.ncbi.nlm.nih.gov/articles/PMC8223632/
    We therefore adopted a transdiagnostic approach, increasingly used in psychiatric and neurological diseases, to identify prognostic clinical features across the FTLD syndrome spectrum. […] Mortality is a definite endpoint in FTD, PSP and CBS. […] Community-based studies suggest that increased dependency, from cognitive or physical impairment, predicts care home admission. […] We suggest that treating behavioural disturbance may delay the need for care home admission, with benefits to individual health and health economics. […] Our results have implications for the clinical treatment of patients with FTLD syndromes. They suggest that the association between diagnosis or proteinopathy and survival is weak, with the caveat that only a subset of our cohort has a neuropathological diagnosis at the time of publication.
  • #26 Frontotemporal Dementia: What It Is, Symptoms & Treatment
    https://my.clevelandclinic.org/health/diseases/21075-frontotemporal-dementia
    Frontotemporal dementia is a degenerative brain disease. […] FTD is a permanent, life-long condition. […] The average life expectancy for a person after diagnosis with FTD is 7.5 years. […] FTD gradually affects more and more areas of your brain, disrupting the abilities those areas control. […] Because this condition gradually affects your ability to control your actions or communicate, most people who have it eventually can’t live independently. […] Commonly, people with this condition need 24/7 skilled medical care, such as in a skilled nursing facility or long-term care setting. […] While FTD isn’t fatal on its own, it often causes other issues that are serious or even life-threatening. […] The condition can progress faster or slower. […] Your healthcare provider (or the provider for your loved one) is the best person to tell you more about the progress of the disease and the likely timeline.
  • #27 Predicting loss of independence and mortality in frontotemporal lobar degeneration syndromes | Journal of Neurology, Neurosurgery & Psychiatry
    https://jnnp.bmj.com/content/92/7/737
    We suggest that a transdiagnostic approach that captures the clinical overlap and mixed phenotype adds clinically relevant information for prognostication to that available from the diagnostic group label. […] Behavioural impairment, represented here by syndrome dimension 1, was associated with a greater risk of care home admission. […] Our results have implications for the clinical treatment of patients with FTLD syndromes. They suggest that the association between diagnosis or proteinopathy and survival is weak, with the caveat that only a subset of our cohort has a neuropathological diagnosis at the time of publication. Instead, survival was more closely associated with phenotypic features across the spectrum of FTLD syndromes. […] Effective treatments for behavioural and motor features could improve functionally independent survival and might reduce absolute mortality.
  • #28 Predicting loss of independence and mortality in frontotemporal lobar degeneration syndromes
    https://pmc.ncbi.nlm.nih.gov/articles/PMC8223632/
    We therefore adopted a transdiagnostic approach, increasingly used in psychiatric and neurological diseases, to identify prognostic clinical features across the FTLD syndrome spectrum. […] Mortality is a definite endpoint in FTD, PSP and CBS. […] Community-based studies suggest that increased dependency, from cognitive or physical impairment, predicts care home admission. […] We suggest that treating behavioural disturbance may delay the need for care home admission, with benefits to individual health and health economics. […] Our results have implications for the clinical treatment of patients with FTLD syndromes. They suggest that the association between diagnosis or proteinopathy and survival is weak, with the caveat that only a subset of our cohort has a neuropathological diagnosis at the time of publication.
  • #29 Machine learning models identify predictive features of patient mortality across dementia types | Communications Medicine
    https://www.nature.com/articles/s43856-024-00437-7
    Dementia care is challenging due to the divergent trajectories in disease progression and outcomes. Predictive models are needed to flag patients at risk of near-term mortality and identify factors contributing to mortality risk across different dementia types. […] Our models achieved an area under the receiver operating characteristic curve (AUC-ROC) of over 0.82 utilizing nine parsimonious features for all 1-, 3-, 5-, and 10-year thresholds. […] Notably, stratified analyses revealed shared and distinct predictors of mortality across eight dementia types. […] This study demonstrates the feasibility of flagging dementia patients at risk of mortality for personalized clinical management. […] The ability of these models to identify dementia patients at a heightened risk of mortality could aid clinical practices, potentially allowing for earlier interventions and tailored treatment strategies to improve patient outcomes.
  • #30 Machine learning models identify predictive features of patient mortality across dementia types | Communications Medicine
    https://www.nature.com/articles/s43856-024-00437-7
    Our models provide a robust method of flagging dementia patients at risk of near-term death, achieving an area under the receiver operating characteristic curve (AUC-ROC) of over 0.82 for all of 1-, 3-, 5-, and 10-year thresholds while utilizing a set of only nine features, most of which consist of dementia-related predictors as opposed to more general age-related risk factors. […] Overall, our models can be used both with a limited set of clinical features and in the presence of heterogeneous dementia patient populations, which can contribute to the precision care of dementia. […] The overall median survival time for Alzheimers disease was not reached, with 5- and 7-year survival rates of 76.05% and 66.63%, respectively. […] The overall median survival time in Lewy Body disease was 98.3 months (95% CI 84.2119.5), with 5- and 7-year survival rates of 60.0% and 52.0%, respectively.
  • #31 Machine learning models identify predictive features of patient mortality across dementia types | Communications Medicine
    https://www.nature.com/articles/s43856-024-00437-7
    Dementia care is challenging due to the divergent trajectories in disease progression and outcomes. Predictive models are needed to flag patients at risk of near-term mortality and identify factors contributing to mortality risk across different dementia types. […] Our models achieved an area under the receiver operating characteristic curve (AUC-ROC) of over 0.82 utilizing nine parsimonious features for all 1-, 3-, 5-, and 10-year thresholds. […] Notably, stratified analyses revealed shared and distinct predictors of mortality across eight dementia types. […] This study demonstrates the feasibility of flagging dementia patients at risk of mortality for personalized clinical management. […] The ability of these models to identify dementia patients at a heightened risk of mortality could aid clinical practices, potentially allowing for earlier interventions and tailored treatment strategies to improve patient outcomes.
  • #32 Machine learning models identify predictive features of patient mortality across dementia types | Communications Medicine
    https://www.nature.com/articles/s43856-024-00437-7
    Our two-feature models, which utilized age and global CDR scores, achieved an AUC-ROC of over 0.76 at all four survival thresholds in the internal test set. […] Our multi-factorial models, for which we utilized SHAP to select a subset of nine features, achieved an AUC-ROC of over 0.82 at all four survival thresholds in the internal test set and comparable performance in the external test set. […] The multi-factorial models revealed that a higher risk of mortality was predicted by older age, male sex, higher levels of dependency and personal care required, more years of education, more years of smoking, and poorer performance on neuropsychological exams like the Trail Making Test. […] In predicting dementia patient mortality at the 5-year survival threshold, our dementia type-specific models all achieved an AUC-ROC of over 0.79 in the internal test set and similar performance in the external test set.
  • #33 Machine learning models identify predictive features of patient mortality across dementia types | Communications Medicine
    https://www.nature.com/articles/s43856-024-00437-7
    Our two-feature models, which utilized age and global CDR scores, achieved an AUC-ROC of over 0.76 at all four survival thresholds in the internal test set. […] Our multi-factorial models, for which we utilized SHAP to select a subset of nine features, achieved an AUC-ROC of over 0.82 at all four survival thresholds in the internal test set and comparable performance in the external test set. […] The multi-factorial models revealed that a higher risk of mortality was predicted by older age, male sex, higher levels of dependency and personal care required, more years of education, more years of smoking, and poorer performance on neuropsychological exams like the Trail Making Test. […] In predicting dementia patient mortality at the 5-year survival threshold, our dementia type-specific models all achieved an AUC-ROC of over 0.79 in the internal test set and similar performance in the external test set.
  • #34 Diagnostic accuracy of research criteria for prodromal frontotemporal dementia | Alzheimer’s Research & Therapy | Full Text
    https://alzres.biomedcentral.com/articles/10.1186/s13195-024-01383-1
    The proposed MCBMI criteria showed very good classification accuracy for identifying the prodromal stage of FTD. […] The MCBMI criteria have shown good diagnostic accuracy in classifying MCBMI versus a group of non-carrier family members, with better specificity and negative predictive values than sensitivity. […] The addition of plasma NfL or anterior cingulate cortex atrophy to the MCBMI criteria similarly increased diagnostic accuracy. […] The inclusion of both plasma NfL and anterior cingulate cortex atrophy to the MCBMI criteria showed the highest diagnostic accuracy, with an AUC of 0.97 (0.931.00), with a sensitivity of 91.7% and a specificity of 96.4%. […] We also aimed at assessing the add-on value of potential biological or imaging diagnostic markers. […] We observed similar results between different genetic groups (C9orf72, GRN, MAPT), thus possibly suggesting that these criteria could be accurate also in the sporadic presentations of disease.
  • #35 Diagnostic accuracy of research criteria for prodromal frontotemporal dementia | Alzheimer’s Research & Therapy | Full Text
    https://alzres.biomedcentral.com/articles/10.1186/s13195-024-01383-1
    The proposed MCBMI criteria showed very good classification accuracy for identifying the prodromal stage of FTD. […] The MCBMI criteria have shown good diagnostic accuracy in classifying MCBMI versus a group of non-carrier family members, with better specificity and negative predictive values than sensitivity. […] The addition of plasma NfL or anterior cingulate cortex atrophy to the MCBMI criteria similarly increased diagnostic accuracy. […] The inclusion of both plasma NfL and anterior cingulate cortex atrophy to the MCBMI criteria showed the highest diagnostic accuracy, with an AUC of 0.97 (0.931.00), with a sensitivity of 91.7% and a specificity of 96.4%. […] We also aimed at assessing the add-on value of potential biological or imaging diagnostic markers. […] We observed similar results between different genetic groups (C9orf72, GRN, MAPT), thus possibly suggesting that these criteria could be accurate also in the sporadic presentations of disease.
  • #36 Diagnostic accuracy of research criteria for prodromal frontotemporal dementia | Alzheimer’s Research & Therapy | Full Text
    https://alzres.biomedcentral.com/articles/10.1186/s13195-024-01383-1
    The proposed MCBMI criteria showed very good classification accuracy for identifying the prodromal stage of FTD. […] The MCBMI criteria have shown good diagnostic accuracy in classifying MCBMI versus a group of non-carrier family members, with better specificity and negative predictive values than sensitivity. […] The addition of plasma NfL or anterior cingulate cortex atrophy to the MCBMI criteria similarly increased diagnostic accuracy. […] The inclusion of both plasma NfL and anterior cingulate cortex atrophy to the MCBMI criteria showed the highest diagnostic accuracy, with an AUC of 0.97 (0.931.00), with a sensitivity of 91.7% and a specificity of 96.4%. […] We also aimed at assessing the add-on value of potential biological or imaging diagnostic markers. […] We observed similar results between different genetic groups (C9orf72, GRN, MAPT), thus possibly suggesting that these criteria could be accurate also in the sporadic presentations of disease.
  • #37 Diagnostic accuracy of research criteria for prodromal frontotemporal dementia | Alzheimer’s Research & Therapy | Full Text
    https://alzres.biomedcentral.com/articles/10.1186/s13195-024-01383-1
    The proposed MCBMI criteria showed very good classification accuracy for identifying the prodromal stage of FTD. […] The MCBMI criteria have shown good diagnostic accuracy in classifying MCBMI versus a group of non-carrier family members, with better specificity and negative predictive values than sensitivity. […] The addition of plasma NfL or anterior cingulate cortex atrophy to the MCBMI criteria similarly increased diagnostic accuracy. […] The inclusion of both plasma NfL and anterior cingulate cortex atrophy to the MCBMI criteria showed the highest diagnostic accuracy, with an AUC of 0.97 (0.931.00), with a sensitivity of 91.7% and a specificity of 96.4%. […] We also aimed at assessing the add-on value of potential biological or imaging diagnostic markers. […] We observed similar results between different genetic groups (C9orf72, GRN, MAPT), thus possibly suggesting that these criteria could be accurate also in the sporadic presentations of disease.
  • #38 Diagnostic accuracy of research criteria for prodromal frontotemporal dementia | Alzheimer’s Research & Therapy | Full Text
    https://alzres.biomedcentral.com/articles/10.1186/s13195-024-01383-1
    The proposed MCBMI criteria showed very good classification accuracy for identifying the prodromal stage of FTD. […] The MCBMI criteria have shown good diagnostic accuracy in classifying MCBMI versus a group of non-carrier family members, with better specificity and negative predictive values than sensitivity. […] The addition of plasma NfL or anterior cingulate cortex atrophy to the MCBMI criteria similarly increased diagnostic accuracy. […] The inclusion of both plasma NfL and anterior cingulate cortex atrophy to the MCBMI criteria showed the highest diagnostic accuracy, with an AUC of 0.97 (0.931.00), with a sensitivity of 91.7% and a specificity of 96.4%. […] We also aimed at assessing the add-on value of potential biological or imaging diagnostic markers. […] We observed similar results between different genetic groups (C9orf72, GRN, MAPT), thus possibly suggesting that these criteria could be accurate also in the sporadic presentations of disease.
  • #39 Predicting loss of independence and mortality in frontotemporal lobar degeneration syndromes | Journal of Neurology, Neurosurgery & Psychiatry
    https://jnnp.bmj.com/content/92/7/737
    We suggest that a transdiagnostic approach that captures the clinical overlap and mixed phenotype adds clinically relevant information for prognostication to that available from the diagnostic group label. […] Behavioural impairment, represented here by syndrome dimension 1, was associated with a greater risk of care home admission. […] Our results have implications for the clinical treatment of patients with FTLD syndromes. They suggest that the association between diagnosis or proteinopathy and survival is weak, with the caveat that only a subset of our cohort has a neuropathological diagnosis at the time of publication. Instead, survival was more closely associated with phenotypic features across the spectrum of FTLD syndromes. […] Effective treatments for behavioural and motor features could improve functionally independent survival and might reduce absolute mortality.
  • #40 Predicting loss of independence and mortality in frontotemporal lobar degeneration syndromes
    https://pmc.ncbi.nlm.nih.gov/articles/PMC8223632/
    We therefore adopted a transdiagnostic approach, increasingly used in psychiatric and neurological diseases, to identify prognostic clinical features across the FTLD syndrome spectrum. […] Mortality is a definite endpoint in FTD, PSP and CBS. […] Community-based studies suggest that increased dependency, from cognitive or physical impairment, predicts care home admission. […] We suggest that treating behavioural disturbance may delay the need for care home admission, with benefits to individual health and health economics. […] Our results have implications for the clinical treatment of patients with FTLD syndromes. They suggest that the association between diagnosis or proteinopathy and survival is weak, with the caveat that only a subset of our cohort has a neuropathological diagnosis at the time of publication.
  • #41 Predicting loss of independence and mortality in frontotemporal lobar degeneration syndromes | Journal of Neurology, Neurosurgery & Psychiatry
    https://jnnp.bmj.com/content/92/7/737
    We suggest that a transdiagnostic approach that captures the clinical overlap and mixed phenotype adds clinically relevant information for prognostication to that available from the diagnostic group label. […] Behavioural impairment, represented here by syndrome dimension 1, was associated with a greater risk of care home admission. […] Our results have implications for the clinical treatment of patients with FTLD syndromes. They suggest that the association between diagnosis or proteinopathy and survival is weak, with the caveat that only a subset of our cohort has a neuropathological diagnosis at the time of publication. Instead, survival was more closely associated with phenotypic features across the spectrum of FTLD syndromes. […] Effective treatments for behavioural and motor features could improve functionally independent survival and might reduce absolute mortality.
  • #42 Predicting loss of independence and mortality in frontotemporal lobar degeneration syndromes
    https://pmc.ncbi.nlm.nih.gov/articles/PMC8223632/
    To halt or reverse the neurodegeneration caused by FTLD is a long-term goal. However, treating symptoms irrespective of diagnosis and aetiology remains important, for example, by targeting common neurotransmitters deficits. […] Effective treatments for behavioural and motor features could improve functionally independent survival and might reduce absolute mortality.
  • #43 Predicting loss of independence and mortality in frontotemporal lobar degeneration syndromes
    https://pmc.ncbi.nlm.nih.gov/articles/PMC8223632/
    We therefore adopted a transdiagnostic approach, increasingly used in psychiatric and neurological diseases, to identify prognostic clinical features across the FTLD syndrome spectrum. […] Mortality is a definite endpoint in FTD, PSP and CBS. […] Community-based studies suggest that increased dependency, from cognitive or physical impairment, predicts care home admission. […] We suggest that treating behavioural disturbance may delay the need for care home admission, with benefits to individual health and health economics. […] Our results have implications for the clinical treatment of patients with FTLD syndromes. They suggest that the association between diagnosis or proteinopathy and survival is weak, with the caveat that only a subset of our cohort has a neuropathological diagnosis at the time of publication.
  • #44 Predicting loss of independence and mortality in frontotemporal lobar degeneration syndromes | Journal of Neurology, Neurosurgery & Psychiatry
    https://jnnp.bmj.com/content/92/7/737
    We suggest that a transdiagnostic approach that captures the clinical overlap and mixed phenotype adds clinically relevant information for prognostication to that available from the diagnostic group label. […] Behavioural impairment, represented here by syndrome dimension 1, was associated with a greater risk of care home admission. […] Our results have implications for the clinical treatment of patients with FTLD syndromes. They suggest that the association between diagnosis or proteinopathy and survival is weak, with the caveat that only a subset of our cohort has a neuropathological diagnosis at the time of publication. Instead, survival was more closely associated with phenotypic features across the spectrum of FTLD syndromes. […] Effective treatments for behavioural and motor features could improve functionally independent survival and might reduce absolute mortality.
  • #45 Predicting loss of independence and mortality in frontotemporal lobar degeneration syndromes
    https://pmc.ncbi.nlm.nih.gov/articles/PMC8223632/
    To halt or reverse the neurodegeneration caused by FTLD is a long-term goal. However, treating symptoms irrespective of diagnosis and aetiology remains important, for example, by targeting common neurotransmitters deficits. […] Effective treatments for behavioural and motor features could improve functionally independent survival and might reduce absolute mortality.
  • #46 Predicting loss of independence and mortality in frontotemporal lobar degeneration syndromes | Journal of Neurology, Neurosurgery & Psychiatry
    https://jnnp.bmj.com/content/92/7/737
    Objective To test the hypothesis that in syndromes associated with frontotemporal lobar degeneration, behavioural impairment predicts loss of functional independence and motor clinical features predict mortality, irrespective of diagnostic group. […] Behavioural disturbance, including impulsivity and apathy, was associated with reduced functionally independent survival (OR 2.46, p0.001), even if patients with bvFTD were removed from the analysis. Motor impairments were associated with reduced absolute survival, even if patients with PSP and CBS were removed from the analysis. […] Our results can assist individualised prognostication and planning of disease-modifying trials, and they support a transdiagnostic approach to symptomatic treatment trials in patients with clinical syndromes associated with frontotemporal lobar degeneration.
  • #47 Predicting loss of independence and mortality in frontotemporal lobar degeneration syndromes | Journal of Neurology, Neurosurgery & Psychiatry
    https://jnnp.bmj.com/content/92/7/737
    Objective To test the hypothesis that in syndromes associated with frontotemporal lobar degeneration, behavioural impairment predicts loss of functional independence and motor clinical features predict mortality, irrespective of diagnostic group. […] Behavioural disturbance, including impulsivity and apathy, was associated with reduced functionally independent survival (OR 2.46, p0.001), even if patients with bvFTD were removed from the analysis. Motor impairments were associated with reduced absolute survival, even if patients with PSP and CBS were removed from the analysis. […] Our results can assist individualised prognostication and planning of disease-modifying trials, and they support a transdiagnostic approach to symptomatic treatment trials in patients with clinical syndromes associated with frontotemporal lobar degeneration.
  • #48 Predicting loss of independence and mortality in frontotemporal lobar degeneration syndromes
    https://pmc.ncbi.nlm.nih.gov/articles/PMC8223632/
    Behavioural disturbance, including impulsivity and apathy, was associated with reduced functionally independent survival (OR 2.46, p0.001), even if patients with bvFTD were removed from the analysis. […] Motor impairments were associated with reduced absolute survival, even if patients with PSP and CBS were removed from the analysis. […] Our results can assist individualised prognostication and planning of disease-modifying trials, and they support a transdiagnostic approach to symptomatic treatment trials in patients with clinical syndromes associated with frontotemporal lobar degeneration. […] Prognosis in syndromes associated with frontotemporal lobar degeneration (FTLD) is highly variable and difficult to predict. […] Better prognostic models would aid both trial design and clinical management.
  • #49 Machine learning models identify predictive features of patient mortality across dementia types | Communications Medicine
    https://www.nature.com/articles/s43856-024-00437-7
    Dementia care is challenging due to the divergent trajectories in disease progression and outcomes. Predictive models are needed to flag patients at risk of near-term mortality and identify factors contributing to mortality risk across different dementia types. […] Our models achieved an area under the receiver operating characteristic curve (AUC-ROC) of over 0.82 utilizing nine parsimonious features for all 1-, 3-, 5-, and 10-year thresholds. […] Notably, stratified analyses revealed shared and distinct predictors of mortality across eight dementia types. […] This study demonstrates the feasibility of flagging dementia patients at risk of mortality for personalized clinical management. […] The ability of these models to identify dementia patients at a heightened risk of mortality could aid clinical practices, potentially allowing for earlier interventions and tailored treatment strategies to improve patient outcomes.
  • #50 Frontotemporal Dementia: What It Is, Symptoms & Treatment
    https://my.clevelandclinic.org/health/diseases/21075-frontotemporal-dementia
    Frontotemporal dementia is a degenerative brain disease. […] FTD is a permanent, life-long condition. […] The average life expectancy for a person after diagnosis with FTD is 7.5 years. […] FTD gradually affects more and more areas of your brain, disrupting the abilities those areas control. […] Because this condition gradually affects your ability to control your actions or communicate, most people who have it eventually can’t live independently. […] Commonly, people with this condition need 24/7 skilled medical care, such as in a skilled nursing facility or long-term care setting. […] While FTD isn’t fatal on its own, it often causes other issues that are serious or even life-threatening. […] The condition can progress faster or slower. […] Your healthcare provider (or the provider for your loved one) is the best person to tell you more about the progress of the disease and the likely timeline.
  • #51 Frontotemporal Dementia: What It Is, Symptoms & Treatment
    https://my.clevelandclinic.org/health/diseases/21075-frontotemporal-dementia
    Frontotemporal dementia is a degenerative brain disease. […] FTD is a permanent, life-long condition. […] The average life expectancy for a person after diagnosis with FTD is 7.5 years. […] FTD gradually affects more and more areas of your brain, disrupting the abilities those areas control. […] Because this condition gradually affects your ability to control your actions or communicate, most people who have it eventually can’t live independently. […] Commonly, people with this condition need 24/7 skilled medical care, such as in a skilled nursing facility or long-term care setting. […] While FTD isn’t fatal on its own, it often causes other issues that are serious or even life-threatening. […] The condition can progress faster or slower. […] Your healthcare provider (or the provider for your loved one) is the best person to tell you more about the progress of the disease and the likely timeline.
  • #52 Frontotemporal Dementia: What It Is, Symptoms & Treatment
    https://my.clevelandclinic.org/health/diseases/21075-frontotemporal-dementia
    Frontotemporal dementia is a degenerative brain disease. […] FTD is a permanent, life-long condition. […] The average life expectancy for a person after diagnosis with FTD is 7.5 years. […] FTD gradually affects more and more areas of your brain, disrupting the abilities those areas control. […] Because this condition gradually affects your ability to control your actions or communicate, most people who have it eventually can’t live independently. […] Commonly, people with this condition need 24/7 skilled medical care, such as in a skilled nursing facility or long-term care setting. […] While FTD isn’t fatal on its own, it often causes other issues that are serious or even life-threatening. […] The condition can progress faster or slower. […] Your healthcare provider (or the provider for your loved one) is the best person to tell you more about the progress of the disease and the likely timeline.
  • #53 Characteristics and progression of patients with frontotemporal dementia in a regional memory clinic network | Alzheimer’s Research & Therapy | Full Text
    https://alzres.biomedcentral.com/articles/10.1186/s13195-020-00753-9
    (3) FTD syndromes differed from AD with regard to cognition and autonomy at baseline, cognitive decline, and disease duration; and (4) therapeutic strategies radically differed from the ones in AD. […] Overall, our study showed that FTD syndromes have specific clinical features, different progression patterns, and therapeutic strategies.
  • #54 Characteristics and progression of patients with frontotemporal dementia in a regional memory clinic network | Alzheimer’s Research & Therapy | Full Text
    https://alzres.biomedcentral.com/articles/10.1186/s13195-020-00753-9
    (3) FTD syndromes differed from AD with regard to cognition and autonomy at baseline, cognitive decline, and disease duration; and (4) therapeutic strategies radically differed from the ones in AD. […] Overall, our study showed that FTD syndromes have specific clinical features, different progression patterns, and therapeutic strategies.
  • #55 Characteristics and progression of patients with frontotemporal dementia in a regional memory clinic network | Alzheimer’s Research & Therapy | Full Text
    https://alzres.biomedcentral.com/articles/10.1186/s13195-020-00753-9
    (3) FTD syndromes differed from AD with regard to cognition and autonomy at baseline, cognitive decline, and disease duration; and (4) therapeutic strategies radically differed from the ones in AD. […] Overall, our study showed that FTD syndromes have specific clinical features, different progression patterns, and therapeutic strategies.
  • #56 Machine learning models identify predictive features of patient mortality across dementia types | Communications Medicine
    https://www.nature.com/articles/s43856-024-00437-7
    Our models provide a robust method of flagging dementia patients at risk of near-term death, achieving an area under the receiver operating characteristic curve (AUC-ROC) of over 0.82 for all of 1-, 3-, 5-, and 10-year thresholds while utilizing a set of only nine features, most of which consist of dementia-related predictors as opposed to more general age-related risk factors. […] Overall, our models can be used both with a limited set of clinical features and in the presence of heterogeneous dementia patient populations, which can contribute to the precision care of dementia. […] The overall median survival time for Alzheimers disease was not reached, with 5- and 7-year survival rates of 76.05% and 66.63%, respectively. […] The overall median survival time in Lewy Body disease was 98.3 months (95% CI 84.2119.5), with 5- and 7-year survival rates of 60.0% and 52.0%, respectively.