Sezonowe zaburzenie afektywne – Diagnostyka i diagnoza

Sezonowe zaburzenie afektywne
Diagnostyka i diagnoza

Sezonowe zaburzenia afektywne (SAD) to specyficzny typ dużej depresji lub choroby afektywnej dwubiegunowej z sezonowym wzorcem występowania objawów, zgodnie z DSM-5-TR. Diagnoza wymaga spełnienia kryteriów epizodów depresyjnych pojawiających się sezonowo przez co najmniej 2 kolejne lata, z całkowitą remisją w charakterystycznym okresie roku, najczęściej jesienią/zimą. Zimowa postać SAD charakteryzuje się objawami atypowej depresji, takimi jak hipersomnia, zwiększony apetyt na węglowodany oraz przyrost masy ciała. Diagnostyka opiera się na szczegółowym wywiadzie klinicznym, ocenie stanu psychicznego oraz wykluczeniu innych przyczyn somatycznych i psychicznych, w tym niedoczynności tarczycy czy nadużywania substancji. W diagnostyce pomocne są narzędzia takie jak SPAQ, BDI, HDRS czy PHQ-9, jednak ostateczne rozpoznanie powinno opierać się na kryteriach DSM-5.

Diagnostyka i rozpoznanie sezonowych zaburzeń afektywnych (SAD)

Sezonowe zaburzenia afektywne (SAD) stanowią podtyp zaburzeń depresyjnych, który charakteryzuje się sezonowym wzorcem występowania objawów. Według najnowszej klasyfikacji DSM-5-TR, SAD nie jest uznawane za odrębne zaburzenie, lecz za specyficzny typ dużej depresji lub choroby afektywnej dwubiegunowej z sezonowym wzorcem występowania¹². Prawidłowa diagnostyka tego zaburzenia jest kluczowa dla wdrożenia odpowiedniego leczenia i poprawy jakości życia pacjentów.

Kryteria diagnostyczne według DSM-5

Aby rozpoznać sezonowe zaburzenia afektywne, pacjent musi spełniać następujące kryteria³⁴:

Spełnienie kryteriów dużej depresji lub specyficznych objawów typowych dla zimowego lub letniego wzorca SAD
Występowanie epizodów depresyjnych w określonej porze roku (najczęściej jesienią/zimą) przez co najmniej 2 kolejne lata
Całkowita remisja objawów w charakterystycznym czasie roku (najczęściej wiosną lub latem)
Większa częstość epizodów depresyjnych w określonej porze roku niż w pozostałym czasie roku
Brak powiązania objawów z sezonowymi stresorami psychospołecznymi (np. sezonowe bezrobocie)

⁵⁶

Warto podkreślić, że sezonowe zaburzenia afektywne występują najczęściej w postaci zimowej, choć mogą również pojawiać się w miesiącach wiosenno-letnich. Zimowa postać SAD charakteryzuje się objawami atypowej depresji, takimi jak: hipersomnia, zwiększony apetyt (szczególnie na węglowodany) oraz przyrost masy ciała⁷⁸.

Proces diagnostyczny

Diagnoza SAD jest złożonym procesem, który obejmuje kilka etapów i wymaga dokładnej oceny klinicznej⁹. Rozpoznanie tego zaburzenia może być trudne, ponieważ inne rodzaje depresji lub zaburzeń psychicznych mogą powodować podobne objawy.

Wywiad kliniczny i ocena psychiatryczna

Podstawę diagnostyki stanowi dokładny wywiad kliniczny przeprowadzony przez lekarza lub specjalistę zdrowia psychicznego. Lekarz zbiera informacje dotyczące¹⁰¹¹:

Wzorca występowania objawów depresyjnych w ciągu roku
Historii wystąpienia objawów w poprzednich latach
Okresów remisji symptomów
Nasilenia objawów i ich wpływu na codzienne funkcjonowanie
Stylu życia, nawyków żywieniowych i wzorców snu
Sezonowych zmian w myślach i zachowaniu

Lekarz psychiatra lub inny specjalista zdrowia psychicznego przeprowadza kompleksową ocenę stanu psychicznego, aby sprawdzić czy pacjent spełnia kryteria diagnostyczne SAD^1″>12¹³. Istotne jest zidentyfikowanie regularnego, sezonowego wzorca zaburzeń nastroju trwającego co najmniej 2 lata.

Badania dodatkowe

W ramach procesu diagnostycznego lekarz może zlecić dodatkowe badania w celu wykluczenia innych przyczyn objawów¹⁴¹⁵:

Badanie fizykalne – w celu wykluczenia zaburzeń somatycznych mogących powodować podobne objawy
Badania krwi – np. morfologia (CBC) lub ocena funkcji tarczycy, aby wykluczyć choroby mogące naśladować objawy depresji
Badania dodatkowe mające na celu wykluczenie innych przyczyn podobnych objawów, takich jak niedoczynność tarczycy, hipoglikemia, mononukleoza zakaźna i inne infekcje wirusowe

Kwestionariusze i narzędzia diagnostyczne

W procesie diagnostycznym mogą być wykorzystywane różne narzędzia ułatwiające rozpoznanie i ocenę nasilenia objawów¹⁶¹⁷:

Kwestionariusz Oceny Wzorca Sezonowego (Seasonal Pattern Assessment Questionnaire, SPAQ) – stosowany głównie w badaniach naukowych, o zmiennej czułości (44-94%) i swoistości (73-94%)
Inwentarz Depresji Becka (Beck Depression Inventory) – do oceny nasilenia objawów depresyjnych
Skala Depresji Hamiltona (Hamilton Rating Scale for Depression) – powszechnie stosowane narzędzie oceny depresji
Kwestionariusz Zdrowia Pacjenta (Patient Health Questionnaire, PHQ-9) – rekomendowany przez amerykańską grupę zadaniową ds. medycyny prewencyjnej do badań przesiewowych w kierunku depresji

Chociaż kwestionariusze te są pomocne w procesie diagnostycznym, to zgodnie z zaleceniami diagnoza SAD powinna być stawiana na podstawie kryteriów DSM-5, a nie wyłącznie na podstawie wyników narzędzi przesiewowych¹⁸.

Diagnostyka różnicowa

Przy diagnozie SAD konieczne jest różnicowanie z innymi zaburzeniami, które mogą dawać podobne objawy¹⁹²⁰:

Duża depresja (major depressive disorder) bez wzorca sezonowego
Choroba afektywna dwubiegunowa typu I i II bez wzorca sezonowego
Dystymia
Zaburzenie afektywne cyklotymiczne
Przedmiesiączkowe zaburzenie dysforyczne
Zespół przewlekłego zmęczenia
Niedoczynność tarczycy
Nadużywanie substancji psychoaktywnych (alkohol, narkotyki)

Szczególnie istotne jest różnicowanie między SAD a „zimową chandrą” (winter blues), która może objawiać się łagodniejszymi symptomami i nie spełnia kryteriów zaburzenia depresyjnego²¹.

Wyzwania w diagnostyce SAD

Diagnoza SAD może być utrudniona z kilku powodów²²²³:

Podobieństwo objawów do innych typów depresji
Konieczność obserwacji wzorca występowania objawów przez co najmniej 2 lata
Możliwość nakładania się sezonowego wzorca z innymi czynnikami wyzwalającymi epizody depresyjne
Nie wszystkie osoby z SAD doświadczają objawów co roku, co może opóźnić diagnozę
U niektórych pacjentów (30-50%) objawy mogą nie występować w kolejnych latach w tym samym sezonie

Dodatkowo, u około 40% osób z SAD, epizody depresyjne mogą się utrzymywać po zakończeniu zimy i nie ustępować latem, co prowadzi do zmiany diagnozy na dużą depresję lub zaburzenie afektywne dwubiegunowe²⁴.

Znaczenie wczesnej diagnozy

Wczesne rozpoznanie SAD jest niezwykle ważne z kilku powodów²⁵²⁶:

Umożliwia szybsze wdrożenie odpowiedniego leczenia, co może zmniejszyć nasilenie i czas trwania objawów
Pomaga odróżnić SAD od innych zaburzeń nastroju, co zapewnia zastosowanie najbardziej skutecznego podejścia terapeutycznego
Wczesna interwencja może zapobiec nasileniu objawów i rozwojowi poważniejszych problemów zdrowia psychicznego
Pozwala na wdrożenie działań profilaktycznych przed kolejnym sezonem ryzyka

Nieleczone sezonowe zaburzenia afektywne mogą prowadzić do poważnych konsekwencji, w tym nasilenia depresji, obniżenia jakości życia, problemów z relacjami z innymi, zmniejszenia efektywności zawodowej, a w skrajnych przypadkach – myśli i zachowań samobójczych²⁷.

Rola personelu medycznego w procesie diagnostycznym

W procesie diagnostyki SAD kluczową rolę odgrywają różni specjaliści²⁸²⁹:

Lekarz pierwszego kontaktu – często pierwszy punkt odniesienia dla pacjentów z objawami depresji sezonowej, może przeprowadzić wstępną ocenę i skierować do specjalisty
Psychiatra – specjalista posiadający odpowiednie kwalifikacje do diagnozy i leczenia zaburzeń psychicznych, w tym SAD
Psycholog kliniczny – może przeprowadzić szczegółową ocenę psychologiczną i pomóc w diagnozie
Pracownik socjalny w obszarze zdrowia psychicznego – licencjonowany specjalista mogący diagnozować i leczyć SAD

Współpraca multidyscyplinarna między tymi specjalistami jest często niezbędna do postawienia prawidłowej diagnozy i opracowania kompleksowego planu leczenia³⁰.

Nowoczesne podejścia diagnostyczne w SAD

W diagnostyce SAD pojawiają się nowe, obiecujące metody, które mogą uzupełniać tradycyjne podejście kliniczne³¹:

Obrazowanie mózgu – techniki takie jak SPECT (Tomografia emisyjna pojedynczego fotonu) mogą pomóc w identyfikacji zaburzeń funkcjonowania mózgu związanych z SAD
Badania nad biomarkerami – badania wykazały, że osoby z SAD mają niższy poziom serotoniny w miesiącach zimowych z powodu problemów z transporterem serotoniny SERT
Zindywidualizowane podejście diagnostyczne – odejście od uniwersalnego podejścia na rzecz diagnozy uwzględniającej indywidualne cechy pacjenta

Chociaż te metody nie są jeszcze powszechnie stosowane w praktyce klinicznej, mogą stanowić cenne uzupełnienie tradycyjnego procesu diagnostycznego w przyszłości³².

Co następuje po diagnozie SAD?

Po postawieniu diagnozy SAD, lekarz lub specjalista zdrowia psychicznego zazwyczaj przedstawia pacjentowi plan leczenia, który może obejmować³³³⁴:

Fototerapię (terapię światłem) – podstawową, najlepiej zbadaną i najskuteczniejszą metodę leczenia SAD, polegającą na ekspozycji na jasne światło o natężeniu 10 000 luksów przez 20-60 minut dziennie, najczęściej rano
Farmakoterapię – głównie selektywne inhibitory wychwytu zwrotnego serotoniny (SSRI) takie jak fluoksetyna (Prozac), sertralina (Zoloft), paroksetyna (Paxil), citalopram (Celexa) i escitalopram (Lexapro)
Bupropion XL – lek zatwierdzony przez FDA specjalnie do zapobiegania dużym epizodom depresyjnym u osób z SAD
Psychoterapię – szczególnie terapię poznawczo-behawioralną (CBT), która pomaga nauczyć się lepszych sposobów radzenia sobie z objawami
Zmiany stylu życia – zwiększenie ekspozycji na naturalne światło słoneczne, regularna aktywność fizyczna, zbilansowana dieta

Rokowanie w przypadku SAD jest zazwyczaj dobre, jeśli pacjent otrzymuje odpowiednie leczenie. Osoby, które uzyskają właściwą diagnozę i kombinację metod terapeutycznych, mogą osiągnąć znaczną ulgę w objawach³⁵.

Wnioski

Diagnostyka sezonowych zaburzeń afektywnych (SAD) jest procesem złożonym, wymagającym dokładnej oceny klinicznej i różnicowania z innymi zaburzeniami psychicznymi. Kluczowe znaczenie ma rozpoznanie sezonowego wzorca występowania objawów depresyjnych oraz ich remisji. Chociaż diagnostyka może być wyzwaniem ze względu na podobieństwo do innych form depresji, prawidłowe rozpoznanie SAD jest niezbędne dla wdrożenia skutecznego leczenia³⁶.

Pacjenci, którzy zauważają u siebie sezonowy wzorzec objawów depresyjnych, powinni skonsultować się z lekarzem lub specjalistą zdrowia psychicznego. Nie należy bagatelizować tych objawów ani próbować samodzielnie je diagnozować czy leczyć. Odpowiednia pomoc medyczna może znacząco poprawić jakość życia i zapobiec poważniejszym konsekwencjom zdrowotnym³⁷.

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Materiały źródłowe

#1 Seasonal Affective Disorder – StatPearls – NCBI Bookshelf
https://www.ncbi.nlm.nih.gov/books/NBK568745/
Understanding SAD’s symptomatology and biological basis is critical for developing effective treatments as it causes significant psychiatric morbidity. […] Accurate diagnosis of SAD requires a thorough evaluation of the patient’s clinical history, symptomatology, seasonal patterns, and response to environmental factors. Collaboration between allied mental health professionals and clinicians is essential to ensure comprehensive assessment and appropriate management. […] Diagnosing SAD involves a comprehensive clinical evaluation, including a detailed patient history and mental status examination, adhering to standardized diagnostic criteria. According to the DSM-5-TR, published by the American Psychiatric Association in 2022, SAD is classified as a subtype of major depressive disorder (MDD) and bipolar disorder, characterized by a „with seasonal pattern” specifier.
#2 Psychiatry.org – Seasonal Affective Disorder (SAD)
https://www.psychiatry.org/patients-families/seasonal-affective-disorder
Seasonal affective disorder is a form of depression also known as SAD, seasonal depression or winter depression. In the Diagnostic and Statistical Manual of Mental Disorders (DSM-5-TR), this disorder is identified as a type of depression major depressive disorder with seasonal pattern. […] SAD may begin at any age, but it typically starts when a person is between ages 18 and 30. […] If you feel you have symptoms of SAD, seek the help of a trained medical professional. Just as with other forms of depression, it is important to make sure there is no other medical condition causing your symptoms. SAD can be misdiagnosed in the presence of hypothyroidism, hypoglycemia, infectious mononucleosis, and other viral infections, so proper evaluation is key. A mental health professional can diagnose the condition and discuss therapy options. With the right treatment, SAD can be a manageable condition.
#3 Seasonal Affective Disorder – National Institute of Mental Health (NIMH)
https://www.nimh.nih.gov/health/publications/seasonal-affective-disorder
If you or someone you know is showing symptoms of SAD, talk to a health care provider or a mental health specialist about your concerns. They may have you fill out a questionnaire to determine if your symptoms meet the criteria for SAD. […] To be diagnosed with SAD, a person must meet the following criteria: They have the symptoms of depression or the more specific symptoms of winter- or summer-pattern SAD listed above. Their depressive episodes occur during specific seasons (winter or summer) for at least 2 consecutive years. However, not all people with SAD experience symptoms every year. Their depressive episodes during the specific season are more frequent than depressive episodes experienced at other times of the year.
#4 Seasonal Depression (Seasonal Affective Disorder)
https://my.clevelandclinic.org/health/diseases/9293-seasonal-depression
Seasonal affective disorder (SAD) is a type of depression triggered by a change in seasons, usually when fall starts. This seasonal depression gets worse in the late fall or early winter before ending in the sunnier days of spring. […] Your healthcare provider may refer to seasonal affective disorder as seasonal depression. […] If you have symptoms of seasonal affective disorder (SAD), dont try to diagnose yourself. See your healthcare provider for a thorough evaluation. […] Your provider may refer you to a psychiatrist or psychologist. These mental health professionals will ask you about your symptoms. Theyll consider your pattern of symptoms and decide if you have seasonal depression or another mood disorder. You may need to fill out a questionnaire to determine if you have SAD. […] Your provider may diagnose you with SAD if you have: Symptoms of major depression. Depressive episodes that occur during specific seasons for at least two consecutive years. Depressive episodes happening more frequently during a specific season than during the rest of the year.
#5 Seasonal Affective Disorder: Common Questions and Answers | AAFP
https://www.aafp.org/pubs/afp/issues/2020/1201/p668.html
Seasonal affective disorder is a mood disorder that is a subtype or qualifier of major depressive disorder or bipolar disorder in the Diagnostic and Statistical Manual of Mental Disorders. It is characterized by depressive symptoms that occur at a specific time of year (typically fall or winter) with full remission at other times of year (typically spring or summer). […] With the temporal nature of the mood episodes, diagnosis requires full remission when the specified season ends and two consecutive years of episodes in the same season. […] In addition to meeting Diagnostic and Statistical Manual of Mental Disorders, 5th ed., (DSM-5) criteria for major depressive disorder or bipolar disorder, there must be a temporal relationship between time of year and occurrence of mood episodes. Mood episodes are discrete periods during which the patient demonstrates depressive symptoms. Full remission must occur when the specified season ends. There must be two consecutive years of mood episodes in the same season to diagnose fall/winter or spring/summer SAD. In SAD, seasonal mood episodes significantly outnumber nonseasonal mood episodes during the individual’s life.
#6 Seasonal affective disorder – Wikipedia
https://en.wikipedia.org/wiki/Seasonal_affective_disorder
Seasonal Affective Disorder is not regarded as a separate disorder. It is called a „course specifier” and may be applied as an added description to the pattern of major depressive episodes in patients with major depressive disorder or patients with bipolar disorder. […] The „Seasonal Pattern Specifier” must meet four criteria: depressive episodes at a particular time of the year; remissions or mania/hypomania at a characteristic time of year; these patterns must have lasted two years with no nonseasonal major depressive episodes during that same period; and these seasonal depressive episodes outnumber other depressive episodes throughout the patient’s lifetime. […] According to the American Psychiatric Association DSM-IV criteria, Seasonal Affective Disorder is not regarded as a separate disorder.
#7 Seasonal Affective Disorder (SAD): Background, Pathophysiology, Epidemiology
https://emedicine.medscape.com/article/2500054-overview
Seasonal affective disorder (SAD) is a syndrome typically used to describe a recurrent, seasonal pattern of depressive episodes. SAD was first described in 1984 by Rosenthal as a syndrome characterized by recurrent depressions that occur annually at the same time each year. SAD is not listed in the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition, Text Revision (DSM-5-TR) as a separate condition. Instead it is listed as the specifier „with seasonal pattern” under Major Depressive Disorder, recurrent and the Bipolar Disorders. SAD is a relatively common syndrome with significant effects on mood and psychosocial functioning. It is particularly problematic as it is, by definition, a recurring syndrome with symptoms that may last 40% of the year. SAD is usually more common in the fall/winter (Winter SAD), though it may occur during the spring/summer (Spring SAD). Winter-onset SAD is more common and is often characterized by atypical depressive symptoms including hypersomnia, increased appetite, and craving for carbohydrates. Spring/summer SAD is also seen and is more frequently associated with typical depressive symptoms including insomnia and loss of appetite. Seasonal affective disorder (SAD) is considered to be a relatively common disorder. The prevalence of SAD tends to vary across populations influenced by latitude and assessment methods, with variations observed between countries such as the United States and Australia. The prevalence of SAD appears to be most linked to photoperiod and as such tends to be more prevalent with higher latitudes, though the evidence is not equivocal. In the United States, prevalence estimates range from 0.4% to as high as 10% depending on the methodology being used. There is significant evidence that people who migrate from lower to higher altitudes are more susceptible to SAD. SAD seems to affect women more commonly than men (4:1 ratio) and appears to decrease in prevalence with age. Seasonal affective disorder (SAD) is, by definition, a recurrent disorder. It has been estimated that 67% of those diagnosed with SAD will face recurrence the following winter, and after 5-11 years 22-42% of patients will still be suffering from SAD, 33-44% will develop non-seasonal depressive episodes, and remission is seen in approximately 14-18% of patients.
#8 Winter Depression: How to Make the âSADâ Diagnosis | MDedge
https://community.the-hospitalist.org/clinicalpsychiatrynews/article/271743/depression/winter-depression-how-make-sad-diagnosis
Researchers estimate SAD affects about 5% of adults in the United States. The diagnosis is more common in women than in men, and more prevalent farther from the equator. […] DSM-5 highlights characteristic features of winter depression, including: Loss of energy, Hypersomnia, A craving for carbohydrates, Overeating, Weight gain. […] Clinicians look for at least five symptoms of depression that cause substantial impairment and distress for at least 2 weeks, such as pervasive sadness, difficulty concentrating, low self-esteem, or loss of interest in hobbies. An average episode of winter depression can last 5 months, however, Rohan said. […] Some patients have subsyndromal SAD and may benefit from treatments that have been developed for SAD such as bright light therapy. […] Other treatments for SAD include cognitive behavioral therapy (CBT) and bupropion XL, which is approved as a preventive medication.
#9 Seasonal affective disorder (SAD) – Diagnosis & treatment – Mayo Clinic
https://www.mayoclinic.org/diseases-conditions/seasonal-affective-disorder/diagnosis-treatment/drc-20364722
Even with a thorough evaluation, it can sometimes be difficult for your health care provider or mental health professional to diagnose seasonal affective disorder because other types of depression or other mental health conditions can cause similar symptoms. […] To help diagnose seasonal affective disorder (SAD), a thorough evaluation generally includes: […] Your health care provider may do a physical exam and ask in-depth questions about your health. In some cases, depression may be linked to an underlying physical health problem. […] For example, your health care provider may do a blood test called a complete blood count (CBC) or test your thyroid to make sure it’s functioning properly. […] To check for signs of depression, your health care provider or mental health professional asks about your symptoms, thoughts, feelings and behavior patterns. You may fill out a questionnaire to help answer these questions.
#10 Overview – Seasonal affective disorder (SAD) – NHS
https://www.nhs.uk/mental-health/conditions/seasonal-affective-disorder-sad/overview/
You should consider seeing the GP if you think you might have SAD and you’re struggling to cope. […] The GP can carry out an assessment to check your mental health. They may ask you about your mood, lifestyle, eating habits and sleeping patterns, plus any seasonal changes in your thoughts and behaviour. […] Read more about diagnosing SAD.
#11 Diagnosis – Seasonal affective disorder (SAD) – NHS
https://www.nhs.uk/mental-health/conditions/seasonal-affective-disorder-sad/diagnosis/
Visit a GP if you have symptoms of seasonal affective disorder (SAD). Effective treatments are available if you’re diagnosed with the condition. […] The GP may carry out a psychological assessment to check your mental health. […] SAD can be difficult to diagnose because there are many other types of depression that have similar symptoms. […] A diagnosis of SAD can usually be confirmed if: your depression occurs at a similar time each year for at least 2 years; the periods of depression are followed by periods without depression.
1″>12^{#13 Seasonal Depression (Seasonal Affective Disorder)
https://my.clevelandclinic.org/health/diseases/9293-seasonal-depression}
#14 Seasonal affective disorder (SAD) – Diagnosis & treatment – Mayo Clinic
https://www.mayoclinic.org/diseases-conditions/seasonal-affective-disorder/diagnosis-treatment/drc-20364722
Even with a thorough evaluation, it can sometimes be difficult for your health care provider or mental health professional to diagnose seasonal affective disorder because other types of depression or other mental health conditions can cause similar symptoms. […] To help diagnose seasonal affective disorder (SAD), a thorough evaluation generally includes: […] Your health care provider may do a physical exam and ask in-depth questions about your health. In some cases, depression may be linked to an underlying physical health problem. […] For example, your health care provider may do a blood test called a complete blood count (CBC) or test your thyroid to make sure it’s functioning properly. […] To check for signs of depression, your health care provider or mental health professional asks about your symptoms, thoughts, feelings and behavior patterns. You may fill out a questionnaire to help answer these questions.
#15 Seasonal Depression – Symptoms, Causes, Treatments
https://www.webmd.com/depression/seasonal-affective-disorder
– Give you a physical exam to see if you have health problems that may be causing your symptoms […] – Do blood tests to help rule out physical illnesses […] – Ask you about your thoughts, feelings, and behavior […] – Ask you to fill out a questionnaire about your symptoms […] […] […] Seasonal Depression Treatment […] Treatments differ, depending on how serious your seasonal affective disorder symptoms are. The type of treatment you get also depends on whether you have another type of depression or bipolar disorder. […] Traditional antidepressants are often used to treat SAD. Bupropion XL is FDA-approved specifically to prevent major depressive episodes in people with SAD. But your doctor may suggest other medications. […] You may start taking an antidepressant each year before the time your seasonal depression usually sets in. That’s because these medications take some time to start working.
#16 Seasonal Affective Disorder | AAFP
https://www.aafp.org/pubs/afp/issues/2012/1201/p1037.html
Seasonal affective disorder is a combination of biologic and mood disturbances with a seasonal pattern, typically occurring in the autumn and winter with remission in the spring or summer. […] If SAD is suspected, a full evaluation using current DSM-IVTR depression criteria is needed. A number of instruments can be used to screen for depression and determine its severity. These instruments can be used instead of, or in addition to, a clinical interview. Two of the most commonly used tools are the Beck Depression Inventory and the Hamilton Rating Scale for Depression. […] Diagnostic criteria for SAD are listed in Table 1. Seasonal affective disorder is currently classified under major depressive disorder, recurrent, as well as bipolar I or II disorder. The disorder is assigned a seasonal pattern specifier if there is a regular recurrence of the major depressive episode at a particular time of year.
#17
https://childrens.wvumedicine.org/blog/are-you-s-a-d-what-to-know-about-the-winter-blues-depression-and-seasonal-affecti
The Seasonal Pattern Assessment Questionnaire (SPAQ) may be used for assessing symptoms of SAD, although this tool was only validated for use with adults. […] Treatment specific to SAD works to help regulate circadian rhythms. Bright light therapy therapeutic daily exposure (20-30 minutes/day) to a brighter than average light via a light therapy box during fall and/or winter has shown quick improvements in SAD symptoms.
#18 Seasonal Affective Disorder: Common Questions and Answers | AAFP
https://www.aafp.org/pubs/afp/issues/2020/1201/p668.html
The DSM-5 does not define SAD as a separate diagnosis and instead includes it as a variant of major depressive disorder or bipolar disorder. Typical features of depression include depressed mood, anhedonia, guilt or hopelessness, decreased energy, and impaired mood. Typical features of bipolar disorder include mania, hypomania, depression, irritability, anxiety, mood lability, sleep disturbance, and hyperactivity. SAD is a subtype or qualifier of these mood disorders with a seasonal onset and remission. […] To meet the diagnostic criteria, psychosocial stressors of a specified season, such as layoffs during the winter season, must not contribute to the mood episodes. Additionally, the diagnosis requires a two-year consecutive pattern of mood episodes during a specified season. […] Although the SPAQ was developed to assess for SAD, it is typically used in the research setting and has variable sensitivity (44% to 94%) and specificity (73% to 94%). Better screening tools have not been tested or validated. Therefore, SAD should be diagnosed using DSM-5 criteria and not the SPAQ.
#19 Psychiatry.org – Seasonal Affective Disorder (SAD)
https://www.psychiatry.org/patients-families/seasonal-affective-disorder
Seasonal affective disorder is a form of depression also known as SAD, seasonal depression or winter depression. In the Diagnostic and Statistical Manual of Mental Disorders (DSM-5-TR), this disorder is identified as a type of depression major depressive disorder with seasonal pattern. […] SAD may begin at any age, but it typically starts when a person is between ages 18 and 30. […] If you feel you have symptoms of SAD, seek the help of a trained medical professional. Just as with other forms of depression, it is important to make sure there is no other medical condition causing your symptoms. SAD can be misdiagnosed in the presence of hypothyroidism, hypoglycemia, infectious mononucleosis, and other viral infections, so proper evaluation is key. A mental health professional can diagnose the condition and discuss therapy options. With the right treatment, SAD can be a manageable condition.
#20 Seasonal Affective Disorder | AAFP
https://www.aafp.org/pubs/afp/issues/2012/1201/p1037.html
The differential diagnosis of SAD includes the following: major depressive disorder, bipolar I and II disorders that do not have a seasonal pattern, cyclothymic disorder, dysthymic disorder, premenstrual dysphoric disorder, chronic fatigue syndrome, hypothyroidism, and drug or alcohol abuse. […] Studies have shown that light therapy, pharmacotherapy, and cognitive behavior therapy (CBT) are appropriate options for treating SAD, but no treatment, or combination of treatments, has been found to be superior. For this reason, treatment choice should be guided by patient preference.
#21 Diagnosing Seasonal Affective Disorder – The REACH Institute
https://thereachinstitute.org/diagnosing-seasonal-affective-disorder/
Seasonal Affective Disorder (SAD) is more than just the winter blues, explains Maureen Montgomery, MD, a pediatrician based in Buffalo, NY. Its a subtype of clinical depression that has very specific characteristics. […] SAD is a type of depression, so patients must first meet criteria to be diagnosed with depression, shares Dr. Montgomery. […] When diagnosing SAD, you are looking for a pattern, explains Dr. Montgomery. A SAD diagnosis cannot be made until a clinician can confirm that the patient has experienced seasonal depression for at least two (mostly consecutive) years. […] Overall, especially for clinicians at northern latitudes, adding SAD to your differential diagnosis toolbox can be helpful. Explains Dr. Montgomery, The winter blues happen to many of us. We still do what we need to do, but may pull back a little from nonessential activities. However, when symptoms are clearly impairing function and quality of life, treatment is indicated.
#22 Diagnosis – Seasonal affective disorder (SAD) – NHS
https://www.nhs.uk/mental-health/conditions/seasonal-affective-disorder-sad/diagnosis/
Visit a GP if you have symptoms of seasonal affective disorder (SAD). Effective treatments are available if you’re diagnosed with the condition. […] The GP may carry out a psychological assessment to check your mental health. […] SAD can be difficult to diagnose because there are many other types of depression that have similar symptoms. […] A diagnosis of SAD can usually be confirmed if: your depression occurs at a similar time each year for at least 2 years; the periods of depression are followed by periods without depression.
#23 Seasonal affective disorder (SAD) | NHS inform
https://www.nhsinform.scot/illnesses-and-conditions/mental-health/seasonal-affective-disorder-sad/
SAD is often difficult to diagnose because there are many other types of depression that have similar symptoms. It may take several years before you and your GP realise that your symptoms are forming a regular pattern. […] A diagnosis of SAD will depend on whether: you’ve had symptoms during the same seasons for 2 or more years in a row, your periods of depression are followed by periods without depression, there are any other reasons for your seasonal mood changes.
#24 Seasonal affective disorder: MedlinePlus GeneticsLock
https://medlineplus.gov/genetics/condition/seasonal-affective-disorder/
For those affected, it is estimated that symptoms of seasonal affective disorder are present during 40 percent of the year. In some individuals, seasonal affective disorder does not recur every year. Thirty to 50 percent of affected individuals do not show symptoms of the disorder in consecutive winters. In about 40 percent of individuals with seasonal affective disorder, depressive episodes continue after winter and do not alleviate in the summer months, leading to a change in diagnosis to either major depressive disorder or bipolar disorder. […] Seasonal affective disorder occurs in 0.5 to 3 percent of individuals in the general population; it affects 10 to 20 percent of people with major depressive disorder and about 25 percent of people with bipolar disorder. […] The causes of seasonal affective disorder are complex. A shortage of sunlight contributes to the development of the disorder in the fall and winter months, and too much sunlight is associated with seasonal affective disorder in the spring and summer months. Affected individuals seem to have disrupted daily (circadian) rhythms, such as the sleep-wake cycle, which are normally regulated to match the night-day cycle.
#25
https://neurolaunch.com/seasonal-affective-disorder-tests/
Seasonal Affective Disorder is a type of depression thats related to changes in seasons. Most commonly, SAD begins and ends at about the same time every year, typically starting in the fall and continuing through the winter months. […] Early detection and diagnosis of SAD are crucial for several reasons. First, it allows individuals to seek appropriate treatment sooner, potentially reducing the severity and duration of symptoms. Second, it helps differentiate SAD from other mood disorders, ensuring that the most effective treatment approach is employed. Lastly, early intervention can prevent the condition from worsening and potentially leading to more severe mental health issues. […] Several methods are used to diagnose SAD, ranging from clinical interviews to online screening tools. Each approach has its merits and limitations, and often a combination of methods is used to arrive at an accurate diagnosis.
#26 Seasonal Depression (Seasonal Affective Disorder)
https://my.clevelandclinic.org/health/diseases/9293-seasonal-depression
If you have seasonal affective disorder, the outlook is positive. Treatments are available for SAD. People who get the right diagnosis and combination of treatments can find relief from symptoms. […] Talk to your healthcare provider if you think you have symptoms of seasonal depression or another mood disorder. Your provider will want to rule out another condition or illness that may be causing these symptoms.
#27 Seasonal Affective Disorder (SAD): Causes, Symptoms, Treatment & Tests
https://www.emedicinehealth.com/seasonal_depression_sad/article_em.htm
The antidepressants that are used most frequently are selective serotonin reuptake inhibitors or SSRIs. Examples include fluoxetine (Prozac), sertraline (Zoloft), paroxetine (Paxil), citalopram (Celexa), and escitalopram (Lexapro). […] If left untreated, the seasonal affective disorder can become more severe and have a negative prognosis. Severe depression can cause damage to physical and mental health, relationships with others, job effectiveness, and enjoyment of life. Very severe depression can cause a person to contemplate or commit suicide or other self-harm.
#28 F33.9 diagnosis code
https://www.theraplatform.com/blog/1323/f33-9-diagnosis-code
Mental health therapists should undertake a thorough and holistic evaluation process to assess and diagnose seasonal affective disorder (SAD). […] This evaluation process often begins with gathering detailed information from the client regarding their mood, behavior, and overall functioning throughout different seasons of the year. […] Additionally, therapists may inquire about any seasonal patterns in the onset and exacerbation of depressive symptoms. […] One commonly used tool is the Seasonal Pattern Assessment Questionnaire (SPAQ). […] By analyzing responses to the SPAQ, therapists can gain valuable insights into the presence and severity of seasonal patterns associated with SAD. […] Overall, conducting a comprehensive assessment that includes evaluating for symptoms of SAD and utilizing standardized assessment tools like the SPAQ enables mental health therapists to make accurate diagnoses and provide tailored treatment recommendations that address the specific needs of individuals experiencing seasonal variations in mood and behavior.
#29
#30 Seasonal Affective Disorder – StatPearls – NCBI Bookshelf
https://www.ncbi.nlm.nih.gov/books/NBK568745/
Understanding SAD’s symptomatology and biological basis is critical for developing effective treatments as it causes significant psychiatric morbidity. […] Accurate diagnosis of SAD requires a thorough evaluation of the patient’s clinical history, symptomatology, seasonal patterns, and response to environmental factors. Collaboration between allied mental health professionals and clinicians is essential to ensure comprehensive assessment and appropriate management. […] Diagnosing SAD involves a comprehensive clinical evaluation, including a detailed patient history and mental status examination, adhering to standardized diagnostic criteria. According to the DSM-5-TR, published by the American Psychiatric Association in 2022, SAD is classified as a subtype of major depressive disorder (MDD) and bipolar disorder, characterized by a „with seasonal pattern” specifier.
#31 Seasonal Affective Disorder Treatment | Amen Clinics Amen Clinics
https://www.amenclinics.com/conditions/seasonal-affective-disorder/
Unlike traditional psychiatry, which rarely looks at the brain, Amen Clinics uses brain imaging technology to help identify underlying brain issues that may be associated with seasonal affective disorder. […] At Amen Clinics, we use brain SPECT imaging, a state-of-the-art brain mapping tool that can be very helpful in getting an accurate diagnosis for seasonal affective disorder. SPECT helps detect underlying brain dysfunction and co-occurring disorders as well as their subtype. […] Brain imaging research has found that people with seasonal affective disorder have lower levels of the happy neurotransmitter serotonin in the winter months due to problems with the serotonin transporter SERT. […] Traditional psychiatry typically takes a one-size-fits-all approach to diagnosis and treatment, but giving everybody with SAD the same treatment will never work.
#32 Seasonal Affective Disorder Treatment | Amen Clinics Amen Clinics
https://www.amenclinics.com/conditions/seasonal-affective-disorder/
Unlike traditional psychiatry, which rarely looks at the brain, Amen Clinics uses brain imaging technology to help identify underlying brain issues that may be associated with seasonal affective disorder. […] At Amen Clinics, we use brain SPECT imaging, a state-of-the-art brain mapping tool that can be very helpful in getting an accurate diagnosis for seasonal affective disorder. SPECT helps detect underlying brain dysfunction and co-occurring disorders as well as their subtype. […] Brain imaging research has found that people with seasonal affective disorder have lower levels of the happy neurotransmitter serotonin in the winter months due to problems with the serotonin transporter SERT. […] Traditional psychiatry typically takes a one-size-fits-all approach to diagnosis and treatment, but giving everybody with SAD the same treatment will never work.
#33 Seasonal Affective Disorder or SAD
https://www.massgeneral.org/condition/seasonal-affective-disorder
Seasonal affective disorder (SAD) is a type of depression. It happens during certain seasons of the year, most often fall or winter. […] A diagnosis of SAD may be made after a careful mental health exam and health history. These are done by a psychiatrist or other mental health provider. […] SAD may be diagnosed after a mental health exam and health history. These are done by a psychiatrist or other mental health professional. […] Depression is most often treated with light therapy, psychotherapy, and in some cases antidepressants.
#34 What Is Seasonal Affective Disorder? – Child Mind Institute
https://childmind.org/article/seasonal-affective-disorder/
In many cases, the recommended treatment for seasonal affective disorder is cognitive behavioral therapy (CBT). […] In some cases, SAD is also treated using antidepressant medications, including SSRIs. Light therapy, which involves looking at specialized lamps that mimic sunlight, is also an option that some people with SAD have found to be helpful in reducing symptoms.
#35 Seasonal Depression (Seasonal Affective Disorder)
https://my.clevelandclinic.org/health/diseases/9293-seasonal-depression
If you have seasonal affective disorder, the outlook is positive. Treatments are available for SAD. People who get the right diagnosis and combination of treatments can find relief from symptoms. […] Talk to your healthcare provider if you think you have symptoms of seasonal depression or another mood disorder. Your provider will want to rule out another condition or illness that may be causing these symptoms.
#36 The Symptoms of Seasonal Affective Disorder (SAD) – Psychiatry
https://healthmatters.nyp.org/what-to-know-about-seasonal-affective-disorder/
Light therapy from a box that emits bright light, at the level of natural outdoor light shortly after sunrise is the primary, best-investigated, and most successful intervention. It is a home-based treatment, recommended to be done immediately upon getting out of bed. People who find the light box effective find it effective very quickly and will usually see an improvement within a few weeks. […] Another effective treatment would be a combination of psychotherapy and medication. […] Vitamin D isnt found to be directly linked to seasonal affective disorder. That said, these levels decline in winter both for people who experience symptoms of seasonal affective disorder and those who dont. […] Educate yourselves and take responsibility for discussing seasonal affective disorder with your doctor or a mental health professional. You dont need to suffer just because the days are shorter. Dont hesitate to reach out, and we can help you understand it.
#37 Winter Depression: How to Make the âSADâ Diagnosis | MDedge
https://community.the-hospitalist.org/clinicalpsychiatrynews/article/271743/depression/winter-depression-how-make-sad-diagnosis
Rohan cautions patients against self-diagnosis and treatment. […] Light therapy can have side effects, including headaches, eye strain, and making patients feel wired, and it can be a challenge to determine the right dose. […] To start light therapy, Desans clinic typically recommends patients try 30 minutes of 10,000 lux bright light roughly the brightness of being outside on a sunny day before 8 AM for a 4-week trial. […] It might not always be light therapy or a medication. It might be focusing on some other aspect of what is going on for them in the winter.