Zespół noonana – Zapobieganie i profilaktyka

Zespół noonana
Zapobieganie i profilaktyka

Zespół Noonana jest dziedzicznym zaburzeniem genetycznym o autosomalnym dominującym typie dziedziczenia, charakteryzującym się wieloma wrodzonymi nieprawidłowościami, w tym wadami serca i opóźnieniem rozwoju. Ryzyko przekazania mutacji potomkom wynosi 50%, natomiast u rodziców bez wyraźnych objawów ryzyko nawrotu wynosi około 5%, co może być związane z mozaicyzmem gonadowym. Około 33% przypadków wynika z mutacji de novo. Diagnostyka genetyczna, w tym badania prenatalne i preimplantacyjne (PGD), umożliwia wczesne wykrycie mutacji i planowanie ciąży. Wskazaniem do badań prenatalnych może być obecność torbielowatego hygroma w USG, nawet przy prawidłowym kariotypie amniocytów. Wczesna identyfikacja zespołu Noonana pozwala na wdrożenie odpowiedniej opieki medycznej, w tym monitorowania i leczenia powikłań kardiologicznych, co jest kluczowe dla poprawy rokowania pacjentów.

Profilaktyka zespołu Noonana

Zespół Noonana jest powszechnym zaburzeniem genetycznym, które powoduje liczne wrodzone nieprawidłowości i potencjalne problemy zdrowotne. Ze względu na genetyczne podłoże tego schorzenia, nie istnieją skuteczne metody całkowitego zapobiegania jego wystąpieniu, jednak istnieje kilka strategii zapobiegawczych, które mogą zostać zastosowane w określonych sytuacjach.¹²³

Konsultacje genetyczne

Dla osób z rodzinną historią zespołu Noonana, kluczowym elementem profilaktyki jest konsultacja z lekarzem lub genetykiem klinicznym przed planowaną ciążą. Poradnictwo genetyczne umożliwia ocenę ryzyka przekazania choroby potomstwu oraz zapoznanie się z dostępnymi opcjami diagnostycznymi.⁴⁵⁶

Należy zwrócić uwagę, że:

Osoby dotknięte zespołem Noonana mają 50% szans na przekazanie zaburzenia przy każdej ciąży⁷⁸
Ryzyko nawrotu dla rodziców, którzy nie wydają się być dotknięci chorobą lub mają tylko niektóre cechy twarzowe zespołu Noonana, wynosi 5% (możliwy mozaicyzm gonadowy)⁹
Około jednej trzeciej przypadków zespołu Noonana wynika z losowych mutacji genetycznych, które nie zostały odziedziczone po rodzicach¹⁰

Testy genetyczne

Badania genetyczne mogą wykryć mutacje związane z zespołem Noonana, co pozwala na wczesną identyfikację zaburzenia. Dostępne są różne formy badań genetycznych:¹¹¹²

Diagnostyka prenatalna – może być oferowana w przyszłych ciążach, jeśli u jednego z członków rodziny zidentyfikowano mutację przyczynową¹³
Badania prenatalne dla zespołu Noonana można rozważyć nawet przy braku historii rodzinnej, gdy w badaniu ultrasonograficznym widoczny jest torbielowaty hygroma, a kariotypowanie amniocytów jest prawidłowe¹⁴
Diagnostyka preimplantacyjna (PGD) – procedura pozwalająca na zapobieganie dziedziczeniu chorób autosomalnych dominujących, takich jak zespół Noonana¹⁵

Wczesne wykrywanie i interwencja

Wczesne wykrycie zespołu Noonana może znacząco wpłynąć na skuteczność leczenia i zmniejszyć ryzyko powikłań, szczególnie w odniesieniu do chorób serca. Właściwa i ciągła opieka medyczna może złagodzić niektóre komplikacje związane z tym zespołem.¹⁶¹⁷

Optymalna opieka nad pacjentami z zespołem Noonana jest osiągana poprzez przestrzeganie wytycznych dostosowanych do wieku, które kładą nacisk na badania przesiewowe i testy w kierunku typowych problemów zdrowotnych. Pomocne może być skierowanie do genetyka klinicznego w celu uzyskania pomocy w diagnostyce i zarządzaniu zespołem Noonana.¹⁸

Przyszłościowe metody zapobiegania

Trwają badania nad nowymi technologiami, które mogą zrewolucjonizować zapobieganie i leczenie zespołu Noonana:¹⁹

Technologia CRISPR-Cas9 – daje możliwość zapobiegania przekazywaniu dziedzicznych chorób genetycznych przyszłym pokoleniom oraz potencjalnie leczenia niektórych chorób genetycznych²⁰
Edycja genów CRISPR-Cas9 pozwoliłaby lekarzom na genetyczne usunięcie mutacji odpowiedzialnej za zespół Noonana we wszystkich zarodkach przed implantacją, znacznie zwiększając szanse na pomyślną ciążę bez zespołu Noonana²¹

Innowacyjne terapie dla powikłań

Prowadzone są również badania nad innowacyjnymi terapiami celowanymi na powikłania zespołu Noonana:²²

Badania wykazały, że dzieci z zespołem Noonana i ciężką kardiomiopatią przerostową związaną z RASopatią mogą odnieść korzyści z leczenia trametynibem (lekiem stosowanym w onkologii)²³
Retrospektywne badanie 61 dzieci wykazało, że pacjenci otrzymujący trametynib mieli niższe ryzyko zgonu, przeszczepu serca lub innych poważnych operacji serca, a ich stan kardiologiczny uległ poprawie²⁴
Potrzebne są dalsze badania, aby ułatwić i przyspieszyć proces zatwierdzania takich terapii – leczenie dzieci określonym lekiem bez naukowych dowodów na jego skuteczność wymaga zatwierdzenia przez odpowiednie organy regulacyjne i firmę farmaceutyczną²⁵

Wsparcie psychospołeczne

Istotne jest również zapewnienie odpowiedniego wsparcia psychospołecznego dla pacjentów i ich rodzin:²⁶

Zarówno rodzice, jak i później sami pacjenci, mogą odnieść znaczne korzyści z dodatkowej pomocy i wsparcia, aby zapewnić jak najlepszy rozwój w ich stanie²⁷
Zaleca się wczesny kontakt z grupą wsparcia dla osób z zespołem Noonana (np. Noonan Syndrome Support Group – NSSG), która specjalizuje się w oferowaniu pomocy i porad pacjentom dotkniętym tym schorzeniem²⁸

Rokowanie i opieka kompleksowa

Większość osób z zespołem Noonana prowadzi zdrowe, niezależne życie. Zespół opiekujący się pacjentem będzie współpracował z nim i jego rodziną w celu zarządzania objawami i zapobiegania powikłaniom.²⁹

Kluczowe w zapobieganiu powikłaniom zespołu Noonana jest przestrzeganie wytycznych dotyczących badań przesiewowych, które obejmują monitorowanie szeregu potencjalnych problemów zdrowotnych. Dostępne są również specjalistyczne siatki centylowe wzrostu dla pacjentów z zespołem Noonana, które można znaleźć za pośrednictwem europejskiej sieci pod adresem http://www.dyscerne.org.³⁰

Zespół Noonana należy podejrzewać u każdego, kto prezentuje dwie lub więcej z następujących cech: charakterystyczne cechy twarzy, opóźnienie rozwoju i/lub trudności w uczeniu się, wady serca, opóźnienie dojrzewania płciowego i/lub niepłodność, niski wzrost, typową deformację klatki piersiowej, niezstąpione jądra lub krewnego pierwszego stopnia z zespołem Noonana lub dowolną z powyższych cech.³¹

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Materiały źródłowe

#1 Noonan Syndrome | AAFP
https://www.aafp.org/pubs/afp/issues/2014/0101/p37.html
Noonan syndrome is a common genetic disorder that causes multiple congenital abnormalities and a large number of potential health conditions. […] Management of patients with Noonan syndrome is optimized by adherence to age-specific guidelines that emphasize screening and testing for common health issues. […] Referral to a clinical geneticist for assistance in the diagnosis and management of Noonan syndrome may be helpful. […] Clinical growth charts are also available via a European network at http://www.dyscerne.org. […] Noonan syndrome should be considered in anyone who presents with two or more of the following: Characteristic facial features, developmental delay and/or learning disability, heart defect, pubertal delay and/or infertility, short stature, typical chest deformity, undescended testes, first-degree relative who has Noonan syndrome or any of the above features.
#2 Noonan syndrome: Causes, symptoms, and management
https://www.medicalnewstoday.com/articles/179200
As many cases of Noonan syndrome occur randomly, there is currently no known way to prevent the condition developing. […] Those with a family history of the condition should discuss it with their doctor or a genetic counselor before trying to conceive.
#3 Noonan Syndrome | QuirÃ³nsalud
https://www.quironsalud.com/en/diseases-symptoms/noonan-syndrome
Noonan syndrome cannot be prevented.
#4 Noonan syndrome
https://johnsonmemorial.org/jmh-health/disease-conditions/con-20199570
If you have a family history of Noonan syndrome, talk to your doctor or health care team about the benefits of genetic counseling before you have children. Genetic testing can detect Noonan syndrome. […] If Noonan syndrome is detected early, it’s possible that proper and ongoing care may lessen complications such as heart disease.
#5 Noonan syndrome
https://adamcertificationdemo.adam.com/content.aspx?productid=141&isarticlelink=false&pid=1&gid=001656
Couples with a personal or family history of Noonan syndrome may want to consider genetic counseling before having children.
#6 FloridaHealthFinder | Noonan syndrome | Health Encyclopedia | FloridaHealthFinder
https://quality.healthfinder.fl.gov/health-encyclopedia/HIE/1/001656
Couples with a family history of Noonan syndrome may want to consider genetic counseling before having children.
#7 Noonan Syndrome: Symptoms & Causes | NewYork-Presbyterian
https://www.nyp.org/pediatrics/noonan-syndrome
There is no known way to prevent Noonan syndrome entirely. In about a third of people with this disorder, the underlying genetic mutations develop randomly, without being passed down from a parent. […] Genetic testing can reveal whether a person has one of the mutations that cause Noonan syndrome. A person with a known mutation has a 50 percent (one in two) chance of passing on the condition to each of their children. If you have a family history of Noonan syndrome, consider talking to your doctor about the benefits of genetic testing and counseling.
#8 Noonan Syndrome Treatment & Management: Medical Care, Surgical Care, Consultations
https://emedicine.medscape.com/article/947504-treatment
If a causative mutation is found in patients, parental studies should be offered in order to distinguish familial cases from sporadic ones. If an individual carries a germline mutation, prenatal diagnosis can be offered in future pregnancies. […] Prenatal testing for Noonan syndrome can be considered in the absence of a family history when cystic hygroma is seen on ultrasonography and karyotyping of amniocytes is normal. […] Recurrence risk for parents who do not appear to be affected or who have only some facial features of Noonan syndrome is 5%. Gonadal mosaicism may account for this increase over population risk. Affected individuals have a 50% chance of passing on the disorder with each pregnancy.
#9 Noonan Syndrome Treatment & Management: Medical Care, Surgical Care, Consultations
https://emedicine.medscape.com/article/947504-treatment
If a causative mutation is found in patients, parental studies should be offered in order to distinguish familial cases from sporadic ones. If an individual carries a germline mutation, prenatal diagnosis can be offered in future pregnancies. […] Prenatal testing for Noonan syndrome can be considered in the absence of a family history when cystic hygroma is seen on ultrasonography and karyotyping of amniocytes is normal. […] Recurrence risk for parents who do not appear to be affected or who have only some facial features of Noonan syndrome is 5%. Gonadal mosaicism may account for this increase over population risk. Affected individuals have a 50% chance of passing on the disorder with each pregnancy.
#10 Noonan Syndrome: Symptoms & Causes | NewYork-Presbyterian
https://www.nyp.org/pediatrics/noonan-syndrome
There is no known way to prevent Noonan syndrome entirely. In about a third of people with this disorder, the underlying genetic mutations develop randomly, without being passed down from a parent. […] Genetic testing can reveal whether a person has one of the mutations that cause Noonan syndrome. A person with a known mutation has a 50 percent (one in two) chance of passing on the condition to each of their children. If you have a family history of Noonan syndrome, consider talking to your doctor about the benefits of genetic testing and counseling.
#11 Noonan syndrome
https://johnsonmemorial.org/jmh-health/disease-conditions/con-20199570
If you have a family history of Noonan syndrome, talk to your doctor or health care team about the benefits of genetic counseling before you have children. Genetic testing can detect Noonan syndrome. […] If Noonan syndrome is detected early, it’s possible that proper and ongoing care may lessen complications such as heart disease.
#12 Noonan syndrome
https://www.mymlc.com/health-information/diseases-and-conditions/n/noonan-syndrome/
Because some cases of Noonan syndrome occur spontaneously, thereâs no known way to prevent it. However, if you have a family history of this syndrome, talk to your doctor about the benefits of genetic counseling before you have children. Noonan syndrome can be detected with molecular genetic testing. […] If Noonan syndrome is detected early, itâs possible that ongoing and comprehensive care may lessen some of its complications, such as heart disease.
#13 Noonan Syndrome Treatment & Management: Medical Care, Surgical Care, Consultations
https://emedicine.medscape.com/article/947504-treatment
If a causative mutation is found in patients, parental studies should be offered in order to distinguish familial cases from sporadic ones. If an individual carries a germline mutation, prenatal diagnosis can be offered in future pregnancies. […] Prenatal testing for Noonan syndrome can be considered in the absence of a family history when cystic hygroma is seen on ultrasonography and karyotyping of amniocytes is normal. […] Recurrence risk for parents who do not appear to be affected or who have only some facial features of Noonan syndrome is 5%. Gonadal mosaicism may account for this increase over population risk. Affected individuals have a 50% chance of passing on the disorder with each pregnancy.
#14 Noonan Syndrome Treatment & Management: Medical Care, Surgical Care, Consultations
https://emedicine.medscape.com/article/947504-treatment
If a causative mutation is found in patients, parental studies should be offered in order to distinguish familial cases from sporadic ones. If an individual carries a germline mutation, prenatal diagnosis can be offered in future pregnancies. […] Prenatal testing for Noonan syndrome can be considered in the absence of a family history when cystic hygroma is seen on ultrasonography and karyotyping of amniocytes is normal. […] Recurrence risk for parents who do not appear to be affected or who have only some facial features of Noonan syndrome is 5%. Gonadal mosaicism may account for this increase over population risk. Affected individuals have a 50% chance of passing on the disorder with each pregnancy.
#15 CRISPR-Cas9: A CURE FOR NOONAN SYNDROME? | Noonan Syndrome Awareness Association
https://noonansyndrome.com.au/crispr-cas9-a-cure-for-noonan-syndrome/
Thankfully a new revolutionary technology called CRISPR-Cas9 now gives us the ability to prevent passing on hereditary genetic diseases (such as NS) to future generations and cure some genetic diseases altogether. […] Currently the only way to prevent passing on autosomal dominant genetic diseases is a process called Preimplantation Genetic Diagnosis (PGD). […] PGD has already been successfully used to prevent the inheritance of diseases such as Cystic Fibrosis, Turner Syndrome and could be utilised for NS. […] Where CRISPR-Cas9 gene editing is revolutionary is in the way it would allow doctors to genetically edit out the gene mutation responsible for NS in ALL embryos pre-implantation; dramatically boosting the chances of a successful non-NS pregnancy and delivery.
#16 Noonan syndrome
https://johnsonmemorial.org/jmh-health/disease-conditions/con-20199570
If you have a family history of Noonan syndrome, talk to your doctor or health care team about the benefits of genetic counseling before you have children. Genetic testing can detect Noonan syndrome. […] If Noonan syndrome is detected early, it’s possible that proper and ongoing care may lessen complications such as heart disease.
#17 Noonan syndrome
https://www.mymlc.com/health-information/diseases-and-conditions/n/noonan-syndrome/
Because some cases of Noonan syndrome occur spontaneously, thereâs no known way to prevent it. However, if you have a family history of this syndrome, talk to your doctor about the benefits of genetic counseling before you have children. Noonan syndrome can be detected with molecular genetic testing. […] If Noonan syndrome is detected early, itâs possible that ongoing and comprehensive care may lessen some of its complications, such as heart disease.
#18 Noonan Syndrome | AAFP
https://www.aafp.org/pubs/afp/issues/2014/0101/p37.html
Noonan syndrome is a common genetic disorder that causes multiple congenital abnormalities and a large number of potential health conditions. […] Management of patients with Noonan syndrome is optimized by adherence to age-specific guidelines that emphasize screening and testing for common health issues. […] Referral to a clinical geneticist for assistance in the diagnosis and management of Noonan syndrome may be helpful. […] Clinical growth charts are also available via a European network at http://www.dyscerne.org. […] Noonan syndrome should be considered in anyone who presents with two or more of the following: Characteristic facial features, developmental delay and/or learning disability, heart defect, pubertal delay and/or infertility, short stature, typical chest deformity, undescended testes, first-degree relative who has Noonan syndrome or any of the above features.
#19 CRISPR-Cas9: A CURE FOR NOONAN SYNDROME? | Noonan Syndrome Awareness Association
https://noonansyndrome.com.au/crispr-cas9-a-cure-for-noonan-syndrome/
Thankfully a new revolutionary technology called CRISPR-Cas9 now gives us the ability to prevent passing on hereditary genetic diseases (such as NS) to future generations and cure some genetic diseases altogether. […] Currently the only way to prevent passing on autosomal dominant genetic diseases is a process called Preimplantation Genetic Diagnosis (PGD). […] PGD has already been successfully used to prevent the inheritance of diseases such as Cystic Fibrosis, Turner Syndrome and could be utilised for NS. […] Where CRISPR-Cas9 gene editing is revolutionary is in the way it would allow doctors to genetically edit out the gene mutation responsible for NS in ALL embryos pre-implantation; dramatically boosting the chances of a successful non-NS pregnancy and delivery.
#20 CRISPR-Cas9: A CURE FOR NOONAN SYNDROME? | Noonan Syndrome Awareness Association
https://noonansyndrome.com.au/crispr-cas9-a-cure-for-noonan-syndrome/
Thankfully a new revolutionary technology called CRISPR-Cas9 now gives us the ability to prevent passing on hereditary genetic diseases (such as NS) to future generations and cure some genetic diseases altogether. […] Currently the only way to prevent passing on autosomal dominant genetic diseases is a process called Preimplantation Genetic Diagnosis (PGD). […] PGD has already been successfully used to prevent the inheritance of diseases such as Cystic Fibrosis, Turner Syndrome and could be utilised for NS. […] Where CRISPR-Cas9 gene editing is revolutionary is in the way it would allow doctors to genetically edit out the gene mutation responsible for NS in ALL embryos pre-implantation; dramatically boosting the chances of a successful non-NS pregnancy and delivery.
#21 CRISPR-Cas9: A CURE FOR NOONAN SYNDROME? | Noonan Syndrome Awareness Association
https://noonansyndrome.com.au/crispr-cas9-a-cure-for-noonan-syndrome/
Thankfully a new revolutionary technology called CRISPR-Cas9 now gives us the ability to prevent passing on hereditary genetic diseases (such as NS) to future generations and cure some genetic diseases altogether. […] Currently the only way to prevent passing on autosomal dominant genetic diseases is a process called Preimplantation Genetic Diagnosis (PGD). […] PGD has already been successfully used to prevent the inheritance of diseases such as Cystic Fibrosis, Turner Syndrome and could be utilised for NS. […] Where CRISPR-Cas9 gene editing is revolutionary is in the way it would allow doctors to genetically edit out the gene mutation responsible for NS in ALL embryos pre-implantation; dramatically boosting the chances of a successful non-NS pregnancy and delivery.
#22 Children with severe heart disease benefit from cancer medication – Innovative treatment reduces heart failure in children with Noonan syndrome – Radboudumc
https://www.radboudumc.nl/en/news-items/2025/children-with-severe-heart-disease-benefit-from-cancer-medication
Children with Noonan syndrome benefit from an innovative treatment when they suffer from severe RASopathy-associated hypertrophic cardiomyopathy, a disease which may lead to heart failure and death. […] This targeted, innovative therapy can indeed help severely ill children, as shown by a retrospective study of 61 children. The study revealed that children who received trametinib had a lower risk of death, heart transplantation, or other major heart surgeries. Moreover, their cardiac status improved. […] Further research is certainly needed, emphasize both Udink ten Cate and Draaisma. Treating children with a particular drug without scientific evidence of its effectiveness cannot be done lightly. Approval from both the Health and Youth Care Inspectorate (IGJ) and the pharmaceutical company is required for administration of expensive drugs. […] More knowledge will help facilitate and speed up this process in the future, according to Udink ten Cate.
#23 Children with severe heart disease benefit from cancer medication – Innovative treatment reduces heart failure in children with Noonan syndrome – Radboudumc
https://www.radboudumc.nl/en/news-items/2025/children-with-severe-heart-disease-benefit-from-cancer-medication
Children with Noonan syndrome benefit from an innovative treatment when they suffer from severe RASopathy-associated hypertrophic cardiomyopathy, a disease which may lead to heart failure and death. […] This targeted, innovative therapy can indeed help severely ill children, as shown by a retrospective study of 61 children. The study revealed that children who received trametinib had a lower risk of death, heart transplantation, or other major heart surgeries. Moreover, their cardiac status improved. […] Further research is certainly needed, emphasize both Udink ten Cate and Draaisma. Treating children with a particular drug without scientific evidence of its effectiveness cannot be done lightly. Approval from both the Health and Youth Care Inspectorate (IGJ) and the pharmaceutical company is required for administration of expensive drugs. […] More knowledge will help facilitate and speed up this process in the future, according to Udink ten Cate.
#24 Children with severe heart disease benefit from cancer medication – Innovative treatment reduces heart failure in children with Noonan syndrome – Radboudumc
https://www.radboudumc.nl/en/news-items/2025/children-with-severe-heart-disease-benefit-from-cancer-medication
Children with Noonan syndrome benefit from an innovative treatment when they suffer from severe RASopathy-associated hypertrophic cardiomyopathy, a disease which may lead to heart failure and death. […] This targeted, innovative therapy can indeed help severely ill children, as shown by a retrospective study of 61 children. The study revealed that children who received trametinib had a lower risk of death, heart transplantation, or other major heart surgeries. Moreover, their cardiac status improved. […] Further research is certainly needed, emphasize both Udink ten Cate and Draaisma. Treating children with a particular drug without scientific evidence of its effectiveness cannot be done lightly. Approval from both the Health and Youth Care Inspectorate (IGJ) and the pharmaceutical company is required for administration of expensive drugs. […] More knowledge will help facilitate and speed up this process in the future, according to Udink ten Cate.
#25 Children with severe heart disease benefit from cancer medication – Innovative treatment reduces heart failure in children with Noonan syndrome – Radboudumc
https://www.radboudumc.nl/en/news-items/2025/children-with-severe-heart-disease-benefit-from-cancer-medication
Children with Noonan syndrome benefit from an innovative treatment when they suffer from severe RASopathy-associated hypertrophic cardiomyopathy, a disease which may lead to heart failure and death. […] This targeted, innovative therapy can indeed help severely ill children, as shown by a retrospective study of 61 children. The study revealed that children who received trametinib had a lower risk of death, heart transplantation, or other major heart surgeries. Moreover, their cardiac status improved. […] Further research is certainly needed, emphasize both Udink ten Cate and Draaisma. Treating children with a particular drug without scientific evidence of its effectiveness cannot be done lightly. Approval from both the Health and Youth Care Inspectorate (IGJ) and the pharmaceutical company is required for administration of expensive drugs. […] More knowledge will help facilitate and speed up this process in the future, according to Udink ten Cate.
#26 Noonan Syndrome – MD Searchlight
https://mdsearchlight.com/genetic-disorders/noonan-syndrome/
Parents, and later on the patients themselves, would greatly benefit from extra help and support to ensure the best possible development in their condition. Its a good idea to get in touch early with a specific group known as the Noonan Syndrome Support Group (NSSG). This group, which is available to everyone, specializes in offering help and advice to patients affected by this condition.
#27 Noonan Syndrome – MD Searchlight
https://mdsearchlight.com/genetic-disorders/noonan-syndrome/
Parents, and later on the patients themselves, would greatly benefit from extra help and support to ensure the best possible development in their condition. Its a good idea to get in touch early with a specific group known as the Noonan Syndrome Support Group (NSSG). This group, which is available to everyone, specializes in offering help and advice to patients affected by this condition.
#28 Noonan Syndrome – MD Searchlight
https://mdsearchlight.com/genetic-disorders/noonan-syndrome/
Parents, and later on the patients themselves, would greatly benefit from extra help and support to ensure the best possible development in their condition. Its a good idea to get in touch early with a specific group known as the Noonan Syndrome Support Group (NSSG). This group, which is available to everyone, specializes in offering help and advice to patients affected by this condition.
#29 Noonan Syndrome (Leopard Syndrome): Causes & Outlook
https://my.clevelandclinic.org/health/diseases/17926-noonan-syndrome
Nothing you do can reduce your childs risk of developing Noonan syndrome. It happens because of a genetic change. If Noonan syndrome runs in your family, you can talk to your healthcare provider about prenatal genetic testing. […] Most people who have Noonan syndrome lead healthy, independent lives. Your childs care team will work with you to manage your childs symptoms and prevent complications.
#30 Noonan Syndrome | AAFP
https://www.aafp.org/pubs/afp/issues/2014/0101/p37.html
Noonan syndrome is a common genetic disorder that causes multiple congenital abnormalities and a large number of potential health conditions. […] Management of patients with Noonan syndrome is optimized by adherence to age-specific guidelines that emphasize screening and testing for common health issues. […] Referral to a clinical geneticist for assistance in the diagnosis and management of Noonan syndrome may be helpful. […] Clinical growth charts are also available via a European network at http://www.dyscerne.org. […] Noonan syndrome should be considered in anyone who presents with two or more of the following: Characteristic facial features, developmental delay and/or learning disability, heart defect, pubertal delay and/or infertility, short stature, typical chest deformity, undescended testes, first-degree relative who has Noonan syndrome or any of the above features.
#31 Noonan Syndrome | AAFP
https://www.aafp.org/pubs/afp/issues/2014/0101/p37.html
Noonan syndrome is a common genetic disorder that causes multiple congenital abnormalities and a large number of potential health conditions. […] Management of patients with Noonan syndrome is optimized by adherence to age-specific guidelines that emphasize screening and testing for common health issues. […] Referral to a clinical geneticist for assistance in the diagnosis and management of Noonan syndrome may be helpful. […] Clinical growth charts are also available via a European network at http://www.dyscerne.org. […] Noonan syndrome should be considered in anyone who presents with two or more of the following: Characteristic facial features, developmental delay and/or learning disability, heart defect, pubertal delay and/or infertility, short stature, typical chest deformity, undescended testes, first-degree relative who has Noonan syndrome or any of the above features.