Noonan syndrome and congenital heart conditionsNNoonan syndrome and congenital heart conditionsNoonan Syndrome and Congenital Heart ConditionsEnglishCardiologyChild (0-12 years);Teen (13-18 years)HeartCardiovascular systemConditions and diseasesAdult (19+)NA2009-12-14T05:00:00ZFraser Golding, MD, FRCPC11.000000000000042.0000000000000221.000000000000Flat ContentHealth A-Z<p>About 80% of cases of Noonan syndrome involve a heart defect.</p><p> Noonan syndrome is a genetic disorder typically marked by short stature, a characteristic facial appearance that includes widely spaced eyes, flattened bridge of the nose, and droopy eyelids, and often a heart condition. It can affect mental and physical development. Mild learning disabilities occur in about 35% of cases. </p><h2> Key points </h2> <ul><li> Noonan syndrome is a genetic disorder of an unknown cause marked by certain physical characteristics.</li> <li> Most cases of Noonan syndrome involve a heart defect.</li></ul>
Syndrome de Noonan et les anomalies cardiaques congénitalesSSyndrome de Noonan et les anomalies cardiaques congénitalesNoonan Syndrome and Congenital Heart ConditionsFrenchCardiologyChild (0-12 years);Teen (13-18 years)HeartCardiovascular systemConditions and diseasesAdult (19+)NA2009-12-14T05:00:00ZFraser Golding, MD, FRCPC11.000000000000042.0000000000000221.000000000000Flat ContentHealth A-Z<p>Environ 80 % des cas du syndrome de Noonan amènent une anomalie cardiaque.</p><p> Les enfants atteints du syndrome de Noonan ont souvent une anomalie cardiaque. </p><h2> À retenir </h2> <ul><li> Ce syndrome est une maladie génétique de cause inconnue marquée par certaines caractéristiques physiques.</li> <li> La majorité des cas du syndrome de Noonan impliquent une anomalie cardiaque.</li></ul>

 

 

Noonan syndrome and congenital heart conditions1637.00000000000Noonan syndrome and congenital heart conditionsNoonan Syndrome and Congenital Heart ConditionsNEnglishCardiologyChild (0-12 years);Teen (13-18 years)HeartCardiovascular systemConditions and diseasesAdult (19+)NA2009-12-14T05:00:00ZFraser Golding, MD, FRCPC11.000000000000042.0000000000000221.000000000000Flat ContentHealth A-Z<p>About 80% of cases of Noonan syndrome involve a heart defect.</p><p> Noonan syndrome is a genetic disorder typically marked by short stature, a characteristic facial appearance that includes widely spaced eyes, flattened bridge of the nose, and droopy eyelids, and often a heart condition. It can affect mental and physical development. Mild learning disabilities occur in about 35% of cases. </p><h2> Key points </h2> <ul><li> Noonan syndrome is a genetic disorder of an unknown cause marked by certain physical characteristics.</li> <li> Most cases of Noonan syndrome involve a heart defect.</li></ul> <h2>What causes Noonan syndrome?</h2> <p>The exact cause of the disorder is unknown. It is thought to occur in about 1 in 1,000 people, though there is no single test to diagnose it. Milder cases may go unnoticed, particularly if there is no obvious heart disease. The chance of passing on this disorder to offspring, which is thought to occur only through the mother, is estimated to be about 50%. </p> <h2>What heart conditions may be associated with Noonan syndrome?</h2> <p>About 80% of cases involve a heart defect, usually pulmonary stenosis, hypertrophic cardiomyopathy, atrial septal defect, or ventricular septal defect. </p> <h2>What is the long-term outlook for children with Noonan syndrome?</h2> <p>Many children with Noonan syndrome go on to lead normal lives, depending on the extent and severity of features of the disease in a given individual, like heart conditions, which may require surgery. </p> <p>For more information about Noonan syndrome, please ask to be referred to a genetic counsellor.</p>Noonan syndrome and congenital heart conditionsFalse

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