期刊
PEDIATRIC CARDIOLOGY
卷 37, 期 8, 页码 1539-1547出版社
SPRINGER
DOI: 10.1007/s00246-016-1468-6
关键词
Cardio-facio-cutaneous syndrome; Congenital heart disease; Costello syndrome; Noonan syndrome; Noonan syndrome with multiple lentigines; RAS-MAPK pathway
资金
- National Research Foundation of Korea
- Ministry of Education, Science, and Technology [NRF-2016M3A9B4915706]
- Ministry of Trade, Industry and Energy [10053626]
RASopathies are a group of syndromes caused by germline mutations of the RAS/MAPK pathway. They include Noonan syndrome, cardio-facio-cutaneous syndrome, Costello syndrome, and Noonan syndrome with multiple lentigines, which share many characteristic features including cardiac abnormalities. Here, we retrospectively reviewed the clinical manifestations and evaluated the genotype-phenotype associations with special focus on cardiac lesions of the patients with RASopathies. Cardiac symptoms were the most common initial presentation (27 %), except for admission to neonatal intensive care. Although there was a significant gap between the first visit to the hospital and the diagnosis of the genetic syndrome (19.9 +/- 39.1 months), the age at the clinical diagnosis of the genetic syndrome was significantly lower in patients with CHD than in patients without CHD (47.26 +/- 67.42 vs. 86.17 +/- 85.66 months, p = 0.005). A wide spectrum of cardiac lesions was detected in 76.1 % (118/155) of included patients. The most common lesion was pulmonary stenosis, followed by atrial septal defect and hypertrophic cardiomyopathy (HCMP). About half of the pulmonary stenosis and HCMP patients progressed during the median follow-up period of 109.9 (range 9.7-315.4) months. Early rapid aggravation of cardiac lesions was linked to poor prognosis. MEK1, KRAS, and SOS1 mutations tend to be highly associated with pulmonary stenosis. Cardiologists may play important roles in early detection and diagnosis of RASopathies as well as associated CHDs. Due to the variety of clinical presentations and their progression of severity, proper management with regular long-term follow-up of these patients is essential.
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