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二尖瓣脱垂(MVP)是儿科常见病。5%(154/3100)的儿科患儿见有MVP的临床征象。往往有家族史和轻微的心电图异常。大多数病儿不显症状,临床经过良好。据估计美国普通人群的MVP发病率大约是4%。有人对非洲儿童进行了大规模的调查,确定其发病率是1.4%。但是,美国“健康”儿童的MVP发病率至今尚不清楚,而且,转到医疗中心的病儿只能代表病情较重的病人,普通人群中MVP的临床表现和并发症至今尚未明确。这次调查的目的是确定正常小儿人群MVP的发病率和短期临床经过。
Mitral valve prolapse (MVP) is a pediatric common disease. 5% (154/3100) of pediatric patients with clinical signs of MVP. Often have a family history and mild ECG abnormalities. Most sick children are not obvious symptoms, the clinical well. It is estimated that the incidence of MVP in the general population in the United States is about 4%. A large-scale survey of African children was conducted and the incidence was found to be 1.4%. However, the incidence of MVP in “healthy” children in the United States is still unknown. Moreover, the sick children who go to a medical center can only represent patients who are in a more serious condition. The clinical manifestations and complications of MVP in the general population are not yet clear. The purpose of this survey was to determine the incidence and short-term clinical course of MVP in normal pediatric populations.