儿童体位性心动过速综合征(COTS)是一类常见疾病,进入21世纪以来才受到广泛关注,至今对COTS的病因和发病机制还有很多不明之处。而不同的病因和发病机制需采取不同的防治措施才能取得预期的效果。在此,将儿童COTS的病因和发病机制研究概况作一介绍,为临床医生探讨个体化防治措施提供参考。 Children with orthostatic tachycardia syndrome (COTS) is a common disease, which has received much attention since it entered the 21st century. So far, there are still many ambiguities about the etiology and pathogenesis of COTS. Different etiology and pathogenesis need to take different prevention and treatment measures to achieve the desired results. Here, the etiology and pathogenesis of COTS in children to make an overview of the study for clinicians to explore individual prevention and control measures to provide a reference.