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肥厚型心肌病是一种相对常见的心脏疾病，在普通人群的发病率为0.2％。其临床特征异质性大，但大部分患者的寿命不受影响。尽管如此，心脏性猝死仍然是一部分患者尤其是年轻患者的首发症状。因而，目前迫切需要寻找合理的危险分层方法，将肥厚型心肌病中心脏性猝死高风险的患者鉴别出来。现重点对肥厚型心肌病的相关危险因素做一总结。“,”Hypertrophic cardiomyopathy ( HCM) is a relatively common heart disease in the general population with an incidence rate of approximately 0.2%.The clinical features of HCM show significant heterogeneity .In some patients , sudden cardiac death is the first manifestation of HCM .Even so , most patients have a normal life span .This article reviews the risk factors associated with HCM .