The I/D polymorphism of ACE gene are associated with the occurrence of CHF in South Han Chinese population, and the genotype ACE-DD might be one of the genetic risk factors of CHF.

• ACE基因I/D多态性与中国南方汉族人群慢性心力衰竭的发生有关，ACE基因DD型可能是该地区慢性心力衰竭发病的遗传危险因素；