Effects of Qili Qiangxin capsule on lung structural remodeling in heart failure rats after myocardial infarction and its mechanism

Objective To observe the effect of Qili Qiangxin Capsule(QQC)in improving lung structural remodeling on heart failure(HF)rats after myocardial infarction(MI)and to study its possible mechanism.Methods The proximal left anterior descending branch of coronary artery was ligated using a terylene suture to establish