Objective to evaluate the efficacy and safety of catheter ablation for atrial fibrillation(AF) in cases with rheumaticvalvularheartdisease.
目的：评价风湿性瓣膜病合并心房颤动（房颤）经导管射频消融的安全性和疗效。
2
Objective to inquire into the clinical characteristics of systemic circulation arterial embolism complicated by rheumaticvalvularheartdisease.
目的探讨风湿性心瓣膜病并发体循环动脉栓塞的临床特征。
3
Objective: to study the distribution of coronary artery lesion and identify predictors of coronary heartdisease (CHD) in patients with rheumaticvalvularheartdisease.