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目的 对６４ 例三尖瓣下移畸形患儿进行分析，探讨其诊断和治疗问题。方法 观察其临床体征、心电图改变，并采用影像学检查和手术对照进行综合分析。结果 ３９ 例有紫绀，３２ 例心脏听诊多音律，６２ 例Ｘ 线片心脏增大，４４ 例心电图有右束支传导阻滞；超声心动图和右心造影可见下移的三尖瓣位置与功能状态。５２ 例合并房间隔交通。结论 进行性紫绀加重和心脏增大，并室上性心动过速发作是早期手术的指征。
Objective To analyze 64 cases of children with tricuspid regurgitation and discuss their diagnosis and treatment. Methods The clinical signs and ECG changes were observed and analyzed by imaging and surgical control. Results 39 cases had cyanosis, 32 cases had auscultatory polyphonic sound, 62 cases of X-ray had heart enlargement, 44 cases of ECG had right bundle branch block; echocardiography and right heart angiography showed downward tricuspid valve position and function status. 52 cases of combined atrial septal traffic. Conclusions Progressive cyanosis and cardiac enlargement, and episodes of supraventricular tachycardia are indications for early surgery.