Results Of the 20 patients,supracardial type in 10 (all drained to vertical vein ),cardiac in 7 (drained to coronary sinus in 5,directly to right atrium in 2),infracardiac in 2,mixed in 1.

• 结果本组病儿共20例,其中心上型10例;心内型7例,其中引流入冠状静脉窦5例、引流入右心房2例;心下型2例;混合型1例。