3.4.7 Postoperative ≥small residual VSD
The meta-analysis for postoperative ≥small residual VSD included 113 patients undergoing TVD and 284 patients undergoing non-TVD procedures from 3 studies, no significant difference in postoperative ≥small residual VSD was identified(OR=0.74, 95% CI=0.42-1.29, p=0.29) (Fig.3f ).