Abstract
The transatrial repair of the ventricular septal defect (VSD) requires an adequate exposure of its rim. We retrospectively evaluated the effect of using the tricuspid valve incision (TVI) technique, with detachment or radial incision, on the postoperative outcome of children undergoing surgical VSD repair. From January 2008 to September 2017, we retrospectively enrolled 141 patients, divided into two groups: 97 patients (68.8%) underwent TVI and 44 patients (31.2%) did not undergo TVI. All patients received an echocardiogram upon discharge from the hospital and after 1 month, 3 months, 6 months, and 1 year from the treatment. No perioperative or late deaths occurred. TVI was associated with a slightly longer cardiopulmonary bypass and cross-clamp time, but there were no differences in the surgical outcome between the two groups. Moreover, no differences occurred concerning residual VSD, atrioventricular block, or tricuspid regurgitation at discharge. Echocardiograms at follow-up were available for 134 patients (95%) with a median of 5.3 years (range, 0.5 to 9.3 years), and the degree of tricuspid regurgitation did not differ between groups. No patient required reoperation for tricuspid regurgitation or residual interventricular shunt. Finally, no difference was found when the two TVI subgroups were compared. TVI should be used whenever intraoperative exposure of VSD is compromised to avoid a residual shunt and atrioventricular block. Here we show that this procedure does not significantly compromise tricuspid function, although a large, multicenter, randomized controlled trial is advised to validate this hypothesis.
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