New Covered Stent Design for Correcting Sinus Venosus Defects and a Novel Deployment Technique: A Case Series.

Transcatheter correction of sinus venosus defects use balloon-expandable covered stents across the cavoatrial junction to redirect the anomalous right upper pulmonary vein to the left atrium. When the superior vena caval anchor zone is very short, the stent slips caudally, causing residual flows from the right upper pulmonary vein through the cranial end of the stent or embolizes to the right atrium. We report use of a new hybrid stent with an uncovered cranial part deployed by a novel 2-wire strategy that enabled a safe procedure in patients with sinus venosus defects and a short superior vena caval anchor zone.