Abstract

There are several surgical approaches for explantation of an LVAD after recovery of cardiac function. Thus, remaining ventricular assist device components may bear significant risks of infection or thrombosis. We hereby report our technique and two-center experience with explantation of LVADs using a new double patch technique. From March 2019-April 2021, 5 patients underwent LVAD explantation after myocardial recovery (HVAD, n = 2; HeartMate 3, n = 3). Mean patient age was 50.3 years (100% male) and mean time on LVAD was 23.1 ± 20.8 months. Primary heart failure aetiology was dilated cardiomyopathy (n = 4) and myocarditis (n = 1).LVAD explantation was performed using a median sternotomy and cardiopulmonary bypass. The LVAD was stopped, and the outflow graft clamped. The outflow graft was ligated and sutured close to the aortic anastomosis. The driveline was clipped and removed. Under induced fibrillation, the attachment of the LVAD was released from the apical cuff and the LVAD was removed. A round pericardial patch was fixed from the inner of the ventricle. This already seals the apex of the heart. An additional Goretex patch is continuously sutured epicardially over the suture ring. The 5 cases showed technically uncomplicated explantation of the LVADs. During the follow-up of mean 16.4 ± 16.9 months, survival of 100% was observed. There were no bleeding complications or thromboembolic events during follow-up. LVAD explantation with the double patch technique is feasible and safe. This technique allows discontinuation of anticoagulation. There was a 30-day survival of 100%. Further studies are needed to provide better evidence for LVAD explantation and long-term follow-up.

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