Abstract

<h3>Purpose</h3> Functional mitral valve regurgitation (MR) is common in patients with end-stage heart failure awaiting left ventricular assist device (LVAD) implantation. The resolution of functional MR in LVAD patients has been detected for different LVAD types and across all grades of MR severity. However, it should be proven if the health-related quality of life (HRQoL) after LVAD implantation is comparable in patients with different preoperative MR grades. <h3>Methods</h3> We performed a single-center HRQoL analysis including 34 patients with HeartMate 3 (HM3) implantation using the SF12 Health Survey and the Hospital Anxiety and Depression Score (HADS) at least 1 year after LVAD implantation. The study groups were classified according to echocardiographically defined grade of MR. The group without severe MR (none, mild or moderate MR) comprised 24 patients; the group with severe MR comprised 10 patients. Clinical characteristics including the six-minute walk test (6MWT) were documented. <h3>Results</h3> Age, gender, history of prior heart valve surgery as well as the rate of heart transplantation, ECMO and RVAD implantation, right heart failure, ventricular arrhythmias, stroke, suction events, LVAD thrombosis, and bleeding events were comparable between LVAD patients with severe and not severe MR (p < 0.05). The 6MWT was comparable in the postoperative period (p = 0.13) and one year after LVAD implantation (p = 0.57). No significant differences were apparent in the SF-12-determined physical health (severe MR: 36.6 ± 8.4; not severe MR: 40.1 ± 9.3; p = 0.32) and mental health (severe MR: 49.5 ± 9.7; not severe MR: 54.3 ± 10.5; p = 0.22) as well as in the HADS-determined anxiety (severe MR: 5.6 ± 3.6; not severe MR: 4.9 ± 3.3; p = 0.58) and depression grade (severe MR: 6.3 ± 3.7; not severe MR: 4.6 ± 4.1; p = 0.28). <h3>Conclusion</h3> Physical and mental health as well as anxiety and the depression grade that were measured with standardized questionnaires are comparable in LVAD patients with preoperative severe and not severe MR. The results of this HRQoL pilot study support the recommendation of the International Society for Heart and Lung Transplantation for a HM3 implantation without concomitant MV repair and replacement.

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