Temporary right ventricular support following left ventricle assist device implantation: a comparison of two techniques.

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作者:

Noly PEKirsch MQuessard ALeger PPavie AAmour JLeprince P

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摘要:

Right ventricular failure (RVF) after implantation of left ventricular assist device (LVAD) is a dramatic complication. We compared retrospectively two techniques of temporary right ventricular support after LVAD (HeartMate II, Thoratec Corp, Pleasonton, CA, USA) implantation. From 1 January 2006 to 31 December 2012, 78 patients [mean age 52 ± 1.34 years; 15 women (19%)] received a HeartMate II at our institution. Among these, 18 patients (23%) suffered postimplant RVF treated by peripheral temporary right ventricular support. Aetiology of heart failure was ischaemic in 12 (67%) and dilated cardiomyopathy in 6 (33%) patients. The preimplant RV risk score averaged 5.1 ± 0.59. Ten patients were treated using a femorofemoral venoarterial extracorporeal life support (ECLS) and 8 patients were treated using extracorporeal membrane oxygenation as a right ventricular assist device (RVAD) established between a femoral vein and the pulmonary artery via a Dacron prosthesis (RVAD). Duration of RV support was 7.12 ± 5.4 days and 9.57 ± 3.5 days in venoarterial ECLS and vein and the pulmonary artery RVAD groups, respectively (P = 0.32). Three patients (17%) died while under RV support (venoarterial ECLS, n = 2; and vein and the pulmonary artery RVAD, n = 1, P = 0.58). In the venoarterial ECLS group, 6 (60%) patients suffered major thromboembolic complications including thrombosis of the ECLS arterial line (n = 2), ischaemic stroke (n = 2) and thrombosis of the ascending aorta (n = 2). No major complication was observed in the vein and the pulmonary artery RVAD group (P = 0.01). RV support was successfully weaned in 8 (80%) patients of the venoarterial ECLS group and in 7 (87.5%) of the vein and the pulmonary artery RVAD group (P = 0.58). The duration of postimplant intensive care unit stay was not different (respectively, 27.5 ± 18.7 days and 20.0 ± 12.0 days; P = 0.38) between both groups. Temporary support of the failing RV after LVAD implantation using temporary vein and the pulmonary artery RVAD is a promising therapeutic option. This approach provides adequate LVAD pre- and afterload and is associated with significantly less thromboembolic complications.

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DOI:

10.1093/icvts/ivu072

被引量:

14

年份:

1970

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