Levosimendan May Improve Weaning Outcomes in Venoarterial ECMO Patients

被引:61
作者
Affronti, Alessandro [1 ]
di Bella, Isidoro [1 ]
Carino, Davide [1 ]
Ragni, Temistocle [1 ]
机构
[1] Osped Santa Maria Misericordia, Dept Cardiac Surg, Perugia, Italy
关键词
heart failure; levosimendan; ECMO; CARDIOPULMONARY BYPASS; HEART-FAILURE; MORTALITY; LIFE;
D O I
10.1097/MAT.0b013e3182a4b32e
中图分类号
R318 [生物医学工程];
学科分类号
0831 ;
摘要
Venoarterial extracorporeal membrane oxygenation (VA-ECMO) provides temporary mechanical circulatory support in patients with refractory cardiogenic shock, allowing time for cardiac recovery. Levosimendan is a calcium sensitizer with inotropic and vasodilatory effects used in the treatment of severe heart failure. It does not increase myocardial oxygen consumption. Its maximum hemodynamic response is seen 24-48 h after stopping infusion, but its effects can persist for 7-9 d owing to active metabolites. We sought to investigate whether the use of levosimendan improves weaning outcomes in patients on VA-ECMO. Six consecutive patients with cardiogenic shock were placed on femorofemoral VA-ECMO support and received levosimendan 24 h before the planned weaning (group A). As control group (group B), we retrospectively reviewed the VA-ECMO implanted at our institution before the introduction of the levosimendan protocol. These patients received only traditional inotropes. The weaning rate was 83.33% in group A and 27.3% in group B. The survival rate was 66.66% and 36.4%, respectively. In group A, three of six patients (50%) required inotropic/vasopressor support after ECMO cessation, while in group B 11 of 11 patients (100%) required support. In our case series, pretreatment with levosimendan seems to facilitate weaning from VA-ECMO, reducing the need for high-dose inotropes.
引用
收藏
页码:554 / 557
页数:4
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