Right ventricular failure after implantation of a continuous-flow left ventricular assist device: early haemodynamic predictors

被引:25
作者
Cordtz, Joakim [1 ]
Nilsson, Jens C. [1 ]
Hansen, Peter B. [1 ]
Sander, Kaare [2 ]
Olesen, Peter S. [2 ]
Boesgaard, Soren [3 ]
Gustafsson, Finn [3 ]
机构
[1] Univ Copenhagen, Rigshosp, Ctr Heart, Dept Cardiothorac Anesthesiol, DK-2100 Copenhagen, Denmark
[2] Univ Copenhagen, Rigshosp, Ctr Heart, Dept Cardiothorac Surg, DK-2100 Copenhagen, Denmark
[3] Univ Copenhagen, Rigshosp, Ctr Heart, Dept Cardiol, DK-2100 Copenhagen, Denmark
关键词
Left ventricular assist device; HeartMate II; Postimplantation haemodynamics; Right ventricular failure; RIGHT HEART-FAILURE; TRANSPLANTATION; SUPPORT;
D O I
10.1093/ejcts/ezt519
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Right ventricular failure (RVF) is a significant complication after implantation of a left ventricular assist device. We aimed to identify haemodynamic changes in the early postoperative phase that predicted subsequent development of RVF in a cohort of HeartMate II (HMII) implanted patients. This was a single-centre observational study of consecutive placement of HMII devices at Rigshospitalet, Copenhagen. Preoperative data (right heart catheterization, biochemistry and clinical status) and postoperative readings from the first 72 h after implantation (haemodynamics, inotropic and vasoactive therapy) were included in the analysis. The data set was examined for significant differences between patients who developed RVF (RVF group, n = 11)-defined as need for inotropic or vasodilator therapy > 14 days, nitric oxide therapy >= 48 h or right ventricular assist device therapy-and those who did not (non-RVF group, n = 22). Preoperative right heart catheterization data were similar in the two groups. Immediately after HMII implantation, the increase in cardiac index (CI) was significantly larger in the non-RVF than in the RVF group (0.96 +/- 0.8 vs 0.2 +/- 0.5 L/min, respectively; P = 0.018), whereas right ventricular stroke work index (RVSWI) decreased significantly more in the RVF group (-4.3 +/- 2.0 vs -0.9 +/- 2.0 g m/m(2); P < 0.001). These differences were present in spite of the RVF group receiving larger doses of catecholaminergic agents (P = 0.034). Over the ensuing 72 h, the CI of the RVF group gradually approached that of the non-RVF group; concurrently, however, the differences in inotropic therapy were further enhanced. Pump settings were similar in the two groups. The haemodynamic alterations characterizing RVF were present already immediately after HMII implantation. RVF development was not related to pump flow and settings.
引用
收藏
页码:847 / 853
页数:7
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