Biventricular catheterization combined with pressure-volume loop monitoring provides insight into the dynamic effects of left ventricular assist devices ramp on right ventricular function.

Biventricular catheterization combined with pressure-volume loop monitoring provides insight into the dynamic effects of left ventricular assist devices ramp on right ventricular function.
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双心室导管插入术与压力-容量环路监测相结合,可以深入了解左心室辅助装置斜坡对右心室功能的动态影响。

DOI:
10.1002/ccd.30993
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发表时间:
2024
期刊:
Catheterization and cardiovascular interventions : official journal of the Society for Cardiac Angiography & Interventions
影响因子:
--
通讯作者:
Rosenbaum,AndrewN
Rosenbaum,AndrewN
中科院分区:
--
文献类型:
--
作者:
Garmany,Armin;Inglis,SaraS;Behfar,Atta;Rosenbaum,AndrewN

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斜坡研究用于连续流左心室辅助装置(CF-LVAD)的速度优化。我们在此报告了在斜坡研究中联合左、右心导管插入术的实用性,以确保全面了解对两个心室的血流动力学影响。压力-容积环(PV环)监测发现,尽管左心室卸载改善,但随着LVAD速度的增加,收缩功能受损,右心室功能轻度受损。这些发现为患者管理提供了信息,并强调了在下一代LVAD的斜升研究期间,PV环路监测作为左右心导管插入术的辅助手段的潜在效用。
Ramp studies are utilized for speed optimization of continuous flow left ventricular assist devices (CF‐LVADs). We here report the utility of combined left and right heart catheterization during a ramp study to ensure a comprehensive understanding of the hemodynamic implications on both ventricles. Pressure‐volume loop (PV loop) monitoring uncovered compromised systolic and mildly compromised right ventricular function with increasing LVAD speeds, despite improvement in left ventricular unloading. These findings informed patient management and highlight the potential utility of PV loop monitoring as an adjunct to left and right heart catheterization during ramp studies of next‐generation LVADs.
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