Novel Rotational Speed Modulation System Used With Venoarterial Extracorporeal Membrane Oxygenation.
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"Femoral venoarterial extracorporeal membrane oxygenation (VA-ECMO) is widely used to maintain blood flow in patients with cardiogenic shock. However, retrograde blood flow increases left ventricular (LV) afterload during femoral VA-ECMO. Additional support by means of an intraaortic balloon pump (IABP) alleviates LV afterload but is associated with significant adverse events. We previously developed a system for rotational speed modulation in synchrony with the native cardiac cycle, for use with implantable continuous-flow LV assist devices. Here, we aimed to evaluate whether our novel rotation speed modulation system can improve coronary artery flow and reduce LV during femoral VA-ECMO."1
1. Novel Rotational Speed Modulation System Used With Venoarterial Extracorporeal Membrane Oxygenation.
Naito N, Nishimura T, Iizuka K, Fujii Y, Takewa Y et al.
Ann Thorac Surg. 2017 Nov;104(5):1488-1495