Development of a Mock Extracorporeal Membrane Oxygenation Circuit to Assess Recirculation

ASAIO Journal : a Peer-reviewed Journal of the American Society for Artificial Internal Organs
Ishanth Devinda JayewardeneKumud Dhital

Abstract

A limitation of veno-venous extracorporeal membrane oxygenation (VV-ECMO) is the recirculating of newly oxygenated blood back to the VV-ECMO circuit. We compared cannulation strategies for combating recirculation utilizing a mock circulation loop (MCL) with ultrasonic flow probes and pressure transducers ensuring that the MCL was run at physiological hemodynamic parameters. Mean recirculation percentages were lower (ANOVA, F = 14.25; p = 0.0001) with the Wang-Zwische dual lumen cannula (4.00 ± 1.77, n = 7) than both the femoro-jugular (15.23 ± 7.00, n = 8) and the femoro-femoral cannulation configurations (13.49 ± 1.44, n = 8).

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Citations

Nov 5, 2016·Journal of Critical Care·Ashleigh XiePaul Forrest
Dec 15, 2020·ASAIO Journal : a Peer-reviewed Journal of the American Society for Artificial Internal Organs·Steven A Conrad, Dongfang Wang

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