Abstract
Right ventricular injury (RVI) in respiratory failure receiving veno-venous extracorporeal membrane oxygenation (VV ECMO) is associated with significant mortality. A scoping review is necessary to map the current literature and guide future research regarding the definition and management of RVI in patients receiving VV ECMO. We searched for relevant publications on RVI in patients receiving VV ECMO in Medline, EMBASE, and Web of Science. Of 1,868 citations screened, 30 studies reported on RVI (inclusive of right ventricular dilation, right ventricular dysfunction, and right ventricular failure) during VV ECMO. Twenty-three studies reported on the definition of RVI including echocardiographic indices of RV function and dimensions, whereas 13 studies reported on the management of RVI, including veno-pulmonary (VP) ECMO, veno-arterial (VA) ECMO, positive inotropic agents, pulmonary vasodilators, ultra-lung-protective ventilation (Ultra-LPV), and optimization of positive end-expiratory pressure (PEEP). The definitions of RVI in patients receiving VV ECMO used in the literature are heterogeneous. Despite the high incidence of RVI during VV ECMO support and its strong association with mortality, studies investigating therapeutic strategies for RVI are also lacking. To fill the existing knowledge gaps, a consensus on the definition of RVI and research investigating RV-targeted therapies during VV ECMO is urgently warranted.
Published Version
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