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Right Ventricular Assist Device with an Oxygenator for the Management of Combined Right Ventricular and Respiratory Failure: A Systematic Review.

BACKGROUND: Severe lung disease frequently presents with both refractory hypoxemia and right ventricular (RV) failure. OxyRVAD is an extra-corporeal membrane oxygenation (ECMO) configuration of RV bypass that also supplements gas exchange. This systematic review summarizes the available literature regarding the use of OxyRVAD in the setting of severe lung disease with associated RV failure.

METHODS: PubMed, Embase, and Google Scholar were queried on September 27th , 2023, for articles describing the use of an OxyRVAD configuration. The main outcome of interest was survival to ICU discharge. Data on the duration of OxyRVAD support and device-related complications were also recorded.

RESULTS: Of 475 identified articles, 33 were retained for analysis. Twenty-one articles were case reports and 12 were case series representing a total of 103 patients. No article provided a comparison group. Most patients (76.4%) were transitioned to OxyRVAD from another type of mechanical support. OxyRVAD was used as a bridge to transplant or curative surgery in 37.4% and as a bridge to recovery or decision in 62.6%. Thirty-one patients (30.1%) were managed with the dedicated single-access dual-lumen ProtekDuo cannula. Median time on OxyRVAD was twelve days (IQR 8-23) and survival to ICU discharge was 63.9%. Device-related complications were infrequently reported.

CONCLUSION: OxyRVAD support is a promising alternative for RV support when gas exchange is compromised with good ICU survival in selected cases. Comparative analyses in patients with RV failure with and without severe lung disease are needed.

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