What Is the Optimal Blood Pressure on Veno-Arterial Extracorporeal Membrane Oxygenation? Impact of Mean Arterial Pressure on Survival

ASAIO Journal : a Peer-reviewed Journal of the American Society for Artificial Internal Organs
Daizo TanakaHitoshi Hirose

Abstract

Blood pressure management is crucial for patients on veno-arterial extracorporeal membrane oxygenation (VA ECMO). Lower pressure can lead to end-organ malperfusion, whereas higher pressure may compete with ECMO flow and cardiac output. The impact of mean arterial pressure (MAP) on outcomes of patients on VA ECMO was evaluated. Patients who were supported on VA ECMO from September 2010 to March 2016 were retrospectively analyzed for average MAP throughout their course on ECMO, excluding the first and last day. Survival and complications observed during ECMO were investigated by classifying patients into groups based on their average MAP. A total of 116 patients were identified. Average MAP was significantly higher in patients who survived to discharge (82 ± 5.6 vs. 78 ± 5.5 mm Hg, p = 0.0003). There was a positive association between MAP and survival. Survival was best with MAP higher than 90 mm Hg (71%) and worst with MAP less than 70 mm Hg, where no patient survived. MAP was an independent predictor of survival to discharge by multivariate analysis (odds ratio 1.17, p = 0.013). Vasopressors were used more frequently in patients with lower pressure (coefficient -3.14, p = 0.005) without affecting survival (odds ratio 0.95, p = ...Continue Reading

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Citations

Oct 11, 2019·Critical Care Medicine·Sung-Min ChoRomergryko G Geocadin
Apr 21, 2020·The International Journal of Artificial Organs·Suguru OhiraHitoshi Hirose
Apr 15, 2021·Seminars in Neurology·Giovanni ChiariniRoberto Lorusso
Jan 11, 2022·Journal of Cardiovascular Pharmacology and Therapeutics·Heather TorbicAdriano R Tonelli

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