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DOI: 10.1055/s-0036-1584681
Childhood Obesity and Extracorporeal Membrane Oxygenation: Special Considerations for Successful Outcomes
Publication History
07 October 2015
19 March 2016
Publication Date:
24 June 2016 (online)

Abstract
The effects of obesity on venoarterial extracorporeal membrane oxygenation (VA-ECMO) outcomes in pediatric population are unknown. We performed retrospective analysis of 41 children (age 2–18 years) undergoing VA-ECMO. The percentage difference between actual body weight and lean body weight, referred to as Δmass, was calculated. Ratios of Δmass to ECMO flow were calculated at 4 and 24 hours. In patients with Δmass:flow ≥ 0.1 at 4 hours, higher 24-hour lactates (20.0 vs. 14.5 mg/dL; p = 0.002) and inotrope scores (17.3 vs. 11.2; p = 0.015) were observed. However, elevated Δmass:flow was not associated with mortality, and in-hospital mortality rates between groups were similar (53 vs. 45%; p = 0.647). In obese pediatric patients requiring VA-ECMO, increased flow is necessary to avoid complications of hypoperfusion and related complications.
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