A novel 'shunt fraction' method to derive native cardiac output during liberation from central VA ECMO
Lim, Hoong Sern
Lim, Hoong Sern
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Affiliation
University Hospitals Birmingham NHS Foundation Trust
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Publication date
2023-11-01
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Abstract
The Fick principle is an established method to quantify intracardiac shunts. The Fick principle has also found utility in the practice of extracorporeal membrane oxygenation (ECMO). This report describes a novel 'shunt fraction' method to calculate intrinsic cardiac output in central (right atrial-to-aorta) ECMO. The physiological basis of this 'shunt fraction' method is described, followed by the case presentation that details the clinical application of this method of quantifying intrinsic cardiac output to guide weaning and liberation from central VA ECMO.
Citation
Lim HS. A novel 'shunt fraction' method to derive native cardiac output during liberation from central VA ECMO. ESC Heart Fail. 2024 Feb;11(1):570-573. doi: 10.1002/ehf2.14441. Epub 2023 Nov 1.
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Article