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. 2020 Oct 5;11(2):109-113.
doi: 10.1055/s-0040-1718375. eCollection 2022 Jun.

Volumetric Capnography in Pediatric Extracorporeal Membrane Oxygenation: A Case Series

Kim R Derespina  1 , Shivanand S Medar  1 , Scott I Aydin  2 , Shubhi Kaushik  2 , Awni Al-Subu  3 , George Ofori-Amanfo  2
Affiliations

Volumetric Capnography in Pediatric Extracorporeal Membrane Oxygenation: A Case Series

Kim R Derespina et al. J Pediatr Intensive Care. .

Abstract

The kinetics of carbon dioxide elimination (VCO 2 ) may be used as a surrogate for pulmonary blood flow. As such, we can apply a novel use of volumetric capnography to assess hemodynamic stability in patients requiring extracorporeal membrane oxygenation (ECMO). We report our experience of pediatric patients requiring ECMO support who were monitored using volumetric capnography. We describe the use of VCO 2 and its association with successful decannulation. This is a prospective observational study of pediatric patients requiring ECMO support at The Children's Hospital at Montefiore from 2017 to 2019. A Respironics NM3 monitor was applied to each patient. Demographics, hemodynamic data, blood gases, and VCO 2 (mL/min) data were collected. Data were collected immediately prior to and after decannulation. Over the course of the study period, seven patients were included. Predecannulation VCO 2 was higher among patients who were successfully decannulated than nonsurvivors (109 [35, 230] vs. 12.4 [7.6, 17.2] mL/min), though not statistically significant. Four patients (57%) survived without further mechanical support; two (29%) died, and one (14%) was decannulated to Berlin. Predecannulation VCO 2 appears to correlate with hemodynamic stability following decannulation. This case series adds to the growing literature describing the use of volumetric capnography in critical care medicine, particularly pediatric patients requiring ECMO. Prospective studies are needed to further elucidate the use of volumetric capnography and optimal timing for ECMO decannulation.

Keywords: ECMO; device; noninvasive.

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Conflict of interest statement

Conflict of Interest None declared.

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