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J Pediatr Intensive Care 2019; 08(02): 057-063
DOI: 10.1055/s-0038-1667012
Original Article
Georg Thieme Verlag KG Stuttgart · New York

Prognostic Evaluation of Mortality after Pediatric Resuscitation Assisted by Extracorporeal Life Support

Aurélie De Mul
1   Pediatric Intensive Care Unit, Geneva University Hospital, Geneva, Switzerland
,
Duy-Anh Nguyen
1   Pediatric Intensive Care Unit, Geneva University Hospital, Geneva, Switzerland
,
Carsten Doell
2   Department of Intensive Care Medicine and Neonatology, University Children's Hospital of Zurich, Zurich, Switzerland
3   Children's Research Center, University Children's Hospital of Zurich, University of Zurich, Zurich, Switzerland
,
Marie-Hélène Perez
4   Pediatric Intensive Care Unit, Lausanne University Hospital, Lausanne, Switzerland
,
Vincenzo Cannizzaro
2   Department of Intensive Care Medicine and Neonatology, University Children's Hospital of Zurich, Zurich, Switzerland
3   Children's Research Center, University Children's Hospital of Zurich, University of Zurich, Zurich, Switzerland
,
Oliver Karam
1   Pediatric Intensive Care Unit, Geneva University Hospital, Geneva, Switzerland
5   Division of Pediatric Critical Care, Children's Hospital of Richmond at VCU, Richmond, VA, United States
› Author Affiliations
Further Information

Publication History

13 April 2018

03 June 2018

Publication Date:
11 July 2018 (online)

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Abstract

To improve survival rates during cardiopulmonary resuscitation (CPR), some patients are put on extracorporeal life support (ECLS) during active resuscitation (ECPR). Our objective was to assess the clinical outcomes after pediatric ECPR in Switzerland and to determine pre-ECPR prognostic factors for mortality. The present study is a retrospective analysis. The study setting included three pediatric intensive care units in Switzerland that use ECPR. All patients (<16 years old) undergoing ECPR from 2008 to 2016 were included in the study. There were no interventions. Data before ECLS initiation and clinical outcomes were collected. An ECPR score was designed to predict mortality, based on variables significantly different between survivors and non-survivors. Fifty-five patients were included, with a median age of 13.5 months. Eighty percent were cardiac patients. The mortality rate was 75%. Mortality was significantly associated with CPR duration (p = 0.02), last lactate (p = 0.05), and last pH (p = 0.01) before ECLS initiation. Based on these three variables, an ECPR score was designed as follows: CPR duration (in minutes): 1 point if < 40; 2 points if ≥ 40; 3 points if ≥ 60; 6 points if ≥ 105. Lactate (in mmol/L): 1 point if < 8; 2 points if ≥ 8; 3 points if ≥ 14; 6 points if ≥ 18. pH: 1 point if > 7.00; 2 points if ≤ 7.00; 3 points if ≤ 6.85; 6 points if ≤ 6.60. The area under the receiver-operating characteristic curve was 0.74. The positive predictive value of a score ≥ 9 was 94%. In our population, a score based on three variables easily available prior to ECLS initiation had good discrimination and could appropriately predict mortality. This score now needs validation in a larger population.

Keywords

extracorporeal life support - extracorporeal membrane oxygenation - cardiopulmonary resuscitation - prognostic factors - children
 

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