Abstract
BackgroundDuring cardiac arrest, end-tidal carbon dioxide (ETCO2) monitoring is recommended as a chest compression performance indicator. However, its frequency of use during out-of-hospital cardiac arrest (OHCA) and its benefits have never been evaluated in real clinical situations.ObjectiveWe investigated OHCA patients in Taiwan to evaluate the frequency of ETCO2 monitoring and its effects on sustained return of spontaneous circulation (ROSC).MethodsWe sampled the Taiwan National Health Insurance claims database, which contains 1 million beneficiaries. All adult beneficiaries older than 18 years who presented with OHCA and received chest compression between 1 January 2005 and 31 December 2012 were enrolled. We further identified patients with ETCO2 monitoring and matched each 1 with 20 patients who did not receive ETCO2 monitoring based on their propensity scores. A simple conditional logistic regression model was applied to compare the odds ratio (OR) for sustained ROSC in the matched cohorts.ResultsA total of 5041 OHCA patients were enrolled. The frequency of ETCO2 monitoring has increased since 2010 but still is low. After matching, 53 patients with ETCO2 monitoring and 1060 without ETCO2 monitoring were selected. The OR of sustained ROSC in the ETCO2 group was significantly increased (2.38, 95 % CI 1.28–4.42).ConclusionPatients who received ETCO2 monitoring during OHCA had a higher possibility of sustained ROSC, but the overall use of ETCO2 monitoring is still low despite strong recommendations for its use.Electronic supplementary materialThe online version of this article (doi:10.1186/s13049-015-0187-y) contains supplementary material, which is available to authorized users.
Highlights
Out-of-hospital cardiac arrest (OHCA) is a major cause of morbidity and mortality around the world
The overall baseline characteristics are similar between the 2 groups, except the patients monitored with End-tidal carbon dioxide monitoring (ETCO2) were more likely to have liver cirrhosis
Patients who visited medical centers had a higher probability of receiving ETCO2 monitoring
Summary
Out-of-hospital cardiac arrest (OHCA) is a major cause of morbidity and mortality around the world. Chen et al Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine (2015) 23:104 or displaced tracheal tube, fatigue of the team member, suboptimal chest compressions, cardiac tamponade, or pneumothorax. In this way the resuscitation can be individualized, and better CPR delivery may be achieved. To our knowledge, despite the strong recommendations from ACLS, the frequency of ETCO2 use during OHCA and its possible influence on CPR quality and survival, have not been evaluated in populationbased studies. End-tidal carbon dioxide (ETCO2) monitoring is recommended as a chest compression performance indicator. Its frequency of use during out-of-hospital cardiac arrest (OHCA) and its benefits have never been evaluated in real clinical situations
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