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European Journal of Medical Research
Published in: European Journal of Medical Research 1/2023

Open Access 01-12-2023 | Cardiopulmonary Resuscitation | Research

Survival outcome among patients with out-of-hospital cardiac arrest who received cardiopulmonary resuscitation in China: a systematic review and meta-analysis

Authors: Guozhong Zhou, Yan Wang, Zihong Sun, Mingqi Yuan, Yunlin Ma, Qianxi Wu, Chunyan Wu, Jing Xu, Yongyi Li, Yunchuan Liu, Zhenzhou Wang, Chao Song

Published in: European Journal of Medical Research | Issue 1/2023

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Abstract

Background

This study aimed to assess the survival outcomes among patients with out-of-hospital cardiac arrest (CA) who received cardiopulmonary resuscitation (CPR) in China.

Methods

Relevant studies, published between January 1, 2010 and September 5, 2022, were retrieved from databases, including EMBASE, PubMed, Cochrane Library, the China Biology Medicine disk, China National Knowledge Infrastructure, and Wanfang databases. We included clinical studies in which all patients were diagnosed with CA and underwent out-of-hospital CPR, and the outcome variables were at least one of the following: return of spontaneous circulation (ROSC), survival to admission, survival to hospital discharge, 1-month survival, achieved good neurological outcomes, and 1-year survival. Two investigators independently extracted the study data and assessed its quality using a modified Newcastle–Ottawa Scale tool. The data were pooled using random-effects models.

Results

Of the 3620 identified studies, 49 (63,378 patients) were included in the meta-analysis. The pooled ROSC rate was 9.0% (95% confidence interval [CI] 7.5–10.5%, I2 = 97%), the pooled survival to admission rate was 5.0% (95% CI 2.7–8.0%, I2 = 98%), and the pooled survival to discharge rate was 1.8% (95% CI 1.2–2.5%, I2 = 95%). Additionally, the ROSC rate of patients with bystander CPR was significantly higher than that of those without bystander CPR, and the pooled odds ratio (OR) was 7.92 (95% CI 4.32–14.53, I2 = 85%). The ROSC rate of participants who started CPR within 5 min was significantly higher than that of those who started CPR after 5 min, and the pooled OR was 5.92 (95% CI 1.92–18.26, I2 = 85%). The ROSC rate of participants with defibrillation was significantly higher than that of those without defibrillation, and the pooled OR was 8.52 (95% CI 3.72–19.52, I2 = 77%).

Conclusion

The survival outcomes of out-of-hospital CPR in China are far below the world average. Therefore, the policy of providing automated external defibrillators (AEDs) in public places and strengthening CPR training for healthcare providers and public personnel should be encouraged and disseminated nationwide.
Trial registration This study was registered in PROSPERO (CRD42022326165) on 29 April 2022.
Appendix
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Metadata
Title
Survival outcome among patients with out-of-hospital cardiac arrest who received cardiopulmonary resuscitation in China: a systematic review and meta-analysis
Authors
Guozhong Zhou
Yan Wang
Zihong Sun
Mingqi Yuan
Yunlin Ma
Qianxi Wu
Chunyan Wu
Jing Xu
Yongyi Li
Yunchuan Liu
Zhenzhou Wang
Chao Song
Publication date
01-12-2023
Publisher
BioMed Central
Published in
European Journal of Medical Research / Issue 1/2023
Electronic ISSN: 2047-783X
DOI
https://doi.org/10.1186/s40001-022-00955-x

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