Publication: Predictive model of return of spontaneous circulation among patients with out-of-hospital cardiac arrest in Thailand: The WATCH-CPR Score
Issued Date
2020-01-01
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ISSN
17421241
13685031
13685031
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2-s2.0-85082961583
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Mahidol University
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SCOPUS
Bibliographic Citation
International Journal of Clinical Practice. (2020)
Suggested Citation
Kumpol Amnuaypattanapon, Vipa Thanachartwet, Varunee Desakorn, Supat Chamnanchanunt, Sasithon Pukrittayakamee, Duangjai Sahassananda, Anan Wattanathum Predictive model of return of spontaneous circulation among patients with out-of-hospital cardiac arrest in Thailand: The WATCH-CPR Score. International Journal of Clinical Practice. (2020). doi:10.1111/ijcp.13502 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/54661
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Title
Predictive model of return of spontaneous circulation among patients with out-of-hospital cardiac arrest in Thailand: The WATCH-CPR Score
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Abstract
© 2020 John Wiley & Sons Ltd Background: Out-of-hospital cardiac arrest is an emergency that requires immediate management to save lives. However, some predictive scores for the immediate outcomes of patients with out-of-hospital cardiac arrest are difficult to use in clinical practice. Aims: This study aimed to identify predictors of sustained return of spontaneous circulation and to develop a predictive score. Methods: This prospective observational study evaluated sustained return of spontaneous circulation among out-of-hospital cardiac arrest patients in a Thai emergency department between July 2014 and March 2018. The baseline characteristics and prehospital and hospital findings were analysed. Results: Of 347 patients, 126 (36.3%) had sustained return of spontaneous circulation and 20 (5.8%) were discharged. Witnessed arrest (odds ratio = 2.9, 95% confidence interval 1.3-6.2), time from arrest to chest compression <15 min (odds ratio = 3.0, 95% confidence interval 1.3-7.0) and chest compression duration <30 min (odds ratio = 15.6, 95% confidence interval 8.7-28.0) predicted sustained return of spontaneous circulation; these were developed into the WATCH-CPR (Witnessed Arrest, Time from arrest to CHest compression-CPR duration) score. A score of ≥2 was optimal for predicting sustained return of spontaneous circulation, which provided an area under the receiver operating characteristic of 0.775 (95% confidence interval 0.724-0.825) and a sensitivity of 72.2% (95% confidence interval 63.4-79.6%) and specificity of 76.0% (95% confidence interval 69.8-81.4%). Conclusions: The factors including witnessed arrest, time from arrest to chest compression and chest compression duration were developed as the WATCH-CPR score for predicting sustained return of spontaneous circulation among patients with out-of-hospital cardiac arrest.