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- Christopher Y Z Lo, Stephanie Fook-Chong, Nur Shahidah, Alexander E White, Colin K Tan, Yih Yng Ng, Ling Tiah, ChiaMichael Y CMYCEmergency Department, Tan Tock Seng Hospital, Singapore., LeongBenjamin S HBSHEmergency Medicine Department, National University Hospital, Singapore., Desmond R Mao, Wei Ming Ng, Nausheen E Doctor, OngMarcus E HMEHDepartment of Emergency Medicine, Singapore General Hospital, Singapore; Health Services & Systems Research, Duke-NUS Medical School, Singapore., and Fahad J Siddiqui.
- Duke-NUS Medical School, Singapore. Electronic address: clo@u.duke.nus.edu.
- Resuscitation. 2023 Aug 1; 189: 109873109873.
ObjectivesThe relationship between the bystander witness type and receipt of bystander CPR (BCPR) is not well understood. Herein we compared BCPR administration between family and non-family witnessed out-of-hospital cardiac arrest (OHCA).BackgroundIn many communities, interventions in the past decade have contributed to an increased receipt of BCPR, for example in Singapore from 15% to 60%. However, BCPR rates have plateaued despite sustained and ongoing community-based interventions, which may be related to gaps in education or training for various witness types. The purpose of this study was to investigate the association between witness type and BCPR administration.MethodsSingapore data from 2010-2020 was extracted from the Pan-Asian Resuscitation Outcomes Study (PAROS) network registry (n = 25,024). All adult, layperson witnessed, non-traumatic OHCAs were included in this study.ResultsOf 10,016 eligible OHCA cases, 6,895 were family witnessed and 3,121 were non-family witnessed. After adjustment for potential confounders, BCPR administration was less likely for non-family witnessed OHCA (OR 0.83, 95% CI 0.75, 0.93). After location stratification, non-family witnessed OHCAs were less likely to receive BCPR in residential settings (OR 0.75, 95% CI 0.66, 0.85). In non-residential settings, there was no statistically significant association between witness type and BCPR administration (OR 1.11, 95% CI 0.88, 1.39). Details regarding witness type and bystander CPR were limited.ConclusionThis study found differences in BCPR administration between family and non-family witnessed OHCA cases. Elucidation of witness characteristics may be useful to determine populations that would benefit most from CPR education and training.Copyright © 2023 Elsevier B.V. All rights reserved.
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