• Ping Lu, Lingyun Cui, Hongqiu Gu, Zixiao Li, Yi Ju, Yongjun Wang, Xingquan Zhao, and Wenjuan Wang.
• Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, People's Republic of China.
• Shock. 2024 Oct 2.

ObjectiveCardiac arrest (CA) is one of the most severe complications in patients with intracerebral hemorrhage (ICH), increasing the risk of death. This study explored the factors influencing CA occurrence and its resuscitation characteristics in ICH patients.MethodsData were retrieved from the Chinese Stroke Center Alliance database. The primary outcome was CA, and the secondary outcomes were in-hospital death and survival post-CA. Absolute standardized and rate differences were utilized for intergroup comparisons, while logistic regression was employed for correlation analysis.ResultsA total of 85,105 patients were enrolled in this study. Among them, 1651 (1.9%) patients experienced CA, of whom 1032 (62.5%) died in hospital. At baseline, prehospital notification from the emergency medical service system (PRE-EMS) was a co-factor influencing CA occurrence and the presence of a death outcome (OR: 1.71, 95% CI: 1.47-1.98, p < 0.001; OR: 0.50, 95% CI: 0.41-0.62, p < 0.001). In terms of complications, post-hospital hematoma expansion and swallowing dysfunction were co-factors influencing CA occurrence and the presence of a death outcome (OR: 3.78, 95% CI: 3.20-4.47, p < 0.001, OR: 1.39, 95% CI: 1.11-1.76; p < 0.001; OR: 7.66, 95% CI:5.48-10.70, p < 0.001, OR: 1.66, 95% CI: 1.08-2.57, p < 0.001). The incidence of CA in ICH patients decreased annually from 2015 to 2019, while survival after CA increased annually (p < 0.001).ConclusionsPRE-EMS, posthospital hematoma expansion, and swallowing dysfunction were identified as co-factors contributing to CA occurrence and post-CA mortality following ICH. The proportion of CA patients following ICH decreased, while survival rates improved annually from 2015 to 2019.Copyright © 2024 by the Shock Society.

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