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KMID : 0385920230340010001
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Journal of the Korean Society of Emergency Medicine
2023 Volume.34 No. 1 p.1 ~ p.9
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The influence of changes in-hospital infection control protocols and cardiopulmonary resuscitation environment to treatment outcomes on out-of-hospital cardiac arrest due to the COVID-19 pandemic: a single center retrospective observational study
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Oh Hyo-Seok
Choi Woo-Sung
Lim Yong-Su
Cho Jin-Seong
Woo Jae-Hyug
Jang Jae-Ho
Choi Jae-Yeon
Choi Kang-Kook
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Abstract
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Objective: Coronavirus disease 2019 (COVID-19) pandemic has been affecting the safety of hospital healthcare workers and the outcome of out-of-hospital cardiac arrest patients. This study aimed to analyze the influence of the changes inhospital infection control protocols (ICP) and cardiopulmonary resuscitation (CPR) environment on the treatment outcomes of out-of-hospital cardiac arrest patients.
Methods: The medical records of patients who visited the emergency room were retrospectively reviewed for the period from March 13, 2019 to March 13, 2021. Patient data were analyzed before and after March 13, 2020, when the “in-hospital CPR guidelines related to COVID-19 infection” was recommended by the Korean Society of Emergency Medicine.
We performed a comparison and analysis of the first epinephrine administration time and the intubation time with other CPR-related factors in both groups. The in-hospital return of spontaneous circulation (ROSC) and the over 24-hour survival rate were defined as treatment outcomes.
Results: A total number of 453 patients were included in the study. After ICP, the in-hospital ROSC was increased (29.8% vs. 42.1%, P=0.006), whereas the over 24-hour survival rate was decreased (67.2% vs. 40.6%, P=0.001). The time intervals from the hospital visit to the first epinephrine administration?1.0 (0-1.0) vs. 1.0 (0-2.0), P=0.007?and tracheal intubation?1.0 (0-1.0) vs. 1.0 (1.0-2.8), P<0.001?were statistically significantly higher than those before ICP application. In our multivariable analysis, the ICP application and pre-hospital emergency medical service (EMS) response time were factors associated with the treatment outcome.
Conclusion: After the application of the ICP, both the first epinephrine administration time and the tracheal intubation time from the patient’s hospital visit were prolonged. The application of ICP and the delayed EMS response time were factors associated with the treatment outcome.
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KEYWORD
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COVID-19, Out-of-hospital cardiac arrest, Personal protective equipment
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