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Effect of Temporal Difference on Clinical Outcomes of Patients with Out-of-Hospital Cardiac Arrest: A Retrospective Study from an Urban City of Taiwan

Author

Listed:
  • Han-Chun Huang

    (Department of Emergency Medicine, Ditmanson Medical Foundation Chia-Yi Christian Hospital, Chiayi City 600, Taiwan
    These authors contributed equally to this work.)

  • Tsung-Yu Lee

    (Department of Emergency Medicine, Ditmanson Medical Foundation Chia-Yi Christian Hospital, Chiayi City 600, Taiwan
    These authors contributed equally to this work.)

  • Cheng-Han Tsai

    (Department of Emergency Medicine, Chiayi Branch, Taichung Veteran’s General Hospital, Chiayi City 600, Taiwan
    Department of Information Management, Institute of Healthcare Information Management, National Chung Cheng University, Chiayi County 621, Taiwan)

  • Yao-Sing Su

    (Fire Bureau, Chiayi City Government, Chiayi City 600, Taiwan)

  • Yi-Rong Chen

    (Department of Emergency Medicine, Ditmanson Medical Foundation Chia-Yi Christian Hospital, Chiayi City 600, Taiwan)

  • Ya-Ni Yeh

    (Department of Emergency Medicine, Ditmanson Medical Foundation Chia-Yi Christian Hospital, Chiayi City 600, Taiwan)

  • Chi-Feng Hsu

    (Department of Emergency Medicine, Ditmanson Medical Foundation Chia-Yi Christian Hospital, Chiayi City 600, Taiwan
    These authors contributed equally to this work.)

  • Ming-Jen Tsai

    (Department of Emergency Medicine, Ditmanson Medical Foundation Chia-Yi Christian Hospital, Chiayi City 600, Taiwan
    These authors contributed equally to this work.)

Abstract

Circadian pattern influence on the incidence of out-of-hospital cardiac arrest (OHCA) has been demonstrated. However, the effect of temporal difference on the clinical outcomes of OHCA remains inconclusive. Therefore, we conducted a retrospective study in an urban city of Taiwan between January 2018 and December 2020 in order to investigate the relationship between temporal differences and the return of spontaneous circulation (ROSC), sustained (≥24 h) ROSC, and survival to discharge in patients with OHCA. Of the 842 patients with OHCA, 371 occurred in the daytime, 250 in the evening, and 221 at night. During nighttime, there was a decreased incidence of OHCA, but the outcomes of OHCA were significant poor compared to the incidents during the daytime and evening. After multivariate adjustment for influencing factors, OHCAs occurring at night were independently associated with lower probabilities of achieving sustained ROSC (aOR = 0.489, 95% CI: 0.285–0.840, p = 0.009) and survival to discharge (aOR = 0.147, 95% CI: 0.03–0.714, p = 0.017). Subgroup analyses revealed significant temporal differences in male patients, older adult patients, those with longer response times (≥5 min), and witnessed OHCA. The effects of temporal difference on the outcome of OHCA may be a result of physiological factors, underlying etiology of arrest, resuscitative efforts in prehospital and in-hospital stages, or a combination of factors.

Suggested Citation

  • Han-Chun Huang & Tsung-Yu Lee & Cheng-Han Tsai & Yao-Sing Su & Yi-Rong Chen & Ya-Ni Yeh & Chi-Feng Hsu & Ming-Jen Tsai, 2021. "Effect of Temporal Difference on Clinical Outcomes of Patients with Out-of-Hospital Cardiac Arrest: A Retrospective Study from an Urban City of Taiwan," IJERPH, MDPI, vol. 18(21), pages 1-14, October.
    • Handle: RePEc:gam:jijerp:v:18:y:2021:i:21:p:11020-:d:660617
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    References listed on IDEAS

    as
    1. Yi-Rong Chen & Chi-Jiang Liao & Han-Chun Huang & Cheng-Han Tsai & Yao-Sing Su & Chung-Hsien Liu & Chi-Feng Hsu & Ming-Jen Tsai, 2021. "The Effect of Implementing Mechanical Cardiopulmonary Resuscitation Devices on Out-of-Hospital Cardiac Arrest Patients in an Urban City of Taiwan," IJERPH, MDPI, vol. 18(7), pages 1-14, March.
    2. Peter James Kudenchuk & Hans Friberg & Steven Laureys & Didier Ledoux & Mauro Oddo & Stéphane Legriel & Philippe Hantson & Jean Luc Diehl & Pierre-Francois Laterre & Claudio Sandroni & Hendrik H.R. Dr, 2015. "Breakthrough in cardiac arrest: reports from the 4th Paris International Conference," ULB Institutional Repository 2013/218207, ULB -- Universite Libre de Bruxelles.
    3. Pin-Hui Fang & Yu-Yuan Lin & Chien-Hsin Lu & Ching-Chi Lee & Chih-Hao Lin, 2020. "Impacts of Emergency Medical Technician Configurations on Outcomes of Patients with Out-Of-Hospital Cardiac Arrest," IJERPH, MDPI, vol. 17(6), pages 1-12, March.
    Full references (including those not matched with items on IDEAS)

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