Sex-Based Disparities in Receiving Bystander Cardiopulmonary Resuscitation by Location of Cardiac Arrest in Japan

Matsuyama, Tasuku; Okubo, Masashi; Kiyohara, Kosuke; Kobayashi, Daisuke; Nishiyama, Chika; Okabayashi, Satoe; Shimamoto, Tomonari; Izawa, Junichi; Komukai, Sho; Gibo, Koichiro; Ohta, Bon; Kitamura, Tetsuhisa; Kawamura, Takashi; Iwami, Taku

doi:10.1016/j.mayocp.2018.12.028

Cited by 37 publications

(35 citation statements)

References 22 publications

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“…After multivariate adjustment, women had lower rates of survival with good neurological outcome at 30 days (adjusted OR¼.8), and bystander CPR was associated with higher rates of survival with good neurological outcome at 30 days (adjusted OR 2.1). 11 This study further supports the presence of clinically-relevant differences between male and female OHCA victims, not only in the initial circumstances of the arrest, but also in the provision of basic and advanced life support interventions that may influence outcomes.…”

supporting

confidence: 71%

“…7,8 In the Korean Hypothermia Network database, women had a lower prevalence of cardiac etiology and shockable arrest rhythm, associated with worse unadjusted survival and neurologic outcomes among women, particularly younger women. 9 In the current issue of the Mayo Clinic Proceedings, Matsuyama et al 11 report on a large nationally-representative cohort of almost 85,000 patients with a witnessed OHCA from the All-Japan Utstein Registry from 2013 to 2015, examining the rates and outcomes associated with bystander CPR as a function of the sex of the patient. As in prior studies, women had lower rates of shockable arrest rhythms and were less likely to receive advanced life support interventions.…”

mentioning

confidence: 99%

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Sex-Based Disparities in Cardiac Arrest Care: Time to Do Better!

Jentzer

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2019

Mayo Clinic Proceedings

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supporting

confidence: 71%

mentioning

confidence: 99%

Sex-Based Disparities in Cardiac Arrest Care: Time to Do Better!

Jentzer

Best

White

2019

Mayo Clinic Proceedings

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“…The following data were collected on a community-based scale, based on the international Utstein-style: 12 categories: daytime (9:00-16:59) and night time (17:00-8:59). 10,15 Locations of cardiac arrest were classified into 3 categories: residential area, public area (public buildings, workplace, streets/highway), and others, based on the preceding studies. 10,16,17 Types of people who witnessed a cardiac arrest and who performed BCPR for the victims were divided into the following 2 groups: family members and non-family members (friends, colleagues, passersby, others), respectively.…”

Section: Data Collectionmentioning

confidence: 99%

“…10,15 Locations of cardiac arrest were classified into 3 categories: residential area, public area (public buildings, workplace, streets/highway), and others, based on the preceding studies. 10,16,17 Types of people who witnessed a cardiac arrest and who performed BCPR for the victims were divided into the following 2 groups: family members and non-family members (friends, colleagues, passersby, others), respectively. Person who performed BCPR was investigated by observing by EMS or their interview at the scene.…”

Section: Data Collectionmentioning

confidence: 99%

“…A previous study showed that women were less likely to receive BCPR than were men, regardless of age, when witnessed by a non-family member at a public location. 10 Another nationwide study revealed that patients with OHCAs witnessed by family members were less likely to receive BCPR. 11 Importantly, these studies did not include the data of who actually administered BCPR.…”

Section: Introductionmentioning

confidence: 99%

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Disparities in Bystander Cardiopulmonary Resuscitation Performed by a Family Member and a Non-family Member

Sato

Matsuyama

Kitamura

et al. 2021

Journal of Epidemiology

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Sex- and Age-Based Disparities in Public Access Defibrillation, Bystander Cardiopulmonary Resuscitation, and Neurological Outcome in Cardiac Arrest

et al. 2023

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ImportanceYounger females with out-of-hospital cardiac arrest (OHCA) in public locations have less likelihood to receive public access defibrillation and bystander cardiopulmonary resuscitation (CPR). However, the association between age- and sex-based disparities and neurological outcomes remains underexamined.ObjectiveTo investigate the association between sex and age and the rate of receiving bystander CPR, automated external defibrillator defibrillation, and neurological outcomes in patients with OHCA.Design, Setting, and ParticipantsThis cohort study used the All-Japan Utstein Registry, a prospective, population-based, nationwide database in Japan containing data on 1 930 273 patients with OHCA between January 1, 2005, and December 31, 2020. The cohort comprised patients with OHCA of cardiac origin that was witnessed by citizens and treated by emergency medical service personnel. The data were analyzed from September 3, 2022, to May 5, 2023.ExposureSex and age.Main Outcomes and MeasuresThe primary outcome was favorable neurological outcome at 30 days after an OHCA. Favorable neurological outcome was defined as a Cerebral Performance Category score of 1 (indicating good cerebral performance) or 2 (indicating moderate cerebral disability). The secondary outcomes were the rates of receiving public access defibrillation and bystander CPR.ResultsThe 354 409 included patients who experienced bystander-witnessed OHCA of cardiac origin had a median (IQR) age of 78 (67-86) years and 136 520 were females (38.5%). The rate of receiving public access defibrillation was higher in males than females (3.2% vs 1.5%; P &lt; .001). Stratified by age, age- and sex-based disparities in prehospital lifesaving interventions by bystanders and in neurological outcomes were observed. Although younger females had a lower rate of receiving public access defibrillation and bystander CPR than males, younger females had a higher favorable neurological outcome compared with males of the same age (odds ratio [OR], 1.19; 95% CI, 1.08-1.31). In younger females with OHCA that was witnessed by nonfamily bystanders, receiving public access defibrillation (OR, 3.51; 95% CI, 2.34-5.27) or bystander CPR (OR, 1.62; 95% CI, 1.20-2.22) was associated with a favorable neurological outcome.Conclusions and RelevanceResults of this study suggest a pattern of significant sex- and age-based differences in bystander CPR, public access defibrillation, and neurological outcomes in Japan. Improvement in neurological outcomes in patients with OHCA, especially younger females, was associated with increased use of public access defibrillation and bystander CPR.

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Sex-Based Disparities in Receiving Bystander Cardiopulmonary Resuscitation by Location of Cardiac Arrest in Japan

Cited by 37 publications

References 22 publications

Sex-Based Disparities in Cardiac Arrest Care: Time to Do Better!

Sex-Based Disparities in Cardiac Arrest Care: Time to Do Better!

Disparities in Bystander Cardiopulmonary Resuscitation Performed by a Family Member and a Non-family Member

Sex- and Age-Based Disparities in Public Access Defibrillation, Bystander Cardiopulmonary Resuscitation, and Neurological Outcome in Cardiac Arrest

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