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Related Experiment Videos

Sudden Death Phenomenon While Bathing in Japan　- Mortality Data.

Masaru Suzuki1, Takuro Shimbo2, Toshiharu Ikaga3

  • 1Department of Emergency and Critical Care Medicine, Keio University School of Medicine.

Circulation Journal : Official Journal of the Japanese Circulation Society
|April 11, 2017
PubMed
Summary

Bath-related sudden cardiac arrest is a significant concern in Japan, with an estimated 13,369 deaths during winter. Drowning appears to be a primary factor in these tragic events.

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Area of Science:

  • Public Health
  • Cardiology
  • Emergency Medicine

Background:

  • Bath-related sudden cardiac arrest (SCA) is a notable health issue in Japan.
  • Existing mortality data for bath-related SCA is insufficient.

Purpose of the Study:

  • To investigate the incidence and mortality of bath-related SCA in Japan.
  • To identify potential causes and risk factors associated with bath-related SCA.

Main Methods:

  • A prospective, cross-sectional observational study was conducted in Tokyo, Saga, and Yamagata Prefectures during winter (October 2012 - March 2013).
  • Emergency medical system activation data related to bathing accidents or acute illnesses were collected.
  • Bath-related cardiac arrest events were identified from registered bath-related incidents.
Keywords:
AgingBathingCardiac arrestEpidemiologyMortality

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Main Results:

  • Out of 4,599 bath-related events, 1,527 (33%) were classified as bath-related cardiac arrest.
  • Crude mortality rates per 100,000 during winter were 10.0 in Tokyo, 11.6 in Yamagata, and 8.5 in Saga.
  • An estimated 13,369 bath-related deaths (95% CI: 10,862-16,887) occurred nationwide during the 6-month winter period.
  • Most events involved submersion in bathwater, suggesting drowning as a key etiological factor.

Conclusions:

  • Bath-related SCA results in a substantial number of deaths annually in Japan, particularly during winter.
  • Drowning is strongly implicated as the primary cause of bath-related cardiac arrest.
  • Public health initiatives should address the risks associated with bathing to prevent SCA.