Factors associated with the outcome of out-of-hospital cardiopulmonary arrest among people over 80 years old in Japan

Takashi Nagata, Takeru Abe, Manabu Hasegawa, Akihito Hagihara

Research output: Contribution to journalArticle

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Abstract

Aim To determine if termination of resuscitation should be considered for older individuals, we sought to identify factors associated with clinical outcome following out-of-hospital cardiac arrest (OHCA) in people ≥80 years old and over. Methods A prospective, population-based, observational study was conducted for ≥80-year-old individuals who experienced out-of-hospital cardiac arrest and to whom resuscitation was provided by emergency responders between January 1, 2005 and December 31, 2012 (n = 377,577). The primary endpoint was 1-month survival. Signal detection analysis was applied to estimate predictive factors among 17 variables. Results Among all out-of-hospital cardiac arrest cases, 59.4% were of cardiac origin, and 1-month survival rate was 3.3%. Following signal detection analysis, cases of both cardiac and non-cardiac origin were categorized into three subgroups defined by return of spontaneous circulation (ROSC) and epinephrine use. One-month survival ranged between 1.2 and 41.0% for the three subgroups of cardiac origin and between 2.0 and 41.1% for the three subgroups of non-cardiac origin. Conclusions ROSC was the most significant predictor of 1-month survival among patients with cardiac and non-cardiac OHCA who were ≥80 years old. Absence of ROSC might be an important factor to the termination of resuscitation rule for OHCA in individuals who are ≥80 years old.

Original languageEnglish
Pages (from-to)63-69
Number of pages7
JournalResuscitation
Volume113
DOIs
Publication statusPublished - Apr 1 2017

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Out-of-Hospital Cardiac Arrest
Heart Arrest
Japan
Resuscitation
Survival
Emergency Responders
Epinephrine
Observational Studies
Survival Rate
Population

All Science Journal Classification (ASJC) codes

  • Emergency Medicine
  • Emergency
  • Cardiology and Cardiovascular Medicine

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Factors associated with the outcome of out-of-hospital cardiopulmonary arrest among people over 80 years old in Japan. / Nagata, Takashi; Abe, Takeru; Hasegawa, Manabu; Hagihara, Akihito.

In: Resuscitation, Vol. 113, 01.04.2017, p. 63-69.

Research output: Contribution to journalArticle

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