Cause analysis of injury-related out-of-hospital cardiac arrest in the elderly

Ding Kuo Chien, Wen Han Chang, Shin Han Tsai, Cheng Kuei Chang, Mau Roung Lin, Fang Ju Sun, Te Chu Liu

Research output: Contribution to journalArticle

Abstract

Background: The purpose of this study was to investigate the causes of injury-related out-of-hospital cardiac arrest (OHCA) in patients; the differences between elderly and younger patients were investigated. We believe that identifying the causes of cardiac arrest in different patient groups, may help emergency physicians to make better decisions and thus improve the development of preventive strategies in the future. Methods: A retrospective review was carried out of injury-related OHCA patients who were > 17 years old, and who were admitted to the emergency department (ED) of a medical center in northern Taiwan, between January 1 and December 31, 2005. Details of demographics, witness reports, mode of transport, outcome, and cause of injury-related OHCA were collected and analyzed. Results: Ninety-four patients met our inclusion criteria; 5 patients (5.3%) survived to hospital discharge, but all had significant neurological deficits. Twenty patients were > 65 years old, and were defined as elderly; 74 patients, who were defined as adults, were between 18 and 64 years old. The survival rate in the elderly group was 15.0% (3/20), and in the adult group was 2.7% (2/74); there was no significant difference between the elderly and adult groups (p = 0.063). In the adult group, the leading cause of injury-related OHCA was a traffic accident, but in the elderly group, the leading cause was mechanical airway obstruction (choking); these results are statistically significant. Conclusion: In this study, choking was found to be the leading cause of injury-related OHCA in the elderly and traffic accidents were the leading cause in adults. Five patients (5.3%) survived, but all had significant neurological deficits. Because of the poor outcomes of injury-related OHCA patients, it is proposed that prevention may be the best strategy for these patients' survival.

Original languageEnglish
Pages (from-to)211-214
Number of pages4
JournalInternational Journal of Gerontology
Volume6
Issue number3
DOIs
Publication statusPublished - Sep 2012

Fingerprint

Out-of-Hospital Cardiac Arrest
Wounds and Injuries
Airway Obstruction
Traffic Accidents
Heart Arrest
Taiwan
Hospital Emergency Service
Emergencies
Survival Rate

Keywords

  • accidents
  • cause
  • choking
  • out-of-hospital cardiac arrest (OHCA)

ASJC Scopus subject areas

  • Geriatrics and Gerontology

Cite this

Cause analysis of injury-related out-of-hospital cardiac arrest in the elderly. / Chien, Ding Kuo; Chang, Wen Han; Tsai, Shin Han; Chang, Cheng Kuei; Lin, Mau Roung; Sun, Fang Ju; Liu, Te Chu.

In: International Journal of Gerontology, Vol. 6, No. 3, 09.2012, p. 211-214.

Research output: Contribution to journalArticle

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abstract = "Background: The purpose of this study was to investigate the causes of injury-related out-of-hospital cardiac arrest (OHCA) in patients; the differences between elderly and younger patients were investigated. We believe that identifying the causes of cardiac arrest in different patient groups, may help emergency physicians to make better decisions and thus improve the development of preventive strategies in the future. Methods: A retrospective review was carried out of injury-related OHCA patients who were > 17 years old, and who were admitted to the emergency department (ED) of a medical center in northern Taiwan, between January 1 and December 31, 2005. Details of demographics, witness reports, mode of transport, outcome, and cause of injury-related OHCA were collected and analyzed. Results: Ninety-four patients met our inclusion criteria; 5 patients (5.3{\%}) survived to hospital discharge, but all had significant neurological deficits. Twenty patients were > 65 years old, and were defined as elderly; 74 patients, who were defined as adults, were between 18 and 64 years old. The survival rate in the elderly group was 15.0{\%} (3/20), and in the adult group was 2.7{\%} (2/74); there was no significant difference between the elderly and adult groups (p = 0.063). In the adult group, the leading cause of injury-related OHCA was a traffic accident, but in the elderly group, the leading cause was mechanical airway obstruction (choking); these results are statistically significant. Conclusion: In this study, choking was found to be the leading cause of injury-related OHCA in the elderly and traffic accidents were the leading cause in adults. Five patients (5.3{\%}) survived, but all had significant neurological deficits. Because of the poor outcomes of injury-related OHCA patients, it is proposed that prevention may be the best strategy for these patients' survival.",
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AB - Background: The purpose of this study was to investigate the causes of injury-related out-of-hospital cardiac arrest (OHCA) in patients; the differences between elderly and younger patients were investigated. We believe that identifying the causes of cardiac arrest in different patient groups, may help emergency physicians to make better decisions and thus improve the development of preventive strategies in the future. Methods: A retrospective review was carried out of injury-related OHCA patients who were > 17 years old, and who were admitted to the emergency department (ED) of a medical center in northern Taiwan, between January 1 and December 31, 2005. Details of demographics, witness reports, mode of transport, outcome, and cause of injury-related OHCA were collected and analyzed. Results: Ninety-four patients met our inclusion criteria; 5 patients (5.3%) survived to hospital discharge, but all had significant neurological deficits. Twenty patients were > 65 years old, and were defined as elderly; 74 patients, who were defined as adults, were between 18 and 64 years old. The survival rate in the elderly group was 15.0% (3/20), and in the adult group was 2.7% (2/74); there was no significant difference between the elderly and adult groups (p = 0.063). In the adult group, the leading cause of injury-related OHCA was a traffic accident, but in the elderly group, the leading cause was mechanical airway obstruction (choking); these results are statistically significant. Conclusion: In this study, choking was found to be the leading cause of injury-related OHCA in the elderly and traffic accidents were the leading cause in adults. Five patients (5.3%) survived, but all had significant neurological deficits. Because of the poor outcomes of injury-related OHCA patients, it is proposed that prevention may be the best strategy for these patients' survival.

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