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Causes of in-hospital cardiac arrest and influence on outcome

Christian Wallmuller1, Giora Meron, Istepan Kurkciyan

  • 1Department of Emergency Medicine, General Hospital of Vienna, Medical University of Vienna, Austria.

Resuscitation
|May 19, 2012
PubMed

Insights

In-hospital cardiac arrest outcomes vary significantly based on the cause. Cardiac arrest originating from cardiac issues has a better prognosis than non-cardiac causes, highlighting the importance of identifying the cause for improved patient survival.

Area of Science:

  • Cardiology
  • Emergency Medicine
  • Critical Care

Background:

  • In-hospital cardiac arrest (IHCA) is a critical event with variable outcomes.
  • Understanding the relationship between the cause of IHCA and patient prognosis is crucial for improving survival rates.

Purpose of the Study:

  • To evaluate the relationship between the cause and outcome of in-hospital cardiac arrest.
  • To analyze the impact of different cardiac arrest etiologies on patient survival and neurological condition.

Main Methods:

  • Retrospective analysis of a cardiac arrest registry from a tertiary care hospital.
  • Inclusion of resuscitation data, causes of arrest, and outcomes up to 6 months post-event.
  • Analysis covered a 17.5-year period, involving 1041 patients.

Main Results:

  • Cardiac causes accounted for 63% of IHCA, with acute myocardial infarction being the most frequent (35%).
  • Pulmonary causes represented 15% of non-cardiac origins.
  • Overall survival to good neurological discharge was 36%; cardiac causes had better outcomes (44%) than non-cardiac (23%).
  • IHCA in the emergency department showed better outcomes compared to other hospital areas.

Conclusions:

  • In-hospital cardiac arrest is predominantly caused by cardiac and pulmonary factors.
  • Patient outcome is significantly influenced by the underlying cause of cardiac arrest, demonstrating considerable variability.
  • Location of arrest within the hospital impacts survival, with the emergency department showing a better prognosis.
Abstract

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