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September 10, 2025ResuscitationOpen Access

Why do patients develop in-hospital cardiac arrest? A prospective clinical observational study (WHY-IHCA)

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Authors

PLP LindBRBenjamin H RisagerHGHenrik Gammelager

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Overview

Prospective clinical observational study examines in-hospital cardiac arrest aetiologies, revealing factors impacting return of spontaneous circulation.

Key Points

  • Primary findings indicate that the most common aetiologies of in-hospital cardiac arrest are pulmonary and cardiac.
  • Out of 150 adult patients studied, 71 (47%) achieved return of spontaneous circulation, highlighting critical intervention success.
  • The investigation involved diverse methods including blood tests, echocardiography, and both CT and MRI imaging.
  • Discrepancy between presumed causes and expert panel determinations underscores the complexities in diagnosing cardiac arrest aetiologies.

Cite This Study

Lind et al. (2025) studied this question.

synapsesocial.com/papers/68c242e0b210217d647a4e1dhttps://doi.org/10.1016/j.resuscitation.2025.110782
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Etiological spectrum of in-hospital cardiac arrest and its association with clinical outcomes2025 · 2 citations
  2. 2Challenges in resuscitation and survival factors of in-hospital cardiac arrest with suspected cardiovascular etiology: a multicenter retrospective study in Beijing, China2025
  3. 3Abstract 328: Identification of In-Hospital Cardiac Arrest Using Administrative Billing Codes2023 · 1 citations
  4. 4Rate of Return of Spontaneous Circulation (ROSC) in In-Hospital Cardiac Arrest (IHCA) Cases at AaBET Hospital, Addis Ababa, Ethiopia2025
  5. 5Against the Clock: Survival in Pediatric in-hospital Cardiac Arrest2025