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January 9, 2026BMC Emergency MedicineOpen Access

68% of patients achieved sustained return of spontaneous circulation after in-hospital cardiac arrest in the emergency department.

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Key result

68% of patients achieved sustained return of spontaneous circulation after in-hospital cardiac arrest in the emergency department.

Authors

KDKiattichai DaorattanachaiKSKornrawee SrisiriWSWinchana Srivilaithon

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Overview

Retrospective study examines bed occupancy's impact on in-hospital cardiac arrest in the emergency department, suggesting the need for monitoring strategies.

Key Points

  • This study investigates the relationship between emergency department bed occupancy rate and in-hospital cardiac arrest occurrences.
  • Conducted a retrospective observational study at Thammasat University Hospital between January 2020 and December 2022.
  • Analyzed EDBOR at the time of in-hospital cardiac arrest compared to routine operations using a case–control analogue design.
  • Applied logistic regression to assess the correlation between EDBOR and IHCA occurrences.
  • EDBOR during IHCA was 75.5%, compared to 70.5% during control periods; the difference was not statistically significant (p = 0.275).
  • Sensitivity analyses revealed a higher likelihood of IHCA with increased occupancy levels during high-occupancy periods.
  • Each 10-percentage-point increase in EDBOR above 60% raised the odds of IHCA by 10% (adjusted odds ratio 1.10, p = 0.02).

Study Design

Type

Observational (n=125)

PICO

P
Population
In-hospital cardiac arrest (n=125)
O
Primary Outcome
Sustained return of spontaneous circulation

Limitations

  • Retrospective design limits causality determination
  • Single-center study may affect generalizability
  • Potential selection bias in monitoring patients

Cite This Study

Daorattanachai et al. (2026) conducted an observational in In-hospital cardiac arrest (n=125). 68% of patients achieved sustained return of spontaneous circulation after in-hospital cardiac arrest in the emergency department.

synapsesocial.com/papers/69613595766f0a95ea6ada28https://doi.org/10.1186/s12873-025-01467-7
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Also Consider

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  1. 1Etiological spectrum of in-hospital cardiac arrest and its association with clinical outcomes2025 · 2 citations
  2. 2Risk factors and outcome of extracorporeal cardiopulmonary resuscitation patients with out-of-hospital cardiac arrest and in-hospital cardiac arrest: a nationwide prospective and observational study of 939 hospitals in China2025
  3. 3Emergency department boarding time and in-hospital mortality: A prospective observational study2025
  4. 4The effect of emergency department occupancy on the revisitation rate within seven days among patients discharged by triage2025
  5. 5Short-term prognosis analysis of critically ill patients entering the emergency department by different ways based on propensity score matching2025