Chest Compression Fraction and 24-Hour Survival in In-Hospital Cardiac Arrest

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Jessica Nayeli Calixto-Martínez
Jesús Ángel Ortiz-Avelar
Thalyna Polaco de la Vega
Diana Elisa Díaz-Jiménez
Roberto Carlos Chaparro-Hernández

Abstract

Objective: to evaluate the relationship between a chest compression fraction greater than 80% and 24-hour survival in individuals with in-hospital cardiorespiratory arrest. Methods: prospective cohort study conducted in the emergency department of a secondary-level hospital. A total of 79 individuals older than 18 years with in-hospital cardiorespiratory arrest were included. Demographic variables, comorbidities, initial rhythm, reversible causes of arrest, and chest compression fraction (CCF) were recorded. Results: 24-hour survival was 20.3%. Individuals with a CCF greater than 80% had higher survival compared with those with a CCF between 60% and 80% (37.5% vs. 15.9%; p = 0.041). In the multivariable analysis, age younger than 65 years was associated with a higher probability of survival, whereas the presence of metabolic comorbidity was associated with a lower probability of survival. Conclusions: a CCF greater than 80% was associated with higher 24-hour survival in the bivariate analysis; however, this association did not persist after multivariable adjustment. Age younger than 65 years was associated with a higher probability of survival, whereas the presence of metabolic comorbidity was associated with a lower probability of survival. These findings suggest that survival after in-hospital cardiac arrest is multifactorial and that CCF should be considered a component of cardiopulmonary resuscitation quality within the context of clinical characteristics and the resuscitation process.

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1.
Calixto-Martínez JN, Ortiz-Avelar J Ángel, Polaco de la Vega T, Díaz-Jiménez DE, Chaparro-Hernández RC. Chest Compression Fraction and 24-Hour Survival in In-Hospital Cardiac Arrest. Rev. Esp. Med. [Internet]. 2026 Sep. 7 [cited 2026 Oct. 21];1(2):e2026-12. Available from: https://revistaespmed.unam.mx/index.php/em/article/view/26

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