Association between the heart rate to temperature ratio and 28-day mortality in patients with heart failure in intensive care unit: a multicenter retrospective cohort study

BackgroundHeart failure (HF) is a life-threatening condition with a high mortality rate. The precise relationship between the heart rate and temperature (HR/T) ratio and mortality in patients with HF remains unclear. This study aimed to investigate the relationship between the HR/T ratio and 28-day...

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Main Authors: Cheng Fu, Weiguo Lin, Xinglin Chen, WeiLi Hong, Shaorong Yan, Yuzhan Lin
Format: Article
Language:English
Published: Frontiers Media S.A. 2024-12-01
Series:Frontiers in Medicine
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Online Access:https://www.frontiersin.org/articles/10.3389/fmed.2024.1497245/full
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Summary:BackgroundHeart failure (HF) is a life-threatening condition with a high mortality rate. The precise relationship between the heart rate and temperature (HR/T) ratio and mortality in patients with HF remains unclear. This study aimed to investigate the relationship between the HR/T ratio and 28-day intensive care unit (ICU) mortality rates in patients with HF.MethodsThis retrospective cohort study analyzed the data of 3,790 patients with congestive heart failure in a large electronic database. Patients were divided into quartiles based on their HR/T ratio: Q1 (1.28–1.76), Q2 (2.44–2.72), Q3 (2.88–3.14), and Q4 (3.29–4.13). Multivariable logistic regression analysis was performed to examine the association between HR/T ratio and 28-day ICU mortality.ResultsPatients with higher HR/T ratios had greater disease severity and higher mortality rates. In the fully adjusted regression model, a significant association was observed between HR/T ratio and 28-day ICU mortality risk, with mortality increasing as HR/T ratio rose (OR = 1.55, 95% CI: 1.17–2.04). An E-value analysis indicated that unmeasured confounders had a minimal impact on the results, confirming the robustness of the study.ConclusionAmong ICU-admitted patients with HF, we identified a significant association between HR/T ratio and 28-day ICU mortality. As the HR/T ratio increased, the 28-day ICU mortality showed an upward trend.
ISSN:2296-858X