Association Between Frailty and Adverse Outcomes After Cardiac Resynchronization Therapy: a Systematic Review and Meta-analysis

Overview

Journal Eur Geriatr Med

Specialty Geriatrics

Date 2024 Dec 4

PMID 39630191

Authors

Xiaowang Li

Fei Fang

Affiliations

Soon will be listed here.

Abstract

Aim: To synthesize evidence, using data from published studies, on the association of frailty with the outcomes after cardiac resynchronization therapy (CRT).

Methods: The systematic search of PubMed, Web of Science, Scopus, and Embase databases was done to identify observational studies (cohort/case-control/cross-sectional) that used an objective method for frailty assessment and had presented adjusted effect sizes. STATA version 15.0 was used to conduct analysis, which was based on random effects model.

Results: Fifteen studies were included. Frailty was found to be associated with an increased risk of in-hospital mortality (odds ratio (OR) 6.96, 95% confidence interval (CI) 5.48, 8.85). The effect of frailty on the response to CRT was not statistically significant (OR 0.55, 95% CI 0.19, 1.59). The pooled effect size indicated that frailty was associated with somewhat bigger but not statistically significant increase in the risk of complications (OR 1.70, 95% CI 0.93, 3.12). The risks of mortality and decompensated heart failure on long-term follow up were higher in frail patients (Hazard ratio (HR) 1.75, 95% CI 1.40, 2.17 and HR 3.03, 95% CI 1.33, 6.90, respectively) compared to patients without frailty. The risk of readmission was higher in frail patients, however, it did not achieve statistical significance (HR 2.63, 95% CI 0.89, 7.75).

Conclusion: Frail CRT patients could be at higher risks of mortality, decompensated heart failure, and may have potentially higher rates of complications. Integrating frailty assessment into pre-CRT evaluation and customizing interventions for frail patients might be an essential steps towards enhancing outcomes in this population.

Citing Articles

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Houghton J Eur Geriatr Med. 2025; 16(1):179-181.

PMID: 39836358 DOI: 10.1007/s41999-025-01154-7.

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