Frailty as a predictor of mortality and readmission rate in secondary mitral regurgitation

R Uzel, Richard Rezar (Co-Autor/-in), RR Bruno, Sarah Wernly (Co-Autor/-in), CS Jung, G Delle Karth, C Datz, F Hoppichler, Bernhard Wernly (Letztautor/-in)

Publikation: Beitrag in FachzeitschriftOriginalarbeitBegutachtung

1 Quellenangabe (Web of Science)

Abstract

Introduction Selection in patients with functional mitral regurgitation (MR) to identify responders to interventions is challenging. In these patients, frailty might be used as a multidimensional parameter to summarize the resilience to stressors. Our objective was to evaluate frailty as a predictor of outcome in patients with moderate to severe secondary MR.Methods We conducted a single-center retrospective observational cohort study and included 239 patients with moderate to severe secondary MR aged 65 years or older between 2014 and 2020. Echocardiography was performed at baseline; frailty was evaluated using the clinical frailty scale (CFS). The combined primary endpoint was hospitalization for heart failure and all-cause mortality.Results A total of 53% (127) of all patients were classified as CFS 4 (living with mild frailty) or higher. Frail patients had a higher risk for the combined endpoint (hazard ratio, HR 3.70, 95% confidence interval, CI 2.12-6.47; p < 0.001), 1-year mortality (HR 5.94, 95% CI 1.76-20.08; p < 0.001) even after adjustment for EuroSCORE2. The CFS was predictive for the combined endpoint (AUC 0.69, 95% CI 0.62-0.75) and outperformed EuroSCORE2 (AUC 0.54, 95% CI 0.46-0.62; p = 0.01). In sensitivity analyses, we found that frailty was associated with adverse outcomes at least in trend in all subgroups.Conclusion For older, medically treated patients with moderate to severe secondary mitral regurgitation, frailty is an independent predictor for the occurrence of death and heart failure-related readmission within 1 year and outperformed the EuroSCORE2. Frailty should be assessed routinely in patients with heart failure to guide clinical decision making for mitral valve interventions or conservative treatment.
OriginalspracheEnglisch
Seiten (von - bis)696-702
Seitenumfang7
FachzeitschriftWIENER KLINISCHE WOCHENSCHRIFT
Jahrgang135
Ausgabenummer23-24
DOIs
PublikationsstatusVeröffentlicht - 12 Jan. 2023

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