JACC. Heart failure · 2023
Disentangling Heart Failure and Physical Frailty: Prospective Study of Patients Undergoing Percutaneous Mitral Valve Repair.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Metze Clemens, Iliadis Christos, Körber Maria I, von Stein Jennifer, Halbach Marcel, Baldus Stephan, Pfister Roman
Аннотация
BACKGROUND: Frailty and heart failure share pathophysiology and clinical characteristics.
OBJECTIVES: The aim of this study was to analyze the contribution of heart failure to the physical frailty phenotype by examining patients with heart failure before and after percutaneous mitral valve repair (PMVR).
METHODS: Frailty according to the Fried criteria (weight loss, weakness, exhaustion, slowness, and low activity) was assessed in consecutive patients before and 6 weeks after PMVR.
RESULTS: A total of 118 of 258 patients (45.7%) (mean age: 78 ± 9 years, 42% female, 55% with secondary mitral regurgitation) were frail at baseline, which significantly decreased to 74 patients (28.7 %) at follow-up (P < 0.001). The frequency of frailty domains slowness, exhaustion, and inactivity significantly decreased, whereas weakness remained unchanged. Baseline frailty was significantly associated with comorbidities, N-terminal pro-B-type natriuretic peptide (NT-proBNP) levels, and functional capacity, whereas frailty after PMVR was not associated with NT-proBNP levels. Predictors of postprocedural reversibility of frailty were NYHA functional class <IV, absence of weakness, and lower frailty score. In comparison with patients who were persistently nonfrail (reference group HR: 1.00), the risk of mortality continuously increased for patients who experienced new frailty (HR: 1.41 [95% CI: 0.41-4.86]), those who had reversal of frailty (HR: 2.17 [95% CI: 1.03-4.57]), and those who were persistently frail (HR: 3.26 [95%: CI 1.62-6.57]; P = 0.006 for trend).
CONCLUSIONS: Treatment of mitral regurgitation in patients with heart failure is associated with almost a halved burden of physical frailty, particularly in patients with a less advanced phenotype. Considering the prognostic relevance of frailty dynamics, this data warrants further evaluation of the concept of frailty as a primary treatment target.
OBJECTIVES: The aim of this study was to analyze the contribution of heart failure to the physical frailty phenotype by examining patients with heart failure before and after percutaneous mitral valve repair (PMVR).
METHODS: Frailty according to the Fried criteria (weight loss, weakness, exhaustion, slowness, and low activity) was assessed in consecutive patients before and 6 weeks after PMVR.
RESULTS: A total of 118 of 258 patients (45.7%) (mean age: 78 ± 9 years, 42% female, 55% with secondary mitral regurgitation) were frail at baseline, which significantly decreased to 74 patients (28.7 %) at follow-up (P < 0.001). The frequency of frailty domains slowness, exhaustion, and inactivity significantly decreased, whereas weakness remained unchanged. Baseline frailty was significantly associated with comorbidities, N-terminal pro-B-type natriuretic peptide (NT-proBNP) levels, and functional capacity, whereas frailty after PMVR was not associated with NT-proBNP levels. Predictors of postprocedural reversibility of frailty were NYHA functional class <IV, absence of weakness, and lower frailty score. In comparison with patients who were persistently nonfrail (reference group HR: 1.00), the risk of mortality continuously increased for patients who experienced new frailty (HR: 1.41 [95% CI: 0.41-4.86]), those who had reversal of frailty (HR: 2.17 [95% CI: 1.03-4.57]), and those who were persistently frail (HR: 3.26 [95%: CI 1.62-6.57]; P = 0.006 for trend).
CONCLUSIONS: Treatment of mitral regurgitation in patients with heart failure is associated with almost a halved burden of physical frailty, particularly in patients with a less advanced phenotype. Considering the prognostic relevance of frailty dynamics, this data warrants further evaluation of the concept of frailty as a primary treatment target.