European journal of heart failure · 2025
Prognostic significance of unintentional weight loss in heart failure with preserved ejection fraction.
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Ibe Tatsuro, Demmer Ryan T, Harada Tomonari, Doi Shunichi, Tada Atsushi, Naser Jwan A, Reddy Yogesh N V, Borlaug Barry A
Аннотация
AIMS: While intentional weight loss achieved through cardiometabolic medications has been associated with robust salutary effects in heart failure (HF) with preserved ejection fraction (HFpEF), the clinical significance of unintentional weight loss in this setting remains unclear.
METHODS AND RESULTS: This retrospective cohort study included 434 overweight or obese patients with invasively proven HFpEF (67 ± 11 years, 236 female), without weight-reducing therapies or known malignancy, who underwent invasive hemodynamic cardiopulmonary testing and long-term clinical follow-up. The annualized weight change from index to final evaluation for the tertiles was: -21.1 to -1.8 kg/year (tertile 1); -1.8 to 0 kg/year (tertile 2); and 0 to +17.0 kg/year (tertile 3). Patients in tertile 1 had subtle abnormalities in ventilatory control at baseline, but there were no other significant differences between groups across a vast array of haemodynamic and metabolic parameters, both at rest and during exercise. Baseline weight was directly correlated with right and left heart filling pressures (r = 0.23-0.34, p < 0.001), but annualized weight change showed no correlation with any baseline haemodynamic measurements (all p > 0.05). Over a median follow-up of 4.7 years (interquartile range 2.3-6.5), patients in tertile 1 had higher risk of all-cause death (hazard ratio [HR] 3.36, 95% confidence interval [CI] 1.77-6.39, p < 0.001), all-cause death or HF hospitalization (HR 2.49, 95% CI 1.53-4.04, p < 0.001) and cardiac death or HF hospitalization (HR 2.28, 95% CI 1.28-4.07, p = 0.005) compared with those in tertile 2 or 3. These findings were consistent after multivariable adjustment.
CONCLUSIONS: Unintentional weight loss is associated with worse prognosis in patients with HFpEF and overweight or obesity, even as haemodynamics, exercise capacity, and gas exchange are not different from patients with stable or increasing weight. These data underline important and fundamental differences between therapeutic and unintended weight loss in HFpEF.
METHODS AND RESULTS: This retrospective cohort study included 434 overweight or obese patients with invasively proven HFpEF (67 ± 11 years, 236 female), without weight-reducing therapies or known malignancy, who underwent invasive hemodynamic cardiopulmonary testing and long-term clinical follow-up. The annualized weight change from index to final evaluation for the tertiles was: -21.1 to -1.8 kg/year (tertile 1); -1.8 to 0 kg/year (tertile 2); and 0 to +17.0 kg/year (tertile 3). Patients in tertile 1 had subtle abnormalities in ventilatory control at baseline, but there were no other significant differences between groups across a vast array of haemodynamic and metabolic parameters, both at rest and during exercise. Baseline weight was directly correlated with right and left heart filling pressures (r = 0.23-0.34, p < 0.001), but annualized weight change showed no correlation with any baseline haemodynamic measurements (all p > 0.05). Over a median follow-up of 4.7 years (interquartile range 2.3-6.5), patients in tertile 1 had higher risk of all-cause death (hazard ratio [HR] 3.36, 95% confidence interval [CI] 1.77-6.39, p < 0.001), all-cause death or HF hospitalization (HR 2.49, 95% CI 1.53-4.04, p < 0.001) and cardiac death or HF hospitalization (HR 2.28, 95% CI 1.28-4.07, p = 0.005) compared with those in tertile 2 or 3. These findings were consistent after multivariable adjustment.
CONCLUSIONS: Unintentional weight loss is associated with worse prognosis in patients with HFpEF and overweight or obesity, even as haemodynamics, exercise capacity, and gas exchange are not different from patients with stable or increasing weight. These data underline important and fundamental differences between therapeutic and unintended weight loss in HFpEF.