ArticleJournal of the American Heart Association2024
Reduced Fetuin-A Levels Are Associated With Exercise Intolerance and Predict the Risk of Adverse Outcomes in Patients With Heart Failure: The Role of Cardiac-Hepatic-Peripheral Interaction.
Article in Journal of the American Heart Association, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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13 authors.
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Abstract
backgroundExercise intolerance in heart failure arises from multifactorial pathophysiological mechanisms. Hepatokines, liver-synthesized molecules, regulate systemic metabolisms in peripheral tissues. We previously identified the hepatokine fetuin-A as being linked to liver hypoperfusion in heart failure. Here, we investigated the role of fetuin-A in connecting cardiac-hepatic-peripheral interaction. METHODS AND
resultsWe conducted a prospective study involving 202 consecutive hospitalized patients (mean age, 56.8 years; 76.2% men) with heart failure who underwent cardiopulmonary exercise testing. We measured the serum concentration of fetuin-A by ELISA. Correlation analysis revealed a negative association between fetuin-A levels and the ratio of minimum minute ventilation to carbon dioxide production, its slope, and a tendency toward a positive correlation with peak oxygen uptake. Patients with impaired exercise tolerance exhibited lower fetuin-A levels. During a median follow-up of 1045 days, 18.3% experienced cardiac events, including 4 cardiac deaths and 33 cases of worsening heart failure. Classification and regression tree analysis identified a high-risk subgroup with lower fetuin-A (<24.3 mg/L) and impaired exercise tolerance (peak oxygen uptake<14.2 mL/kg per min). Kaplan-Meier analysis revealed that this subgroup had the highest risk of cardiac events. In a multivariable Cox proportional hazard model, the combination of lower fetuin-A and exercise intolerance was independently associated with increased risks of cardiac events.
conclusionsReduced circulating fetuin-A levels were associated with exercise intolerance in heart failure patients. Fetuin-A could emerge as a target implicated in exercise capacity connecting cardiac-hepatic-peripheral interaction and as a valuable biomarker for predicting prognosis when combined with peak oxygen uptake.
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