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Anorexia, functional capacity, and clinical outcome in patients with chronic heart failure: results from the Studies Investigating Co-morbidities Aggravating Heart Failure (SICA-HF).

ABSTRACT: AIMS:We aimed to assess determinants of anorexia, that is loss of appetite in patients with heart failure (HF) and aimed to further elucidate the association between anorexia, functional capacity, and outcomes in affected patients. METHODS AND RESULTS:We assessed anorexia status among 166 patients with HF (25 female, 66 ± 12 years) who participated in the Studies Investigating Co-morbidities Aggravating HF. Anorexia was assessed by a 6-point Likert scale (ranging from 0 to 5), wherein values ?1 indicate anorexia. Functional capacity was assessed as peak oxygen uptake (peak VO2 ), 6 min walk test, and short physical performance battery test. A total of 57 patients (34%) reported any anorexia, and these patients showed lower values of peak VO2 , 6 min walk distance, and short physical performance battery score (all P < 0.05). Using multivariate analysis adjusting for clinically important factors, only high-sensitivity C-reactive protein [odds ratio (OR) 1.24, P = 0.04], use of loop diuretics (OR 5.76, P = 0.03), and the presence of cachexia (OR 2.53, P = 0.04) remained independent predictors of anorexia. A total of 22 patients (13%) died during a mean follow-up of 22.5 ± 5.1 months. Kaplan-Meier curves for cumulative survival showed that those patients with anorexia presented higher mortality (Log-rank test P = 0.03). CONCLUSIONS:Inflammation, use of loop diuretics, and cachexia are associated with an increased likelihood of anorexia in patients with HF, and patients with anorexia showed impaired functional capacity and poor outcomes.

SUBMITTER: Saitoh M

PROVIDER: S-EPMC5695184 | biostudies-literature | 2017 Nov

REPOSITORIES: biostudies-literature

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Anorexia, functional capacity, and clinical outcome in patients with chronic heart failure: results from the Studies Investigating Co-morbidities Aggravating Heart Failure (SICA-HF).

Saitoh Masakazu M Dos Santos Marcelo R MR Emami Amir A Ishida Junichi J Ebner Nicole N Valentova Miroslava M Bekfani Tarek T Sandek Anja A Lainscak Mitja M Doehner Wolfram W Anker Stefan D SD von Haehling Stephan S

ESC heart failure 20170927 4

<h4>Aims</h4>We aimed to assess determinants of anorexia, that is loss of appetite in patients with heart failure (HF) and aimed to further elucidate the association between anorexia, functional capacity, and outcomes in affected patients.<h4>Methods and results</h4>We assessed anorexia status among 166 patients with HF (25 female, 66 ± 12 years) who participated in the Studies Investigating Co-morbidities Aggravating HF. Anorexia was assessed by a 6-point Likert scale (ranging from 0 to 5), whe ...[more]

PMID: 28960880

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Project description:ObjectivesTo examine the relationship between N-terminal pro-brain natriuretic peptide (NT-proBNP) and exercise capacity in a large contemporary cohort of patients with chronic heart failure.BackgroundNatriuretic peptides such as NT-proBNP are important biomarkers in heart failure. The relationship between NT-proBNP and exercise capacity has not been well studied.MethodsWe analyzed the relationship between baseline NT-proBNP and peak oxygen uptake (peak VO(2)) or distance in the 6-minute walk test in 1383 subjects enrolled in the HF-ACTION study. Linear regression models were used to analyze the relationship between NT-proBNP and peak Vo(2) or distance in the 6-minute walk test in the context of other clinical variables. Receiver operator curve analysis was used to evaluate the ability of NT-proBNP to accurately predict a peak VO(2) <12 mL/kg per minute.ResultsNT-proBNP was the most powerful predictor of peak VO(2) (partial R(2) = 0.13, P < .0001) of 35 candidate variables. Although NT-proBNP was also a predictor of distance in the 6-minute walk test, this relationship was weaker than that for peak VO(2) (partial R(2) = 0.02, P < .0001). For both peak VO(2) and distance in the 6-minute walk test, much of the variability in exercise capacity remained unexplained by the variables tested. Receiver operator curve analysis suggested NT-proBNP had moderate ability to identify patients with peak VO(2) <12 mL/kg per minute (c-index, 0.69).ConclusionsIn this analysis of baseline data from HF-ACTION, NT-proBNP was the strongest predictor of peak VO(2) and a significant predictor of distance in the 6-minute walk test. Despite these associations, NT-proBNP demonstrated only modest performance in identifying patients with a low peak VO(2) who might be considered for cardiac transplantation. These data suggest that, although hemodynamic factors are important determinants of exercise capacity, much of the variability in exercise performance in heart failure remains unexplained by traditional clinical and demographic variables.

Project description:The purpose of this study was to determine whether exercise training is associated with an increased risk of implantable cardioverter-defibrillator (ICD) therapy in patients with heart failure (HF).Few data are available regarding the safety of exercise training in patients with ICDs and HF.HF-ACTION (Heart Failure and A Controlled Trial Investigating Outcomes of Exercise TraiNing) randomized 2,331 outpatients with HF and an ejection fraction (EF) ≤35% to exercise training or usual care. Cox proportional hazards modeling was used to examine the relationship between exercise training and ICD shocks.We identified 1,053 patients (45%) with an ICD at baseline who were randomized to exercise training (n = 546) or usual care (n = 507). Median age was 61 years old, and median EF was 24%. Over a median of 2.2 years of follow-up, 20% (n = 108) of the exercise patients had a shock versus 22% (n = 113) of the control patients. A history of sustained ventricular tachycardia/fibrillation (hazard ratio [HR]: 1.93 [95% confidence interval (CI): 1.47 to 2.54]), previous atrial fibrillation/flutter (HR: 1.63 [95% CI: 1.22 to 2.18]), exercise-induced dysrhythmia (HR: 1.67 [95% CI: 1.23 to 2.26]), lower diastolic blood pressure (HR for 5-mm Hg decrease <60: 1.35 [95% CI: 1.12 to 1.61]), and nonwhite race (HR: 1.50 [95% CI: 1.13 to 2.00]) were associated with an increased risk of ICD shocks. Exercise training was not associated with the occurrence of ICD shocks (HR: 0.90 [95% CI: 0.69 to 1.18], p = 0.45). The presence of an ICD was not associated with the primary efficacy composite endpoint of death or hospitalization (HR: 0.99 [95% CI: 0.86 to 1.14], p = 0.90).We found no evidence of increased ICD shocks in patients with HF and reduced left ventricular function who underwent exercise training. Exercise therapy should not be prohibited in ICD recipients with HF. (Exercise Training Program to Improve Clinical Outcomes in Individuals With Congestive Heart Failure; NCT00047437)

Dataset Information

Anorexia, functional capacity, and clinical outcome in patients with chronic heart failure: results from the Studies Investigating Co-morbidities Aggravating Heart Failure (SICA-HF).

Publications

Anorexia, functional capacity, and clinical outcome in patients with chronic heart failure: results from the Studies Investigating Co-morbidities Aggravating Heart Failure (SICA-HF).

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