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Anabolic Status and Functional Impairment in Men With Mild Chronic Heart Failure

Pastor-Pérez, Francisco J., MD ; Manzano-Fernández, Sergio, MD, PhD ; Garrido Bravo, Iris P., MD ; Nicolás, Francisco, MD ; Tornel, Pedro L., MD, PhD ; Lax, Antonio, PhD ; de la Morena, Gonzalo, MD, PhD ; Valdés, Mariano, MD, PhD ; Pascual-Figal, Domingo A., MD, PhD

The American journal of cardiology, 2011-09, Vol.108 (6), p.862-866 [Periódico revisado por pares]

New York, NY: Elsevier Inc

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Título:
Anabolic Status and Functional Impairment in Men With Mild Chronic Heart Failure
Autor: Pastor-Pérez, Francisco J., MD ; Manzano-Fernández, Sergio, MD, PhD ; Garrido Bravo, Iris P., MD ; Nicolás, Francisco, MD ; Tornel, Pedro L., MD, PhD ; Lax, Antonio, PhD ; de la Morena, Gonzalo, MD, PhD ; Valdés, Mariano, MD, PhD ; Pascual-Figal, Domingo A., MD, PhD
Assuntos: Biological and medical sciences ; Cardiology ; Cardiology. Vascular system ; Cardiovascular ; Chronic Disease ; Dehydroepiandrosterone - deficiency ; Echocardiography ; Electrocardiography ; Exercise ; Exercise Test ; Exercise Tolerance ; Heart ; Heart failure ; Heart Failure - metabolism ; Heart Failure - physiopathology ; Heart failure, cardiogenic pulmonary edema, cardiac enlargement ; Hormones ; Humans ; Insulin-Like Growth Factor I - deficiency ; Male ; Medical sciences ; Mens health ; Middle Aged ; Multivariate Analysis ; Oxygen Consumption ; Predictive Value of Tests ; Prognosis ; Respiratory Function Tests ; Testosterone - deficiency
É parte de: The American journal of cardiology, 2011-09, Vol.108 (6), p.862-866
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
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Descrição: The purpose of this study was to establish the role of hormonal anabolic deficiencies in exercise intolerance in patients with chronic heart failure One hundred four consecutive men (mean age 53.1 ± 10.6 years) with established diagnoses of chronic heart failure were included. At enrollment, blood samples were taken, and echocardiography and cardiopulmonary exercise testing were carried out. Exercise capacity was expressed as peak oxygen consumption (V o2 ), predicted peak V o2 , and the ventilatory response to exercise (VE/V co2 ) slope. The mean left ventricular ejection fraction was 29.7 ± 11.9%, and most patients (86%) were in New York Heart Association class I or II, with a mean peak V o2 of 18 ml/min/kg. According to the age-adjusted reference values, hormonal deficiencies were present in 29% for total testosterone, 39% for estimated free testosterone, 34% for insulin-like growth factor–1, and 61% for dehydroepiandrosterone sulfate. Dehydroepiandrosterone sulfate showed a significant correlation with peak V o2 (r = 0.29, p = 0.007), predicted peak V o2 (r = 0.28, p = 0.006), and VE/V co2 slope (r = −0.39, p <0.001), whereas total testosterone, estimated free testosterone, and insulin-like growth factor–1 were not significantly correlated. After adjusting in a multivariable model, dehydroepiandrosterone sulfate remained an independent predictor of each exercise parameter. In conclusion, in a cohort of patients with mild chronic heart failure, exercise capacity objectively measured using cardiopulmonary exercise testing was related to anabolic impairment of the adrenal rather than the somatotropic or peripheral axis.
Editor: New York, NY: Elsevier Inc
Idioma: Inglês

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Anabolic Status and Functional Impairment in Men With Mild Chronic Heart Failure

Pastor-Pérez, Francisco J., MD ; Manzano-Fernández, Sergio, MD, PhD ; Garrido Bravo, Iris P., MD ; Nicolás, Francisco, MD ; Tornel, Pedro L., MD, PhD ; Lax, Antonio, PhD ; de la Morena, Gonzalo, MD, PhD ; Valdés, Mariano, MD, PhD ; Pascual-Figal, Domingo A., MD, PhD

New York, NY: Elsevier Inc

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