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Android to gynoid fat ratio and its association with functional capacity in male patients with heart failure.

ABSTRACT: AIMS:We studied the association between android (A) to gynoid (G) fat ratio and functional capacity (peak VO2 ) in male patients with heart failure with reduced ejection fraction (HFrEF). METHODS AND RESULTS:We enrolled 118 male patients with HFrEF with left ventricular ejection fraction (LVEF) <40%. Body composition (by using dual x-ray absorptiometry) and peak VO2 (by cardiopulmonary exercise testing) were measured. Sarcopenic obesity was defined according to the Foundation for the National Institutes of Health criteria (FNIH). Blood sample for metabolic and hormonal parameters were measured. Fifteen patients (12.7%) showed sarcopenic obesity (body mass index > 25 kg/m2 with FNIH index < 0.789). The median A/G ratio was 0.55. A/G ratio > 0.55 was detected in 60 patients. Relative peak VO2 was lower in patients with A/G ratio > 0.55 than in patients with A/G ratio <0.55 (18.7 ± 5.3 vs. 22.5 ± 6.1 mL/kg/min, P < 0.001). Logistic regression analysis showed A/G ratio >0.55 to be independently associated with reduced peak VO2 adjusted for age, body mass index, LVEF, presence of sarcopenia, anabolic hormones, and haemoglobin (odds ratio 3.895, 95% confidence interval 1.030-14.730, P = 0.045). CONCLUSIONS:Body fat distribution, particularly android and gynoid fat composition, together with other cofactors, might have an important adverse role on functional capacity in male patients with HFrEF. Future studies are needed to address possible mechanisms involved in this relationship.

SUBMITTER: Dos Santos MR

PROVIDER: S-EPMC7261564 | biostudies-literature | 2020 Jun

REPOSITORIES: biostudies-literature

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Android to gynoid fat ratio and its association with functional capacity in male patients with heart failure.

Dos Santos Marcelo Rodrigues MR da Fonseca Guilherme Wesley Peixoto GWP Sherveninas Letícia Pironato LP de Souza Francis Ribeiro FR Battaglia Filho Antônio Carlos AC Novaes Caio Eduardo CE Pereira Rosa Maria Rodrigues RMR Negrão Carlos Eduardo CE Barretto Antônio Carlos Pereira ACP Alves Maria-Janieire de Nazaré Nunes MNN

ESC heart failure 20200327 3

<h4>Aims</h4>We studied the association between android (A) to gynoid (G) fat ratio and functional capacity (peak VO<sub>2</sub> ) in male patients with heart failure with reduced ejection fraction (HFrEF).<h4>Methods and results</h4>We enrolled 118 male patients with HFrEF with left ventricular ejection fraction (LVEF) <40%. Body composition (by using dual x-ray absorptiometry) and peak VO<sub>2</sub> (by cardiopulmonary exercise testing) were measured. Sarcopenic obesity was defined according ...[more]

PMID: 32220062

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Project description:BackgroundNonalcoholic fatty liver disease (NAFLD) is becoming a severe global public health problem, and can developed into fibrotic nonalcoholic steatohepatitis (NASH), but its risk factors have not been fully identified. The objective of this study was to investigate the association between the android-to-gynoid fat ratio (A/G ratio) and the prevalence of NAFLD.MethodsThis cross-sectional study is based on the 2003-2006 and 2011-2018 cycles of the National Health and Nutrition Examination Survey and included 10,989 participants. Participants aged 20 and older without viral hepatitis or significant alcohol consumption were included. Dual-energy X-ray absorptiometry was used to assess body composition. NAFLD was diagnosed using the United States fatty liver index (US FLI). Multivariable logistic regression models were used to evaluate the association between the A/G ratio and NAFLD.ResultsThe prevalence of NAFLD was 32.15% among the study population. Android percent fat and the A/G ratio were significantly higher in patients with NAFLD than in those without NAFLD [41.68% (0.25) vs. 32.80% (0.27), p < 0.001; 1.14 ± 0.01 vs. 0.94 ± 0.00, p < 0.001, respectively]. Logistic regression analysis showed that android percent fat was positively correlated to NAFLD (OR: 1.15, 95% CI: 1.11-1.18), while gynoid percent fat was negatively correlated to NAFLD (OR: 0.92, 95% CI: 0.90-0.94), and the A/G ratio was significantly associated with the prevalence of NAFLD (OR: 1.59, 95% CI: 1.38-1.82) and fibrotic NASH (OR: 2.01, 95% CI: 1.71-2.38). We also found that females had a notably diminished A/G ratio compared with males (0.91 vs. 1.12, p < 0.001). In addition, the female population proportion was negatively correlated with the A/G ratio, which may partly explain the lower prevalence of NAFLD in females. What is more, the OR value of the A/G ratio in the female subgroup was much higher than that in the male subgroup in all adjusted models.ConclusionA/G ratio is significantly associated with NAFLD and fibrotic NASH. Women have a lower A/G ratio than men, which may explain the sex difference in NAFLD prevalence. Furthermore, with a higher A/G ratio, the association between females and NAFLD are greatly elevated.

Dataset Information

Android to gynoid fat ratio and its association with functional capacity in male patients with heart failure.

Publications

Android to gynoid fat ratio and its association with functional capacity in male patients with heart failure.

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