BRUNO RODRIGUES
Projetos de Pesquisa
Unidades Organizacionais
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- Sleep duration in elderly obese patients correlated negatively with intake fatty(2012) SANTANA, Aline Alves; PIMENTEL, Gustavo Duarte; ROMUALDO, Monica; OYAMA, Lila Missae; SANTOS, Ronaldo Vagner Thomatieli; PINHO, Ricardo Aurino; SOUZA, Claudio Teodoro de; RODRIGUES, Bruno; CAPERUTO, Erico Chagas; LIRA, Fabio SantosStudy objectives: The purpose of the present study was to evaluate the relationship between sleep duration and dietary habits in elderly obese patients treated at an institute of cardiology. Methods: The fifty-eight volunteers were elderly patients with obesity (classified as obese according to BMI) of both genders, between 60 and 80 years of age. All participants were subjected to assessments of food intake, anthropometry, level of physical activity, and duration of sleep. Results: The men had significantly greater weight, height, and waist circumference than women. Sleep durations were correlated with dietary nutrient compositions only in men. We found a negative association between short sleep and protein intake (r = -0.43; p = 0.02), short sleep and monounsaturated fatty acids intake (r = -0.40; p = 0.03), and short sleep and cholesterol dietary intake (r = -0.50; p = 0.01). Conclusions: We conclude that mainly in men, volunteers that had short sleep duration showed a preference for high energy-density as fatty food, at least in part, may explain the relationship between short sleep duration and the development of metabolic abnormalities.
- Ventricular and autonomic benefits of exercise training persist after detraining in infarcted rats(2013) BARBOZA, Catarina Andrade; ROCHA, Leandro Yanase; MOSTARDA, Cristiano Teixeira; FIGUEROA, Diego; CAPERUTO, Erico Chagas; ANGELIS, Katia De; IRIGOYEN, Maria Claudia; RODRIGUES, BrunoWe evaluate the effects of detraining (DT, for 1 month) on the left ventricular (LV) remodeling and function, hemodynamic and baroreflex sensitivity (BRS), as well as on mortality rate of infarcted (MI) rats after 3 months of exercise training (ET, 50-70 % of VO2max). Male Wistar rats were divided into five groups: control (C, n = 10), untrained-infarcted (UI, n = 15), trained-infarcted (TI, n = 12), untrained-infarcted plus 1 month (UI-1, n = 15) and detrained-infarcted 1 month (DI-1, n = 15). LV function was evaluated by echocardiography at the initial and final of the protocols. After following, ET and/or DT protocols, hemodynamic and BRS [by tachycardic (TR) and bradycardic (BR) responses] were assessed. TI group displayed increased VO2max in comparison with UI and DI-1 groups; however, DI-1 values remained increased compared to UI-1 group. MI area was reduced by ET and maintained after DT. Ejection fraction (TI = 60 +/- A 2 and DI-1 = 61 +/- A 2 % vs. UI = 41 +/- A 1 and UI-1 = 37 +/- A 3 %), E/A ratio (TI = 1.6 +/- A 0.1 and DI-1 = 1.9 +/- A 0.1 vs. UI = 2.9 +/- A 0.2 and UI-1 = 2.9 +/- A 0.3), TR (TI = 3.3 +/- A 0.3 and DI-1 = 3.3 +/- A 0.4 vs. UI = 1.7 +/- A 0.1 and UI-1 = 1.6 +/- A 0.1 bpm/mmHg) and BR (TI = -2.2 +/- A 0.1 and DI-1 = -2.0 +/- A 0.1 vs. UI = -1.3 +/- A 0.09 and UI-1 = -1.2 +/- A 0.09 bpm/mmHg) were improved by ET and maintained after DT in comparison with untrained rats. These changes resulted in mortality reduction in the TI (8 %) and DI-1 groups (13 %) compared with the UI (46 %) and UI-1 (53 %) groups. These findings indicate that ET is not only an effective tool in the management of cardiovascular and autonomic MI derangements, but also that these positive changes were maintained even after 1 month of DT in rats.