(1) Good initial weight loss with moderate late regain, anemia, and multiple nutrient deficits was the common pattern. (2) Massive weight loss, frequent vomiting, dumping syndrome, and women in reproductive age were risk factors for hemoglobin or vitamin deficits, whereas superobesity, diabetes, and use of multiple drugs were associated with EWL result. (3) Most laboratory tests became stable by 2 years and along with BMI correlated with late EWL. (4) Two-year nutritional investigation is especially recommended because of its long-term predictive value.
RESUMOObjetivos: Os objetivos do estudo foram normatizar o gasto metabólico de repouso (GMR) de mulheres brasileiras, avaliar a adequação da fórmula de Harris Benedict (HB), a relação entre suas variáveis e propor novas equações para estimativa do GMR. InTRODUçãO I ndependentemente do fator básico desencadeador da obesidade, um desequilíbrio no balanço energético (BE), ou seja, entre a ingestão calórica total (IC) e o gasto energético total (GET), está intimamente relacionado à sua alta prevalência (1).O principal componente do GET é o gasto metabó-lico de repouso (GMR), o qual pode ser um preditor de ganho de peso (2-5).
The aim of this study was to evaluate if obese women with the lowest values of caloric intake (CI) determined by food questionnaire also present the lowest values of resting metabolic rate (RMR), which could lead to excessive weight gain, caused by changes in energy balance. With this purpose, 77 obese women, with IMC>30 kg/m2, aged 20 to 45 years, had their physical activity level and CI evaluated. According to the values of CI obtained from food intake reports, the participants were divided in 3 groups: low (G1), medium (G2), high (G3) CI and were submitted to indirect calorimetry. Height, weight, body surface area (BSA), fat free mass and fat mass measured by bioimpedance were evaluated. The highest values of weight, BSA an fat mass were obtained in G1, as well as values above 1.2 for the CI:RMR ratio, which indicates a probable underestimation of CI. The highest values of physical activity and RMR were observed in the G3 (with high caloric intake). In conclusion, this paper shows that a tendency towards underestimation of self-reported caloric intake exists among obese women and that the maintenance of weight in some patients can be due to their low level of physical activity.
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