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Sarcopenic Obesity: Correlation with Clinical, Functional, and Psychological Status in a Rehabilitation Setting

Obesity and sarcopenia combination, appropriately defined as sarcopenic obesity (SO), due to disproportionally reduced/low lean body mass compared to excess fat mass, may lead to disability. The aim of this study was to investigate the relationship among sarcopenic obesity, physical performance, disability, and quality of life in a rehabilitation setting.

Participants were recruited among all obese patients admitted to the rehabilitation facility at the Department of Experimental Medicine—Medical Physiopatology, Food Science and Endocrinology Section—from January to December 2011. All the evaluations (body composition, functional, health, disability and quality of life assessments, laboratory data) were performed during the first week after admission by a physician skilled in clinical nutrition. A multidimensional evaluation was performed through bioelectrical impedance analysis and anthropometry, handgrip strength test, Short Physical Performance Battery (SPPB), 6-minute walk test (6MWT) and blood chemistry parameters. Psychological status (SCL-90 questionnaire), quality of life, and comorbidity (Charlson comorbidity index score) were also evaluated. Obesity was diagnosed as increased fat mass by 35% in women and by 25% in men. Sarcopenia was defined if lean body mass (LBM) was <90% of the subject’s ideal LBM. 79 patients (48 women and 31 men; mean age: 60.1 ± 11.5 years old, and 58.6 ± 10.8 years old, respectively) were enrolled.

Results showed a high prevalence of SO (54.4%) in the samples of obese subjects. Sarcopenia was present not only among older obese adults but also among younger obese subjects, and was related to reduced functional performance, to inflammatory status and to worse psychological status and quality of life. Further research should be prompted to confirm the validity of the proposed definition of sarcopenia adapted to obese subjects, focusing on muscle quality and composition and to define specific nutritional, psychological, and functional rehabilitation programs for sarcopenic obese subjects, aimed at modifying body composition (increasing LBM while decreasing FM) and improving functional parameters and quality of life.


Article by Lorenzo M. Donini, et al, from Italy.

Full access: http://mrw.so/5oIsvT

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