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Nutrición Hospitalaria

versión On-line ISSN 1699-5198versión impresa ISSN 0212-1611

Resumen

OLIVEIRA, Tatiane Melo de et al. Sarcopenic obesity in community-dwelling older women, determined by different diagnostic methods. Nutr. Hosp. [online]. 2019, vol.36, n.6, pp.1267-1272.  Epub 24-Feb-2020. ISSN 1699-5198.  http://dx.doi.org/10.20960/nh.02593.

Background:

sarcopenic obesity (SO) decreases functional capacity, favors loss of autonomy, and is associated with increased mortality in the elderly. The prevalence of sarcopenic obesity differs according to the chosen diagnostic method and/or the population studied.

Objective:

to identify sarcopenic obesity in community-dwelling elderly women using different diagnostic methods.

Methods:

this is a cross-sectional study involving 138 elderly women enrolled in an Open University of the Third Age. Sarcopenia was defined according to three criteria a skeletal muscle index (SMI) ≤ 6.42 kg/m2; reduced muscle strength, defined by handgrip strength (HS) < 20 kg/f; and reduced physical performance, determined by a usual gait speed (GS) < 0.8 m/s. Obesity was diagnosed when body mass index (BMI) > 28 kg/m2, waist circumference (WC) > 88 cm2, total body fat percentage (TBF%) determined by bioelectric impedance analysis (BIA) ≥ 38%, and value for triceps skinfold (TS) ≥ 85th percentile. Sarcopenic obesity is the coexistence of sarcopenia and obesity.

Results:

the prevalence of sarcopenia and severe sarcopenia was 14.5% and 3.6%, respectively. The highest prevalence of obesity was found using WC (69.6%) and TBF% (52.9%) (p < 0.001). The highest prevalence of sarcopenic obesity was found using TBF% (9.4%) and WC (6.5%) (p < 0.001). Sarcopenic obesity according to BMI was only 0.7%.

Conclusion:

the prevalence of sarcopenic obesity was high and depended on the diagnostic criteria applied. The association of TBF% with the diagnosis of sarcopenia was the method that identified the highest prevalence of sarcopenic obesity.

Palabras clave : Sarcopenic obesity; Body composition; Elderly.

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