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标题：Puntos de corte de la masa muscular apendicular esquelética para identificar la sarcopenia en los adultos mayores de Brasil: un estudio transversal
其他标题：Cut-off points of appendicular lean soft tissue for identifying sarcopenia in the older adults in Brazil: a cross-sectional study
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作者：Abdalla, Pedro Pugliesi ; Silva, Analiza Mónica ; Venturini, Ana Claudia Rossini 等
期刊名称：Nutrición Hospitalaria
印刷版ISSN：0212-1611
出版年度：2020
卷号：37
期号：2
页码：306-312
DOI：10.20960/nh.02951
出版社：Aula Médica Ediciones
摘要：Introduction: appropriate appendicular lean soft tissue (ALST) parameters to identify sarcopenia in Brazil are scarce. The use of international references may lead to a false positive diagnosis. The objective was to propose cut-off points to identify sarcopenia in older men and women using DXA-derived ALST values from a young adult population. Methods: this was an observational study with a cross-sectional analysis. University students of both sexes (n = 125), aged 20 to 30 years, underwent anthropometric measurements and DXA scanning to obtain their ALST (kg). Cut-off points for sarcopenia were set at -2 standard deviations (-2SDs) away from the mean ALST of a young sample. Absolute values and index (ALST/height2, ALST/weight, and ALST/body mass index [BMI]) were considered as recommended by international consensus. Results: compared to women, men presented higher values of weight, height, BMI, bone mineral content, lean soft tissue, ALST, and ALST index (kg/m²). Only fat mass was higher in women, and age was not different between genders. The -2SD ALST index obtained were ≤ 6.56 kg/m² for men and ≤ 4.67 kg/m² for women. They were below international and national values, which tended to classify false positives. Conclusions: the -2SD ALST values proposed here are validated cut-offs for identifying low muscle in older adults and to prevent misdiagnosis with sarcopenia. In addition, they contribute to efficient monitoring and control of this disease in geriatric populations.
关键词：Antropometría;Absorciometría;Fragilidad;Sarcopenia;Envejecimiento;Brasil
其他关键词：Anthropometry;Absorptiometry;Frailty;Sarcopenia;Ageing;Brazil