Ângulo de fase como método de triagem para sarcopenia em idosas ativas de comunidade
Palavras-chave:
Idoso, Impedância Elétrica, SarcopeniaResumo
Objetivo
Avaliar o ângulo de fase como método de triagem para sarcopenia.
Métodos
Estudo transversal realizado com 169 idosas ativas de comunidade. O ângulo de fase foi obtido por bioimpedância elétrica tetrapolar e a sarcopenia foi diagnosticada a partir da massa muscular esquelética, força muscular e performance física utilizando bioimpedância elétrica, dinamometria manual e o teste de velocidade de marcha, respectivamente. A curva Receiver Operating Characteristic foi construída para avaliar o ângulo de fase como preditor de sarcopenia.
Resultados
A prevalência de sarcopenia foi de 12,4%. A mediana do ângulo de fase foi de 5,30°; idosas com sarcopenia apresentaram valores menores do ângulo de fase em relação às não sarcopênicas (p=0,024). O ponto de corte do ângulo de fase para identificar sarcopenia foi ≤ 5,15°, com área sob a curva de 0,685, sensibilidade de 81,0%, especificidade de 60,8% e acurácia de 63,31%. Observou-se que idosas com ângulo de fase reduzido apresentaram maior chance de terem massa muscular reduzida e sarcopenia.
Conclusão
O ângulo de fase se mostrou útil para triagem de idosas com sarcopenia.
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Copyright (c) 2023 Lidiane Barbosa SANTIAGO, Anna Karla Carneiro RORIZ, Carolina Cunha de OLIVEIRA, Tatiane Melo de OLIVEIRA, Maria Ester Pereira da CONCEIÇÃO-MACHADO, Lilian Barbosa RAMOS
Este trabalho está licenciado sob uma licença Creative Commons Attribution 4.0 International License.
