Miopenia e mioesteatose em pacientes hospitalizados com sobrepeso e obesidade
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Resumo
Objetivo: Avaliar a composição corporal, presença de miopenia e mioesteatose em população com excesso de peso hospitalizada e identificar preditores para longo tempo de internamento. Métodos: Estudo observacional, do tipo longitudinal, realizado com pacientes com sobrepeso e obesidade internados em instituição terciária pública. Foram coletadas variáveis sociodemograficas, clínicas e nutricionais. A hospitalização ≥16 dias foi considerada longa. A composição corporal foi definida pelas imagens de tomografia computadorizada, sendo obtidas as áreas e índices da massa muscular esquelética (MME) e tecidos adiposos; e, presença de miopenia e mioesteatose. Resultados: A amostra foi constituída por 158 pacientes e a longa permanência hospitalar foi verificada em 43,0%. A frequência de miopenia e mioesteatose foi de 24,7% e 63,3%, respectivamente. Pacientes com mioesteatose e aqueles que tinham, ambos, miopenia e mioesteatose eram maioria feminina, mais velhos, neoplásicos, possuíam risco para sarcopenia, risco nutricional e desnutrição; além de apresentarem menos MME e maiores quantidades de tecido adiposo. Apenas mioesteatose foi considerada fator de risco independente para longa hospitalização, aumentando em cinco vezes a probabilidade de internação ≥16 dias. Conclusão: Mioesteatose é frequente em pacientes hospitalizados com excesso de peso, sendo um fator de risco independente para longa permanência hospitalar.
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