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EPISODE · Feb 20, 2026 · 29 MIN

Sarcopenia

from Mednews: notícias e debate sobre as melhores evidências científicas em medicina e saúde

A sarcopenia é uma condição caracterizada pela perda progressiva de força, massa e qualidade muscular, frequentemente associada ao envelhecimento. O diagnóstico moderno prioriza a avaliação da função física e da força em vez de focar apenas na massa muscular, utilizando testes de desempenho e ferramentas de rastreio como o questionário SARC-F. A fisiopatologia revela um desequilíbrio entre processos anabólicos e catabólicos, influenciado por inflamação crônica, disbiose intestinal, disfunção mitocondrial e resistência anabólica. As evidências indicam que a intervenção mais eficaz é o exercício de resistência, que pode ser potencializado por estratégias nutricionais, como o consumo adequado de proteínas e leucina. Além disso, os textos destacam a conexão da sarcopenia com doenças neurodegenerativas, obesidade e diabetes, reforçando a necessidade de uma abordagem terapêutica multidisciplinar. Referencias:1- Sarcopenia. Nat Rev Dis Primers. 2024 Sep 19;10(1):68. doi: 10.1038/s41572-024-00550-w.2- The Diagnosis and Treatment of Sarcopenia and Sarcopenic Obesity. Dtsch Arztebl Int. 2025 Mar 7;122(5):121-126. doi: 10.3238/arztebl.m2025.0004.3- Sarcopenia in the Aging Process: Pathophysiological Mechanisms, Clinical Implications, and Emerging Therapeutic Approaches. Int J Mol Sci. 2025 Dec 17;26(24):12147. doi: 10.3390/ijms262412147.4- Sarcopenia and Cardiovascular Diseases. Circulation. 2023 May 16;147(20):1534-1553. doi: 10.1161/CIRCULATIONAHA.123.064071.5- Emerging Targets and Treatments for Sarcopenia: A Narrative Review. Nutrients. 2024 Sep 27;16(19):3271. doi: 10.3390/nu16193271.6- Nutrition in the prevention and treatment of skeletal muscle ageing and sarcopenia: a single nutrient, a whole food and a whole diet approach. Proc Nutr Soc. 2025 Dec;84(4):340-355. doi: 10.1017/S0029665124007432.

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Sarcopenia

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This episode was published on February 20, 2026.

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A sarcopenia é uma condição caracterizada pela perda progressiva de força, massa e qualidade muscular, frequentemente associada ao envelhecimento. O diagnóstico moderno prioriza a avaliação da função física e da força em vez de focar apenas na massa...

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