ArticleJournal of movement disorders2025
Muscle Ultrasonography as a Diagnostic Tool for Assessing Sarcopenia in Parkinson's Disease.
Article in Journal of movement disorders, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectiveThis study aimed to evaluate the feasibility of muscle ultrasonography (US) as a diagnostic tool for assessing sarcopenia in patients with Parkinson's disease (PD) to facilitate early detection and intervention to help prevent falls and enhance quality of life.
methodsThis prospective single-center study evaluated the diagnostic accuracy of US for identifying sarcopenia, using the Asian Working Group for Sarcopenia 2019 criteria as the reference. A total of 85 patients with PD, were recruited between June 2022 and August 2024, consisting of 31 individuals in the sarcopenic group and 54 in the nonsarcopenic group. We compared muscle thickness (MT), cross-sectional area (CSA), and shear wave velocity of the rectus femoris (RF), anterior tibialis (AT), and biceps brachii (BB) between the two groups. Statistical analyses included univariate analysis, correlation analysis, and binary logistic regression to develop a prediction model for sarcopenia.
resultsThe sarcopenic group exhibited lower MTBB, MTAT, and CSAAT than the nonsarcopenic group (all p<0.05). MTBB, CSABB, and CSAAT were significantly correlated with the appendicular skeletal muscle mass index and functional measures (all p<0.05). The prediction model, which included age, body mass index, and MTBB as predictors, achieved an area under the curve of 0.857, with a sensitivity of 80.6% and a specificity of 79.6%.
conclusionUS is a reliable and effective diagnostic tool for assessing sarcopenia in patients with PD, providing a practical approach for early identification of this condition.
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