Original ResearchPublished 29 September 2026Muscle quality index combined with plasma metabolomics: enhancing risk stratification for post-stroke dementiaZhen Tan · Shuang Li · Tianjiao Li · Lei Liu · Xinrui Xue · Xiaoping Li · Hongqiang RenFrontiers in Aging Neurosciencedoi 10.3389/fnagi.2026.1837030