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T1 and T2 Weighted Lesions and Cognition in Multiple Sclerosis: A Systematic Review and Meta-Analysis Publisher Pubmed

Summary: Research links T1 and T2 MRI lesions to cognitive issues in MS patients, highlighting key brain markers. #MultipleSclerosis #CognitiveHealth

Nabizadeh F1, 2 ; Pirahesh K3 ; Azami M4 ; Moradkhani A4 ; Sardaripour A5 ; Ramezannezhad E5
Authors

Source: Journal of Clinical Neuroscience Published:2024


Abstract

Background: Considering the different results regarding the correlation between Magnetic Resonance Imaging (MRI) structural measures and cognitive dysfunction in patients with MS, we aimed to perform a systematic review and meta-analysis study to investigate the correlation between T1 and T2 weighted lesions and cognitive scores to find the most robust MRI markers for cognitive function in MS population. Methods: The literature of this paper was identified through a comprehensive search of electronic datasets including PubMed, Scopus, Web of Science, and Embase in February 2022. Studies that reported the correlation between cognitive status and T1 and T2 weighted lesions in MS patients were selected. Results: 21 studies with a total of 3771 MS patients with mean ages ranging from 30 to 57 years were entered into our study. Our analysis revealed that the volume of T1 lesions was significantly correlated with Symbol Digit Modality test (SDMT) (r: −0.30, 95 %CI: −0.59, −0.01) and Paced Auditory Serial-Addition Task (PASAT) scores (r: −0.23, 95 %CI: −0.36, −0.10). We investigated the correlation between T2 lesions and cognitive scores. The pooled estimates of z scores were significant for SDMT (r: −0.27, 95 %CI: −0.51, −0.03) and PASAT (r: −0.27, 95 %CI: −0.41, −0.13). Conclusion: In conclusion, our systematic review and meta-analysis study provides strong evidence of the correlation between T1 and T2 lesions and cognitive function in MS patients. Further research is needed to explore the potential mechanisms underlying this relationship and to develop targeted interventions to improve cognitive outcomes in MS patients. © 2023 Elsevier Ltd
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