Article ; Online: Presurgical microstructural coherence predicts cognitive change for bariatric surgery patients.
2023 Volume 31, Issue 9, Page(s) 2325–2334
Abstract: Objective: This observational study examined the relationship between presurgical white matter microstructural coherence and cognitive change after weight loss. It was hypothesized that higher baseline fractional anisotropy (FA) would predict greater ... ...
Abstract | Objective: This observational study examined the relationship between presurgical white matter microstructural coherence and cognitive change after weight loss. It was hypothesized that higher baseline fractional anisotropy (FA) would predict greater baseline and change cognition. Methods: A sample of 24 adults (BMI ≥ 35 kg/m Results: As expected, FA in some tracts of interest was significantly (p < 0.05) positively associated with change in cognition. Inverse relationships were observed between baseline FA and presurgical cognition, which may be explained by increased medial and radial diffusivity and preserved axonal diffusivity. Cognition generally improved after surgery; however, relative but clinically nonsignificant deterioration was observed on learning measures. Poorer baseline cognitive performance was associated with greater postsurgical cognitive improvement. Conclusions: Presurgical microstructural coherence is associated with magnitude of cognitive change after weight loss. An observed reduction in learning suggests that bariatric surgery may lead to negative outcomes in some cognitive domains, at least temporarily. |
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MeSH term(s) | Adult ; Humans ; Cognition ; Executive Function ; Bariatric Surgery ; Brain/diagnostic imaging ; Weight Loss |
Language | English |
Publishing date | 2023-08-21 |
Publishing country | United States |
Document type | Observational Study ; Journal Article ; Research Support, N.I.H., Extramural |
ZDB-ID | 2230457-5 |
ISSN | 1930-739X ; 1071-7323 ; 1930-7381 |
ISSN (online) | 1930-739X |
ISSN | 1071-7323 ; 1930-7381 |
DOI | 10.1002/oby.23837 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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