Bariatric surgery has long-term health benefits that go beyond weight loss, including improved cognition and brain structure and function, new research indicated.
is associated with long-term improvements in cognition and brain structure in addition to general health benefits and expected weight loss, a large study found.who underwent bariatric surgery, roughly two in five showed > 20% improvement in global cognitive function at 24 months following the surgery.
"These results highlight beneficial vascular responses occurring in conjunction with bariatric surgery," the researchers wrote. To investigate, Kiliaan and colleagues studied 133 adults with severe obesity who underwent Roux-en-Y. The researchers collected relevant data from laboratory tests, cognitive tests, and MRI brain scans before surgery and at 6 and 24 months after surgery.
Improvements in inflammatory markers, depressive symptoms, and physical activity were also evident after surgery.Several cognitive domains showed significant improvement at 6 and 24 months after bariatric surgery. Based on the 20% change index, improvements in working memory, episodic memory, and verbal fluency were seen in 11%, 32%, and 24% of participants, respectively.
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