Older adults who have surgery with general anesthesia may experience a modest acceleration of cognitive decline, even years later. But there’s no evidence of a link to Alzheimer’s disease, according to new research from Mayo Clinic.
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The research, published in the British Journal of Anaesthesia, examined brain scans from 585 patients, ages 70 to 91 ― 493 of whom had at least one surgery with general anesthesia. The analysis found cortical thinning in cerebral areas but no significant evidence of deposits of amyloid protein, a hallmark of Alzheimer’s disease. The cortex is the outermost layer of the brain’s nerve cell tissue, and thinning of that tissue is associated with diminished cognitive functions. Continue reading
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