Surgery Has a More Profound Effect than Anesthesia on Brain Pathology and Cognition in Alzheimer's Animal Model, Finds Penn Study

A year ago, researchers at the Perelman School of Medicine at the University of Pennsylvania reported that Alzheimer's pathology, as reflected by cerebral spinal fluid biomarkers, might be increased in patients after surgery and anesthesia. However, it is not clear whether the anesthetic drugs or the surgical procedure itself was responsible. To separate these possibilities, the group turned to a...