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Surgery has a more profound effect than anesthesia on brain pathology and cognition in Alzheimer’s animal model

September 14, 2012 by

A syndrome called "post-operative cognitive decline" has been coined to refer to the commonly reported loss of cognitive abilities, usually in older adults, in the days to weeks after surgery. In fact, some patients time the onset of their Alzheimer's disease symptoms from a surgical procedure. Exactly how the trio of anesthesia, surgery, and dementia interact is clinically inconclusive, yet of great concern to patients, their families and physicians. A new study using a mouse model of Alzheimer's disease shows that surgery itself, rather than anesthesia, has the more profound impact on a dementia-vulnerable brain.

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