No link between anesthesia, dementia in elderly

Elderly patients who receive anesthesia are no more likely to develop long-term dementia or Alzheimer’s disease than other seniors, according to new research. The study analyzed thousands of patients using the Rochester Epidemiology Project -- which allows researchers access to medical records of nearly all residents of Olmsted County, Minn. -- and found that receiving general anesthesia for procedures after age 45 is not a risk factor for developing dementia.

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