How Anaesthesia Effects Mental Function

Grant number: 454440 | Funding period: 2007 - 2011



It is known that about 10% of patients over the age of 55 have difficulty with cognition and thinking 3 months after surgery and anaesthesia. Over 2 million operations involving anaesthesia are administered in Australia every year and increasingly the patients are elderly and thus exposed to the risk of cognitive decline after surgery. We have preliminary data showing that people who have mild changes in cognitive function before the surgery (known as mild cognitive impairment) are susceptible to further cognitive decline after anaesthesia and surgery. In order to explore the relationship between preoperative cognitive function and postoperative cognitive decline we plan to measure cognition..

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