< 1 MIN READ | Clinical Psychology

Does General Anaesthesia Increase Dementia Risk? Latest Research Sheds Light

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, (2020, October 7). Does General Anaesthesia Increase Dementia Risk? Latest Research Sheds Light. Psychreg on Clinical Psychology. https://www.psychreg.org/general-anaesthesia-dementia/
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There are concerns that exposure to general anaesthesia during surgery may contribute to an increased risk of Alzheimer’s disease. To investigate, researchers compared exposure to general anaesthesia versus regional anaesthesia during elective surgery, looking for potential links to the development of dementia.

The Journal of the American Geriatrics Society study included 7,499 matched pairs of community-dwelling individuals aged 66 years or older who underwent surgery between 2007 and 2011 and were followed for up to 5 years.

The investigators found no difference in risk of being diagnosed with dementia for individuals who received general anaesthesia when compared with those who received regional anaesthesia.

‘Many older adults experience changes in their cognition immediately following surgery and wonder what role the type of anaesthetic might have played in these changes,’ said senior author Dallas Seitz, MD, PhD, FRCPC, of the University of Calgary, in Canada.

‘Our study provides evidence that anaesthetic technique used during elective surgeries, general anaesthesia or regional anaesthesia is not associated with a long-term risk of developing dementia,’ Seitz says.

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