Anaesthetic linked to Alzheimer's

A commonly used anaesthetic could cause changes in the brain linked to Alzheimer's, a US study suggests.

The anaesthetic isoflurane is linked to cell death.

The researchers said the Journal of Neuroscience findings from cell tests suggested caution was needed regarding the anaesthetic's use for the elderly.

Alzheimer's experts said work was needed to check if similar effects occurred in patients, and anaesthetists urged caution over the study."