Written by: Alejandra Legarda - Journalist

Recent studies have established a significant connection between acute kidney injury (AKI) and an increased risk of developing dementia. Research, particularly a study conducted by the Karolinska Institute in Sweden, demonstrated that individuals who experienced at least one episode of acute kidney injury had a 49% higher risk of developing any form of dementia. This risk rose to 88% for Lewy body dementia or Parkinson’s disease-related dementia, and 47% for vascular dementia.

The link between acute kidney injury and dementia is partly due to the negative effects kidney damage can have on the brain. AKI can disrupt the blood-brain barrier, causing inflammation and damage to the brain's blood vessels, which may trigger long-term cognitive problems.

This finding highlights the importance of closely monitoring cognitive function in patients who have suffered from AKI, particularly older adults. Early detection of dementia and the implementation of preventive strategies, such as controlling vascular risk factors (hypertension, high cholesterol, diabetes), could help mitigate the impact on cognitive health.

In summary, current research suggests that individuals who suffer from AKI should be carefully monitored for potential signs of cognitive decline, given the increased risk of developing dementia.