Researchers say that a majority of older
patients who underwent heart valve surgery were found to be at risk of cognitive
problems up to six months after surgery
Researchers examined whether surgeries on
two types of heart valves -- the mitral or the aortic -- were associated with
better or worse outcomes. Their study was published in the Journal of the
American Geriatrics Society.
The study showed that people having aortic valve surgery are at greater risk of early cognitive decline within the first month after surgery than people having mitral valve surgery.
However, cognitive health in both groups appears largely to return to what it was before surgery within the six months after surgery.
The study highlights the cognitive vulnerability of this population, especially older adults with aortic stenosis -- the heart valve that controls blood flow from your heart to the rest of your body, the researchers said.
Within the first month after valve surgery, people experienced some cognitive decline compared to before the surgery, the researchers found.
In addition, people who had mitral valve surgery experienced a mild decline. But people who had aortic valve surgery experienced poorer cognitive function the month after surgery, although they tended to improve after that.
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