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'Silent strokes' signal increased kidney failure risk in diabetics

By Super Admin
|

Washington, Jan 29 (ANI): Silent cerebral infarction (SCI)-small areas of brain damage caused by injury to small blood vessels- signals an increased risk of progressive kidney disease and kidney failure in patients with type 2 diabetes, researchers have said.

Published in an upcoming issue of the Journal of the American Society Nephrology (JASN), the study by Takashi Uzu, MD (Shiga University School of Medicine, Otsu, Japan) suggests that if SCI is present in the brain, it could be an indicator that small-vessel damage is present in the kidneys as well.

Uzu comments, "Silent cerebral infarction may be a new marker to identify patients who are risk for declining kidney function."

The study included 608 patients with type 2 diabetes, all initially free of symptomatic stroke, heart disease, or kidney disease (overt proteinuria or renal dysfunction). On magnetic resonance imaging (MRI) scans of the brain, 177 of the patients (29 percent) had SCI-subtle areas of brain damage caused by disease of the brain blood vessels, but not severe enough to cause overt symptoms of stroke.

At long-term follow-up, diabetic patients with SCI had higher risks of progressive kidney disease. Compared to those with normal brain MRI scans, patients with SCI were about 2.5 times more likely to die or develop end-stage kidney disease. Their risk of declining kidney function or dialysis was nearly five times higher. (ANI)

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