Reducing dietary salt intake could help prevent CKD in diabetes patients by significant BP lowering
USA: Reducing dietary salt intake to the recommended levels of 5 g/day is beneficial for diabetes patients by lowering BP by similar amounts to a single blood pressure (BP) medication, according to a Cochrane review.
The systematic review showed a significant lowering in systolic (SBP) and diastolic blood pressure (DBP) in diabetes patients with normal GFR during short periods of salt restriction, comparable to that obtained with single-drug therapy for hypertension. "These data support the international recommendations that patients with diabetes with or without hypertension or kidney disease should lower that salt intake to less than five g/day," the researchers wrote.
There is strong evidence that we all consume too much salt, which increases the risk of high BP. This is of particular significance in patients with diabetes as diabetes raises the risk of kidney failure, heart attack, and stroke, and elevated BP will further exacerbate these risks. Reducing salt intake could help with BP reduction and thus reduce heart attack risk and worsening kidney function.
In an update of a review first published in 2010, the authors aimed to evaluate the effect of altered salt intake on blood pressure and cardiovascular disease (CVD) markers and chronic kidney disease in diabetes patients.
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