Intensive BP control can delay kidney replacement therapy in Stage 4/5 CKD
Recent research found that intensive blood pressure control has a beneficial effect of delaying kidney replacement therapy in stage 4 and 5 chronic kidney disease patients. The study results were published in the Journal of the American Society of Nephrology.
Hypertension and chronic kidney disease (CKD) are closely interlinked pathophysiologic states where sustained hypertension can worsen renal function leading to a progressive decline in kidney function thus worsening blood pressure (BP) control. It is quite necessary to have intensive blood pressure control where a systolic BP of <120 mmHg is maintained. As there is uncertainty about the effect of intensive BP lowering on the risk of kidney failure requiring kidney replacement therapy (KRT) in patients with advanced CKD, researchers conducted a pooled analysis to examine the effect of intensive BP lowering on KRT risk.
A pooled analysis of individual-level data from seven trials was carried out by including patients with eGFR<60 mL/min per 1.73 m2. A prespecified subgroup analysis was carried out to evaluate the effect of intensive BP control by baseline albuminuria and eGFR (CKD stage 4–5 versus stage 3).
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