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Articles by G Bakris
Total Records ( 1 ) for G Bakris
  J. M Weinberg , L. J Appel , G Bakris , J. J Gassman , T Greene , C. A Kendrick , X Wang , J Lash , J. A Lewis , V Pogue , D Thornley Brown , R. A Phillips and for the African American Study of Hypertension and Kidney Disease Collaborative Research Group
 

Background  The incidence and factors associated with hyperkalemia in patients with chronic kidney disease (CKD) treated with angiotensin converting enzyme inhibitors (ACEIs) and other antihypertensive drugs was investigated using the African American Study of Kidney Disease and Hypertension (AASK) database.

Methods  A total of 1094 nondiabetic adults with hypertensive CKD (glomerular filtration rate [GFR], 20-65 mL/min/1.73 m2) were followed for 3.0 to 6.4 years in the AASK trial. Participants were randomly assigned to ACEI, β-blocker (BB), or dihydropyridine calcium channel blocker (CCB). The outcome variables for this analysis were a serum potassium level higher than 5.5 mEq/L (to convert to millimoles per liter, multiply by 1.0), or a clinical center initiated hyperkalemia stop point.

Results  A total of 6497 potassium measurements were obtained, and 80 events in 51 subjects were identified (76 events driven by a central laboratory result and 4 driven by a clinical center–initiated hyperkalemia stop point). Compared with a GFR higher than 50 mL/min/1.73 m2, after multivariable adjustment, the hazard ratio (HR) for hyperkalemia in patients with a GFR between 31 and 40 mL/min/1.73 m2 and a GFR lower than 30 mL/min/1.73 m2 was 3.61 (95% confidence interval [CI], 1.42-9.18 [P = .007]) and 6.81 (95% CI, 2.67-17.35 [P < .001]), respectively; there was no increased risk of hyperkalemia if GFR was 41 to 50 mL/min/1.73 m2. Use of ACEIs was associated with more episodes of hyperkalemia compared with CCB use (HR, 7.00; 95% CI, 2.29-21.39 [P < .001]) and BB group (HR, 2.85; 95% CI, 1.50-5.42 [P = .001]). Diuretic use was associated with a 59% decreased risk of hyperkalemia.

Conclusions  In nondiabetic patients with hypertensive CKD treated with ACEIs, the risk of hyperkalemia is small, particularly if baseline and follow-up GFR is higher than 40 mL/min/1.73 m2. Including a diuretic in the regimen may markedly reduce risk of hyperkalemia.

 
 
 
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