Journal of the American Society of Nephrology, Vol 3, 1451-1457, Copyright © 1993 by American Society of Nephrology

REGULAR ARTICLES

Elevated blood pressure profile and left ventricular mass in children and young adults with autosomal dominant polycystic kidney disease

M Zeier, S Geberth, KG Schmidt, A Mandelbaum and E Ritz
Department of Internal Medicine, University of Heidelberg, Germany.

Twelve children (< 15 yr) and 12 young adults with autosomal dominant polycystic kidney disease (ADPKD) confirmed by ultrasonography and 24 nonaffected individuals matched for age, sex, and body surface area were examined with ambulatory blood pressure monitoring and echocardiography. All patients and controls had normal renal function (median serum creatinine, 0.85 mg/dL; range, 0.5 to 1.1). In children, daytime and nighttime blood pressures were not significantly different from those of controls; the median left ventricular mass index (in grams per square meter) was higher in patients (66.6 g/m2) than in controls (61.3 g/m2; P < 0.002), although all values remained within the normal range. In young adults with ADPKD, mean arterial blood pressure was significantly higher than that in controls both during daytime (98.3 mm Hg; range, 74 to 126 versus 90.6 mm Hg; range, 73 to 116; P < 0.006) and during nighttime (83.2 mm Hg; range, 66.5 to 125 versus 79.0 mm Hg; range, 63 to 91; P < 0.05). In parallel, the median left ventricular mass index was significantly higher in young adults (81.8 g/m2; range, 62 to 174 versus 64.3 g/m2; range, 52 to 102; P < 0.02). The results document that ambulatory daytime and nighttime blood pressures and left ventricular mass indices are higher in asymptomatic carriers of the ADPKD trait compared with controls, although most values are still within the normal range.

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