Prevalence of Hypertension in Children with Early-Stage ADPKD

Laura Massella1, Djalila Mekahli2,3, Dušan Paripović4

  • 1Division of Nephrology, Department of Pediatric Subspecialties, and.

Insights

Hypertension is common in children with autosomal dominant polycystic kidney disease (ADPKD), even with normal kidney function. Cyst burden and kidney size are linked to hypertension in these young patients.

Area of Science:

  • Pediatric Nephrology
  • Genetics
  • Hypertension Research

Background:

  • Autosomal dominant polycystic kidney disease (ADPKD) is a common genetic kidney disorder.
  • While often symptomatic in adulthood, pediatric onset with hypertension is possible.
  • Limited data exist on ambulatory blood pressure monitoring (BP) in children with ADPKD.

Purpose of the Study:

  • To assess the prevalence of hypertension in children with ADPKD using ambulatory BP monitoring.
  • To identify factors associated with hypertension in this pediatric population.

Main Methods:

  • Retrospective multicenter study of 310 children (<18 years) with ADPKD across 22 European centers.
  • Collected ambulatory BP monitoring data, anthropometrics, kidney function, BP treatment, and kidney ultrasound.
  • Analyzed associations between cyst score, kidney length, and hypertension prevalence.

Main Results:

  • 31% daytime, 42% nighttime, and 35% 24-hour hypertension prevalence observed.
  • 52% lacked normal nocturnal BP dipping; 18% had isolated nocturnal hypertension.
  • Higher cyst score and kidney length (SD score) significantly associated with hypertension.

Conclusions:

  • Hypertension is highly prevalent in children with ADPKD, even at young ages.
  • Ambulatory BP monitoring is crucial for diagnosing hypertension in pediatric ADPKD.
  • Kidney cyst burden and size are significant risk factors for hypertension in affected children.
Abstract

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