Adult height in patients with advanced CKD requiring renal replacement therapy during childhood

Jérôme Harambat1, Marjolein Bonthuis, Karlijn J van Stralen

  • 1Due to the number of contributing authors, the affiliations are provided in the Supplemental Material.

Insights

Final height in children with end-stage renal disease (ESRD) receiving renal replacement therapy (RRT) has improved over time, though it remains suboptimal. Key factors influencing height include age at RRT initiation and treatment duration.

Area of Science:

  • Pediatric Nephrology
  • Growth and Development
  • Renal Replacement Therapy

Background:

  • Final height is a significant concern for children with end-stage renal disease (ESRD).
  • Understanding factors affecting final height in these patients is crucial for improving outcomes.

Purpose of the Study:

  • To describe the distribution of adult height in children who began renal replacement therapy (RRT) during childhood.
  • To identify determinants of final height in a large cohort of pediatric RRT patients.

Main Methods:

  • Analysis of 1612 patients from 20 European countries who started RRT before age 19 and reached final height between 1990-2011.
  • Linear regression models used to assess adjusted mean final height standard deviation score (SDS) and its determinants.

Main Results:

  • Median final height SDS was -1.65; 55% achieved normal adult height.
  • Final height SDS significantly improved over time, from -2.06 (1990-1995) to -1.33 (2006-2011).
  • Older age at RRT start, more recent RRT initiation, longer graft function time, and higher initial height SDS were associated with better final height. Congenital anomalies and metabolic disorders were linked to lower final height.

Conclusions:

  • Adult height in children with ESRD on RRT has shown consistent improvement over time.
  • Despite improvements, final height remains suboptimal, highlighting the need for continued research and intervention.
Abstract

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