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Blood pressure and its associations in 554 children and young people with congenital adrenal hyperplasia

  • Neil R. Lawrence
  • , Irina Bacila
  • , Joseph Tonge
  • , Jeremy Dawson
  • , Gary S. Collins
  • , Zi Qiang Lang
  • , Jillian Bryce
  • , Malika Alimussina
  • , Minglu Chen
  • , Salma Rashid Ali
  • , Safwaan Adam
  • , Erica L.T. Van Den Akker
  • , Tânia Aparecida Sartori Sanchez Bachega
  • , Federico Baronio
  • , Niels Holtum Birkebæk
  • , Walter Bonfig
  • , Hedi Claahsen - Van Der Grinten
  • , Martine Cools
  • , Eduardo Correa Costa
  • , Miguel Debono
  • Liat De Vries, Christa E. Flück, Gabriella Gazdagh, Ayla Güven, Sabine E. Hannema, Violeta Iotova, Hetty J. Van Der Kamp, Ruth Krone, Sofia Leka-Emiri, María Clemente-León, Corina Raducanu Lichiardopol, Renata L. Markosyan, Tatjana Milenkovic, Mirela Costa De Miranda, Uta Neumann, John Newell-Price, Şükran Poyrazoǧlu, Ursina Probst-Scheidegger, Gianni Russo, Luisa De Sanctis, Sumudu Nimali Seneviratne, Marianna Rita Stancampiano, Rieko Tadokoro-Cuccaro, Ajay Thankamony, Ana Vieites, Malgorzata Wasniewska, Diego Yeste, Jeremy Tomlinson, S. Faisal Ahmed, Nils Krone*
*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

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Abstract

Background: Congenital adrenal hyperplasia (CAH) due to 21-hydroxylase deficiency (21OHD) affects approximately 1 in 15 000 individuals. We leveraged the power of multicentre registry data to assess the trend and predictors of blood pressure (BP) within children and young persons with 21OHD to inform monitoring strategies. Method: Data from the International CAH Registry in patients younger than 20 years was compared to normative values. Values of BP were modeled to create reference curves, multiple change point analysis applied to quantify the difference with normative data. Covariate adjustment was informed by a directed acyclic graph, prior to joint outcome regression modeling to accurately assess predictors of BP. Results: A total of 6436 visits within 554 patients (52.5% females) showed BP-Standard deviation scores (SDS) were higher at younger ages. Patients under five years had systolic BP-SDS of 1.6 (Q1:0.6-Q3:2.7) decreasing to 1.0 (Q1:0.2-Q3:1.8) over 5 years, equating to 31.0% over the 95th centile decreasing to 15.0%. Higher doses of fludrocortisone were associated with a small increase in systolic BP equivalent to 1.2 mmHg with every 100 g extra fludrocortisone. Renin of 100 U/mL was associated with 4.6 mmHg lower systolic BP than a renin of 1 U/ mL, higher 17OH-progesterone and androstenedione also predicted lower systolic and diastolic BP (P < .05). Conclusion: Higher BP in children with 21OHD is common and particularly pronounced at a younger age, but may not be attributable to excessive mineralocorticoid replacement. There is a need to improve our understanding of the determinants of this raised BP as well as its long-term effects. The Author(s) 2025.

Original languageEnglish
Pages (from-to)529-539
Number of pages11
JournalEuropean Journal of Endocrinology
Volume192
Issue number5
DOIs
Publication statusPublished - 1 May 2025

Keywords

  • Bayesian analysis
  • blood pressure
  • congenital adrenal hyperplasia
  • glucocorticoids
  • statistical modeling

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