Short-term effects of growth hormone treatment on the upper airways of non severely obese children with Prader-Willi syndrome

A. Salvatoni, E. Veronelli, L. Nosetti, J. Berini, S. De Simone, L. Iughetti, L. Bosio, G. Chiumello, G. Grugni, G. Delù, P. Castelnuovo, G. Trifirò, L. Nespoli

Research output: Contribution to journalArticlepeer-review

Abstract

Aims: The aim of this study was to establish whether short-term GH treatment causes obstructive apnea in patients with Prader-Willi syndrome and normal upper airway patency. Subjects and methods: We performed an observational longitudinal 6-week GH treatment study. Thirty-four non-severely obese Prader-Willi syndrome patients (20 boys, age range 0.94-11.8 yr, median 2.24 yr) entered an observational longitudinal 6-week study. Sixteen boys received recombinant human GH (rhGH) treatment; the remaining 18 represented the control group and received no treatment. Polysomnography monitoring and othorhinolaringoiatric video endoscopy were performed one night before and after 6 weeks of rhGH treatment (0.03 mg/kg body weight/day). All patients underwent auxologic assessment, fasting blood glucose, insulin and IGF-1 evaluation. The main polysomnographic parameter considered was total apnea hypopnea index, consisting of two components: central apnea hypopnea index and obstructive apnea hypopnea index. All patients were free of severe or moderate upper airway obstruction when rhGH treatment began. Results: After 6 weeks of rhGH therapy, obstructive apnea hypopnea index increased in 8/16 (50%), decreased in 5/16 (31%), and did not change in 3/16 (19%) patients. The changes were not statistically significant. The rhGH-treated group did not differ from the control group for the apnea hypopnea index both before and after 6 weeks of treatment. Adenoids and tonsils showed a slight increase in 1 and 2 patients on rhGH treatment, respectively, and did not change in the untreated patients. Conclusions: Our data show that short-term rhGH treatment does not cause restrictions of the upper airways in patients with Prader-Willi syndrome and normal upper airway patency.

Original languageEnglish
Pages (from-to)601-605
Number of pages5
JournalJournal of Endocrinological Investigation
Volume32
Issue number7
DOIs
Publication statusPublished - Jul 2009

Keywords

  • Growth hormone
  • Obstructive respiratory disorder
  • Prader-Willi syndrome
  • Sleep apnea
  • Sudden death

ASJC Scopus subject areas

  • Endocrinology, Diabetes and Metabolism
  • Endocrinology

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