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Drug-Induced Sleep Endoscopy (DISE) with Target Controlled Infusion (TCI) and Bispectral Analysis in Obstructive Sleep Apnea
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Effect of octreotide, a somatostatin analog, on sleep apnea in patients with acromegaly

R R Grunstein1, K K Ho, C E Sullivan

  • 1University of Sydney, Australia.

Annals of Internal Medicine
|October 1, 1994
PubMed
Abstract

Insights

Octreotide treatment significantly improved sleep apnea severity in acromegaly patients. Sleep apnea can improve even with partial hormonal remission, but may persist despite normalized growth hormone levels.

Area of Science:

  • Endocrinology
  • Sleep Medicine
  • Pharmacology

Background:

  • Acromegaly, a condition of excess growth hormone, is associated with increased sleep apnea severity.
  • Octreotide, a somatostatin analog, is used to manage acromegaly by reducing growth hormone levels.

Purpose of the Study:

  • To evaluate the impact of octreotide on sleep apnea severity and hormonal markers in acromegaly patients.
  • To assess the relationship between hormonal changes and sleep apnea improvement.

Main Methods:

  • An open-label, prospective study involving 19 acromegaly patients.
  • Patients received octreotide over 6 months with stepwise dosage increases.
  • Sleep studies and measurements of growth hormone and IGF-1 levels were conducted.

Main Results:

  • Octreotide treatment led to a significant reduction in respiratory disturbance index and total apnea time.
  • Improvements were observed in oxygen desaturation, sleep quality, and subjective sleepiness.
  • Mean growth hormone and IGF-1 levels decreased significantly, but no direct correlation was found between apnea improvement and hormonal normalization.

Conclusions:

  • Octreotide treatment improves sleep apnea indices in acromegaly patients.
  • Sleep apnea may improve independently of complete hormonal normalization, highlighting complex pathophysiology.

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