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Related Experiment Videos

Sleep disordered breathing and pregnancy.

N Edwards1, P G Middleton, D M Blyton

  • 1David Read Laboratory, Department of Medicine, University of Sydney, NSW 2006, Australia.

Thorax
|May 31, 2002
PubMed
Summary
This summary is machine-generated.

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Pregnancy alters respiratory function, increasing sleep disordered breathing risks. Respiratory physicians should consider sleep apnea in pregnant patients due to these physiological changes.

Area of Science:

  • Obstetrics and Gynecology
  • Pulmonology
  • Sleep Medicine

Background:

  • Pregnancy significantly alters respiratory physiology, especially in the third trimester.
  • These changes can compromise respiratory function during sleep.
  • Increased incidence of snoring suggests a rise in sleep disordered breathing.

Purpose of the Study:

  • To examine physiological changes during pregnancy and their link to sleep disordered breathing.
  • To summarize current knowledge on sleep disordered breathing in pregnant individuals.

Main Methods:

  • Review of physiological changes in the respiratory system during pregnancy.
  • Analysis of the relationship between these changes and sleep disordered breathing.
  • Synthesis of existing literature on sleep disordered breathing in pregnancy.

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Main Results:

  • Pregnancy involves increased ventilatory drive, metabolic rate, and alveolar-arterial oxygen gradients.
  • Reduced functional residual capacity and residual volume occur.
  • Upper airway patency changes and increased snoring indicate higher obstructive sleep apnea/hypopnea syndrome risk.

Conclusions:

  • Physiological adaptations during pregnancy predispose women to sleep disordered breathing.
  • Sleep disordered breathing, including obstructive sleep apnea/hypopnea syndrome, is more common in pregnancy.
  • Respiratory physicians must consider sleep disordered breathing in pregnant patients.