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Related Experiment Videos

Upper airway function in Ondine's curse.

T S Olson1, G E Woodson, G P Heldt

  • 1Department of Otolaryngology-Head and Neck Surgery, University of Michigan, Ann Arbor.

Archives of Otolaryngology--Head & Neck Surgery
|March 1, 1992
PubMed
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Congenital central alveolar hypoventilation (Ondine's curse) impairs automatic breathing. This study found that sleep onset causes upper airway collapse in affected infants, highlighting the need for central respiratory control.

Area of Science:

  • Pediatric Pulmonology
  • Neuroscience
  • Sleep Medicine

Background:

  • Congenital central alveolar hypoventilation (Ondine's curse) is a rare genetic disorder characterized by absent automatic ventilatory control.
  • Patients retain voluntary breathing but require ventilatory support, often necessitating tracheotomy even with phrenic pacing.

Observation:

  • Fiberoptic videoendoscopy was used to examine the upper airway of an infant with Ondine's curse.
  • During wakefulness with negative pressure ventilation, the infant's airway appeared normal.
  • Upon sleep onset, passive inspiration led to intermittent epiglottic collapse.

Findings:

  • The study identified phasic epiglottic collapse during sleep in an infant with congenital central alveolar hypoventilation.
  • This collapse occurred despite mechanical ventilation, indicating a failure of airway stabilization mechanisms.

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Implications:

  • Central respiratory control is crucial for maintaining upper airway patency during sleep.
  • Understanding these airway dynamics may inform improved treatment strategies for Ondine's curse.
  • Further research into the neural control of upper airway muscles during sleep is warranted.