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Surgical History of Sleep Apnea in Pediatric Patients with Chiari Type 1 Malformation

Isaac Jonathan Pomeraniec1, Alexander Ksendzovsky1, Pearl L Yu1

  • 1Department of Neurological Surgery, University of Virginia Health Science Center, 1215 Lee Street, Charlottesville, VA 22908, USA.

Neurosurgery Clinics of North America
|September 27, 2015
PubMed

Insights

Posterior fossa decompression for pediatric Chiari malformation type 1 significantly improves sleep apnea. Duraplasty offers a higher success rate for sleep apnea resolution compared to dural splitting.

Area of Science:

  • Neurosurgery
  • Pediatric Neurosurgery
  • Sleep Medicine

Background:

  • Chiari malformation type 1 (CMI) in children can present with sleep-disordered breathing.
  • Posterior fossa decompression (PFD) is a surgical option for symptomatic CMI.
  • Sleep apnea is a recognized indication for PFD in pediatric CMI.

Purpose of the Study:

  • To evaluate the efficacy of PFD in pediatric patients with CMI and sleep apnea.
  • To compare outcomes of duraplasty versus dural splitting in improving sleep apnea and reducing tonsillar herniation.

Main Methods:

  • Retrospective review of pediatric patients with CMI and sleep apnea undergoing PFD.
  • Surgical techniques included duraplasty and dural splitting.
  • Assessment of sleep apnea improvement and radiographic reduction in tonsillar herniation.

Main Results:

  • Duraplasty resulted in 100% improvement in sleep apnea.
  • Dural splitting improved sleep apnea in 50% of patients.
  • Duraplasty showed a 58% reduction in tonsillar herniation (37% excluding tonsillectomy), while dural splitting showed a 35% reduction.

Conclusions:

  • PFD, particularly with duraplasty, is effective in treating sleep apnea in pediatric CMI patients.
  • Duraplasty appears superior to dural splitting for sleep apnea resolution and radiographic improvement.
  • Further longitudinal studies are needed to clarify the long-term risks and benefits of surgical intervention.

Keywords:
Chiari malformationDural splittingDuraplastySleep apnea

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