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Arnold Chiari type 1 malformation presenting with sleep disordered breathing in well children
  1. C Murray,
  2. C Seton,
  3. K Prelog,
  4. D A Fitzgerald
  1. Children’s Hospital at Westmead, Sydney, Australia
  1. Correspondence to:
    Dr D A Fitzgerald
    Paediatric Respiratory and Sleep Physician, Dept of Respiratory Medicine, Clinical A/Professor, Discipline of Paediatrics and Child Health, University of Sydney, The Children’s Hospital at Westmead, Locked Bag 4001, Westmead, Sydney 2145, Australia; dominif2{at}


Healthy children, aged 3, 9, and 13 years referred with sleep disordered breathing had marked central apnoea and bradypnoea on polysomnography, necessitating the use of non-invasive bilevel ventilation in two cases. Each had normal neurological examinations and an Arnold Chiari type 1 malformation was confirmed on magnetic resonance imaging. All underwent urgent posterior fossa decompression which normalised their sleep breathing.

  • Arnold Chiari type 1 malformation
  • central apnoea
  • non-invasive ventilation
  • posterior fossa decompression
  • polysomnography

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  • Competing interests: none declared