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Response to ‘How to interpret polysomnography’ by Leong et al
  1. Michael Farquhar1,
  2. Donald S Urquhart2,
  3. Kylie Russo3,
  4. Francois Abel4,
  5. Heather E Elphick5,
  6. Neil Gibson6,
  7. Paul Gringras1,
  8. Catherine Hill7,
  9. Desaline Joseph1,
  10. Ruth N Kingshott8,
  11. Jane Orgill1,
  12. Omendra Narayan9,
  13. Martin Samuels4,
  14. Hui-Leng Tan10
  1. 1 Children's Sleep Medicine, Evelina London Children's Hospital, London, UK
  2. 2 Paediatric Respiratory Medicine, Royal Hospital for Sick Children, Edinburgh, UK
  3. 3 Sleep Medicine, Great Ormond Street Hospital for Children, London, UK
  4. 4 Paediatric Respiratory and Sleep Medicine, Great Ormond Street Hospital for Children, London, UK
  5. 5 Department of Respiratory Medicine, Sheffield Children's Hospital, Sheffield, UK
  6. 6 Paediatric Respiratory Medicine, Royal Hospital for Children, Glasgow, UK
  7. 7 Sleep Medicine, University Hospital Southampton NHS Foundation Trust, Southampton, UK
  8. 8 Paediatric Respiratory Department, Sheffield Childen's Hospital, Sheffield, UK
  9. 9 Respiratory Medicine, Manchester Children's Hospitals, Manchester, UK
  10. 10 Paediatric Respiratory Medicine, Royal Brompton Hospital, London, UK
  1. Correspondence to Dr Michael Farquhar, Children's Sleep Medicine, Guy's and St Thomas' NHS Foundation Trust, London SE1 9RS, UK; michael.farquhar{at}

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We read with interest the article by Leong et al on the use of polysomnography (PSG) in children,1 covering indications for PSG, along with limitations of oximetry, and clearly outlining how to undertake and interpret PSG in paediatric patients. It briefly discusses limited channel recordings (respiratory polygraphy, RP) and concludes that this ‘is not standard practice’.

In many paediatric centres RP is standard practice, and routinely used for assessment of sleep-disordered breathing (SDB) in children, with the most common diagnosis being obstructive sleep apnoea (OSA).

In a recent survey …

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  • Twitter @DrMikeFarquhar, @sleepprof

  • Contributors Response written by MF, KR and DSU; reviewed and revised by the group, and final version agreed prior to submission.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Patient consent for publication Not required.

  • Provenance and peer review Not commissioned; internally peer reviewed.

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