Laryngomalacia

Last reviewed: 26 Apr 2022
Last updated: 29 May 2019

Summary

Definition

History and exam

Key diagnostic factors

  • stridor
  • onset within 2 weeks of birth
  • features of airway obstruction
  • resolution of symptoms by 2 years of age
  • normal cry
More key diagnostic factors

Other diagnostic factors

  • feeding difficulties
  • weight loss or failure to thrive
  • hypotonia
  • dysmorphic features
Other diagnostic factors

Risk factors

  • GERD
  • neurologic abnormalities
  • laryngeal anatomic abnormalities
  • male sex
  • genetic syndromic disorder
More risk factors

Diagnostic investigations

1st investigations to order

  • flexible laryngoscopy
More 1st investigations to order

Investigations to consider

  • rigid laryngobronchoscopy
  • FEES testing
  • polysomnography
  • CXR
  • lateral neck radiograph
  • ECG
  • echocardiogram
More investigations to consider

Treatment algorithm

ONGOING

mild disease

moderate disease

severe disease

Contributors

Authors

Simone J. Boardman, MBBS, FRACS (OHNS)

Consultant Paediatric Otolaryngologist

The Children's Hospital at Westmead

Sydney

Australia

Disclosures

SJB declares that she has no competing interests.

Acknowledgements

Dr Simone Boardman would like to gratefully acknowledge Mr C. Martin Bailey, a previous contributor to this topic. CMB is an author of a number of references cited in this topic.

Peer reviewers

Kevin Pereira, MD

Director

Pediatric Otolaryngology-HNS

University of Maryland School of Medicine

Baltimore

MD

Disclosures

KP declares that he has no competing interests.

Haytham Kubba, FRCS

Consultant Paediatric Otolaryngologist

Royal Hospital for Sick Children (Yorkhill)

Glasgow

UK

Disclosures

HK declares that he has no competing interests.

Gresham Richter, MD

Assistant Professor

Associate Residency Program Director

Otolaryngology - Head and Neck Surgery

University of Arkansas for Medical Sciences

Little Rock

AR

Disclosures

GR declares that he has no competing interests.

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