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Canadian Journal of Anesthesia, Vol 41, 332-339, Copyright © 1994 by Canadian Anesthesiologists' Society

ARTICLES

Congenital laryngomalacia

MR Baxter
Department of Anaesthesia, Children's Hospital of Eastern Ontario, Ottawa.

There is at present, very little information on congenital laryngomalacia in the anaesthetic literature. The purpose of this article is to review this topic, which in 90% of patients represents a benign self-limiting condition, disappearing by the age of two to five years. However, if untreated, the remaining 10% of cases can prove fatal. This severe form presents as persistent sternal recession, feeding difficulties, and failure to thrive, progressing to apnoeic attacks, cor pulmonale and eventually death. The developmental and functional anatomy of the larynx will be included, with a discussion of the pathophysiology and history of the disorder. Its diagnosis and a resume of the various treatment strategies, will be presented. The anaesthetic management is controversial as is the surgical technology. Our technique, for diagnosis or definitive repair, is based upon suspension laryngoscopy using topical local analgesia and spontaneous ventilation. Halothane is then administered by insufflation into the pharynx, using a #8 nasopharyngeal catheter, and suction is applied to the mouth. During the surgical repair, an endotracheal tube (ETT), may be inserted, at the discretion of the anaesthetist and surgeon. Finally, the role of the dioxide CO2 laser and its hazards will be introduced.


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Copyright © 1994 by the Canadian Anesthesiologists' Society.