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Laryngotracheal lesions following routine orotracheal intubation in the horse
Author(s) -
HEATH R. B.,
STEFFEY E. P.,
THURMON J. C.,
WERTZ E. M.,
MEAGHER D. M.,
HYYPPA T.,
SLYKE G. L.
Publication year - 1989
Publication title -
equine veterinary journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.82
H-Index - 87
eISSN - 2042-3306
pISSN - 0425-1644
DOI - 10.1111/j.2042-3306.1989.tb02190.x
Subject(s) - medicine , orotracheal intubation , horse , intubation , endoscopy , airway , bronchoscopy , respiratory system , endotracheal intubation , surgery , tracheal intubation , anesthesia , anatomy , biology , paleontology
Summary Sequelae of routine orotracheal intubation under clinical conditions were characterised in 38 healthy horses presented at three veterinary medical teaching hospitals. Four of these were necropsied and their tissues studied histologically. To minimise variation, 30 mm id cuffed silicone endotracheal tubes or Cole cuffless tubes were used in all patients. Fibreoptic endoscopic examination of upper respiratory and tracheal areas was accomplished pre‐intubation, immediately post extubation and after 24 h. Endoscopy revealed that intubation was associated with laryngeal and/or tracheal lesions in all horses. Observations included abundant tracheal mucus, epithelial ecchymoses, basement membrane haemorrhage and mucus covered diphtheritic membrane plaques. Histological examination of lesions from the upper respiratory system of the four necropsied horses confirmed that the damage was comparable to that associated with tracheal intubation and reported in other species.