Retrospective computed tomography analysis of endotracheal tube constriction and mispositioning in cats and dogs.

Objective: To discover the prevalence of endotracheal tube (ETT) constriction and rostral and caudal mispositioning in anaesthetized cats and dogs, and to identify associated risk factors.

Study Design: Retrospective analysis.

Animals: A total of 146 cats and 670 dogs.