Anesthetic risk during subsequent anesthetic events in brachycephalic dogs that have undergone corrective airway surgery: 45 cases (2007-2019)

Crystal R. Doyle, Turi K. Aarnes, Gregory A. Ballash, Erin L. Wendt-Hornickle, Caroline F. Baldo, Rebecca A. Johnson, Thomas E. Wittum, Mary A. McLoughlin

Research output: Contribution to journalReview articlepeer-review

Abstract

OBJECTIVE To determine whether previous corrective upper airway surgery in brachycephalic dogs would decrease perianesthetic complications in subsequent anesthetic events. ANIMALS 45 client-owned dogs. PROCEDURES Brachycephalic dogs undergoing any combination of staphylectomy, nasal alaplasty, or laryngeal sacculectomy that were anesthetized at a later date for additional surgical procedures or imaging from August 2, 2007, to February 8, 2019, had their medical records reviewed during both anesthetic events for signalment, American Society of Anesthesiologists status, perianesthetic drug administration, anesthetic duration, presence and total time of positive-pressure ventilation, procedure invasiveness, and perianesthetic complications such as bradycardia, hypothermia, hypotension, cardiac arrhythmias, hypertension, vomiting or regurgitation, dysphoria, respiratory distress, hypoxemia, reintubation, and prolonged periods of recovery. RESULTS The odds of having complications during the postanesthetic period following subsequent anesthetic events were decreased by 79% in dogs having previous surgical intervention to correct clinical signs of brachycephalic airway syndrome. Intra-anesthetic bradycardia increased the odds of developing a postanesthetic complication by 4.56 times. Every 15-minute increase in anesthetic duration increased the odds of having a postanesthetic complication by 12% and having an intra-anesthetic complication by 11%. CONCLUSIONS AND CLINICAL RELEVANCE Previous corrective upper airway surgery decreased odds of postanesthetic complications in brachycephalic dogs that underwent subsequent anesthetic events. Findings in this study indicated that corrective upper airway surgery for brachycephalic dogs may reduce postanesthetic complications following subsequent anesthetic events, which may reduce perianesthetic morbidity in patients undergoing multiple surgical or diagnostic imaging procedures.

Original languageEnglish (US)
Pages (from-to)744-749
Number of pages6
JournalJournal of the American Veterinary Medical Association
Volume257
Issue number7
DOIs
StatePublished - Oct 1 2020

PubMed: MeSH publication types

  • Journal Article

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