Nasotracheal oxygen supplementation facilitates anesthetic recovery in high-risk brachycephalic dogs.

Nasotracheal tubes improve recovery in brachycephalic dogs; larger tubes with prophylactic placement are more successful.

This retrospective study evaluated nasotracheal tube (NTT) placement for oxygen supplementation in 35 brachycephalic dogs during anesthetic recovery. Dogs were stratified by timing of tube placement: prophylactic (prior to extubation) or rescue (when reintubation was required). Minor tube-related complications occurred in 23% of cases, while non-tube-related complications occurred in 63%, with severe respiratory complications in 17%. Success rates were 66% overall, with larger tubes (≥10-Fr) demonstrating improved efficacy. Rescue tube placement was associated with increased severe postoperative respiratory complications, including temporary tracheostomy, mechanical ventilation requirements, and mortality. NTTs were generally well-tolerated when placed prophylactically. The study suggests NTT supplementation is a viable adjunctive tool for managing high-risk brachycephalic dogs during recovery, though further investigation into optimal timing of placement and tube specifications is warranted to maximize success rates and minimize complications.

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