American journal of veterinary research · 2023
Endoscopic application of fibrin glue may be a feasible method of treatment for postintubation tracheal lacerations in cats.
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Cohen Molly R, Maxwell Elizabeth A, Gallagher Alexander E, Portela Diego A
Аннотация
OBJECTIVE: To determine the feasibility of endoscopic application of fibrin glue for the treatment of experimentally induced postintubation tracheal laceration (PITL) in feline cadavers. The secondary objective was to determine the optimal technique for application of the fibrin glue.
ANIMALS: 20 feline cadavers (n = 10 fresh and 10 frozen).
PROCEDURES: An experimentally induced tracheal rupture was created via overinflation of an endotracheal tube cuff. After endoscopic identification of the tracheal tear, fibrin glue was instilled into the tracheal defect in either a bridging or filling fashion. Following the procedure, the airway of each cat was examined and leak tested. Length of tear, volume of glue applied, procedural time, and glue efficacy were recorded.
RESULTS: Experimentally induced tracheal lacerations were full thickness with a mean length of 3.27 ± 0.96 cm. A complete seal was attained in 6 of the 9 fresh cadavers when filling the defect with fibrin glue. In the remaining 3 fresh cadavers, air leakage was restricted to the dorsal mediastinum. Bridging the defect with fibrin glue did not attain a seal in fresh or frozen cadavers. The median volume of glue used to fill defects in fresh cadavers was 0.5 mL (range, 0.4 to 2 mL). Procedural time for the application of fibrin glue was 10.5 ± 4.1 minutes for bridging the defect and 7.8 ± 1.5 minutes for filling the defect.
CLINICAL RELEVANCE: Endoscopic application of fibrin glue may be a feasible method of treatment for PITL in cats.
ANIMALS: 20 feline cadavers (n = 10 fresh and 10 frozen).
PROCEDURES: An experimentally induced tracheal rupture was created via overinflation of an endotracheal tube cuff. After endoscopic identification of the tracheal tear, fibrin glue was instilled into the tracheal defect in either a bridging or filling fashion. Following the procedure, the airway of each cat was examined and leak tested. Length of tear, volume of glue applied, procedural time, and glue efficacy were recorded.
RESULTS: Experimentally induced tracheal lacerations were full thickness with a mean length of 3.27 ± 0.96 cm. A complete seal was attained in 6 of the 9 fresh cadavers when filling the defect with fibrin glue. In the remaining 3 fresh cadavers, air leakage was restricted to the dorsal mediastinum. Bridging the defect with fibrin glue did not attain a seal in fresh or frozen cadavers. The median volume of glue used to fill defects in fresh cadavers was 0.5 mL (range, 0.4 to 2 mL). Procedural time for the application of fibrin glue was 10.5 ± 4.1 minutes for bridging the defect and 7.8 ± 1.5 minutes for filling the defect.
CLINICAL RELEVANCE: Endoscopic application of fibrin glue may be a feasible method of treatment for PITL in cats.