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Abstract
Endotracheal intubation is the standard of care to establish a secure airway; however,
laryngeal airway management systems are increasingly being used in human patients
for elective surgical procedures and in emergency settings. In this study, a double
lumen, blind insertion airway device (BIAD) was placed in the esophagus of dogs and
evaluated for its ability to ventilate the lungs. Initially, 10 euthanazed dogs were
evaluated, followed by a group of 15 mixed breed dogs that were undergoing elective
spay or neuter procedures, and a group of 10 healthy dogs. Post-procedure evaluation
included visual examination with a laryngoscope to inspect for signs of inflammation
or mucosal damage. The device provided adequate ventilation in all subjects; the dogs
were under anesthesia or heavily sedated for 10 min to 2 h and recovered uneventfully.
No evidence of esophagitis, aspiration pneumonia, tracheitis, subcutaneous emphysema
or esophageal laceration was observed. In conclusion, the use of double lumen airway
devices warrants further study as an alternative airway management system in dogs.