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Treatment of laryngeal paralysis in dogs with laryngeal stent. Case report.

Updated: 6 days ago


Treatment of laryngeal paralysis in dogs with laryngeal stent
Treatment of laryngeal paralysis in dogs with laryngeal stent

Introduction: Laryngeal paralysis (LP) is a common condition in large breed, geriatric dogs, which can be idiopathic or secondary to other diseases. Generally, LP is not diagnosed until the occurrence of an acute and severe respiratory crisis. In this case report, we present the use of a laryngeal stent as a treatment for laryngeal paralysis in a dog, allowing for subsequent surgical procedures and improving its quality of life.

Objective: The present report sought to communicate a clinical case in which a laryngeal stent was used as a treatment for laryngeal paralysis in a dog and that its use allowed subsequent surgical procedures.

Description: Female canine, spayed, 8 years old, weighing 32 kg, giant schnauzer, presented to the surgery service of the Hospital Escuela de la Facultad de Ciencias Veterinarias of the Universidad de Buenos Aires for ablation of a phalanx in the pelvic limb due to a neoformation with a cytological diagnosis of squamous cell carcinoma. Fifteen days prior to the date of surgery she presented to the service with respiratory distress. Clinical examination revealed an alert sensorium, anxious facies, pale mucous membranes, capillary refill time not assessable, respiratory rate 60 movements/minute, heart rate 140 beats/minute, strong pulse, temperature 39.2°C, marked inspiratory dyspnoea. On suspicion of LP, sedation (propofol 3mg/kg EV) was performed for per os laryngoscopy. When the diagnosis was confirmed, stent placement was considered as therapeutic and, depending on the evolution, ablation surgery was rescheduled. Pre-oxygenation of the animal was carried out, and the patient was administered with a stent.


She recovered from the procedure without respiratory effort or stridor. Due to the good tolerance and evolution, the scheduled surgery of the phalanx was performed 15 days after the placement of the prosthesis, there were no complications when intubating with the stent positioned in the larynx, using an endotracheal tube No. 6.5 (smaller than the corresponding size for the patient, but without leaks after pneumotaponing, or modifications in the position of the prosthesis). With the stent in place as the only treatment for PL, the patient had a survival of 14 months (died of other causes).

Conclusion: The laryngeal stent could be a therapeutic alternative for LP. To the authors' knowledge this would be the first case report of intubation through the laryngeal stent for scheduled surgery in a dog. She recovered from the procedure without respiratory effort or stridor. Due to the good tolerance and evolution, the scheduled surgery of the phalanx was performed 15 days after the placement of the prosthesis, there were no complications when intubating with the stent positioned in the larynx, using an endotracheal tube No. 6.5 (smaller than the corresponding size for the patient, but without leaks after pneumotaponing, or modifications in the position of the prosthesis). With the stent in place as the only treatment for PL, the patient had a survival of 14 months (died of other causes).

Conclusion: The laryngeal stent could be a therapeutic alternative for LP. To the authors' knowledge this would be the first case report of intubation through the laryngeal stent for scheduled surgery in a dog.


You can download the full paper at the following link.

use-of-laryngeal-stent-in-canine-in-crisis-respiratory
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