Transient Horner's syndrome in horses following cervical plexus local anesthesia.

To report the development of transient Horner's syndrome in horses following local anesthesia of the cervical plexus. A total of 37 horses. Observational retrospective short case series. Medical records of cases undergoing ultrasound-guided cervical plexus anesthesia for standing prosthetic laryngoplasty at a single referral institution were evaluated (2019-2020). Five of 37 horses (14%) developed transient signs of Horner's syndrome postoperatively. Obvious clinical signs began 2 to 5 h following local anesthesia and persisted for two to 4 h. Profuse unilateral sweating of the head and upper neck was the most apparent clinical sign. Transient clinical signs of Horner's syndrome were seen following unilateral local anesthesia of the cervical plexus. Long-term adverse sequelae were not observed. © 2023 The Authors. Veterinary Surgery published by Wiley Periodicals LLC on behalf of American College of Veterinary Surgeons.

Citation

Duncan J Pearce, Jennifer Raffetto, Stuart A Vallance. Transient Horner's syndrome in horses following cervical plexus local anesthesia. Veterinary surgery : VS. 2024 May;53(4):642-647

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PMID: 38010125

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