Ceratohyoidectomy in standing sedated horses.

Racine, Julien; O'Brien, Thomas; Bladon, Bruce M; Cruz Madorran, Antonio Manuel; Stoffel, Michael Hubert; Haenssgen, Kati; Rodgerson, Dwayne H; Livesey, Michael A; Koch, Christoph (2019). Ceratohyoidectomy in standing sedated horses. Veterinary surgery, 48(8), pp. 1391-1398. Wiley-Blackwell 10.1111/vsu.13319

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OBJECTIVE

To investigate the feasibility and complications associated with ceratohyoidectomy (CHE) in standing sedated horses unaffected (experimental horses) and standing sedated horses affected (clinical cases) with temporohyoid osteoarthropathy (THO).

STUDY DESIGN

Case series.

ANIMALS

Six experimental horses and four clinical cases.

METHODS

Standing CHE was performed in six experimental horses euthanized 30 minutes (n = 3) and 7 days (n = 3) postoperatively. The four clinical cases were presented because of central facial nerve paralysis (n = 3), vestibular ataxia (n = 3), auricular hemorrhage (n = 2), quidding (n = 1), and oesophageal impaction (n = 1). Evolution was assessed by clinical examination during hospitalization and later by telephone interviews for the clinical cases.

RESULTS

The procedure was successfully performed in all horses. Experimental horses did not show any short-term postoperative complications. Hemorrhage was experienced intraoperatively in one of the clinical cases and was successfully managed with placement of hemostatic forceps. Vestibular ataxia and other symptoms of THO improved within days, but facial nerve paralysis did not improve until 9 days to 6 months after surgery. Follow-up ranged from 9 to 24 months. All clinical cases returned to performance, and client satisfaction was excellent.

CONCLUSION

Ceratohyoidectomy was consistently feasible in standing sedated horses. The method did not result in postoperative complications and led to resolution of clinical signs associated with THO.

CLINICAL SIGNIFICANCE

Standing CHE should be considered in horses affected with THO, especially when horses present with marked vestibular deficits and ataxia, to reduce risks associated with recovery from general anesthesia.

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5 Citations in Web of Science ®
6 Citations in Scopus

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