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OJVRTM
Online Journal of Veterinary Research©
Volume 17(9):496-502, 2013.Redacted 2017.
Surgical repair of bilateral mandibular
multiple fracture in a thoroughbred stallion
Alireza Raayat Jahromi
Department of clinical
studies, school of veterinary medicine, Shiraz university,
Shiraz, Iran
Jahromi AR., Surgical repair of
bilateral mandibular multiple fracture in a thoroughbred stallion, Onl J Vet Res., 17(9):496-502, 2013. A 10-year-old
Thoroughbred stallion was presented due to mandibular fracture 3 days after being kicked in the jaw by
another stallion. After sedation with acepromazine (0.05 mg kg-1, IV), oral examination depicted an open
multiple fracture with moderate soft-tissue injury and bone ends exposed to the
oral mucosa. Preoperative radiographs revealed a long oblique fracture through
the left interdental space toward mandibular symphysis, another from mandibular
symphysis to the right canine tooth. Anesthetic induction was performed
intravenously with a combination of xylazine (1 mg kg-1)
and ketamine (2 mg kg-1). The combination was extended by
administration of half the initial dose of both xylazine
and ketamine at approximately 20 minute intervals until the end of operation.
Mental nerve block of the both sides was accomplished. A combination of various techniques including
wiring of the incisors, intraoral tension band wiring to the cheek teeth and intramedulary pins were applied. Immediate postoperative lateromedial radiograph revealed a satisfactory anatomic alignment and stable fixation. The animal quickly returned to routine feeding. Cefazolin sodium
(15 mg kg-1) was administered by intramuscular injection as
preoperative antibiotic and continued 7 days post-operatively. Phenylbutazone (4.4 mg kg-1, IV) was
administered for 4 days. No special complication was observed during 4 months
follow-up study. The excellent regional vascular supply, relatively stable
nature of fractures, and lack of constant distracting forces allow mandibular
fractures healing in spite of these factors. Wire repair of fractures achieves
these goals, is inexpensive, does not require specialized skills or materials,
and can often be performed without the need for inhalation anesthesia.
Keywords:
bilateral mandibular multiple fracture, stallion.
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