A 1-year old female spayed Doberman Pinscher has presented after being hit by a car. Initial chest radiographs show mild contusions, and the patient appears to be otherwise stable. A right mid-shaft long oblique femoral fracture has been identified. Routine pre-operative blood work is unremarkable. A buccal mucosal bleeding test (BMBT) is elevated at 6 minutes. What will you administer prior to surgery？
一只1岁的雌性已绝育杜宾犬由于被车撞了前来就诊。初诊时的胸腔X光片提示轻微肺挫伤，但动物目前状态看上去很稳定。还发现该犬出现右侧股骨中段斜骨折。常规术前血液检查没有明显异常。颊粘膜出血时间升高到6分钟。术前你会给予哪种药物？