Philip Leverhulme Equine Hospital, School of Veterinary Science, Neston, UK.
Small Animal Teaching Hospital, School of Veterinary Science, Neston, UK.
Vet Surg. 2023 Nov;52(8):1209-1218. doi: 10.1111/vsu.14032. Epub 2023 Sep 26.
To describe the surgical treatment, postoperative management, and outcome of a miniature horse undergoing total hip arthroplasty (THA).
Case report.
A 4-year-old miniature horse stallion weighing 85 kg.
The horse presented with left coxofemoral luxation of ~6 weeks duration. Computed tomography confirmed craniodorsal luxation with marked degenerative changes to the femoral head. The horse underwent THA using cementless press fit implants, including an interlocking lateral bolt for the femoral stem.
The horse recovered well from anesthesia but suffered a coma-like episode after returning to a stable. Following treatment of presumed hypovolemia, the horse regained normal mentation and was discharged 24 days after surgery. At reassessment 12 weeks postoperatively, the horse was 2/10 left hind limb lameness at trot with good healing of the surgery site. Five months postoperatively mild (1/10) lameness remained at trot but the horse was able to canter normally on both reins. The horse has since been managed normally with no veterinary treatment required for 32 months postoperatively.
Total hip arthroplasty is possible in miniature horses weighing up to 85 kg and can result in a good long-term outcome.
描述一匹进行全髋关节置换术（THA）的小型马的手术治疗、术后管理和结果。
病例报告。
一匹 4 岁的雄性小型马，体重 85 公斤。
这匹马出现左侧髋关节脱位，持续约 6 周。计算机断层扫描证实存在颅背侧脱位，股骨头有明显退行性改变。这匹马使用非骨水泥压配合植入物进行 THA，包括用于股骨柄的互锁侧螺栓。
这匹马从麻醉中恢复良好，但在回到稳定状态后出现昏迷样发作。在疑似低血容量治疗后，马恢复了正常的精神状态，并在手术后 24 天出院。术后 12 周再次评估时，这匹马在小跑时左侧后肢跛行 2/10 分，手术部位愈合良好。术后 5 个月，小跑时仍有轻度（1/10）跛行，但马可以在双侧缰绳上正常慢跑。此后，这匹马在术后 32 个月内正常管理，无需任何兽医治疗。
体重达 85 公斤的小型马可以进行全髋关节置换术，并且可以获得良好的长期效果。
