Repair of a Comminuted Femur Fracture in a Komodo Dragon (Varanus komodoensis) Using a Double Plating Technique

K. Coleman, C. Hudson, Joe Flanagan
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Abstract

Abstract This report describes double locking compression plate fixation of a moderately comminuted middiaphyseal right femur fracture in a Komodo dragon (Varanus komodoensis). The animal was restrained for a routine examination, during which the dragon struggled to escape restraint. When returned to the exhibit, the dragon did not use the right pelvic limb to walk. A right-sided, closed, middiaphyseal comminuted (type C3) femur fracture was diagnosed using palpation and radiographs, and the animal was transported to a specialty clinic within a few hours for fracture repair. Two locking compression plates were applied in bridging fashion for fracture repair. Radiographs performed at the 4-month postoperative recheck revealed a healed fracture with significant callus formation and stable implants. The dragon was transitioned from cage rest in a restricted space to his normal large exhibit after healing was confirmed, no lameness was observed, and normal limb use was noted. After almost three years, he is still ambulating normally and without lameness. This is the first report of successful femur fracture stabilization using bone plate fixation in a Komodo dragon.
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双电镀技术修复科莫多龙粉碎性股骨骨折
摘要:本报告描述了对科莫多龙(Varanus komodoensis)中度粉碎性右股骨中骨干骨折的双锁定加压钢板固定。这只龙被束缚起来进行例行检查,在此期间,它挣扎着逃脱束缚。当龙回到展览馆时,它没有使用右侧的骨盆肢行走。通过触诊和x线片诊断为右侧闭合性中骨干粉碎性(C3型)股骨骨折,并在几小时内将动物送往专科诊所进行骨折修复。两个锁定加压钢板以桥接方式应用于骨折修复。术后4个月复查时的x线片显示骨折愈合,骨痂形成明显,植入物稳定。龙在确认愈合后,从一个受限空间的笼子里休息过渡到正常的大型展览,没有观察到跛行,并且注意到正常的肢体使用。差不多三年过去了,他仍然能正常行走,没有跛行。这是首例成功使用钢板固定科莫多龙股骨骨折的报道。
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