Callus Distraction Method for Open Tibial Fracture with Large Bone Defect in a Dog.

概要

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A two-month-old female mongrel dog with open tibial fracture associated with infection and a 4 cm bone defect was treated by the callus distraction (callotasis) method. The local wound was cleaned with hydrogen peroxide solution and by debridement. The tibia was fixed with a halfpin system and was temporally shortened by 2 cm to minimize the gap and not disturb the bone formation there. After confirming callus formation on a radiograph fourteen days after surgery, the callus was distracted by hand for 5 mm four times at a 7 days interval. The bone loss was finally replaced with newly formed callus and the external fixator was removed sixty days after surgery. This method is thus one of a surgical choice to treat fracture associated with bone defect.
獣医麻酔外科学会の論文