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Closed Reduction and Lag Screw Fixation of Sacroiliac Luxations and Fractures

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To describe a technique for closed reduction and percutaneous insertion of a lag screw for fixation of sacroiliac fracture-luxations, and to report the success of this technique in stabilizing sacroiliac fracture-luxations. Study Design

A retrospective clinical study. Study Population

13 consecutive client-owned dogs with sacroiliac fracture-luxations. Methods

Sacroiliac fracture-luxations were stabilized by using a closed reduction and percutaneous lag screw fixation technique. Preoperative, postoperative, and last re-examination radiographs were used to assess the location and number of pelvic injuries, other orthopedic injuries, percent reduction of the sacroiliac joint, percent sacral width screw depth, position of the screw, pelvic canal diameter ratio, hemipelvic canal width ratio, and complications. Information on signalment, weight, weight-bearing status, neurologic status, and complications was obtained from the medical record. Results

Mean percent reduction of the sacroiliac joint was 92.33%. All screws were placed within the sacral body with a mean screw depth/sacral width of 79.03%. No screw loosening occurred. Mean pelvic canal diameter ratios were 0.99, 1.20, and 1.14 preoperatively, immediately postoperatively, and at the last re-examination, respectively. Nine of 13 dogs were willing to walk on the ipsilateral rear leg the day after surgery. Conclusions

Closed reduction and percutaneous insertion of a lag screw for stabilization of fracture-luxation of the sacroiliac joint is an acceptable method of repair. Clinical Relevance

Sacroiliac fracture-luxations can be successfully reduced and stabilized using a minimally invasive technique.

©Copyright 1999 by The American College of Veterinary Surgeons
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Document Type: Research Article

Affiliations: 1: From the Department of Veterinary Medicine and Surgery, College of Veterinary Medicine University of Missouri, Columbia, MO. 2: From the Department of Integrated Technology Services: Biostatistics, School of Medicine, University of Missouri, Columbia, MO.

Publication date: 1999-05-01

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