Journal
VETERINARY SURGERY
Volume 36, Issue 3, Pages 245-251Publisher
WILEY
DOI: 10.1111/j.1532-950X.2007.00258.x
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Objective-To evaluate the effect of a lateral suture technique (LST) on tibial plateau angle (TPA) measurement and to compare TPA with functional outcome in dogs treated for cranial cruciate ligament (CrCL) rupture with LST. Study Design-Prospective clinical study. Sample Population-Dogs (n = 34) with unilateral CrCL instability. Methods-All dogs had lameness examination, survey stifle radiographs, and force plate analysis before and at 6, 12, 24, and 48 weeks after surgery. Radiographic osteoarthritis (OA) scores and lameness scores were assigned using previously reported methods. Preoperative radiographs were performed in all dogs, and postoperative serial radiographs were performed in 6 dogs for measurement of TPA. Differences in TPA measurements were evaluated with a random effects repeated measures model. The significance of LST on TPA measurement was established in 6 dogs and the effect of TPA on vertical impulse, peak vertical force, progression of radiographic scores, and lameness score were analyzed by general linear models in all dogs. Differences were considered significant if P <.05. Results-Significant differences were not noted between pre- and serial postoperative measurements of TPA. A significant correlation was not established between TPA and postoperative vertical impulse, peak vertical force, lameness score, or radiographic OA scores. Conclusions-TPA values were unchanged after LST and TPA does not affect outcome measures in dogs treated with LST. Clinical Relevance-TPA has no predictive value on clinical outcome in dogs treated with LST for stabilization of CrCL deficient stifles. (c) Copyright 2007 by The American College of Veterinary Surgeons.
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