Assessment of the medium‐ to long‐term radiographically confirmed outcome for juvenile dogs with hip dysplasia treated with double pelvic osteotomy

Objective To assess the medium‐ to long‐term radiographically confirmed outcomes in juvenile dogs with hip dysplasia (HD) that did and did not undergo double pelvic osteotomy (DPO). Study design Retrospective case‐controlled. Animals Twenty‐six dogs with HD that were candidates for DPO; 22 dogs unde...

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Published in:Veterinary surgery 2020-05, Vol.49 (4), p.685-693
Main Authors: Jenkins, Paul L., James, Daniel R., White, Joanna D., Black, Anthony P., Fearnside, Stephen M., Marchevsky, Andrew M., Miller, Amanda J., Cashmore, Ricky G.
Format: Article
Language:English
Subjects:
Arthritis
Biomedical materials
Bone dysplasia
Correlation analysis
Dogs
Hip
Osteoarthritis
Osteotomy
Radiographs
Radiography
Surgery
Variance analysis
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Summary:Objective To assess the medium‐ to long‐term radiographically confirmed outcomes in juvenile dogs with hip dysplasia (HD) that did and did not undergo double pelvic osteotomy (DPO). Study design Retrospective case‐controlled. Animals Twenty‐six dogs with HD that were candidates for DPO; 22 dogs underwent DPO (16 bilateral, six unilateral); four dogs did not. Methods Initial and follow‐up radiographs of DPO candidates (2011‐2017) that did and did not undergo surgery were reviewed, and the British Veterinary Association and Kennel Club Hip Dysplasia Scheme score (BVA‐HD), osteoarthritis score (OAS) and laxity index score (LI) were determined. Baseline and follow‐up BVA‐HD, OAS, and change in radiographically confirmed scores were compared by using analysis of variance for correlated samples. Results There was no significant difference in BVA‐HD or OAS between surgically treated and nonsurgically treated cohorts at baseline. Follow‐up radiographs (median, 49 months) revealed that most (34/38) hips had a BVA‐HD ≤10 after DPO, while four of eight hips from the nonsurgical cohort had BVA‐HD >10. Follow‐up BVA‐HD and OAS were lower in hips after surgery (BVA‐HD median 2.15, interquartile range [Q1‐Q3] 1.3‐4.1; OAS median 1.9, Q1‐Q3 1.1‐4.1) compared with the nonsurgically treated cohort (BVA‐HD median 11.4, Q1‐Q3 8.1‐17.5, P  1 was not a contraindication for DPO in this study. Clinical significance Double pelvic osteotomy prevents progression of radiographically confirmed features of osteoarthritis in juvenile dogs with HD.
ISSN:0161-3499
1532-950X
DOI:10.1111/vsu.13404