Peer-reviewed veterinary case report
Hip improvement two years after juvenile pubic symphysiodesis
By Dueland, R T et al.·Published in Veterinary and comparative orthopaedics and traumatology : V.C.O.T·2010·Department of Surgical Sciences, United States·View original on PubMed →
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Original publication title: Canine hip dysplasia treated by juvenile pubic symphysiodesis. Part I: two year results of computed tomography and distraction index.
- Species:
- dog
Plain-English summary
A group of 39 puppies at risk for hip dysplasia underwent a surgery called juvenile pubic symphysiodesis (JPS) between 12 and 24 weeks of age to improve their hip joint structure. After one and two years, the puppies showed significant improvements in hip angles and reduced joint laxity compared to those who did not have the surgery. The puppies that had the JPS surgery experienced better hip conformation and less risk of developing arthritis later on. This suggests that early intervention can be very beneficial for puppies with hip issues.
People also search for: puppy hip dysplasia treatment · juvenile pubic symphysiodesis for dogs · signs of hip dysplasia in puppies
Abstract
OBJECTIVES: To measure one and two year effects of juvenile pubic symphysiodesis (JPS) in puppies defined as 'at-risk' for canine hip dysplasia (CHD) using the following objective hip conformation criteria: Acetabular angle (AA), dorsal acetabular rim angle (DARA) and hip laxity (PennHIP© distraction index (DI). DESIGN: Controlled clinical case study. ANIMALS: Thirty-nine dysplastic puppies (six controls). PROCEDURES: The dogs were anaesthetised and acetabular angle, DARA, and DI values were obtained by computed tomography and radiography preoperatively. Electro-cautery fusion of the pubic symphysis was performed between 12 - 24 weeks of age. The imaging was repeated at one and two years of age. RESULTS: Significant hip improvements were seen at the two-year follow-up appointments for: AA (JPS dogs 31% increase, control 3%), DARA (JPS 38% decrease, control 15%) and DI (JPS 41% decrease in laxity, controls 20%) for all postoperative versus preoperative values. Pubic fusion occurred with minor morbidity. CONCLUSION: Juvenile pubic symphysiodesis resulted in significant improvements in hip conformation (AA and DARA), especially in mild to moderately lax hips (DI = 0.40-0.69). Most dogs with DI≥0.70 increased in osteoarthritis grade by two years of age. CLINICAL RELEVANCE: Juvenile pubic symphysiodesis surgery at 12-24 weeks of age significantly improved hip conformation and decreased laxity in at-risk CHD dogs. Early-age (12 to 16 week) recognition of hip laxity offered greater JPS benefits than surgery performed at 19- to 24-weeks-old. Dogs with severe laxity (DI≥0.70) continued to increase in osteoarthritis. An early (12-16 weeks) positive laxity test (Ortolani) should alert one to obtain objective laxity determinations (PennHIP© DI).
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/20740258/