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A Systematic Review of the Literature Describing the Efficacy of Surgical Treatments for Canine Hip Dysplasia (1948–2012)

Authors

  • Mary Sarah Bergh DVM, MS, Diplomate ACVS & ACVSMR,

    Corresponding author
    1. Department of Veterinary Clinical Sciences, Iowa State University College of Veterinary Medicine, Ames, Iowa
    • Corresponding Author

      Mary Sarah Bergh, DVM, MS, Diplomate ACVS & ACVSMR, Department of Veterinary Clinical Sciences, Iowa State University College of Veterinary Medicine, 1600 S. 16th St., Ames, IA 50010.

      E-mail: msbergh@iastate.edu

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  • Steven C. Budsberg DVM, MS, Diplomate ACVS

    1. Department of Small Animal Medicine and Surgery, University of Georgia College of Veterinary Medicine, Athens, Georgia
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  • Presented in part at the 38th Annual Conference Veterinary Orthopedic Society, March 5–12, 2011, Snowmass, CO, and the American College of Veterinary Surgeons Symposium, November 1–3, 2012, National Harbor, MD (symposium was canceled, data in abstract form).

Abstract

Objective

To systematically evaluate the literature reporting outcome of surgical treatments for canine hip dysplasia (CHD) and to evaluate whether adequate evidence exists to support a procedure that will allow a consistent return to normal function.

Study Design

Systematic literature review.

Animals

Dogs with naturally occurring CHD.

Methods

An a priori question was defined and a computer-based bibliographic search was performed on PubMed, Medline, CAB Abstracts, and Veterinary Information Network through November 2012. Studies were compared and evaluated with regard to surgical technique, study design, outcome measurements, evidence classification, and evidence quality. Unilateral surgeries with >6 months postoperative follow-up were included.

Results

Manuscripts (n = 477) were identified and reviewed; 17 met the inclusion criteria. One study provided level I evidence, 2 provided level II evidence, 3 provided level III evidence, and 11 provided level IV evidence relative to the study question. The most common outcome measurements were orthopedic examination (70.6%), owner interview (70.6%), and visual gait observation (64.7%). Three studies used objective kinetic gait assessment. Two studies with level III evidence (total hip replacement) and 1 study with level IV evidence (juvenile pubic symphysiodesis) documented a consistent return to normal function after surgery.

Conclusions

Despite a large number of publications describing clinical outcome after surgical treatments for CHD, few provided strong evidence to allow an adequate assessment of therapeutic efficacy.

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