Radial shock wave therapy in dogs with hip osteoarthritis

Alexandre N. A. Souza; Marcio P. Ferreira; Stefano C. F. Hagen; Geni C. F. Patricio; Julia M. Matera

doi:10.3415/VCOT-15-01-0017

Veterinary and Comparative Orthopaedics and Traumatology, Table of Contents

Vet Comp Orthop Traumatol 2016; 29(02): 108-114
DOI: 10.3415/VCOT-15-01-0017

Original Research

Schattauer GmbH

Radial shock wave therapy in dogs with hip osteoarthritis

Authors

Alexandre N. A. Souza

¹Department of Surgery, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo
Marcio P. Ferreira

¹Department of Surgery, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo
Stefano C. F. Hagen

¹Department of Surgery, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo
Geni C. F. Patricio

¹Department of Surgery, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo
Julia M. Matera

¹Department of Surgery, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo

Abstract

Summary

Objective: The study aims were to evaluate the effects of radial shock wave therapy (RSWT) in dogs with hip osteoarthritis (OA) using clinical assessment and kinetic analysis.

Methods: Thirty dogs diagnosed with bilateral hip OA and 30 healthy dogs were used. In OA dogs, one limb was randomly selected for treatment with RSWT while the contra -lateral limb served as an untreated control. Dogs were evaluated while walking on a pressure walkway. Peak vertical force (PVF) and vertical impulse (VI) were documented; symmetry index (SI) was also calculated. Blinded clinical evaluation was performed using a visual analogue scale (VAS). Owner perception data regarding levels of physical activity were also collected. The RSWT protocol (2000 pulses, 10 Hz, 2–3.4 bars) consisted of three weekly treatment sessions (days 1, 8 and 16). Follow-up data were collected 30, 60 and 90 days after the first session. Data were compared between time points, groups and limbs pairs.

Results: At the end of the experimental period, mean PVF and VI values had increased (25.9 to 27.6%BW and 2.1 to 12.7%BW × s respectively) in treated limbs, with no significant differences in control limbs; SI values suggest improvement. Mean PVF and VI remained lower in the treated compared to the healthy group following treatment. The VAS scores suggested improvement in pain and lameness in treated dogs. Owner perception data suggested improved levels of physical activity following treatment.

Conclusions and clinical significance: Outcomes of this study suggested beneficial effects of RSWT in dogs with hip osteoarthritis.

Keywords

Dog - hip - osteoarthritis - kinetic analysis - shockwave therapy

Full Text

References

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