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Archive (2005–2015)

High energy focused shock wave therapy accelerates bone healing

Journal: Veterinary and Comparative Orthopaedics and Traumatology (VCOT)
ISSN: 0932-0814
DOI: http://dx.doi.org/10.3415/VCOT-15-05-0084
Issue: 2015: Issue 6 2015
Pages: 425-432
Ahead of Print: 2015-10-09

High energy focused shock wave therapy accelerates bone healing

A blinded, prospective, randomized canine clinical trial

Online Supplementary Material

N. R. Kieves (1), C. S. MacKay (2), K. Adducci (1), S. Rao (1), C. Goh (1), R. H. Palmer (1), F. M. Duerr

(1) Colorado State University Veterinary Teaching Hospital, Department of Clinical Sciences; (2) Colorado State University, Department of Environmental and Radiological Health Sciences

Keywords

bone healing, shock wave therapy, Tibial plateau leveling osteotomy, canine cruciate disease

Summary

Objectives: To evaluate the influence of shock wave therapy (SWT) on radiographic evidence of bone healing after tibial plateau leveling osteotomy (TPLO). Methods: Healthy dogs between two to nine years of age that underwent TPLO were randomly assigned to receive either electro-hydraulic SWT (1,000 shocks) or sham treatment (SHAM). Treatment or SHAM was administered to the osteotomy site immediately postoperatively and two weeks postoperatively. Three blinded radiologists evaluated orthogonal radiographs performed eight weeks postoperatively with both a 5-point and a 10-point bone healing scale. Linear regression analysis was used to compare median healing scores between groups. Results: Forty-two dogs (50 stifles) were included in the statistical analysis. No major complications were observed and all osteotomies healed uneventfully. The median healing scores were significantly higher at eight weeks postoperatively for the SWT group compared to the SHAM group for the 10-point (p <0.0002) and 5-point scoring systems (p <0.0001). Clinical significance: Shock wave therapy applied immediately and two weeks postoperatively led to more advanced bone healing at the eight week time point in this study population. The results of this study support the use of electro-hydraulic SWT as a means of accelerating acute bone healing of canine osteotomies. Additional studies are needed to evaluate its use for acceleration of bone healing following fracture, or with delayed union.

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