Subtotal coronoid ostectomy for treatment of medial coronoid disease in 263 dogs

Noel Fitzpatrick, Thomas J. Smith, Richard B. Evans, Jerry O'Riordan, Russell Yeadon

Research output: Contribution to journalArticlepeer-review

50 Scopus citations


Objective To document clinical outcomes after subtotal coronoid ostectomy (SCO) for treatment of medial coronoid disease (MCD). Study Design Prospective clinical study. Animals Dogs (n=263) with MCD. Methods MCD was treated by a combination of SCO via mini-arthrotomy, cage confinement (6 weeks), leash restricted exercise (12 weeks) and pentosan polysulfate administration. Outcomes were assessed by clinical examination in the short-term (324 elbows), owner questionnaires (146 dogs), clinical examination (90 dogs), subjective assessment of gait (110 elbows) and radiographic examination (180 elbows), 4 months to 7 years 7 months after surgery. Results One intraoperative complication occurred (1 elbow with fissuring of the ulna) and 8.2% elbows had immediate postoperative complications, the most common being wound infection (7%). Improvement in subjective lameness assessment to a score of 0 was noted at 5 weeks in 74.4% of elbows (veterinary) and 45.6% (owner) and at 12 weeks in 71.5% (veterinary), and 91.2% (owner). Subjective assessments of outcomes in the medium-term revealed 81.9% dogs remained sound, with significantly (P<.05) improved daily function scores compared with preoperative values, 83.5% of dogs received no NSAID. Clinical examination revealed good limb function and subjective assessment showed 51% of limbs were free from lameness. Radiographic progression of osteophytosis occurred on average by one grade. Conclusion Management of MCD using the described management regime, including SCO via mini-arthrotomy, deserves consideration and comparison with existing treatment methods. Clinical Significance Management of MCD by SCO can be considered when gross fissuring or fragmentation of the MCP is not evident. This technique does not require specialized instrumentation.

Original languageEnglish (US)
Pages (from-to)233-245
Number of pages13
JournalVeterinary Surgery
Issue number2
StatePublished - Feb 2009
Externally publishedYes


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