Nonsurgical and surgical management of metacarpo/metatarsophalangeal joint dorsal chip fracture in the Thoroughbred racehorse.
Authors: Ramzan P H L, Wylie C E
Journal: Equine veterinary journal
Summary
# Editorial Summary: Management of MCP/MTP Dorsal Chip Fractures in Thoroughbreds Dorsal osteochondral chip fractures of the fetlock are common in racing Thoroughbreds, yet evidence supporting the routine use of arthroscopic surgery remains limited. Ramzan and Wylie's retrospective analysis of 98 cases (70 non-surgically managed, 28 surgically managed) between 2006 and 2014 provides valuable comparative data on clinical outcomes, medication requirements and racing performance. Return to racing rates were comparable between groups (78.6% non-surgical vs 85.7% surgical, P=0.57), with notably shorter median recovery times for non-surgically managed horses (106 days vs 203 days, P=0.002), and no significant difference in intra-articular medication frequency between cohorts. Surgically managed horses were more likely to have ongoing joint problems reported by their veterinarian, though this did not translate to reduced medication usage. For practitioners, these findings suggest that conservative management warrants consideration as a legitimate first-line option for dorsal chip fractures, particularly given faster return to racing and comparable long-term outcomes, whilst acknowledging the study's limitations including non-randomised allocation and small surgical cohort.
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Practical Takeaways
- •Non-surgical management may be a viable first-line option for dorsal chip fractures of MCP/MTP joints in racehorses, with comparable long-term racing return rates to arthroscopic surgery
- •Non-surgically managed horses return to racing approximately 3 months faster than surgically managed horses, which has significant economic implications for racing operations
- •Surgical management was associated with more ongoing joint problems post-treatment, suggesting non-surgical management may result in better joint outcomes in some cases
Key Findings
- •78.6% of non-surgically managed horses returned to racing compared to 85.7% of surgically managed horses (P=0.57), showing no significant difference in racing return rates
- •Non-surgically managed horses returned to racing significantly faster with median 106 days vs 203 days for surgically managed horses (P=0.002)
- •Surgically managed horses had significantly more reported ongoing joint problems than non-surgically managed horses (P=0.002)
- •No significant difference in intra-articular medication frequency between non-surgical and surgical management groups (P=0.22)