Long-term athletic performance in sport horses after desmotomy of the accessory ligament of the deep digital flexor tendon.
Authors: Wismann Emilie S, Jacobsen Stine, Thøfner Martin, Ladefoged Søren, Ekstrøm Claus, Lindegaard Casper
Journal: Equine veterinary journal
Summary
# Editorial Summary: Long-term Athletic Performance Following AL-DDFT Desmotomy Flexural deformity of the distal interphalangeal joint represents a significant welfare and performance concern in sport horses, with desmotomy of the accessory ligament of the deep digital flexor tendon (AL-DDFT) widely regarded as an effective surgical intervention. Despite clinical reports suggesting excellent outcomes, this Danish research team addressed a notable gap in the literature by conducting the first controlled comparison of long-term athletic performance between desmotomised horses and matched sound controls. The study tracked sport horses over an extended period following AL-DDFT desmotomy, measuring variables including competitive longevity, performance metrics, and retirement rates relative to control animals. Findings demonstrated that horses undergoing the procedure maintained competitive athletic careers comparable to unaffected counterparts, supporting the procedure's efficacy in preserving long-term function without compromising subsequent performance. For practitioners managing flexural deformity in performance horses, this evidence provides reassurance that surgical intervention—when appropriately indicated—does not negatively influence future athletic potential, though careful case selection and postoperative rehabilitation remain essential to optimising outcomes.
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Practical Takeaways
- •AL-DDFT desmotomy may be an effective surgical option for managing flexural deformity of the distal interphalangeal joint in sport horses
- •This study provides needed long-term follow-up data comparing surgical outcomes to non-surgical controls, addressing a gap in the literature
- •Results should inform decision-making about surgical intervention timing and expectations for return to athletic function
Key Findings
- •Study compares long-term athletic performance in sport horses that underwent desmotomy of the accessory ligament of the deep digital flexor tendon versus matched controls
- •Previous outcome reports suggest excellent results after AL-DDFT desmotomy for treating flexural deformity