Factors affecting outcome of extensor tendon lacerations in the distal limb of horses. A retrospective study of 156 cases (1994-2003).

The study examines the impacts of different factors on the recovery of horses from extensor tendon lacerations in the leg. The findings show that majority of the horses returned to normal activity levels after the injury, and the most significant factor contributing to a favorable outcome was the complete suturing of the wound.

Objectives and Methodology

• The aim of this study was to evaluate the effect of injury type and location, treatment methods, and post-surgical complications on the recovery from extensor tendon lacerations in horses’ lower limbs.
• The researchers reviewed the medical records of 156 horses that underwent surgical treatment for this condition over a decade.
• They gathered information on 124 horses that were followed up for at least 18 months and used data from 129 horses for statistical analysis to determine the factors affecting the outcome.

Results

• Approximately 74% of the horses returned to a healthy condition, 17% showed moderate movement impairment, and 9% remained lame.
• About 60% of the sports horses were able to perform at the same or higher level as before the injury, while 17.5% returned to a lower performance level.
• Using multivariate statistical analysis, researchers found that the primary factor influencing a favorable outcome was the complete suturing of the wound.
• They observed no significant association between recovery and the absence of a functional extensor tendon.
• The most common post-surgical complication was extensive wound scarring.

Conclusion

• This research sheds light on the outcomes of extensor tendon lacerations in a large population of horses, emphasizing the crucial role primary wound healing plays in preventing major scarring that could lead to functional issues.