ArticleOpen veterinary journal2025
Autologous conditioned serum IRAP efficacy for tendon and ligament injuries in horses: An observational study.
Article in Open veterinary journal, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: Tendon and ligament injuries in equine athletes pose significant challenges, often leading to prolonged recovery, reduced performance, and increased risk of reinjury. Current treatment strategies, including conservative and surgical approaches, have shown limited success in fully restoring tendon integrity. Autologous blood derivatives, such as autologous conditioned serum (ACS), have emerged as potential regenerative therapies. However, the clinical efficacy of ACS in the treatment of equine tendinopathies remains under investigation. Aim: This study aimed to compare the clinical outcomes between intralesional ACS injections and conservative treatment in horses diagnosed with superficial digital flexor tendon (SDFT), deep digital flexor tendon (DDFT), and suspensory ligament (SL) injuries. Methods: This retrospective observational case-control study used clinical data from 100 horses evaluated for lameness between 2017 and 2022. Horses were categorized into two groups: the IRAP group ( Results: At 4 weeks, improvement in lameness was observed in 51.5% and 55.6% of the IRAP and NO-IRAP groups, respectively. At 8 weeks, improvement rates were 47% and 42.2%, respectively. By 12 weeks, 60.7% of the IRAP group and 55% of the NO-IRAP group showed improvement. However, a subset of horses in the IRAP group experienced transient worsening of lameness (8.5%-17.7%). Stratification by lesion type revealed better outcomes in the IRAP group for SDFT (58.3% Conclusion: The study suggests that ACS treatment enhances tendon and ligament healing, particularly in SDFT and SL injuries. However, the transient worsening of lameness observed in some horses receiving ACS warrants further investigation. Although these findings support the potential benefits of ACS, controlled randomized clinical trials are needed to validate its efficacy and optimize treatment protocols for equine tendon and ligament pathologies.
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