Equine laminitis model: cryotherapy reduces the severity of lesions evaluated seven days after induction with oligofructose.
Authors: Van Eps A W, Pollitt C C
Journal: Equine veterinary journal
Summary
# Editorial Summary: Van Eps & Pollitt (2009) — Distal Limb Cryotherapy in Oligofructose-Induced Laminitis Using a controlled model with 18 Standardbred horses divided into three groups—cryotherapy alone, oligofructose-induced laminitis with cryotherapy, and untreated laminitis controls—researchers applied 72-hour continuous distal limb cryotherapy either preventatively or immediately following laminitis induction, then evaluated clinical signs and histopathological changes seven days post-induction. Horses receiving cryotherapy during the developmental phase of laminitis demonstrated significantly reduced clinical lameness severity and substantially fewer lamellar tissue lesions compared to untreated laminitic controls, whilst cryotherapy alone produced no adverse effects. This finding is particularly significant because it demonstrates that the protective effects of cooling extend well beyond the treatment period itself—a critical requirement for practical clinical application where prolonged cooling for at least 72 hours appears necessary. For equine professionals managing high-risk cases (colitis, grain overload, severe inflammation), these results support implementing distal limb cryotherapy as a preventative intervention during the earliest stages of systemic illness, potentially averting or substantially limiting the tissue damage and clinical severity of laminitis before irreversible pathology develops.
Read the full abstract on PubMed
Practical Takeaways
- •Continuous 72-hour distal limb cryotherapy is a safe, practical intervention to prevent or reduce severity of laminitis in at-risk horses during the early developmental phase
- •Applying cryotherapy immediately after exposure to laminitis triggers (such as grain overload) can significantly reduce subsequent clinical lameness and tissue damage
- •Cryotherapy effects persist beyond the 72-hour treatment window, making it a practical field-applicable method for emergency management of laminitis risk
Key Findings
- •72-hour continuous distal limb cryotherapy significantly reduced clinical lameness and histopathological lesions in oligofructose-induced laminitis compared to untreated controls at 7 days post-induction
- •Cryotherapy applied immediately after laminitis-inducing oligofructose dosing effectively ameliorated both clinical signs and lamellar pathology
- •Cryotherapy alone produced no significant lameness or adverse effects, demonstrating safety of the intervention
- •The protective effect of 72-hour cryotherapy extended beyond the treatment period to the 7-day evaluation timepoint