Angular Limb Deformities: Growth Augmentation.
Authors: García-López
Journal: The Veterinary clinics of North America. Equine practice
Summary
# Editorial Summary: Angular Limb Deformities: Growth Augmentation Angular limb deformities in foals—characterised by lateral or medial deviation of the limb in the frontal plane distal to a joint—develop through multiple aetiological factors, and their long-term management depends critically on early assessment of cuboidal bone ossification status to prevent complications. García-López reviewed growth augmentation surgical techniques, principally hemicircumferential transection and elevation procedures, which are indicated when conservative measures including exercise modification and therapeutic farriery fail to achieve self-correction. Whilst the majority of angular deformities resolve with minimal intervention alone, surgical growth acceleration becomes necessary in select cases to restore limb alignment during the critical developmental window. Practitioners should recognise that timing of intervention relative to skeletal maturity is paramount, and that these growth-modulating techniques offer a viable alternative to the more commonly employed growth retardation approaches. Understanding the biomechanical principles and surgical protocols underlying growth augmentation enables farriers, veterinarians, and rehabilitation specialists to coordinate appropriate management strategies and communicate realistic prognoses to clients.
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Practical Takeaways
- •Early assessment of cuboidal bone ossification is critical to determine prognosis and avoid long-term complications in foals with angular limb deformities
- •Conservative management with exercise modification and corrective trimming should be attempted first, as most cases resolve without surgery
- •Surgical growth acceleration or retardation techniques are available when conservative approaches fail to correct the deformity
Key Findings
- •Angular limb deformities are lateral or medial deviations distal to a joint in young foals and can be assessed by evaluating cuboidal bone ossification status
- •Most angular deviations self-correct with conservative management including exercise modification and hoof trimming alone
- •Growth augmentation techniques such as hemicircumferential transection and elevation are surgical interventions available for deformities requiring intervention