Ultrasound-assisted injection of the centrodistal joint in the horse.
Authors: Jarosinski Sarah K, Sampson Sarah N, Russell Lauren
Journal: Equine veterinary journal
Summary
# Ultrasound-assisted injection of the centrodistal joint in the horse Centrodistal joint injections are routine in equine practice for both diagnosis and treatment, yet the anatomical complexity of this small tarsal articulation makes blind needle placement unreliable and potentially problematic. Jarosinski, Sampson and Russell evaluated ultrasound guidance as an alternative to traditional palpation and radiographic methods, establishing a practical protocol for real-time visualisation during CD joint needle placement. Their work represents a significant methodological advance: ultrasound offers superior soft tissue visualisation, eliminates radiation exposure, requires no special equipment beyond standard portable units, and enables dynamic assessment of needle advancement. For practitioners seeking to improve injection accuracy and reduce complications such as capsular perforation or inadvertent injection of adjacent structures, this technique warrants adoption into standard practice. Given the frequency with which CD joint pathology features in equine lameness investigations and therapeutic protocols, reliable ultrasound-guided access constitutes a valuable addition to the clinician's diagnostic and interventional toolkit.
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Practical Takeaways
- •Ultrasound guidance offers a portable, real-time alternative to radiographic guidance for CD joint injections in the field or clinic
- •This technique may improve accuracy and reduce procedural complications compared to landmark-based approaches
- •Adding ultrasound-guided CD joint injection to your skillset expands diagnostic and therapeutic options for hock pathology cases
Key Findings
- •Ultrasound-guided injection of the centrodistal joint is technically feasible and represents an alternative to radiographic guidance
- •This technique addresses the challenge of accurately localizing the centrodistal joint for diagnostic and therapeutic injection procedures