Transthecal Arthroscopy of the Palmar Distal Interphalangeal Joint in the Horse: A Cadaver Study

Veterinary Surgery : VS
Luis M Rubio-MartínezNicolás F Villarino

Abstract

To describe a transthecal approach to the palmar pouch of the distal interphalangeal joint (DIPJ) in horses and compare it with the conventional blind arthroscopic technique. Ex vivo study. Cadaver forelimbs (n = 26 pairs) from mature horses. One limb from each pair was randomly assigned to each arthroscopic approach (conventional or transthecal). The conventional arthroscopic approach was performed as previously described and the transthecal approach was performed through sharp dissection of the distal reflection of the digital flexor tendon sheath (DFTS). The proportion (0-100%) of the navicular bone, palmar aspect of the condyles of the 2nd phalanx, collateral sesamoidean ligaments, and palmar synovial pouches of the DIPJ visualized by each approach was estimated. Limbs were dissected and iatrogenic damage of relevant structures was assessed. Nondirectional Mann-Whitney U-test was used to compare groups. Significance was set at P < .05. The transthecal approach provided greater visualization of the navicular bone (P < .001), palmar aspect of the 2nd phalanx (P < .001), and palmar synovial pouches of the DIPJ (P < .001) than the conventional approach. There were no significant differences in iatrogenic damage between approach...Continue Reading

Citations

Jan 5, 2019·Anatomia, histologia, embryologia·Fanny HontoirJean-Michel E Vandeweerd

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