Navicular bursoscopy in the horse: a comparative study.
Abstract: To compare the proportion of the proximal recess of the navicular bursa that could be examined through a single endoscopic portal and the severity of iatrogenic lesions between conventional and modified approaches. Methods: Descriptive study. Methods: Equine cadaver forelimbs (n=16). Methods: Arthroscopic access to the navicular bursa in 1 limb of each pair was by a conventional approach and in the other limb, by a modified approach using sharp dissection through the distal digital flexor sheath, immediately palmar to the T ligament. The time required to access the bursa and the estimated proportion of the navicular bone that could be seen with each approach were recorded. Iatrogenic damage to the navicular bone and the deep digital flexor tendon (DDFT) were quantified. Results: The mean access time to the navicular bursa using the conventional approach was 1.21+/-0.41 minutes compared with 2.09+/-0.86 minutes using the modified technique. The estimated proportions of the bursa visible through a single endoscopic portal using the conventional and modified approaches were 60% and 80%, respectively. Scores for navicular bone (P=.003) and DDFT (P=.012) damage using the conventional approach were significantly higher than those using the modified approach. Conclusions: A modified, transthecal approach to the navicular bursa under direct observation resulted in significantly less iatrogenic damage than the conventional approach. Conclusions: With experience, the modified approach is straightforward, reasonably rapid, and allows near-complete examination of the navicular bursa through a single portal, with minimal iatrogenic damage to the intrabursal structures.
Publication Date: 2010-05-06 PubMed ID: 20459498DOI: 10.1111/j.1532-950X.2010.00698.xGoogle Scholar: Lookup
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- Comparative Study
- Journal Article
Summary
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This study compares two different procedures for examining the navicular bursa in horses; the traditional method and a modified technique which requires a specific kind of dissection. Comparisons were made in terms of the time taken, the extent of the bursa that could be viewed, and damage caused to the bone and tendon. The modified approach proved to deliver a more complete view of the bursa, less damage, and was considered reasonably quick and straightforward to perform.
Method
- The researchers used 16 equine forelimbs for their study. One limb from each pair was operated on using the traditional method, the other using the modified approach.
- The study compared the time it took for each procedure, how much of the navicular bursa could be seen from a single portal opening, and the amount of accidental (iatrogenic) damage to the navicular bone and deep digital flexor tendon (DDFT).
Results
- On average, the traditional approach took 1.21 minutes to access the bursa, compared to 2.09 minutes with the modified technique.
- In terms of visibility, the traditional method allowed for approximately 60% of the navicular bursa to be examined through a single endoscopic portal, while the modified approach allowed for a clearer view of around 80%.
- Significantly less damage to the navicular bone and DDFT was observed when using the modified technique compared to the traditional one.
Conclusions
- The researchers concluded that compared to the traditional technique, the modified, transthecal approach to the navicular bursa resulted in significantly less damage to the nearby structures.
- Despite taking slightly longer, the method offered a better view of the navicular bursa through a single opening and was deemed straightforward and reasonably quick with experience.
- The researchers recommend using the modified approach to minimise the harm to the horse and to gain a more thorough view of the navicular bursa.
Cite This Article
APA
Haupt JL, Caron JP.
(2010).
Navicular bursoscopy in the horse: a comparative study.
Vet Surg, 39(6), 742-747.
https://doi.org/10.1111/j.1532-950X.2010.00698.x Publication
Researcher Affiliations
- Department of Large Animal Clinical Sciences, College of Veterinary Medicine, Michigan State University, East Lansing, MI, USA.
MeSH Terms
- Animals
- Arthroscopy / methods
- Arthroscopy / veterinary
- Bursa, Synovial / pathology
- Bursa, Synovial / surgery
- Cadaver
- Forelimb
- Horses / surgery
- Ligaments, Articular / pathology
- Tarsal Bones / pathology
- Tarsal Bones / surgery
- Tendons / pathology
- Tendons / surgery
Citations
This article has been cited 1 times.- Kane-Smyth J, Taylor SE, García EC, Reardon RJ. Frequency of Penetration of the Digital Flexor Tendon Sheath and Distal Interphalangeal Joint Using a Direct Endoscopic Approach to the Navicular Bursa in Horses. Vet Surg 2016 Apr;45(3):380-5.
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