SHO resulted in significant alteration in frontal plane thoracic limb alignment. Additional studies are necessary to determine if the changes reported using our ex vivo model occur following SHO in vivo.
Objective
To describe articular cartilage (AC) lesions associated with complete lateral meniscal tears in dogs.
Study design
Observational series.
Animals
Seventeen dogs with arthroscopic evidence of a complete lateral meniscal tear and associated AC lesions.
Methods
Medical records of dogs with arthroscopic evidence of complete lateral meniscal tear and associated AC lesions between March 2006 and December 2017 were examined for arthroscopic findings.
Results
The cranial cruciate ligament (CrCL) was intact in 11 of 17 dogs, partially ruptured but competent in 4 of 17 dogs, and completely ruptured in 2 of 17 dogs. All dogs had grossly normal caudal cruciate ligament, medial meniscus, and AC of the medial compartment. In each dog, a complete radial tear of the caudal body of the lateral meniscus was associated with degenerative osteoarthritis (OA) of the lateral compartment of the stifle. The Outerbridge score of the lateral tibial condyle and lateral femoral condyle was 5 of 5 in 15 dogs, 3 of 5 in 1 dog, and 4 of 5 in 1 dog.
Conclusion
Dogs with complete tears of the lateral meniscus developed degenerative OA of the lateral compartment of the stifle leading to AC loss and clinical dysfunction.
Clinical significance
Complete lateral meniscal tears may occur as isolated injuries in dogs with a functional CrCL.
Case series summary Medical records were reviewed for cats that underwent a perineal urethrostomy performed in dorsal recumbency for the treatment of urethral obstruction. Information, including signalment, reason for presentation, number of previous obstructions, surgery time, and perioperative and postoperative complications, were collected through a review of medical records and owner follow-up. The objective was to evaluate short- and long-term complications in cats that underwent perineal urethrostomy performed in dorsal recumbency for treatment of urethral obstruction. Relevance and novel information No major or life-threatening complications, such as urethral stricture, re-obstruction, euthanasia due to lower urinary signs or chronic urinary tract infection, were reported. Short-term complications were limited to dysuria in 2/12 (16.7%) cats. Long-term follow-up was available for nine cats. The most common long-term complication seen in this population of cats was a single recurrence of urinary tract infection in 3/9 (33.3%) cats that resolved after a short course of empirical antibiotic therapy. Performing perineal urethrostomy in dorsal recumbency is safe and may have advantages to ventral recumbency due to improved visualization, allowing for more efficient dissection and improved accuracy in tissue apposition during closure. We believe this has been a major contributor to our reported reduced major postoperative complication rate.
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