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Evaluation of an arthroscopic stifle lever for stifle joint distraction in toy breed dogs
Ji Yong Park, Bum Soo Jeong, Yoon Seok Roh, Seong Mok Jeong, Hae Beom Lee*
College of Veterinary Medicine, Chungnam National University, Daejeon 34134, South Korea
Correspondence to: Tel: +82-42-821-6757; Fax: +82-42-821-8903; E-mail: seatiger76@cnu.ac.kr
The first two authors contributed equally to this work.
Received: April 24, 2018; Revised: July 6, 2018; Accepted: July 13, 2018; Published online: July 20, 2018.
Arthroscopy has become an attractive modality in diagnoses and treatment of joint diseases in toy breed dogs. However, application of arthroscopy is limited by small joint space. Our objective was to evaluate the efficacy of a stifle lever for joint distraction during stifle arthroscopy in toy breed dogs. Paired stifles (n = 32 each) collected from 16 cadavers of toy breed dogs were randomly divided in two groups: the stifle lever group or the external manipulation group. All stifles underwent arthroscopic cranial cruciate ligament (CrCL) transection, and the visualization of the medial meniscus was evaluated. Medial meniscal release (MMR) was then performed. Following the arthroscopic examination, the success rates of MMR, and the damages of tibial and femoral cartilage were evaluated. The visualization of the medial meniscus was significantly better, and meniscal probing was significantly easier in the stifle lever group than in the external manipulation group (p = 0.001). There were no significant differences between groups for MMR success or the damage of articular cartilage. Using the stifle lever on arthroscopic examination improved visualization and probing on the medial meniscus in toy breed dogs. The stifle lever can be used as a good modality in assessing medial meniscal pathology in toy breed dogs.
Keywords: Arthroscopy, Distraction, Meniscus Injury, Stifle Lever, Toy Breed Dogs

© 2018 The Korean Society of Veterinary Science.