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Arthroscopic detection of medial meniscal injury in small-breed dogs with the use of a joint distractor
Joo-ho Kim1,†, Su-Young Heo1,†, Hae-Beom Lee2,*
1College of Veterinary Medicine, Chonbuk National University, Jeonju 561-756, Korea
2College of Veterinary Medicine, Chungnam National University, Daejeon 305-764, 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: June 27, 2016; Revised: November 1, 2016; Accepted: November 23, 2016; Published online: January 4, 2017.
The goal of the present study was to evaluate the diagnostic value of a joint distractor in arthroscopy in small-breed dogs. Sixty stifle joints, which were collected from thirty cadavers, were used in this study. To simulate different injuries, no medial meniscal tear, a full-thickness vertical longitudinal tear, a partial-thickness vertical longitudinal tear, full- and partial-thickness vertical longitudinal tears, or a peripheral detachment were made on the caudal horn of the medial meniscus of each stifle joint along with cranial cruciate ligament (CrCL) rupture. Each stifle joint underwent arthroscopy with and without a joint distractor. The sensitivity (Sn), specificity (Sp), positive predictive value (PPV), negative predictive value (NPV), and correct classification rate (CCR) for the diagnosis of each type of medial meniscus pathology were calculated. For arthroscopy with and without a joint distractor, the Sn was 85% and 60%, the Sp was 96% and 92%, the PPV was 85% and 65%, the NPV was 96% and 90%, and the CCR was 94% and 86%, respectively. Arthroscopy is an available and effective diagnostic method for the assessment of medial meniscal pathologies in small-breed dogs, especially with the aid of a joint distractor.
Keywords: arthroscopy, canine meniscus, joint distractor, small-breed dogs, stifle joint,

© 2017 The Korean Society of Veterinary Science.