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J Vet Sci 2017; 18(4): 515-520  https://doi.org/10.4142/jvs.2017.18.4.515
Arthroscopic detection of medial meniscal injury with the use of a joint distractor in small-breed dogs
Joo-ho Kim1,†, Su-Young Heo1,†, Hae-Beom Lee2,*
1College of Veterinary Medicine, Chonbuk National University, Jeonju 54896, Korea
2College of Veterinary Medicine, Chungnam National University, Daejeon 34134, Korea
Correspondence to: Hae-Beom Lee
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: December 31, 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 created on the caudal horn of the medial meniscus of each stifle joint along with rupture of the cranial cruciate ligament. Each stifle joint then 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 effective diagnostic method for the assessment of medial meniscal pathologies in small-breed dogs, especially when performed with the aid of a joint distractor.
Keywords: arthroscopy, canine meniscus, joint distractor, small-breed dogs, stifle

© 2017 The Korean Society of Veterinary Science.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.