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http://dx.doi.org/10.17555/ksvc.2015.02.32.1.22

Degenerative Joint Disease After Medial Patellar Luxation Repair in Dogs with or Without Trochleoplasty  

Yoon, Dae-Young (Department of Veterinary Surgery, BK21 PLUS Program for Creative Veterinary Science Research, Research Institute for Veterinary Science and College of Veterinary Medicine, Seoul National University)
Kang, Byung-Jae (Department of Veterinary Surgery, BK21 PLUS Program for Creative Veterinary Science Research, Research Institute for Veterinary Science and College of Veterinary Medicine, Seoul National University)
Kim, Yongsun (Department of Veterinary Surgery, BK21 PLUS Program for Creative Veterinary Science Research, Research Institute for Veterinary Science and College of Veterinary Medicine, Seoul National University)
Lee, Seung Hoon (Department of Veterinary Surgery, BK21 PLUS Program for Creative Veterinary Science Research, Research Institute for Veterinary Science and College of Veterinary Medicine, Seoul National University)
Rhew, Daeun (Department of Veterinary Surgery, BK21 PLUS Program for Creative Veterinary Science Research, Research Institute for Veterinary Science and College of Veterinary Medicine, Seoul National University)
Kim, Wan Hee (Department of Veterinary Surgery, BK21 PLUS Program for Creative Veterinary Science Research, Research Institute for Veterinary Science and College of Veterinary Medicine, Seoul National University)
Kweon, Oh-Kyeong (Department of Veterinary Surgery, BK21 PLUS Program for Creative Veterinary Science Research, Research Institute for Veterinary Science and College of Veterinary Medicine, Seoul National University)
Publication Information
Journal of Veterinary Clinics / v.32, no.1, 2015 , pp. 22-27 More about this Journal
Abstract
We evaluated outcomes of dogs surgically treated for grade 2 or 3 medial patellar luxation (MPL) with and without trochleoplasty. A retrospective study of 63 dogs with grade 2 or 3 MPL surgically treated with or without trochleoplasty was performed. Results of radiographic evaluation were expressed numerically as degenerative joint disease score and were compared between the groups with and without trochleoplasty. The study included 7 (7/68, 10.3%) cases of reluxation and 1 case of tibial tuberosity transposition implant failure. Reluxation and complications requiring additional surgery were confirmed in 3 cases (3/47, 6.4%) in trochleoplasty group and in 1 case (1/21, 4.8%) in nontrochleoplasty group. The nontrochleoplasty group showed a shorter recovery time than the trochleoplasty group (P < 0.05). There was a significant difference in degenerative joint disease scores over time between the groups, with nontrochleoplasty group having lower scores (P < 0.05). This study suggests that surgical treatment without trochleoplasty results in favorable outcomes compared to treatment with trochleoplasty. It is not mandatory to exclude trochleoplasty when performing surgery for grade 2 or 3 MPL, but we propose that surgical treatment without trochleoplasty is one option when choosing a combination of surgical techniques.
Keywords
Canine; degenerative joint disease; medial patellar luxation; and trochleoplasty;
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