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KMID : 1094020180350030071
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Journal of Veterinary Clinics
2018 Volume.35 No. 3 p.71 ~ p.76
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Surgical Correction of Medial Patellar Luxation including Release of Vastus Medialis without Trochleoplasty in Small Breed Dogs: A Retrospective Review of 22 Cases
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Choi Hee-Bok
Kim Sang-Yeoun
Han Chang-Hoon
Jang A-Ram
Jung Hye-Jin
Hwang Tae-Sung
Lee Hee-Chun
Hwang Yong-Hyun
Lee Won-Jae
Lee Sung-Lim
Lee Jae-Hoon
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Abstract
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In 22 dogs with medial patellar luxation (MPL) of grade 3 or lower, resection of the vastus medialis obliquemuscle, patellar anti-rotational suture, fascia lata overlap, and tibial tuberosity transposition (TTT) were undertakento stabilize the patella without trochleoplasty. Data including signalment, clinical symptoms, details of the affectedhindlimb, preoperative and postoperative patellar luxation grades, postoperative recovery time, and postoperativecomplications were obtained from medical records. The grade of lameness was evaluated preoperatively andpostoperatively. Mean (± SEM) grade of medial patellar luxation was 2.64 ± 0.11 preoperatively and 0.2 ± 0.27postoperatively. Mean (± SEM) grade of lameness was 1.73 ± 0.27 preoperatively and 0.18 ± 0.15 postoperatively. Patellar reluxation occurred in 1 of 22 (4.5%) cases requiring additional surgery. At final follow-up, 2 of the 22 (9.0%)dogs, including one with reluxation, had occasional lameness. Client-based questionnaire results demonstrated significantimprovements in all parameters. Surgical treatment of MPL that included resection of the vastus medialis oblique withoutfemoral trochlear groove deepening improved surgical outcomes in dogs with up to grade 3 MPL.
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KEYWORD
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patella, luxation, vastus medialis, complications, dogs
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