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KMID : 1094020180350050200
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Journal of Veterinary Clinics
2018 Volume.35 No. 5 p.200 ~ p.205
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Comparison of Tibial Tuberosity Transposition and Anti-rotation Suture for Medial Patellar Luxation in 133 Small-breed Dogs
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Son Chan-Soo
Cheong Jong-Tae
Lee Joo-Myoung
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Abstract
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This retrospective study is designed to compare the clinical results of tibial tuberosity transposition (TTT)and anti-rotation suture (ARS) treatments for medial patellar luxation (MPL). Medical records of 133 dogs werereviewed that had undergone surgical correction of MPL between January 2013 and May 2017. MPL correction wasperformed on 182 stifles, with TTT and ARS being performed on 101 stifles and 81 stifles. The common dog breedsreceiving surgical treatment for MPL were Maltese, Pomeranian, Chihuahua and Poodle. Mean age of dogs with MPLwas 32.6 months, and their mean body weight was 4.26 kg. Seventy dogs (52.6%) were male and 63 (47.4%) werefemale. Of the 182 stifles with MPL, grade II, III and IV were 18.7%, 72.0% and 9.3%. Total complications afterTTT and ARS were recorded in 16.8% and 29.6%. Major complications after TTT and ARS were recorded in 5.9%and 12.3%, minor complications after TTT and ARS were recorded in 10.9% and 17.3%. The risk of complicationand reluxation rate after TTT were significantly lower than that for ARS (p < 0.05). However, the rate of reluxationamong dogs treated by ARS (1.2%) for grade II MPL was significantly lower than that for dogs treated by ARS(8.6%) for grade III MPL (p < 0.05). The TTT group had a shorter recovery period after surgical intervention thanthat in the ARS group (p < 0.001). In conclusion, TTT had a significantly lower incidence of complication and ashorter recovery period than ARS. However, ARS for grade II MPL appears to be a good surgical option for reducingthe rate of reluxation after surgery. These results of this study could be used to provide therapeutic guidelines forsurgical MPL correction in small-breed dogs.
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KEYWORD
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patellar luxation, anti-rotation suture, tibial tuberosity transposition, dog
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