Archive (2005–2015)

Incidence of complications associated with tibial tuberosity advancement in Boxer dogs

Journal: Veterinary and Comparative Orthopaedics and Traumatology (VCOT)
ISSN: 0932-0814
Issue: 2016: Issue 1 2016
Pages: 39-45
Ahead of Print: 2015-10-29

Incidence of complications associated with tibial tuberosity advancement in Boxer dogs

B. de Lima Dantas (1, 2), R. Sul (1, 3), T. Parkin (1), I. Calvo (1, 4)

(1) Glasgow University Veterinary School, Division of Small Animal Sciences, Glasgow, Scotland, UK; (2) Current: Pride Veterinary Centre, Small Animal Surgery Referrals, Derby, UK; (3) Current: North Downs Specialist Referrals, The Friesian Buildings 3 & 4, The Brewerstreet Dairy Business Park, Brewer Street, Bletchingley, Surrey, UK; (4) Current: Royal Veterinary College, Queen Mother Hospital for Animals, Hatfield, North Mymms, UK


complications, tibial tuberosity advancement, TTA, Cranial cruciate ligament disease, Boxer dogs


Objective: To retrospectively review and describe the incidence of complications associated with tibial tuberosity advancement (TTA) surgical procedures in a group of Boxer dogs (n = 36 stifles) and compare the data with a non-Boxer control population (n = 271 stifles). Methods: Retrospective analysis of medical records to identify all dogs that underwent TTA surgery due to cranial cruciate ligament disease. These records were categorized into two groups: Boxer dogs and non-Boxer dogs (controls – all other breeds). Results: Of the 307 stifles included, 69 complications were reported in 58 joints. The complication rate differed significantly for Boxer dogs (16/36 stifles) and non-Boxer dogs (42/271 stifles), corresponding to an odds ratio of 5.8 (confidence interval: 1.96–17.02; p-value <0.001). Boxer dogs were more likely to undergo revision surgery and to develop multiple complications. The incidence of tibial tuberosity fractures requiring surgical repair (2/36 versus 1/271) and incisional infections requiring antibiotic treatment (three in each group) was significantly higher in the Boxer group. Clinical significance: Boxer dogs had more major and multiple complications after TTA surgery than the control non-Boxer group; these complications included higher rates of revision surgery, tibial tuberosity fractures requiring stabilization, and infection related complications. The pertinence and value of breed-specific recommendations for cranial cruciate ligament disease appears to be a subject worthy of further investigation.

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