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Long-term complications following tibial plateau levelling osteotomy in small dogs with tibial plateau angles >30°
  1. Rebekah Knight1,2 and
  2. Alan Danielski1
  1. 1Davies Veterinary Specialists, Hertfordshire, UK
  2. 2Queen Mother Hospital for Animals, Royal Veterinary College, Hertfordshire, UK
  1. E-mail for correspondence; alan.danielski{at}


Tibial plateau levelling osteotomy (TPLO) is commonly performed for surgical management of cranial cruciate ligament (CCL) disease. It has been suggested that small dogs may have steeper tibial plateau angles (TPAs) than large dogs, which has been associated with increased complication rates after TPLO. A retrospective study was performed to assess the rate and nature of long-term complications following TPLO in small dogs with TPAs>30°. Medical records were reviewed for dogs with TPAs>30° treated for CCL rupture by TPLO with a 2.0 mm plate over a five-year period. Radiographs were assessed to determine TPA, postoperative tibial tuberosity width and to identify any complication. Up-to-date medical records were obtained from the referring veterinary surgeon and any complications in the year after surgery were recorded. The effects of different variables on complication rate were assessed using logistic regression analysis. Minor complications were reported in 22.7 per cent of cases. This is similar to or lower than previously reported complication rates for osteotomy techniques in small dogs and dogs with steep TPAs. A smaller postoperative TPA was the only variable significantly associated with an increased complication rate. No major complications were identified.

  • canine
  • Tplo
  • complications
  • steep Tpa
  • small dogs

Statistics from


  • Abstract presented at the 2016 Congress of the British Small Animal Veterinary Association, Birmingham, UK, April 2016.

  • Funding This research received no specific grant from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; externally peer reviewed.

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