title: Tibial plateau leveling and medial opening crescentic osteotomy for treatment of cranial cruciate ligament rupture in dogs with tibia vara.
abstract: OBJECTIVE
  To report clinical application of a tibial plateau leveling and medial opening crescentic osteotomy (TPLMOCO) by a single blade cut to ameliorate lameness in dogs with cranial cruciate ligament (CCL) rupture (CCLR) and concurrent tibia vara.
  
  
  METHODS
  Case series.
  
  
  METHODS
  Bullmastiff-type dogs (n=4; 5 stifles).
  
  
  METHODS
  Dogs were evaluated clinically and radiographically and records retrospectively reviewed. Pins were driven through both cortices of the proximal and distal tibia and a multidirectional jig attached medially. Tibial plateau leveling osteotomy was performed with torsional realignment of the calcaneo-patellar axis. A rigid connecting bar applied to the pins laterally before distraction of the medial jig allowed medial opening of the osteotomy while maintaining contact on the lateral aspect of the osteotomy. A 3.5 mm plate was applied.
  
  
  RESULTS
  Meniscal and articular cartilage pathology was identified in the medial joint compartment in 4 stifles, and in both medial and lateral compartments in 1 stifle. Postoperatively, subjectively assessed lameness resolved in 4/5 limbs and improved in 1 limb. All osteotomies healed uneventfully, with superficial wound infection being the only complication in 1 dog.
  
  
  CONCLUSIONS
  TPLMOCO is a potential treatment methodology for dogs with CCLR and tibia vara with or without tibial torsion. Clinical lameness was successfully ameliorated. Intraoperative assessment and correction of sagittal and rotational malalignment was sufficient to achieve satisfactory clinical outcome in these 4 dogs.
  
  
  CONCLUSIONS
  TPLMOCO offers a potential treatment option and warrants further investigation for use in selected cases.
authors.affiliation: Fitzpatrick Referrals, Eashing, UK. noel@fitzpatrickreferrals.co.uk
authors.forename: Noel
authors.initials: N
authors.lastname: Fitzpatrick
authors.forename: Jacqueline
authors.initials: J
authors.lastname: Johnson
authors.forename: Kei
authors.initials: K
authors.lastname: Hayashi
authors.forename: Sarah
authors.initials: S
authors.lastname: Girling
authors.forename: Russell
authors.initials: R
authors.lastname: Yeadon
mesh_terms: D000818:Animals; D016118:Anterior Cruciate Ligament / Q000000981:diagnostic imaging / Q000601:surgery*; D000070598:Anterior Cruciate Ligament Injuries; D001696:Biomechanical Phenomena; D004283:Dog Diseases / Q000000981:diagnostic imaging / Q000601:surgery*; D004285:Dogs; D005260:Female; D007794:Lameness, Animal / Q000209:etiology / Q000601:surgery; D008297:Male; D010027:Osteotomy / Q000379:methods / Q000662:veterinary*; D011859:Radiography; D012189:Retrospective Studies; D012421:Rupture / Q000601:surgery / Q000662:veterinary; D013264:Stifle / Q000601:surgery; D013977:Tibia / Q000000981:diagnostic imaging / Q000601:surgery*; D016896:Treatment Outcome