title: Hybrid cemented/cementless total hip replacement in dogs: seventy-eight consecutive joint replacements.
abstract: OBJECTIVE
  To evaluate the use of hybrid total hip replacement (THR), using a cementless acetabular component and a cemented femoral component.
  
  
  METHODS
  Prospective case series.
  
  
  METHODS
  Client-owned dogs (n = 71).
  
  
  METHODS
  Consecutive clinical cases that had hybrid THR were studied. Radiographic features, pain scores, and lameness scores were recorded pre- and postoperatively. Longer term outcome was assessed by owner questionnaire.
  
  
  RESULTS
  Hybrid THRs (n = 78) were performed in 71 dogs. Four cases (5%) had major postoperative complications; 3 were resolved after revision surgery, and 1 owner requested an explantation. No other major complications were identified on follow-up radiographs (67 THR) at 12 weeks. On clinical follow up (77 THR) at 4 weeks, lameness had improved in 68, was unchanged in 8, and was worse in 1. Pain had decreased in 72, was unchanged in 4, and was worse in 1. At 12 weeks (69 THR) compared with preoperative status, lameness had improved in 67 and was unchanged in 2. Pain had improved in 68 and was unchanged in 1. Longer term follow-up (mean, 16 months) was available for all hips. No further complications were reported. Owner satisfaction was good for 76 THRs and reasonable for 2.
  
  
  CONCLUSIONS
  Hybrid THR can be performed successfully with a low complication rate and represents an alternative to either entirely cemented or cementless implantation.
authors.affiliation: Willows Referral Service, Solihull, UK. toby.gemmill@btinternet.com
authors.forename: Toby J
authors.initials: TJ
authors.lastname: Gemmill
authors.forename: Jonathan
authors.initials: J
authors.lastname: Pink
authors.forename: Alasdair
authors.initials: A
authors.lastname: Renwick
authors.forename: Bill
authors.initials: B
authors.lastname: Oxley
authors.forename: Ciara
authors.initials: C
authors.lastname: Downes
authors.forename: Simon
authors.initials: S
authors.lastname: Roch
authors.forename: W Malcolm
authors.initials: WM
authors.lastname: McKee
mesh_terms: D000818:Animals; D019644:Arthroplasty, Replacement, Hip / Q000295:instrumentation / Q000379:methods / Q000662:veterinary*; D001843:Bone Cements; D004283:Dog Diseases / Q000601:surgery*; D004285:Dogs; D005260:Female; D005265:Femoral Neck Fractures / Q000601:surgery / Q000662:veterinary*; D006619:Hip Dysplasia, Canine / Q000601:surgery*; D006622:Hip Prosthesis / Q000662:veterinary*; D008297:Male; D015207:Osteoarthritis, Hip / Q000601:surgery / Q000662:veterinary*; D011183:Postoperative Complications / Q000453:epidemiology / Q000662:veterinary; D011446:Prospective Studies; D016896:Treatment Outcome
chemical_list: D001843:Bone Cements