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Published on: April 19, 2024
Hybrid cemented/cementless total hip replacement in dogs: seventy-eight consecutive joint replacements
Toby J Gemmill1, Jonathan Pink, Alasdair Renwick
1Willows Referral Service, Solihull, UK. toby.gemmill@btinternet.com
Objective:
To evaluate the use of hybrid total hip replacement (THR), using a cementless acetabular component and a cemented femoral component.
Study Design:
Prospective case series.
Sample Population:
Client-owned dogs (n = 71).
Materials And 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.
