Zurich Cementless Total Hip Replacement.

Area of Science:

• Veterinary Orthopedics
• Surgical Innovation

Background:

• Total hip replacement (THR) is the primary surgical intervention for managing severe hip dysplasia and associated pain in dogs.
• Current THR techniques include cemented, cementless, and hybrid approaches, each with distinct advantages and challenges, such as aseptic loosening in cemented systems.

Purpose of the Study:

• To evaluate the efficacy and biomechanical advantages of the Zurich Cementless Total Hip Replacement (THR) system in canine patients.
• To assess the novel locking screw fixation for the femoral component and press-fit acetabular component in addressing challenges of traditional THR.

Main Methods:

• The Zurich Cementless THR system, featuring a press-fit acetabular component and a locking screw femoral component, was utilized.
• Surgical implantation focused on achieving immediate stability through the novel femoral fixation system.

Main Results:

• The Zurich Cementless THR system demonstrated effectiveness in treating orthopedic conditions of the coxofemoral joint.
• The combination of press-fit and locking screw fixation successfully mitigated the risk of aseptic loosening, a common complication in cemented THR.

Conclusions:

• The Zurich Cementless THR system offers a viable and effective alternative for treating hip dysplasia in medium to giant breed dogs.
• This innovative system provides immediate stability and addresses the critical issue of aseptic loosening, enhancing long-term outcomes.