Indicated in isolated medial/lateral compartment OA with intact ligaments. Advantages: smaller incision, bone preservation, faster rehab, more natural kinematics. Contraindications: inflammatory arthritis, tricompartmental OA, fixed deformity >10° varus/valgus, flexion contracture >15°, ligament deficiency. Survivorship improving with better implants and patient selection. Revision to TKA possible if progression occurs.
Which of the following statements about unicompartmental knee arthroplasty is true?
Which of the following is a relative contraindication for unicompartmental knee arthroplasty?
What is a key factor that influences the revision rate of unicompartmental knee arthroplasty?
What is the main purpose of the Oxford criteria in relation to unicompartmental knee arthroplasty?
What is a significant advantage of unicompartmental knee arthroplasty compared to total knee arthroplasty?
Which of the following is a contraindication for unicompartmental knee arthroplasty?
What is the most common type of unicompartmental knee arthroplasty performed?
What is the primary reason for the higher revision rates associated with unicompartmental knee arthroplasty compared to total knee arthroplasty?
In the Oxford criteria for patient selection for medial unicompartmental knee arthroplasty, which of the following is required?
Which of the following is a primary indication for unicompartmental knee arthroplasty (UKA)?