Total knee arthroplasty using hinge joints | 合法醫療器材資訊網

Possible indications for a rotating hinge or pure hinge implant in primary total knee arthroplasty (TKA) include collateral ligament insufficiency, severe varus or valgus deformity (> 20°) with relevant soft-tissue release, relevant bone loss, including insertions of collateral ligaments, gross flexion-extension gap imbalance, ankylosis and hyperlaxity.

The use of hinged implants in primary TKA should be limited to the aforementioned selected indications, especially for elderly patients.

Potential indications for a rotating hinge or pure hinge implant in revision TKA include infection, aseptic loosening, instability and bone loss.

Rotating hinge knee implants have a 10-year survivorship in the range of 51% to 92.5%.

Complication rates of rotating hinge knee implants are in the range of 9.2% to 63%, with infection and aseptic loosening as the most common complications.

Although the results reported in the literature are inconsistent, clinical ...