Recent Question

(OBQ07.28) Figure A displays the preoperative radiographs of a 67-year-old obese, diabetic woman undergoing total knee arthroplasty. Following the bone resections, a PCL-retaining trial implant is placed. At full extension, 30 degrees of flexion, and 90 degrees of flexion, the knee is found to be tight laterally and loose medially. The IT band, popliteus, and LCL are released, and a larger polyethylene trial is placed, but the knee continues to demonstrate medial laxity and lateral tightness. Which of the following should be done to achieve a successful outcome? Topic Review Topic
FIGURES: A          

1. Surgical release of the lateral retinaculum
2. Surgical release of the lateral retinaculum and reconstruction of the medial patellofemoral ligament
3. Imbrication of the MCL and augmentation with allograft
4. Convert to a constrained TKA design
5. Convert to a posterior stabilized TKA design

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topic TKA Templating on 05/29/16
topic TKA Templating on 05/29/16
topic TKA Templating on 05/29/16