Introduction incidence 0.17% to 2.5% causes intraoperative avulsion from tibial tubercle postoperative manipulation impingement trauma Presentation Symptoms knee pain and weakness Imaging Radiographs patella alta or baja Treatment Nonoperative knee immobilizer x6 weeks indications partial quadriceps tendon rupture Operative direct repair with suture indications patellar tendon avulsion < 30% complete quadriceps tendon rupture with adequate soft tissues primary repair and augmentation with graft indications complete laceration of patellar tendon with adequate patellar bone stock extensor mechanism reconstruction indications complete laceration of patellar tendon without adequate patellar bone stock and deficient soft tissues Chronic extensor mechanism (patella or quadricep tendon) disruption
Technique Guide Technique guide are not considered high yield topics for orthopaedic standardized exams including the ABOS, EBOT and RC. Revision TKR Orthobullets Team Recon - TKA Sagittal Plane Balancing Technique Guide Technique guide are not considered high yield topics for orthopaedic standardized exams including the ABOS, EBOT and RC. TKA - Parapatellar Approach Derek Bernstein Stephen Incavo Recon - TKA Extensor Mechanism Rupture Technique Guide Technique guide are not considered high yield topics for orthopaedic standardized exams including the ABOS, EBOT and RC. TKA - Varus Knee with Anterior Referencing and Gap Balancing Technique Derek Bernstein Stephen Incavo Recon - TKA Axial Alignment
QUESTIONS 1 of 4 1 2 3 4 Previous Next Sorry, this question is for PEAK Premium Subscribers only Upgrade to PEAK Sorry, this question is for PEAK Premium Subscribers only Upgrade to PEAK Sorry, this question is for PEAK Premium Subscribers only Upgrade to PEAK You have 100% on this question. Just skip this one for now. Take This Question Anyway (OBQ06.198) A 54-year-old woman is at physical therapy 3 months after a total knee arthroplasty when she feels a pop and develops increased pain in her knee. She continues therapy for another 3 months but reports weakness and frequent buckling. On exam, she has full passive extension but a 60 degree extensor lag. A lateral radiograph is shown in Figure A. What is the treatment of choice? Review Topic QID: 384 FIGURES: A Type & Select Correct Answer 1 Reconstruction with a bone-tendon allograft 69% (863/1245) 2 Repair augmented with hamstring autograft 27% (341/1245) 3 Continued therapy and strengthening 2% (19/1245) 4 Arthrodesis 1% (8/1245) 5 Treatment with orthotics for support 1% (9/1245) L 3 Select Answer to see Preferred Response SUBMIT RESPONSE 1