CONCLUSIONS Although acute quadriceps tendon rupture is commonly treated with transosseous suture repair and suture anchor repair, this report demonstrates that cortical button fixation was a successful procedure with strong biomechanical properties, resulting in the early return of function and range of motion. The cortical button was passed and appropriately tensioned. Two bone tunnels were drilled from the superior to the inferior poles of the patella, bicortically. Two Krackow-type stitches were placed with #2 Fibertape and passed through 2 cortical buttons. Technique: After soft tissue debridement, the quadriceps tendon was debrided from the frayed and edematous edges. Radiographs demonstrated patella baja with an acute superior pole avulsion fracture of the patella, consistent with rupture of the quadriceps tendon. He had immediate left knee pain and inability to bear weight. CASE REPORT A 69-year-old man sustained an injury after slipping while golfing. This report is of a 69-year-old man who experienced a quadriceps tendon rupture while golfing and underwent a successful surgical repair using cortical button fixation. Cortical button fixation, or the use of an adjustable cortical fixation device, is a local and biomechanically strong internal brace technique used to treat ligament and tendon injuries. Several techniques for quadriceps tendon repair have been reported, including suture anchors and bone tunnels. KeywordsQuadriceps tendon rupture–Spontaneous–BilateralīACKGROUND Timely diagnosis and surgical treatment are often needed to restore function of the extensor mechanism after rupture of the quadriceps tendon. Such as rheumatoid arthritis and glucocorticoid-induced osteoporosis. May have low morbidity with multi-holes method for the risk of patellar fractures that occurs due to additional medical conditions We performed only one tunnel to the patella by using 2.5-mm drill bit, and we used Endobutton® fixation device (Smith & Nephew, USA) for postfixation on the distal pole of the patella. We report a modified techniqueįor the surgical treatment of the spontaneous bilateral quadriceps tendon rupture in a patient with rheumatoid arthritis andĬhronic steroid usage. Fibrous degeneration, muscleĬontraction, and poor bone quality of the patient moved us to find new method for restoration. Within this group, delayed treatment is an infrequent but difficult clinical situation. To elderly patients who have additional medical conditions such as rheumatoid arthritis, chronic steroid usage, and diabetes Bilateral spontaneous rupture of the quadriceps tendon is an uncommon and serious injury that usually occurs in middle aged
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