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Polyethylene terephthalate tape augmentation as a solution in recurrent quadriceps tendon ruptures.

Quadriceps tendon rupture is a severe and demanding problem in knee surgery, especially when it is recurrent and when elderly patients are involved. It can have a devastating impact when it is a complication following knee arthroplasty. There are many procedures for dealing with this problem, but none of them offer reliable results. The most popular methods of treatment are traditional transosseous sutures and suture anchors, often in combination with semitendinosus augmentation. In cases of osteoporotic bone or hamstring insufficiency, these solutions are not appropriate. One way to manage quadriceps tendon rupture is to use polyethylene terephthalate tape (poly tape) as scaffolding for tissue ingrowth. Because of its structure, poly tape provides adequate strength and allows early mobilization. Besides being durable, multifilament high tenacity polyethylene terephthalate is flexible. Poly tape augmentation is particularly recommended in the following cases: recurrent rupture of the quadriceps tendon; extensor apparatus damage following total knee arthroplasty (TKA); delayed diagnosis of quadriceps tendon rupture; and in elderly patients (with weak bones and poor ligament quality). The surgical technique is simple and the procedure has a low complication rate. There have been many studies confirming the security of polyethylene terephthalate use in the human body. There is also a great deal of evidence concerning tissue ingrowth in the mesh structure of poly tape. Allergic reactions and inflammatory responses are rare.