Aug 30, 2022 · Reasons to Replace The Patella After TKR. In a small percentage of TKR cases, usually those of older or frail boned individuals, the original patella can be too worn down to continue using. In these cases, the surgeon will remove the original patella and insert a new prosthetic kneecap in place.

Feb 1, 2019 · Our objectives were to identify risk factors for post-TKA patellar complications and to define the optimal management of patellar fracture, patellar instability, patellar clunk, anterior knee pain apparently stemming from the patella, and patellar defects.

Dec 20, 2017 · Read on to find out what will happen to you after you enter the operating room for a TKR. The surgeon makes an incision across the front of your knee to gain access to the patella, more commonly...

Three main types of surgical procedures and other minor techniques have been identified to manage patella maltracking after TKA. The choice of the proper technique to use in the specific case depends on several factors, first of all the malpositioning of the prosthetic components.

Jul 24, 2021 · Management of patellar problems during revision TKR remains complex, requiring an accurate pre-operative planning and intra-operative evaluation even for a well experienced knee surgeon. The options described in this overview may help the surgeon in the decision making process.

Anterior knee pain is one of the most common causes of persistent problems after implantation of a total knee replacement. It can occur in patients with or without patellar resurfacing. As a result of the surgical procedure itself many changes can ...

Some patients may experience a painful clunking of the knee on straightening the knee after a knee replacement. The symptom may be a sign of patellar clunk syndrome. Patellar clunk syndrome occurs as a result of the formation of a fibrous nodule on the undersurface of the lower end of thigh muscles.

Historically, the patella accounted for up to 50 % of total knee arthroplasty (TKA) failures in the 1980s and early 1990s when dissociation or failure of a cementless metal-backed patellar component was the most common device-related complication of TKA [1 – 4].

Patellar resurfacing can cause fracture or dislocation of the kneecap. The muscle that attaches to the patella (called the quadriceps muscle) can also get injured. Right now, doctors have three choices: resurface every patella, never resurface, or only resurface when it’s truly needed.

Aug 26, 2016 · For a long time, the patella was wrongfully marginalized and merely considered as an afterthought during total knee arthroplasty (TKA). Even today, patella resurfacing is often thrown in for good measure without proper understanding of the functional interplay among arthroplasty components.