stress fracture of the lateral femoral condyle aftertotal knee arthroplasty

نویسندگان

mohammad m. sarzaeem department of orthopedic surgery, imam hossein hospital, shahid beheshti university of medical sciences (sbums), tehran, iran

mahmood jabalameli department of orthopedic surgery, shafa orthopedic hospital, iran university of medical sciences (iums), tehran, iran

چکیده

background: this is to assess one of the rare complications after total knee replacement and to assess risk factors of failure.methods: 11 patients with varus knee and an average age of 67 years underwent tka between 2005 and 2013. all patients returned with a sudden sharp knee pain, disability to walk and significant decrease in rom about 4 to 8 weeks after surgery. radiographic examination revealed a lateral femoral condylar stress fracture.results: after analyzing the images, we found common characteristics among all patients, which might be attributable to the later fracture including varus deformity>25, femoral component lateralization, and valgus correction.conclusion: surgeons should be aware of the risk factors to consider before, during, and after surgery.

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Stress Fracture of the Lateral Femoral Condyle afterTotal Knee Arthroplasty

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