Functional and radiological outcome after total knee replacement performed with mini-midvastus or conventional arthrotomy: controlled randomised trial |
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Authors: | Robertinas Juosponis Sarunas Tarasevicius Alfredas Smailys Romas Jonas Kalesinskas |
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Institution: | (1) Department of Orthopaedics, Orthopaedic and Trauma Clinic, Kaunas Medical University, Eiveniu 2, 50009 Kaunas, Lithuania |
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Abstract: | The results of minimally invasive techniques used for total knee replacement are controversial. Despite reported advantages
such as faster recovery, there are some concerns regarding component positioning. We compared mini-midvastus versus medial
parapatellar arthrotomy with respect to component position and functional results. We included 70 osteoarthritis total knee
replacement patients in our study. Patients were randomised for the approach. We recorded Knee Society scores before and after
the surgery and radiological component position. Patients were followed up to 12 weeks after the surgery. We found that the
mini-midvastus approach was associated with better Knee Society scores six weeks after surgery; after 12 weeks the difference
was not statistically significant. We found no difference related to the approach in radiological component position. The
mini-midvastus approach is associated with faster recovery and reproduces the same accuracy in component positioning as the
medial parapatellar approach. |
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