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In TKA, avoiding patellar eversion is one type of minimally invasive surgery (MIS) technique. This study is the first to measure patellar blood flow during MIS TKA with the knee in <jats:italic>both extension and 90\u00b0 of flexion followed by lateral retraction and then eversion of the patella.<\/jats:italic> Patellar blood flow was measured using laser Doppler flowmetry in 40 patients during MIS TKA. A significant reduction in flow was noted when the leg was flexed from full extension to 90\u00b0. Eversion of the patella reduced patellar blood flow. MIS TKA without patellar eversion may be useful for preventing a reduction in patellar blood flow.<\/jats:p>","DOI":"10.1007\/s00167-009-0834-9","type":"journal-article","created":{"date-parts":[[2009,6,17]],"date-time":"2009-06-17T10:42:24Z","timestamp":1245235344000},"page":"1195-1198","source":"Crossref","is-referenced-by-count":7,"title":["Changes to patellar blood flow after minimally invasive total knee arthroplasty"],"prefix":"10.1002","volume":"17","author":[{"given":"Masahiro","family":"Hasegawa","sequence":"first","affiliation":[{"name":"Department of Orthopaedic Surgery Mie University Graduate School of Medicine 2\u2010174 Edobashi 514\u20108507 Tsu, Mie Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Goshin","family":"Kawamura","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery Mie University Graduate School of Medicine 2\u2010174 Edobashi 514\u20108507 Tsu, Mie 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