Changes to patellar blood flow after minimally invasive total knee arthroplasty

被引：12
作者：
Hasegawa, Masahiro [1 ]
Kawamura, Goshin [1 ]
Wakabayashi, Hiroki [1 ]
Sudo, Akihiro [1 ]
Uchida, Atsumasa [1 ]
机构：
[1] Mie Univ, Grad Sch Med, Dept Orthopaed Surg, Tsu, Mie 5148507, Japan
来源：
KNEE SURGERY SPORTS TRAUMATOLOGY ARTHROSCOPY | 2009年 / 17卷 / 10期
关键词：
Total knee arthroplasty; Patella; Blood flow; Minimally invasive surgery; Laser Doppler flowmetry; LASER-DOPPLER FLOWMETRY; MINI-MIDVASTUS; STANDARD APPROACH; REPLACEMENT; ARTHROTOMY; OSTEOARTHRITIS; COMPLICATIONS; ARTERY;
D O I：
10.1007/s00167-009-0834-9
中图分类号：
R826.8 [整形外科学]; R782.2 [口腔颌面部整形外科学]; R726.2 [小儿整形外科学]; R62 [整形外科学（修复外科学）];
学科分类号：
摘要：
Standard surgical exposure reduces blood flow to the patella during total knee arthroplasty (TKA). Reduction of patellar blood flow has resulted in patellofemoral complications including osteonecrosis and patellar fracture, necessitating revision surgery. 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 both extension and 90A degrees of flexion followed by lateral retraction and then eversion of the patella. 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 90A degrees. Eversion of the patella reduced patellar blood flow. MIS TKA without patellar eversion may be useful for preventing a reduction in patellar blood flow.
引用
收藏
页码：1195 / 1198
页数：4
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