Correlation Between Knee Kinematics and Patellofemoral Contact Pressure in Total Knee Arthroplasty

被引：27

作者：

Konno, Takuya ^{[1
]}

Onodera, Tomohiro ^{[1
]}

Nishio, Yusuke ^{[1
]}

Kasahara, Yasuhiko ^{[1
]}

Iwasaki, Norimasa ^{[1
]}

Majima, Tokifumi ^{[2
]}

机构：

[1] Hokkaido Univ, Grad Sch Med, Dept Orthopaed Surg, Kita Ku, Sapporo, Hokkaido, Japan

[2] Int Univ Hlth & Welf Hosp, Dept Orthoped Surg, Nasushiobara City 3292763, Japan

来源：

JOURNAL OF ARTHROPLASTY | 2014年 / 29卷 / 12期

关键词：

total knee arthroplasty; medial pivot pattern; patello-femoral contact stress; kinematics pattern; Mobile bearing insert; FEMORAL COMPONENT; JOINT KINEMATICS; EPICONDYLAR AXIS; PATELLA; FLEXION; MODEL; COMPLICATIONS; BIOMECHANICS; REPLACEMENT; ALIGNMENT;

D O I：

10.1016/j.arth.2014.07.020

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：

The aim of this study is to evaluate the relationship between patellofemoral contact stress and intraoperative knee kinematic patterns after mobile bearing total knee arthroplasty (TKA). Medial osteoarthritic knees of forty-six posterior-stabilized total knee prostheses were evaluated using a computed tomography-guided navigation system. Subjects were divided into two groups based on intraoperative knee kinematic patterns: the medial pivot group (n = 19) and the non-medial pivot group (n = 27). Mean intraoperative patellofemoral contact stress was significantly lower in the medial pivot group than in the non-medial pivot group (1.7 MPa vs. 3.2 MPa, P < 0.05). An intraoperative medial pivot pattern results in reduced patello-femoral contact stress. (C) 2014 Elsevier Inc. All rights reserved.

引用

页码：2305 / 2308

页数：4

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