کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
4060622 | 1604009 | 2013 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Factors in High-Flex Posterior Stabilized Fixed-Bearing Total Knee Arthroplasty Affecting In Vivo Kinematics and Anterior Tibial Post Impingement During Gait
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کلمات کلیدی
موضوعات مرتبط
علوم پزشکی و سلامت
پزشکی و دندانپزشکی
ارتوپدی، پزشکی ورزشی و توانبخشی
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چکیده انگلیسی
One of the most important issues in high-flex posterior stabilized total knee arthroplasty (TKA) is anterior tibial post impingement. We examined 20 knees and 2 TKA designs to evaluate the in vivo kinematics during gait using fluoroscopic image analysis. The AP positions in both stance and swing phases were significantly larger and more anterior in J-curved design TKA compared with Single radius design TKA. Anterior tibial post impingement was observed in five knees implanted with Legacy-flex, and in four of the five knees they were not hyperextended. No impingement was observed with NRG. Less constraint and tibial posterior slope might lead to large AP translations and anterior tibial post impingement. Implant design and operative procedures for high-flexion TKAs affect the in vivo kinematics and the occurrence of anterior tibial post impingement.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: The Journal of Arthroplasty - Volume 28, Issue 10, December 2013, Pages 1722-1727
Journal: The Journal of Arthroplasty - Volume 28, Issue 10, December 2013, Pages 1722-1727
نویسندگان
Masashi MD, PhD, Tetsuya MD, PhD, Takaharu PhD, Hideki MD, PhD, Kazuomi MD, PhD,