Mid-Term Study of Bone Remodeling After Femoral Cemented Stem Implantation: Comparison Between DXA and Finite Element Simulation

被引：17

作者：

Herrera, Antonio ^{[1
,2
]}

Rebollo, Sarai ^{[1
]}

Ibarz, Elena ^{[3
]}

Mateo, Jesus ^{[1
,2
]}

Gabarre, Sergio ^{[3
]}

Gracia, Luis ^{[3
]}

机构：

[1] Univ Zaragoza, Sch Med, Miguel Servet Univ Hosp, Dept Orthopaed & Trauma Surg, Zaragoza, Spain

[2] Miguel Servet Univ Hosp, Zaragoza 50009, Spain

[3] Univ Zaragoza, Dept Mech Engn, Zaragoza, Spain

来源：

JOURNAL OF ARTHROPLASTY | 2014年 / 29卷 / 01期

关键词：

hip prostheses; cemented prostheses; DXA; finite elements; bone remodeling; TOTAL HIP-ARTHROPLASTY; MINERAL DENSITY; PROXIMAL FEMUR; LONG-TERM; FOLLOW-UP; DESIGN; ABSORPTIOMETRY; DEXA; REPLACEMENT; PRECISION;

D O I：

10.1016/j.arth.2013.03.028

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：

This five-year prospective study was designed to investigate periprosthetic bone remodeling associated with two cemented stem models, ABG-II (Stryker) and VerSys (Zimmer), randomly implanted in patients older than 75 years. The sample consisted of 64 cases (32, ABG-II; 32, VerSys). Inclusion criterion was diagnosis of osteoarthritis recommended for cemented total hip arthroplasty. Besides clinical study, Finite Element (FE) simulation was used to analyze biomechanical changes caused by hip arthroplasty. Bone Mineral Density (BMD) measurements showed a progressive increase in bone mass throughout the entire follow-up period for both stems, well correlated with FE results except in Gruen zones 4, 5, 6 for ABG-II and in zones 4, 5 for VerSys, denoting that remodeling in those zones does not depend on mechanical factors but rather on biological or physiological ones. (C) 2014 Elsevier Inc. All rights reserved.

引用

页码：90 / 100

页数：11

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