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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Herrera, Antonio Rebollo, Sarai Ibarz, Elena Mateo, Jesús Gabarre, Sergio Gracia, Luis |
| Description | Country affiliation: Spain Author Affiliation: Herrera A ( Department of Orthopaedic and Trauma Surgery, Miguel Servet University Hospital, Medicine School, University of Zaragoza, Zaragoza, Spain) |
| Abstract | 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. |
| File Format | HTM / HTML |
| ISSN | 08835403 |
| Issue Number | 1 |
| Volume Number | 29 |
| e-ISSN | 15328406 |
| Journal | The Journal of Arthroplasty |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2014-01-01 |
| Publisher Place | United States |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Orthopedics Absorptiometry, Photon Arthroplasty, Replacement, Hip Bone Remodeling Physiology Finite Element Analysis Hip Prosthesis Osteoarthritis, Hip Surgery Aged Biomechanical Phenomena Bone Density Cementation Computer Simulation Female Femur Physiopathology Follow-up Studies Humans Male Models, Biological Prospective Studies Comparative Study Journal Article Randomized Controlled Trial |
| Content Type | Text |
| Resource Type | Article |
| Subject | Orthopedics and Sports Medicine |
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