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Accepted (AM)Open Access (License Unspecified), Open
Journal article
Bone Ingrowth in Well-Fixed Retrieved Porous Tantalum Implants
The Journal of arthroplasty, v 28(6), pp 922-927
Jun 2013
PMID: 23518432
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
While first generation porous coatings have had clinical success, aseptic loosening remains a leading cause of revision. The purpose of this study was to investigate the reasons for revision and to assess the amount of bone ingrowth in retrieved porous tantalum components. In a prospective multicenter retrieval program, 76 porous tantalum acetabular shells, 5 femoral stems, 7 patellas and 36 tibial trays were collected from revision surgeries. A subset of the implants was analyzed for bone ingrowth. The main reason for revision was infection for acetabular shells (1.4years implantation time) and instability for tibial trays (1.8years implantation time). Two of the thirty primary surgery acetabular shells and one of the thirty-six primary surgery tibial trays were revised for implant loosening. We observed full depth penetration of bone into the porous tantalum layer for the acetabular shells and femoral stems.
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Details
- Title
- Bone Ingrowth in Well-Fixed Retrieved Porous Tantalum Implants
- Creators
- Josa A. Hanzlik - Drexel UniversityJudd S. Day - ExponentAcknowledged Contributors: Ingrowth Retrieval Study GroupSteven M Kurtz - School of Biomedical Engineering, Science, and Health Systems (1997-)
- Publication Details
- The Journal of arthroplasty, v 28(6), pp 922-927
- Publisher
- Elsevier
- Grant note
- Stelkast, Inc. Stryker Orthopaedics, Inc. R01 AR47904 / National Institutes of Health (NIAMS) Zimmer, Inc. Wilbert J. Austin Professor of Engineering Chair (CMR)
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- College of Medicine; School of Biomedical Engineering, Science, and Health Systems
- Web of Science ID
- WOS:000319846400010
- Scopus ID
- 2-s2.0-84878212668
- Other Identifier
- 991019176797304721
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- Collaboration types
- Industry collaboration
- Domestic collaboration
- Web of Science research areas
- Orthopedics