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Improved acetabular pressurization gives better cement penetration: In vivo measurements during total hip arthroplasty
Department of Orthopaedics, Lund University Hospital, Lund, Sweden, Department of Orthopedics, University Hospital, S-221 85 Lund, Sweden.
Department of Orthopaedics, Ystad County Hospital, Ystad, Sweden.
Department of Radiology, Lund University Hospital, Lund, Sweden.
Linköping University, Faculty of Health Sciences. Linköping University, Department of Clinical and Experimental Medicine, Orthopaedics and Sports Medicine .
2004 (English)In: The Journal of Arthroplasty, ISSN 0883-5403, Vol. 19, no 7, 911-918 p.Article in journal (Refereed) Published
Abstract [en]

During total hip arthroplasty, the intraoperative cementation pressure was measured inside one of the acetabular anchorage holes. Patients were randomized to pressurization of cement with either a conventional pressurizer or a sequential method including individual pressurization of each anchorage hole. The pressure was correlated to the cement penetration measured on digital radiographs. The early peak pressures were higher for the sequential method, resulting in a significantly better penetration of 2.8 mm compared with 0.7 mm with the conventional pressurizer. We found a strong correlation between early peak cementation pressures and cement penetration into the cancellous bone of the anchoring holes, indicating a cause-effect relationship at this early stage. The highest peak pressures were achieved during the later cup insertion, but these pressures did not correlate with the cement penetration. We conclude that conventional methods for cement pressurization in the acetabulum may not be optimal. © 2004 Elsevier Inc. All rights reserved.

Place, publisher, year, edition, pages
2004. Vol. 19, no 7, 911-918 p.
Keyword [en]
acetabulum, cement penetration, cement pressurization, total hip arthroplasty
National Category
Medical and Health Sciences
URN: urn:nbn:se:liu:diva-45618DOI: 10.1016/j.arth.2004.06.027OAI: diva2:266514
Available from: 2009-10-11 Created: 2009-10-11 Last updated: 2011-01-12

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Ryd, Leif
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