Document Detail

Improved acetabular pressurization gives better cement penetration: in vivo measurements during total hip arthroplasty.
MedLine Citation:
PMID:  15483809     Owner:  NLM     Status:  MEDLINE    
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.
Gunnar Flivik; Krister Wulff; Jan Sanfridsson; Leif Ryd
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Publication Detail:
Type:  Clinical Trial; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  The Journal of arthroplasty     Volume:  19     ISSN:  0883-5403     ISO Abbreviation:  J Arthroplasty     Publication Date:  2004 Oct 
Date Detail:
Created Date:  2004-10-14     Completed Date:  2005-02-10     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  8703515     Medline TA:  J Arthroplasty     Country:  United States    
Other Details:
Languages:  eng     Pagination:  911-8     Citation Subset:  IM    
Department of Orthopaedics, Lund University Hospital, Sweden.
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MeSH Terms
Aged, 80 and over
Arthroplasty, Replacement, Hip / instrumentation*
Middle Aged
Regression Analysis
Treatment Outcome

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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