Document Detail

Clinical and roentgenographic evaluation of bipolar prostheses with noncemented anatomic medullary locking femoral stems.
MedLine Citation:
PMID:  2323129     Owner:  NLM     Status:  MEDLINE    
Fifty-six DePuy anatomic medullary locking femoral bipolar prostheses were reviewed clinically and roentgenographically in 50 patients at an average follow-up period of 30 months (range, 24-71 months). Forty-four of the implantations were in 40 male and 12 were in ten female patients. Forty-five devices were placed in primary operations, while 11 were used in revisions. The overall average age was 53.5 years. The average Harris hip scores for the primary bipolars were 29.8 preoperative and 77.3 postoperative, while the revision bipolars had Harris hip scores of 35.9 preoperative and 75.1 postoperative. Nearly one-half (47%) of all primary and 54% of the revision patients experienced pain to some degree on ambulation. Roentgenographically, all femoral components appeared to be well fixed biologically. Roentgenographic changes occurred with time in both primary and revision prostheses. On roentgenographic zonal analysis of primary prostheses, radiolucencies greater than 1 mm were present most frequently in the most proximal lateral zone and at the distal tip of the prosthesis. Although the use of noncemented bipolar prostheses generally shows acceptable clinical results, noncemented fixed acetabular components with noncemented femoral components produce a more satisfactory clinical result.
J C Butler; T C Skalley; S D Cook; M R Brinker; R J Haddad; J R Sackett; J B Cheramie
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Clinical orthopaedics and related research     Volume:  -     ISSN:  0009-921X     ISO Abbreviation:  Clin. Orthop. Relat. Res.     Publication Date:  1990 May 
Date Detail:
Created Date:  1990-05-24     Completed Date:  1990-05-24     Revised Date:  2005-03-03    
Medline Journal Info:
Nlm Unique ID:  0075674     Medline TA:  Clin Orthop Relat Res     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  180-8     Citation Subset:  AIM; IM    
Department of Orthopaedic Surgery, Tulane University School of Medicine, New Orleans, Louisiana 70112.
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MeSH Terms
Aged, 80 and over
Bone Cements
Femur / pathology,  radiography
Follow-Up Studies
Hip Prosthesis*
Middle Aged
Pelvis / radiography
Prosthesis Design*
Prosthesis Failure
Reg. No./Substance:
0/Bone Cements

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

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