Document Detail

Cemented polyethylene and cementless porous-coated acetabular components have similar outcomes at a mean of seven years after total hip replacement: a prospective randomised study.
MedLine Citation:
PMID:  23188899     Owner:  NLM     Status:  MEDLINE    
The aim of this prospective randomised study was to compare the clinical and radiological results of a cemented all-polyethylene Ultima acetabular component with those of a cementless porous-coated acetabular component (PFC) following total hip replacement (THR). A total of 287 patients received either a polyethylene acetabular component (group A) or a cobalt-chromium porous-coated component (group B) with an identical cemented femoral component and 28 mm cobalt-chromium head, thus making it the largest study of its type. Patients were evaluated radiologically and clinically using the Harris hip score (HHS). Group A comprised 183 patients (73 male, 110 female) with a mean age of 71.3 years (55 to 89). Group B comprised 104 patients (48 male, 56 female) with a mean age of 69.8 years (56 to 89). A total of 16 patients (13 in Group A, three in Group B) did not have post-operative data for analysis. The mean follow-up in group A was 7.52 years (0.4 to 15.0) and in Group B 7.87 years (0.5 to 14.0). At final follow-up the mean HHS was similar between groups A and B (74.5 (25 to 100) and 78.0 (37 to 100), respectively; p = 0.068). The total number of revisions for any cause was 28, 17 of which were in group A and 11 in group B. The ten-year survivorship was 86.8% (95% confidence interval (CI) 78.4 to 92.1) and 89.2% (95% CI 78.3 to 94.8) for groups A and B, respectively (log-rank p-value = 0.938). A total of 20 cemented and two cementless acetabular components had evidence of acetabular radiolucencies or acetabular component migration at last follow-up (p = 0.001). These results indicate that patients with a cemented all-polyethylene and cementless porous-coated polyethylene lined acetabular component have similar long-term clinical outcomes.
D S Angadi; S Brown; E J P Crawfurd
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Publication Detail:
Type:  Journal Article; Randomized Controlled Trial    
Journal Detail:
Title:  The Journal of bone and joint surgery. British volume     Volume:  94     ISSN:  0301-620X     ISO Abbreviation:  J Bone Joint Surg Br     Publication Date:  2012 Dec 
Date Detail:
Created Date:  2012-11-28     Completed Date:  2013-04-04     Revised Date:  2013-12-05    
Medline Journal Info:
Nlm Unique ID:  0375355     Medline TA:  J Bone Joint Surg Br     Country:  England    
Other Details:
Languages:  eng     Pagination:  1604-10     Citation Subset:  AIM; IM    
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MeSH Terms
Acetabulum / radiography,  surgery*
Aged, 80 and over
Arthritis, Rheumatoid / surgery*
Arthroplasty, Replacement, Hip / adverse effects,  methods*,  mortality
Bone Cements / adverse effects,  therapeutic use*
Follow-Up Studies
Hip Joint / surgery*
Hip Prosthesis*
Middle Aged
Osteoarthritis, Hip / surgery*
Polyethylene / therapeutic use*
Prospective Studies
Prosthesis Design
Survival Analysis
Treatment Outcome
Reg. No./Substance:
0/Bone Cements; 9002-88-4/Polyethylene
Comment In:
Bone Joint J. 2013 Nov;95-B(11):1443-4   [PMID:  24151259 ]

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

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