Document Detail

Benefits of using modern cementing techniques in the acetabulum: the Rim Cutter.
MedLine Citation:
PMID:  23255637     Owner:  NLM     Status:  In-Data-Review    
PURPOSE. To compare radiological records of 90 consecutive patients who underwent cemented total hip arthroplasty (THA) with or without use of the Rim Cutter to prepare the acetabulum. METHODS. The acetabulum of 45 patients was prepared using the Rim Cutter, whereas the device was not used in the other 45 patients. Postoperative radiographs were evaluated using a digital templating system to measure (1) the positions of the operated hips with respect to the normal, contralateral hips (the centre of rotation of the socket, the height of the centre of rotation from the teardrop, and lateralisation of the centre of rotation from the teardrop) and (2) the uniformity and width of the cement mantle in the 3 DeLee Charnley acetabular zones, and the number of radiolucencies in these zones. RESULTS. The study group showed improved radiological parameters and were closer to the anatomic centre of rotation both vertically (1.5 vs. 3.7 mm, p<0.001) and horizontally (1.8 vs. 4.4 mm, p<0.001) and had consistently thicker and more uniform cement mantles (p<0.001). There were 2 radiolucent lines in the control group but none in the study group. CONCLUSION. The Rim Cutter resulted in more accurate placement of the centre of rotation of a cemented prosthetic socket, and produced a thicker, more congruent cement mantle with fewer radiolucent lines.
S N Darmanis; M Jw Hubble; J R Howell; S L Whitehouse; A J Timperley
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of orthopaedic surgery (Hong Kong)     Volume:  20     ISSN:  1022-5536     ISO Abbreviation:  J Orthop Surg (Hong Kong)     Publication Date:  2012 Dec 
Date Detail:
Created Date:  2012-12-20     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9440382     Medline TA:  J Orthop Surg (Hong Kong)     Country:  China    
Other Details:
Languages:  eng     Pagination:  316-21     Citation Subset:  IM    
Athens Military Hospital, Athens, Greece.
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