Document Detail

Midterm results in metal-backed patella revisions for metallosis.
MedLine Citation:
PMID:  9316720     Owner:  NLM     Status:  MEDLINE    
Nine patients underwent isolated patellar revisions and synovectomies for metallosis secondary to the mechanical failure of metal-backed patellar components. These patients were followed for an average of 5 years (range, 2 to 8 years). In all cases, the femoral and tibial components were left in place, and in one patient the patellar bone was deemed too thin to resurface. Two patients (22%) developed deep infection. One infection (enterococcal) required arthrodesis, and the other (staphylococcal) was successfully managed with a two-staged reimplantation. A third patient sustained an inferior patella pole fracture that was treated conservatively. The remaining six patients are functioning satisfactorily. Metallosis is a serious complication in knee arthroplasty, and these patients merit close follow-up.
J Arredondo; R L Worland; D E Jessup; F Angles
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  American journal of orthopedics (Belle Mead, N.J.)     Volume:  26     ISSN:  1078-4519     ISO Abbreviation:  Am J. Orthop.     Publication Date:  1997 Sep 
Date Detail:
Created Date:  1997-11-26     Completed Date:  1997-11-26     Revised Date:  2010-01-05    
Medline Journal Info:
Nlm Unique ID:  9502918     Medline TA:  Am J Orthop (Belle Mead NJ)     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  598-600     Citation Subset:  IM    
Joint Replacement Center, Richmond, Virginia, USA.
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MeSH Terms
Follow-Up Studies
Foreign-Body Reaction / radiography,  surgery*
Knee Prosthesis*
Metals / adverse effects*
Motion Therapy, Continuous Passive
Patella / radiography,  surgery*
Postoperative Care
Postoperative Complications / radiography,  surgery*
Prosthesis Design
Prosthesis Failure
Prosthesis-Related Infections / radiography,  surgery*
Staphylococcal Infections / radiography,  surgery
Synovial Membrane / radiography,  surgery
Reg. No./Substance:

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