title: [Porous tantalum modular cups in revision hip arthroplasty].
abstract: BACKGROUND
  Modem indications for use of cemented or uncemented implants in revision hip arthroplasty are comparable. The use of bone cement provides predictable short term results, but the lack of osteointegration deteriorates its long term durability. Uncemented implants undergo osteointegration, but reduced contact with host bone may cause early loosening. Modular porous tantalum implants are highly osteointegrative, and the availability of bone stock augments increases the versatility of this system.
  
  
  METHODS
  The study group consisted of 20 patients (21 hips) who underwent a revision hip arthroplasty using Trabecular Metal acetabular revision system. The follow-up period was between 7 and 31 months (average 20 months). All patients were evaluated with HHS and conventional radiography.
  
  
  RESULTS
  The mean HHS increased form40.45 (range 18.74-56.65) preoperatively to 78.8 (56.5-96) at the last follow-up. No mechanical failures, nor septic complications were noted.
authors.affiliation: Klinika Ortopedii Ogólnej, Onkologicznej i Traumatologii, Uniwersytet Medyczny im. Karola Marcinkowskiego w Poznaniu. jmarkuszewski@orsk.ump.edu.pl
authors.forename: Jacek
authors.initials: J
authors.lastname: Markuszewski
authors.forename: Małgorzata
authors.initials: M
authors.lastname: Wierusz-Kozłowska
authors.forename: Waldemar
authors.initials: W
authors.lastname: Woźniak
authors.forename: Łukasz
authors.initials: Ł
authors.lastname: Łapaj
authors.forename: Paweł
authors.initials: P
authors.lastname: Kokoszka
mesh_terms: D000077:Acetabulum / Q000000981:diagnostic imaging / Q000601:surgery*; D000368:Aged; D019644:Arthroplasty, Replacement, Hip / Q000379:methods*; D001672:Biocompatible Materials / Q000627:therapeutic use; D005260:Female; D005500:Follow-Up Studies; D006622:Hip Prosthesis; D006801:Humans; D016268:Internal Fixators; D008297:Male; D008875:Middle Aged; D016062:Porosity; D011474:Prosthesis Design; D011859:Radiography; D012086:Reoperation; D013635:Tantalum / Q000627:therapeutic use*; D016896:Treatment Outcome
chemical_list: D001672:Biocompatible Materials; D013635:Tantalum