High failure rate of a modern, proximally roughened, cemented stem for total hip arthroplasty

A. Grose, A. González Della Valle, P. Bullough, S. Lyman, I. Tomek, P. Pellicci

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

The role of surface finish on the survivorship of cemented femoral stems continues to be debated. A total of 34 proximally roughened cemented stems were implanted in 33 consecutive patients undergoing total hip arthroplasty by a single surgeon. An alarmingly high failure rate was observed, prompting a retrospective chart review, analysis of radiographs, and evaluation of retrieved stems and pathological specimens. Nineteen patients were available with more than two years follow-up. Of these 19 patients, nine stems had failed (47%) due to severe osteolysis and stem loosening. Failures were significantly more common in the male gender (p<0.005), and young (p=0.05), tall (p<0.002), and heavy patients (p<0.004). All failed revised hips showed severe metallosis, with both gross and microscopic evidence of metallic shedding from the stems. Our findings suggest that this proximally roughened stem is susceptible to early failure. Failure is characterized by stem debonding, subsidence within the cement mantle, shedding of metallic and cement particles due to fretting, and rapidly progressive osteolysis. These findings have been observed with other rough surface finish cemented stems.

Original languageEnglish
Pages (from-to)243-247
Number of pages5
JournalInternational Orthopaedics
Volume30
Issue number4
DOIs
Publication statusPublished - Aug 1 2006
Externally publishedYes

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Arthroplasty
Hip
Osteolysis
Thigh
Survival Rate

All Science Journal Classification (ASJC) codes

  • Surgery
  • Orthopedics and Sports Medicine

Cite this

High failure rate of a modern, proximally roughened, cemented stem for total hip arthroplasty. / Grose, A.; González Della Valle, A.; Bullough, P.; Lyman, S.; Tomek, I.; Pellicci, P.

In: International Orthopaedics, Vol. 30, No. 4, 01.08.2006, p. 243-247.

Research output: Contribution to journalArticle

Grose, A. ; González Della Valle, A. ; Bullough, P. ; Lyman, S. ; Tomek, I. ; Pellicci, P. / High failure rate of a modern, proximally roughened, cemented stem for total hip arthroplasty. In: International Orthopaedics. 2006 ; Vol. 30, No. 4. pp. 243-247.
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