Discrepancy and contradiction regarding fixation of hip stems with or without cement: survey among 765 hip arthroplasty specialists

Tim A.E.J. Boymans*, Ide C. Heyligers, Bernd Grimm

*Corresponding author for this work

Research output: Contribution to journalArticleResearchpeer-review

3 Citations (Scopus)

Abstract

Introduction: The growing use of cementless stems is associated with an increase in implant-related complications. This global survey study investigates which parameters orthopaedic surgeons currently consider for either cemented or cementless stem fixation in primary total hip arthroplasty (THA). Methods: A survey regarding current practice patterns was distributed among hip arthroplasty specialists. Key questions concerned: (i) frequency of using cemented/cementless stems; (ii) frequency of using parameters which influence a choice between both; (iii) usage of specific cut-off values for parameters. Results: 507 (out of 765) respondents, having at least 5 years’ experience and performing at least 50 cases a year, were selected for analysis. Respondents using both fixation techniques (n = 413; 81%) use a cementless stem in 69% and a cemented stem in 31%. The choice is most frequently based on: (i) patient age; (ii) cortical thickness; (iii) femoral canal shape; (iv) bone mineral density; and (v) stem fit on preoperative templating. 57% using both fixation techniques do not use a specific cut-off value for age. 92% of the respondents that do use a cut-off value for age use exclusively cemented stems in patients being ⩾72.7 years (median 75; range 50–90 years). Considerable discrepancy and even contradictory responses were present regarding the other parameters and the use of specific cut-off values. Conclusions: Current practice patterns regarding stem fixation in primary THA vary substantially among orthopaedic surgeons. Evidence-based guidelines are needed to define which parameters and threshold values support the best individual choice for hip stem fixation.

Original languageEnglish
Pages (from-to)514-521
Number of pages8
JournalHIP International
Volume28
Issue number5
DOIs
Publication statusPublished - 1 Sep 2018
Externally publishedYes

Keywords

  • Cemented hip stem
  • cementless hip stem
  • implant selection
  • surgical decision making
  • total hip arthroplasty

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