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Anterior iliopsoas impingement due to a malpositioned acetabular component - effective relief by surgical cup reorientation

Abstract

Background

Determining the aetiology of persistent pain following total hip arthroplasty (THA) can be challenging. Impingement of the iliopsoas muscle due to a malpositioned acetabular component after THA might be a potential cause of postoperative groin pain.

Methods

We retrospectively analysed the data of 12 consecutive patients from our orthopaedic department who underwent cup revision for painful iliopsoas impingement after primary THA.

Results

Thorough physical examination as well as radiological assessment of the included patients revealed that malpositioning of the acetabular component provoked iliopsoas impingement.

The Harris Hip Score and the orientation of the acetabular component before and after surgical revision at an average follow-up of 56 months were analysed.

Conclusions

We were able to demonstrate that surgical cup revision and reorientation resulted in distinctly improved scores and is a feasible option to effectively treat persistent iliopsoas impingement due to a malpositioned acetabular component following THA.

Hip Int 2017; 27(2): 128 - 133

Article Type: ORIGINAL RESEARCH ARTICLE

DOI:10.5301/hipint.5000443

Authors

Benjamin Schoof, Oliver Jakobs, Stefan Schmidl, Christian Lausmann, Florian Fensky, Johannes Beckmann, Thorsten Gehrke, Matthias Gebauer

Article History

Disclosures

Financial support: None.
Conflict of interest: None.

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Authors

Affiliations

  • HELIOS ENDO-Klinik Hamburg, Hamburg - Germany
  • Department of Trauma-, Hand- and Reconstructive Surgery, University Medical Centre Hamburg Eppendorf, Hamburg - Germany
  • Sportklinik Stuttgart, Stuttgart - Germany
  • Department of Osteology, University Medical Center Hamburg Eppendorf, Hamburg - Germany
  • Benjamin Schoof and Oliver Jakobs contributed equally to this study and are joint first authors.

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