Role of magnetic resonance imaging in the diagnosis of the painful unicompartmental knee arthroplasty

Caroline N. Park, Hendrik A. Zuiderbaan, Anthony Chang, Saker Khamaisy, Andrew D. Pearle, Anil S. Ranawat

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

Background: Unicompartmental knee arthroplasty (UKA) is a well established method for the treatment of single compartment arthritis; however, a subset of patients still present with continued pain after their procedure in the setting of a normal radiographic examination. This study investigates the effectiveness of magnetic resonance imaging (MRI) in guiding the diagnosis of the painful unicompartmental knee arthroplasty. Methods: An IRB-approved retrospective review identified 300 consecutive UKAs performed over a three years period with 28 cases of symptomatic UKA (nine percent) with normal radiographic images. Results: MRI examination was instrumental in finding a diagnosis that went undetected on radiographs. Based on MRI findings, 10 (36%) patients underwent surgery whilst 18 (64%) were treated conservatively. Conclusion: This study supports the use of MRI as a valuable imaging modality for managing symptomatic unicompartmental knee arthroplasty. Level of evidence: Case series.

Original languageEnglish
Pages (from-to)341-346
Number of pages6
JournalKnee
Volume22
Issue number4
DOIs
StatePublished - 1 Sep 2015
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2015 Elsevier B.V..

Keywords

  • Magnetic resonance imaging
  • Pain
  • Radiograph
  • Unicompartmental knee arthroplasty

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