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.
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.
Authors: Laura Jill Kleeblad; Hendrik A Zuiderbaan; Alissa J Burge; Mark J Amirtharaj; Hollis G Potter; Andrew D Pearle Journal: HSS J Date: 2018-08-23
Authors: Femke F Schröder; Corine E Post; Frank-Christiaan B M Wagenaar; Nico Verdonschot; Rianne M H A Huis In't Veld Journal: J Magn Reson Imaging Date: 2019-07-22 Impact factor: 4.813