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Titre : | Upright Magnetic Resonance Imaging Tasks in the Knee Osteoarthritis Population: Relationships Between Knee Flexion Angle, Self-Reported Pain, and Performance (2016) |
Auteurs : | Venkata Gade ; Jerome Allen ; Jeffrey L. Cole |
Type de document : | Article |
Dans : | Archives of Physical Medicine and Rehabilitation (2016/7, 2016) |
Article en page(s) : | pp. 11071114 |
Langues: | Anglais |
Descripteurs : |
HE Vinci Arthrose ; Genou ; Imagerie par résonance magnétique ; Rééducation et réadaptation |
Mots-clés: | Knee ; Magnetic resonance imaging ; Osteoarthritis |
Résumé : |
Objective To characterize the ability of patients with symptomatic knee osteoarthritis (OA) to perform a weight-bearing activity compatible with upright magnetic resonance imaging (MRI) scanning and how this ability is affected by knee pain symptoms and flexion angles. Design Cross-sectional observational study assessing effects of knee flexion angle, pain level, and study sequence on accuracy and duration of performing a task used in weight-bearing MRI evaluation. Visual feedback of knee position from an MRI compatible sensor was provided. Pain levels were self-reported on a standardized scale. Setting Simulated MRI setup in a research laboratory. Participants Convenience sample of individuals (N=14; 9 women, 5 men; mean, 69+14y) with symptomatic knee OA. Interventions Not applicable. Main Outcome Measures Averaged absolute and signed angle error from target knee flexion for each minute of trial and duration tolerance (the duration that subjects maintained position within a prescribed error threshold). Results Absolute targeting error increased at longer trial durations (P<.001 duration tolerance decreased with increasing pain se no pain: severe p=".008)." study sequence affected knee: second> Conclusions The study provided evidence that weight-bearing MRI evaluations based on imaging protocols in the range of 2 to 3 minutes are compatible with patients reporting mild to moderate knee OA-related pain. |
Disponible en ligne : | Oui |
En ligne : | https://login.ezproxy.vinci.be/login?url=https://www.sciencedirect.com/science/article/pii/S0003999315015592 |