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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Subhas, Naveen Patel, Sunny H. Obuchowski, Nancy A. Jones, Morgan H. |
| Abstract | The primary objectives of this study were to determine how frequently knee magnetic resonance imaging (MRI) changes (1) diagnosis, (2) diagnostic confidence, and (3) management. A secondary objective was to correlate these changes with specific patient/physician characteristics and develop a prediction model using these characteristics. Six orthopedic specialists prospectively completed surveys when ordering knee MRI (n=93). Pre-MRI surveys recorded history, symptoms, signs, diagnosis, diagnostic confidence, and planned management. Post-MRI surveys recorded diagnosis, confidence, and planned management. Changes in diagnosis, management, and diagnostic confidence were correlated with patient/physician characteristics using chi-square and logistic regression tests. A multiple variable model was created with the most significant variables from the univariate analysis, and a c-index was used for cross-validation. Magnetic resonance imaging changed diagnosis in 29.3% and management in 25.3% of cases. Confidence in diagnoses after MRI increased, on average, by 10.6%. Change in diagnosis was significantly correlated with lateral joint line pain (P=.012) and tenderness (P=.006). The 3 most significant predictors for change in management were ligament pathology (P=.017), medial-sided pain/tenderness (P=.051), and age (P=.133). A 3-variable model using these predictors was significantly better than chance alone at predicting management changes (c-index: model=0.766; cross-validation=0.661). Magnetic resonance imaging frequently changed diagnosis and management and improved diagnostic confidence in a large minority of patients with internal derangement of the knee, even after evaluation by subspecialized physicians. A statistical model using specific patient characteristics can be created to predict when MRI will change management. |
| Related Links | https://www.healio.com/orthopedics/journals/ortho/2014-2-37-2/{19f29a94-79c6-49a1-abcb-e5b06938c69b}/value-of-knee-mri-in-the-diagnosis-and-management-of-knee-disorders |
| File Format | HTM / HTML |
| ISSN | 01477447 |
| e-ISSN | 19382367 |
| DOI | 10.3928/01477447-20140124-11 |
| Journal | Orthopedics |
| Issue Number | 2 |
| Volume Number | 37 |
| Language | English |
| Publisher | SLACK Incorporated |
| Publisher Date | 2014-02-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Discipline Orthopedics Joint Diseases Diagnosis Therapy Knee Injuries Knee Joint Pathology Magnetic Resonance Imaging Utilization Physician's Practice Patterns Statistics & Numerical Data Adolescent Critical Pathways Data Interpretation, Statistical Reproducibility Of Results Sensitivity And Specificity Controlled Clinical Trial |
| Content Type | Text |
| Resource Type | Article |
| Subject | Orthopedics and Sports Medicine Surgery |
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