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This division was established by first calculating the mean and SD of the dGEMRIC indices of all of the study cohort patients. Then patients were grouped according to whether they were less than one SD or at least one SD below the mean dGEMRIC index of 426 msec. The dGEMRIC indices, with and without BMI dose correction, for each of the 4 ROI and averaged for each sagittal section are presented in Table 2.There was statistically significant negative correlation between age and dGEMRIC index regardless of BMI dose correction (medial dGEMRIC index, r = −0.40, p < 0.001; lateral dGEMRIC index, r = −0.29, p = 0.012). We performed a prospective cohort study to evaluate the dGEMRIC index of articular hip cartilage and the morphologic changes in the labrum, cartilage, and bone preoperatively and at twelve and twenty-four months following periacetabular osteotomy for correction of developmental dysplasia of the hip.

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dGEMRIC index of MCP joints with initially severe synovitis and less severe synovitis in an intra-individual assessment. This underlines the importance of an early treatment in eRA to reduce further cartilage damage of the inflamed joints. Key words magnetic resonance imaging, dGEMRIC, early rheumatoid arthritis, methotrexate therapy The dGEMRIC index in the cartilage adjacent to the repair tissue correlated negatively with radiographic osteophyte score, r = –0.75 (p = 0.03). Interpretation — A traumatic cartilage injury is associated with a high prevalence of OA after 17 years. 2009-05-01 The patients were divided into two groups on the basis of their dGEMRIC index. This division was established by first calculating the mean and SD of the dGEMRIC indices of all of the study cohort patients.

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The delayed Gadolinium Enhanced MRI of Cartilage (dGEMRIC) index is highly correlated to mechanical stiffness, and, although not as good as a direct mechanical measurement, the index can be used The dGEMRIC index is highly correlated to mechanical stiffness. A generalized relationship was found to provide good correspondence across sources and regions. Use of the dGEMRIC index as a predictive measure of stiffness is possible, depending on the application's acceptable error.

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There was no difference in the dGEMRIC Index between men and women (P¼0.46 medial, P¼0.85 lateral). Neither average dGEMRIC index as well as slice 2, as an early measure of OA, appears to help identify patients who will not benefit from a joint reconstruction procedure. We show that the analysis of one central slice over the hip joint (slice 2) provides similar information as the average dGEMRIC index … dGEMRIC index, cartilage thickness, surface area, and volume for each of the four joint quadrants and compared the manual and the automated 3-D analyses using mean differences.

We measured dGEMRIC index, cartilage thickness, surface area, and volume for each of the four joint quadrants and compared the manual and the automated 3-D analyses using mean differences. Agreement between the techniques was assessed using intraclass correlation coefficients (ICC). The dGEMRIC index was lower in SCFE hips than unaffected hips 456 ms (CI 419–493) vs 521 ms (CI 476–567) (P = 0.03). The difference was larger (mean 21 ms) in anterior than posterior regions of the hip (P = 0.038).
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Results: The dGEMRIC index correlated with both pain (rs = -0.50, p < 0.0001) and the lateral center-edge angle (rs = 0.52, p < 0.0001), whereas the joint space width did not correlate with either, with the numbers available. Results: The mean dGEMRIC index (and standard deviation) for this cohort (473 +/- 104 msec) was significantly lower than that of a morphologically normal hip (570 +/- 90 msec). The anterior center-edge angle, the joint space width, and the presence of a labral tear were all found to be associated with osteoarthritis in the univariate analysis. Acetabular dGEMRIC indices were measured on the 7 clock positions of the superior circumference (9 to 3 o’clock).

We found that the dGEMRIC index decreased to a substantially higher degree in operatively treated patients with FAI compared with nonoperative management at 1-year followup. The baseline dGEMRIC index correlated with the improvement in the WOMAC score 1 year postoperatively. differences in the dGEMRIC index across a region were used to predict difference in stiffness.
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Omförnätet by Jesper Ohlsson - issuu

Objective To determine the association between changes in the delayed gadolinium-enhanced MRI of cartilage (dGEMRIC) index over 2 years as a measure of cartilage proteoglycan concentration, with changes in cartilage thickness in the medial tibiofemoral compartment of knees in middle-aged women. Methods One hundred and forty-eight women (one knee for each subject) aged ≥40 years were included To compare the delayed gadolinium-enhanced magnetic resonance (MR) imaging of cartilage (dGEMRIC) indexes acquired with different gadolinium-based contrast agents (GBCAs), with emphasis on the difference in electrical charge, and to evaluate the feasibility of the use of GBCAs other than gadopentetate dimeglumine with a double negative charge (Gd-DTPA 2−) as alternatives at dGEMRIC. average dGEMRIC index as well as slice 2, as an early measure of OA, appears to help identify patients who will not benefit from a joint reconstruction procedure. We show that the analysis of one central slice over the hip joint (slice 2) provides similar information as the average dGEMRIC index of all hip joint cartilage. low dGEMRIC index in the repair tissue two years postoperatively indicated fibrocartilage of low quality.