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Residual hip dysplasia at 1 year after treatment for neonatal hip instability is not related to degenerative joint disease in young adulthood: a 21-year.

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Presentation on theme: "Residual hip dysplasia at 1 year after treatment for neonatal hip instability is not related to degenerative joint disease in young adulthood: a 21-year."— Presentation transcript:

1 Residual hip dysplasia at 1 year after treatment for neonatal hip instability is not related to degenerative joint disease in young adulthood: a 21-year follow-up study including dGEMRIC  D. Wenger, C. Siversson, L.E. Dahlberg, C.J. Tiderius  Osteoarthritis and Cartilage  Volume 24, Issue 3, Pages (March 2016) DOI: /j.joca Copyright © 2015 Osteoarthritis Research Society International Terms and Conditions

2 Fig. 1 The ROI is drawn manually on an anatomical MRI image. The dGEMRIC index is calculated as the mean T1Gd of all voxels in the ROI. Osteoarthritis and Cartilage  , DOI: ( /j.joca ) Copyright © 2015 Osteoarthritis Research Society International Terms and Conditions

3 Fig. 2 Relations between radiographic parameters of hip dysplasia and cartilage quality assessed by dGEMRIC: a) the CE angle and the dGEMRIC index (a low CE angle consistent with hip dysplasia), b) the FHEI and the dGEMRIC index (a low FHEI consistent with hip dysplasia) and c) the Sharp angle and the dGEMRIC index (a high Sharp angle consistent with hip dysplasia). Each dot represents an individual hip. Osteoarthritis and Cartilage  , DOI: ( /j.joca ) Copyright © 2015 Osteoarthritis Research Society International Terms and Conditions

4 Fig. 3 A possible osteophyte on the lateral aspect of the femoral head in this case (arrow) was found in five hips (three subjects). Osteoarthritis and Cartilage  , DOI: ( /j.joca ) Copyright © 2015 Osteoarthritis Research Society International Terms and Conditions

5 Fig. 4 The dGEMRIC index of both hips in 13 subjects with unilateral dysplasia (defined as AI ≥28°) at age 1 year. Each dot represents an individual hip. Dysplastic hips (AI ≥28°, right in figure) are connected with lines to their respective contralateral hip (AI <28°, left in figure). The red bars denote the mean dGEMRIC index in each group of hips: 631 ms (582–680) for dysplastic hips and 631 ms (95% CI: 572–690) for hips with AI <28°, P = 0.97 (paired t-test). The green line at 570 ms. marks the mean dGEMRIC index from a previous investigation of healthy volunteers25. Osteoarthritis and Cartilage  , DOI: ( /j.joca ) Copyright © 2015 Osteoarthritis Research Society International Terms and Conditions


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