Measuring glenoid retroversion
WebDec 1, 2014 · Computerized tomography (CT) scans allow for more accurate measurement of glenoid version but can vary depending on the position of the scapula during the imaging process. To account for scapular positioning difficulties a 3-dimensional CT reconstruction has shown to improve the accuracy of the measurement of retroversion [3]. Initially ... WebJan 14, 2024 · Retroversion decreases further in the inferior direction (average -0.5°, range -20.9 to +17.5°). The average thoracoscapular angle is 45.46°, ranging from 13.1 to 69.0°. The average scapular...
Measuring glenoid retroversion
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WebSep 3, 2024 · Asymmetric reaming is a technique in which the “high side” of the anterior glenoid is reamed to correct glenoid retroversion and recenter the humeral head prior to resurfacing the glenoid with an implant. 23 Clinical outcomes of total shoulder arthroplasty using this technique have been mixed. 24–27 Cadaveric and simulation studies have … WebThe average glenoid version for black and white patients measured 0.20 degrees and 2.65 degrees of retroversion, respectively (P =.000014). Specifically, the glenoid version for black and white men measured 0.11 degrees and 2.87 …
WebDec 1, 2010 · Recognition of the glenoid version is important for evaluation of different pathologies such as degenerative wear, shoulder instability, or congenital deformity. … WebGlenoid version measurements were made in Mimics using the 4 methods. For the experimental method, scapulae were reconstructed, and 3 orthogonal global coordinate …
WebMar 11, 2014 · CT arthrograms are used to measure glenoid version, and the glenoid has 28.3° retroversion. The intermediate line is selected as the glenoid line in the Walch classification B2 glenoid. WebGlenoid retroversion was overestimated on plain radiographs in 86%. The mean difference between measurements of glenoid version on axillary views and CT cuts was 6.5 degrees …
WebNov 11, 2014 · A highly standardized implantation protocol using artificial glenoid bones (five per group) was chosen, and a physiologic shoulder movement was applied in a biomechanical setting. Micromotions (MM) between glenoid components and bone were quantified using an optical 3D measuring system. Results:
WebThey conducted a retrospective review of computed tomography (CT) scans of 76 shoulders undergoing shoulder arthroplasty. 76 CTs were analyzed for glenoid inclination and … bressman lawWebSep 1, 1999 · CT scan showing the excessive retroversion of the glenoid (>25 and distributed wear as seen in type C. scapular bone specimen and 18% in a CT scan and magnetic resonance imaging study of 300 patients. He also correlated the posterior glenoid wear in osteoarthritis to this anatomic variation. bresson pickpocket torrent extensionWebMay 21, 2024 · To assess glenoid version, a line was drawn from medial corner of the glenoid body to midpoint of the glenoid face. A line perpendicular to this was the … bresson\\u0027s cameraWebResults: The mean glenoid height and width were 38.6 and 29.4 mm for males and 33.1 and 24.4 mm for females, respectively. Both retroversion and superior inclination were … countries that confiscated gunsWebmid glenoid with retroversion measured utilizing the angle between the scapular axis and the plane of the gle-noid (α). (Adapted from Friedman et al. [4]) Fig. 1.3 Expanded Walch … countries that colonized japanWebSep 1, 2015 · A: Reference lines (rectilinear wires in practice) for measuring the glenoid retroversion angle. Transverse line up to the Assaki tubercle (a), a line at the same transverse level, on the easily identified flat anterior … countries that committed the most war crimesWebSep 1, 2003 · The mean glenoid version measured on CT scans was 3° of retroversion in the native shoulders (range, 7° of anteversion to 16° of retroversion) and 2° of anteversion … countries that circumcise boys