Late posterior hip instability after lumbar spinopelvic fusion

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Presentation transcript:

Late posterior hip instability after lumbar spinopelvic fusion Colin A. Mudrick, MD, J. Stuart Melvin, MD, Bryan D. Springer, MD Arthroplasty Today Volume 1, Issue 2, Pages 25-29 (June 2015) DOI: 10.1016/j.artd.2015.05.002 Copyright © 2015 Terms and Conditions

Figure 1 Standing AP pelvic radiograph after left total hip replacement. Arthroplasty Today 2015 1, 25-29DOI: (10.1016/j.artd.2015.05.002) Copyright © 2015 Terms and Conditions

Figure 2 Standing lateral radiograph of the lumbar spine demonstrating previous L3 to L5 posterior fusion and development of adjacent segment disease and junctional kyphosis at L2. Arthroplasty Today 2015 1, 25-29DOI: (10.1016/j.artd.2015.05.002) Copyright © 2015 Terms and Conditions

Figure 3 Standing AP Spine radiographs following instrumented T10 to Ilium fusion. Arthroplasty Today 2015 1, 25-29DOI: (10.1016/j.artd.2015.05.002) Copyright © 2015 Terms and Conditions

Figure 4 AP pelvic radiograph rays following posterior hip dislocation five weeks after lumbopelvic fusion. Arthroplasty Today 2015 1, 25-29DOI: (10.1016/j.artd.2015.05.002) Copyright © 2015 Terms and Conditions

Figure 5 Postoperative AP pelvis radiograph following acetabular revision. Arthroplasty Today 2015 1, 25-29DOI: (10.1016/j.artd.2015.05.002) Copyright © 2015 Terms and Conditions

Figure 6 Lateral pelvis drawings demonstrating a) measurements of sacral slope (SS), pelvic incidence (I), and pelvic tilt (PT) and b) change in SS., acetabular saggital tilt (AST) and sacrocetabular angle (SAA) in a patient with a normal lumbar spine as they move from sitting to standing position [1]. Arthroplasty Today 2015 1, 25-29DOI: (10.1016/j.artd.2015.05.002) Copyright © 2015 Terms and Conditions

Figure 7 Lateral lumbar spine radiographs a) before and b) after lumbar spine-to-pelvis fusion. These radiographs demonstrate a change in the patients' sacral slope from 17 to 29 degrees and this resulted in a concomitant decrease in her acetabular sagittal tilt from 31 to 21 degrees. Arthroplasty Today 2015 1, 25-29DOI: (10.1016/j.artd.2015.05.002) Copyright © 2015 Terms and Conditions