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Suzuki, Tomoaki; Momma, Daisuke; Inoue, Nozomu; Kondo, Eiji; Matsui, Yuichiro; Iwasaki, Norimasa
BMC musculoskeletal disorders, 07/2024, Letnik: 25, Številka: 1Journal Article
Abstract Background The Sauvé–Kapandji (S-K) method is a surgical procedure performed for chronic deformities of the distal radial ulnar joint (DRUJ). Changes to the joint contact surface from pre- to postoperatively under physiological in vivo conditions have not yet been determined for this useful treatment. The aim of the present study was therefore to compare the articular contact area of the wrist joint between before and after the S-K method for DRUJ disorders. Methods The SK method was performed for 15 patients with DRUJ osteoarthritis and ulnar impaction syndrome. We calculated the Mayo Wrist Score as the patient’s clinical findings and created 3-dimensional bone models of cases in which the S-K method was performed and calculated the contact area and shift in the center of the contact area using customized software. Results The Mean modified Mayo Wrist Score improved significantly from 60.3 preoperatively to 80.3 postoperatively ( P < 0.01). Scaphoid contact area to the radius increased significantly from 112.6 ± 37.0 mm 2 preoperatively to 127.5 ± 27.8 mm 2 postoperatively ( P = 0.03). Lunate contact area to radius-ulna was 121.3 ± 43.3 mm 2 preoperatively and 112.5 ± 37.6 mm 2 postoperatively, but this decrease was not significant ( P = 0.38). Contact area ratio of scaphoid to lunate increased significantly from 1.01 ± 0.4 preoperatively to 1.20 ± 0.3 postoperatively ( P = 0.02). Postoperative translations of the center of the scaphoid and lunate contact areas were decomposed into ulnar and proximal directions. Ulnar and proximal translation distances of the scaphoid contact area were 0.8 ± 1.7 mm and 0.4 ± 0.6 mm, respectively, and those of the lunate contact area were 1.1 ± 1.7 mm and 0.4 ± 1.1 mm, respectively. This study revealed changes in wrist contact area and center of the contact area before and after the S-K method. Conclusion These results may accurately indicate changes in wrist joint contact area from pre- to postoperatively using the S-K method for patients with DRUJ disorder. Evaluation of changes in contact area due to bone surface modeling of the wrist joint using 3DCT images may be useful in considering surgical methods.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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in: SICRIS
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