{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,6]],"date-time":"2026-01-06T05:09:46Z","timestamp":1767676186393},"reference-count":31,"publisher":"World Scientific Pub Co Pte Ltd","issue":"04","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J Hand Surg Asian-Pac Vol"],"published-print":{"date-parts":[[2018,12]]},"abstract":"<jats:p>Background: Three-dimensional computed tomography (3D-CT) imaging has enabled more accurate preoperative planning. The purpose of this study was to investigate the results of a novel, computer-assisted, 3D corrective osteotomy using prefabricated bone graft substitute to treat malunited fractures of the distal radius.<\/jats:p><jats:p>Methods: We investigated 19 patients who underwent the computer-assisted 3D corrective osteotomy for a malunited fracture of the distal radius after the operation was stimulated with CT data. A prefabricated bone graft substitute corresponding to the patient\u2019s bone defect was implanted and internal fixation was performed using a plate and screws. We compared postoperative radiographic parameters of the patient\u2019s operated side with their sound side and analyzed clinical outcomes using Mayo wrist score.<\/jats:p><jats:p>Results: All patients achieved bone union on X-ray imaging at final follow-up. The mean differences of palmar tilt, radial inclination and ulnar variance between the operation side and the sound side were 4.3\u00b0, 2.3\u00b0 and 1.2 mm, respectively. The Mayo wrist score was fair in 4 patients and poor in 15 patients before surgery. At the final follow-up after surgery, the scores improved to excellent in 3 patients, good in 11 patients and fair in 5 patients. There were two patients with correction loss at the final follow-up, but no patient complained of hand joint pain.<\/jats:p><jats:p>Conclusions: We believe that computer-assisted 3D corrective osteotomy using prefabricated bone graft substitute achieved good results because it worked as a guide to the accurate angle.<\/jats:p>","DOI":"10.1142\/s2424835518500467","type":"journal-article","created":{"date-parts":[[2018,11,15]],"date-time":"2018-11-15T08:37:03Z","timestamp":1542271023000},"page":"479-486","source":"Crossref","is-referenced-by-count":17,"title":["Computer-Assisted Three-Dimensional Corrective Osteotomy for Malunited Fractures of the Distal Radius Using Prefabricated Bone Graft Substitute"],"prefix":"10.1142","volume":"23","author":[{"given":"Kosuke","family":"Shintani","sequence":"first","affiliation":[{"name":"Department of Orthopedic Surgery, Osaka City University Graduate School of Medicine, Osaka, 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