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Exact reduction of the joint congruency is the main factor to avoid the development of arthrosis. Aim of this study was to evaluate feasibility of computer-assisted surgical planning and 3D-printed patient-specific instrumentation (PSI) for treatment of distal intraarticular radius fractures.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Method<\/jats:title>\n                <jats:p>7 Patients who suffered a distal intraarticular radius fracture were enrolled in this prospective case series. Preoperative CT-scan was recorded, whereupon a 3D model was computed for surgical planning and design of PSI for surgical navigation. Postoperative accuracy and joint congruency were assessed. Patients were followed-up 3, 6 and 12\u00a0months postoperatively.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Results<\/jats:title>\n                <jats:p>Mean follow-up was 16\u00a0months. Over all range of motion was restored and flexion, extension and pronation showed significant recovery, <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.05. Biggest intraarticular joint step-off and gap reduced from average 2.49 (\u00b1\u20091.04) to 0.8\u00a0mm (\u00b1\u20090.44), <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.05 and 6.12\u00a0mm (\u00b1\u20091.04) to 2.21\u00a0mm (\u00b1\u20091.16), <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.05. Average grip strength restored (3\u201316\u00a0months) from 20.33\u00a0kg (\u00b1\u20097.12) to 39.3\u00a0kg (\u00b1\u200919.55) <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.05, 100% of the healthy contralateral side. 3D-accuracy for guided fragments was 2.07\u00a0mm (\u00b1\u20090.64) and 8.59\u00b0 (\u00b1\u20092.9) and 2.33\u00a0mm (\u00b1\u20090.69) and 12.86\u00b0\u00a0(\u00b1\u20097.13), <jats:italic>p<\/jats:italic>\u2009&gt;\u20090.05 for fragments reduced with ligamentotaxis.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Conclusion<\/jats:title>\n                <jats:p>Computer-assisted and PSI navigated intraarticular radius fracture treatment is feasible, safe and accurate. The benefits of this method, however, do not outstand the additional effort.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Level of evidence<\/jats:title>\n                <jats:p> IV.<\/jats:p>\n              <\/jats:sec>","DOI":"10.1007\/s00402-021-03856-6","type":"journal-article","created":{"date-parts":[[2021,3,14]],"date-time":"2021-03-14T09:04:18Z","timestamp":1615712658000},"page":"1425-1432","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":11,"title":["Computer-assisted open reduction internal fixation of intraarticular radius fractures navigated with patient-specific instrumentation, a prospective case series"],"prefix":"10.1007","volume":"141","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9530-4861","authenticated-orcid":false,"given":"F. 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