{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,17]],"date-time":"2026-10-17T00:48:55Z","timestamp":1792198135802,"version":"4.4.0"},"reference-count":46,"publisher":"SAGE Publications","issue":"6","license":[{"start":{"date-parts":[[2010,5,4]],"date-time":"2010-05-04T00:00:00Z","timestamp":1272931200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Am J Sports Med"],"published-print":{"date-parts":[[2010,6]]},"abstract":"<jats:p>Background: To achieve reduction of an acute acromioclavicular (AC) joint separation, novel procedures aim to provide stability and function by restoring the coracoclavicular anatomy.<\/jats:p>\n                  <jats:p>Hypothesis: Anatomical reconstruction for acute AC joint disruption using 2 flip-button devices results in satisfactory clinical function and provides a stable fixation.<\/jats:p>\n                  <jats:p>Study Design: Case series; Level of evidence, 4.<\/jats:p>\n                  <jats:p>Methods: The outcome of 23 consecutive patients (21 men, 2 women; mean age, 37.5 \u00b1 10.2 years; range, 21-59 years) who underwent anatomical reduction for an acute AC joint dislocation using 2 flip-button devices, each separately replacing 1 coracoclavicular ligament, was evaluated clinically and radiographically preoperatively and 6, 12, and 24 months postoperatively. The evaluation included a visual analog scale for pain, the Constant score, the simple shoulder test, and the Short Form-36. An additional 7 patients had similar surgery during the same period, but 4 were lost to follow-up, 2 required surgical revision, and 1 developed postoperative infection.<\/jats:p>\n                  <jats:p>Results: There were 3 Rockwood type III, 3 type IV, and 17 type V separations. Mean follow-up was 30.6 \u00b1 5.4 months (range, 24-40 months). The visual analog scale and Constant score showed significant improvements from preoperative 4.5 \u00b1 1.9 (range, 1-7) and 34.3 \u00b1 6.9 (range, 22-44) to postoperative 0.25 \u00b1 0.5 (range, 0-1) and 94.3 \u00b1 3.2 (range, 88-98) at 24 months, respectively. Postoperative radiographic AC joint alignment was unsatisfactory in 8 cases, either in the coronal, axillary, or both planes, with no different clinical outcome when compared with the remaining patients.<\/jats:p>\n                  <jats:p>Conclusion: Immediate anatomical reduction of an acute AC separation with flip-button devices provides satisfactory clinical results at intermediate-term follow-up. This technique should be performed by an experienced arthroscopist; tunnel and button placement are of utmost importance to avoid postoperative failure or loss of reduction.<\/jats:p>","DOI":"10.1177\/0363546509355645","type":"journal-article","created":{"date-parts":[[2010,5,4]],"date-time":"2010-05-04T22:11:37Z","timestamp":1273011097000},"page":"1179-1187","source":"Crossref","is-referenced-by-count":231,"title":["Arthroscopically Assisted 2-Bundle Anatomical Reduction of Acute Acromioclavicular Joint Separations"],"prefix":"10.1177","volume":"38","author":[{"given":"Gian M.","family":"Salzmann","sequence":"first","affiliation":[{"name":"Department of Orthopaedic and Trauma Surgery, University Medical Center, Albert-Ludwigs University Freiburg, Freiburg, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lars","family":"Walz","sequence":"additional","affiliation":[{"name":"Clinical Trial Unit, University Hospital Basel, Basel, Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Stefan","family":"Buchmann","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Sports Medicine, Klinikum rechts der Isar, Technical University of Munich, Munich, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Prapagorn","family":"Glabgly","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Sports Medicine, Klinikum rechts der Isar, Technical University of Munich, Munich, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Arne","family":"Venjakob","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Sports Medicine, Klinikum rechts der Isar, Technical University of Munich, Munich, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Andreas B.","family":"Imhoff","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Sports Medicine, Klinikum rechts der Isar, Technical University of Munich, Munich, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2010,5,4]]},"reference":[{"key":"bibr1-0363546509355645","unstructured":"Arthroscopic stabilization of acute acromioclavicular joint dislocation using the TightRope system: surgical technique. 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