{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,31]],"date-time":"2026-07-31T16:26:17Z","timestamp":1785515177682,"version":"3.56.0"},"reference-count":0,"publisher":"AVES YAYINCILIK A.\u015e.","issue":"2","license":[{"start":{"date-parts":[[2025,4,29]],"date-time":"2025-04-29T00:00:00Z","timestamp":1745884800000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["AOTT"],"abstract":"<jats:p>Objective: This study aimed to compare the biomechanical characteristics of conventional transosseous equivalent (TOE) techniqueswith those of the novel free independent double-row medial fixation method, using rigid polyurethane (PU) foam blocks to simulateosteoporotic humerus bone.\r\nMethods: In this biomechanical study, 4 groups were tested using rigid PU foam blocks with osteoporotic properties and bovine infraspinatus tendons to simulate the rotator cu!. Groups 1 and 2 employed conventional TOE techniques: medial row knotted repair and knotless repair, respectively. Groups 3 and 4 utilized the \u201cfree independent double-row medial fixation method,\u201d di!ering in the order of suture tying. Several biomechanical characteristic and pressure parameters were measured.\r\nResults: Groups 3 (0.16 \u00b1 0.04 MPa) and 4 (0.17 \u00b1 0.05 MPa) achieved significantly higher initial contact pressure compared to standard TOE techniques (P=.039). While contact area (Group 3: 102.4 \u00b1 55.0 mm\", Group 4: 110.4 \u00b1 37.2 mm\") and ultimate failure force (Group 3: 212.0 \u00b1 26.5 N, Group 4: 214.7 \u00b1 30.2 N) were relatively higher, the di!erences were not statistically significant (P=.135 and P=.3, respectively). The overall failure types included medial anchor pullout (40%) and suture\/tendon stripping (32.5%), with no significant di!erences among groups (P=.260).\r\nConclusion: With superior contact pressure and comparable ultimate failure and contact area measurements, the novel independent double-row medial fixation technique may be a viable alternative to conventional TOE techniques for enhancing medial row stability in osteoporotic conditions.\r\n\u00a0\r\nCite this article as: Eskara H, Keskin A, Tatar Y, Gercek N, Imren Y, Semih Dedeoglu S. Biomechanical comparison of rotator cu! repair techniques in osteoporoticconditions: testing a novel technique. Acta Orthop Traumatol Turc., 2025;59(2):79-85.<\/jats:p>","DOI":"10.5152\/j.aott.2025.24077","type":"journal-article","created":{"date-parts":[[2025,5,7]],"date-time":"2025-05-07T09:09:57Z","timestamp":1746608997000},"page":"79-85","source":"Crossref","is-referenced-by-count":1,"title":["Biomechanical comparison of rotator cuff repair techniques in osteoporotic conditions: testing a novel technique"],"prefix":"10.5152","volume":"59","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8867-9078","authenticated-orcid":false,"given":"Hakan","family":"Eskara","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8627-5651","authenticated-orcid":false,"given":"Ahmet","family":"Keskin","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6815-301X","authenticated-orcid":false,"given":"Yasar","family":"Tatar","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1024-4394","authenticated-orcid":false,"given":"Nejla","family":"Gercek","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8056-6156","authenticated-orcid":false,"given":"Yunus","family":"Imren","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7441-5028","authenticated-orcid":false,"given":"Suleyman Semih","family":"Dedeoglu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"3111","published-online":{"date-parts":[[2025,4,29]]},"container-title":["Acta Orthopaedica et Traumatologica Turcica"],"original-title":[],"link":[{"URL":"https:\/\/aott.org.tr\/index.php\/pub\/article\/download\/3979\/3920","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/aott.org.tr\/index.php\/pub\/article\/download\/3979\/3920","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,11,18]],"date-time":"2025-11-18T09:12:20Z","timestamp":1763457140000},"score":1,"resource":{"primary":{"URL":"https:\/\/aott.org.tr\/index.php\/pub\/article\/view\/3979"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2025,4,29]]},"references-count":0,"journal-issue":{"issue":"2","published-online":{"date-parts":[[2025,4,30]]}},"URL":"https:\/\/doi.org\/10.5152\/j.aott.2025.24077","relation":{},"ISSN":["2589-1294","1017-995X"],"issn-type":[{"value":"2589-1294","type":"electronic"},{"value":"1017-995X","type":"print"}],"subject":[],"published":{"date-parts":[[2025,4,29]]}}}