{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,4]],"date-time":"2026-07-04T08:18:37Z","timestamp":1783153117003,"version":"3.54.6"},"reference-count":27,"publisher":"SAGE Publications","issue":"7","license":[{"start":{"date-parts":[[2025,7,11]],"date-time":"2025-07-11T00:00:00Z","timestamp":1752192000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"funder":[{"name":"Piedmont Orthopaedic Foundation","award":["263300"],"award-info":[{"award-number":["263300"]}]}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Hand (New York, N,Y.)"],"published-print":{"date-parts":[[2026,8]]},"abstract":"<jats:sec>\n                    <jats:title>Background:<\/jats:title>\n                    <jats:p>Trapeziectomy with suture button suspensionplasty (SBS) is a common treatment for thumb carpometacarpal (CMC) osteoarthritis. This study aimed to evaluate the effect of bone tunnel configuration and suture count on the construct stability.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods:<\/jats:title>\n                    <jats:p>\n                      Twelve matched specimens underwent trapeziectomy and randomization to either a 2-strand 1-tunnel (single SBS) or divergent 4-strand 2-tunnel suture button (crossed dual SBS) construct. Mechanical stiffness was measured using material testing machine with a semiconstrained axial load over 5-mm displacement. Trapezial space was measured under no load and in a light and heavy physiologic pinch grip models. Subsequently, specimens were randomized to undergo single SBS or divergent 2-strand 2-tunnel suture (crossed suture) constructs, and loaded pinch testing was performed. Primary outcomes were analyzed using matched-pair\n                      <jats:italic toggle=\"yes\">t<\/jats:italic>\n                      -tests.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>\n                      The crossed dual SBS construct showed significantly higher stiffness compared to the single SBS construct in elastic deformation (19.9 vs 15.5 N\/mm,\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = .010) and maintained trapezial height better in both light (82% vs 71%,\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = .021) and heavy (73% vs 46%, p = .004) pinch grips. The crossed suture technique also preserved trapezial height better than the single SBS construct in light (79% vs 64%,\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = 0.021) and heavy (60% vs 44%,\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = 0.039) pinch grips.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions:<\/jats:title>\n                    <jats:p>In the immediate postoperative period, a crossed dual SBS construct was stiffer to axial load and more stable in pinch grip compared to a single SBS construct. The novel crossed suture construct better preserved trapezial height then the singe SBS, suggesting that the crossed configuration may be more relevant than suture count in postoperative stability.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/15589447251350175","type":"journal-article","created":{"date-parts":[[2025,7,11]],"date-time":"2025-07-11T09:18:49Z","timestamp":1752225529000},"page":"1110-1119","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["Biomechanical Comparison of 1- and 2-Tunnel Suture Suspensionplasty Constructs for Basilar Thumb Arthritis"],"prefix":"10.1177","volume":"21","author":[{"given":"Daniel J.","family":"Lorenzana","sequence":"first","affiliation":[{"name":"Duke University Medical Center, Durham, NC, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bijan","family":"Abar","sequence":"additional","affiliation":[{"name":"Department of Mechanical Engineering and Materials Science, Duke University, Durham, NC, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Eliseo V.","family":"DiPrinzio","sequence":"additional","affiliation":[{"name":"Duke University Medical Center, Durham, NC, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Elijah","family":"Vail","sequence":"additional","affiliation":[{"name":"Duke University Medical Center, Durham, NC, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4817-5574","authenticated-orcid":false,"given":"Jessica M.","family":"Welch","sequence":"additional","affiliation":[{"name":"Duke University Medical Center, Durham, NC, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christopher S.","family":"Klifto","sequence":"additional","affiliation":[{"name":"Duke University Medical Center, Durham, NC, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"David 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