{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,17]],"date-time":"2026-08-17T16:39:16Z","timestamp":1786984756780,"version":"build-2736575974"},"reference-count":55,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2021,9,24]],"date-time":"2021-09-24T00:00:00Z","timestamp":1632441600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2021,9,24]],"date-time":"2021-09-24T00:00:00Z","timestamp":1632441600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"},{"start":{"date-parts":[[2021,9,24]],"date-time":"2021-09-24T00:00:00Z","timestamp":1632441600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2021,9,24]],"date-time":"2021-09-24T00:00:00Z","timestamp":1632441600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"}],"content-domain":{"domain":["arthroscopyjournal.org","clinicalkey.com","clinicalkey.com.au","clinicalkey.es","clinicalkey.fr","clinicalkey.jp","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Arthroscopy"],"published-print":{"date-parts":[[2022,3]]},"abstract":"<jats:sec>\n                    <jats:title>Purpose<\/jats:title>\n                    <jats:p>To evaluate the outcomes of arthroscopic treatment of scaphoid nonunion using olecranon bone graft and screw fixation and to analyze the outcomes in accordance with variations in the chronicity, location, and severity of nonunion.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Between March 2012 and December 2020, patients with diagnoses of scaphoid delayed nonunion and nonunion with substantial bone resorption (Slade and Dodds grade IV\u2010VI) underwent arthroscopic\u2010assisted olecranon bone graft and screw fixation. Preoperative and postoperative measurements included the visual analog scale score for pain; range of motion; grip strength; the Modified Mayo Wrist Score; the Disabilities of the Arm, Shoulder and Hand (DASH) score; and the minimal clinically important difference for the DASH score. Union rate and duration were also evaluated. The outcomes between groups of patients with different conditions were analyzed.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Twenty\u2010two patients were included. The average follow\u2010up period was 32.5 months. The visual analog scale pain score, range of motion, grip strength, Modified Mayo Wrist Score, and DASH score were significantly improved after surgery (\n                      <jats:italic>P<\/jats:italic>\n                      &lt; .001). The minimal clinically important difference threshold for the DASH score was reached by 100% of patients. At final follow\u2010up, all patients had united scaphoid with no complications. The average time to union was 15.3 weeks. Group analysis showed significant improvements in mean grip strength between patients with delayed union (3\u20106 months) and those with chronic nonunion (&gt; 1 year) (17.75 kg vs 12.25 kg,\n                      <jats:italic>P<\/jats:italic>\n                      \u00a0= .032), between grade IV nonunion and grade V nonunion (14.86 kg vs 10.43 kg,\n                      <jats:italic>P<\/jats:italic>\n                      \u00a0= .035), and between grade V nonunion and grade VI nonunion (10.43 kg vs 15.63 kg,\n                      <jats:italic>P<\/jats:italic>\n                      \u00a0= .013). Patients with grade VI nonunion achieved union at 17.8 weeks postoperatively, a significantly longer period than that for patients with grade IV nonunion (11.4 weeks,\n                      <jats:italic>P<\/jats:italic>\n                      \u00a0= .014).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Arthroscopic treatment of scaphoid nonunion using olecranon bone graft and screw fixation provided satisfactory outcomes regardless of the chronicity, location, and severity of nonunion.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Level of Evidence<\/jats:title>\n                    <jats:p>Level IV, therapeutic case series.<\/jats:p>\n                  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