{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,12]],"date-time":"2026-03-12T21:27:19Z","timestamp":1773350839719,"version":"3.50.1"},"reference-count":50,"publisher":"Georg Thieme Verlag KG","issue":"01","license":[{"start":{"date-parts":[[2021,9,28]],"date-time":"2021-09-28T00:00:00Z","timestamp":1632787200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J Wrist Surg"],"published-print":{"date-parts":[[2023,2]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>\n          Background\u2003Even though the scapholunate interosseous ligament is the most common wrist ligament injury, its treatment remains a challenge for hand surgeons. We report on a surgical treatment (Dynadesis) for dynamic scaphoid instability (DSI) with a 20-year follow-up period.<\/jats:p><jats:p>\n          Description of Technique\u2003Dynadesis utilizes antagonist forearm muscles in order to synergistically provide dynamic stabilization to the scaphoid when the wrist is loaded. It is a tendon-to-tendon transfer with the following two components: 1) Dorsal\u2014The extensor carpi radialis longus (ECRL) is passed through a hole in the reduced, distal scaphoid, providing the scaphoid with an independent extension force. 2) Volar\u2014A dynamic checkrein is created by tension-locking the ECRL tendon around the flexor carpi radialis (FCR) tendon. The portion of the FCR distal to the scaphoid tethers and tightens with contracture of the ECRL and FCR muscles.<\/jats:p><jats:p>\n          Patients and Methods\u2003Twenty patients (21 wrists) were treated with Dynadesis and reevaluated 20 years later (range: 20\u201327 years).<\/jats:p><jats:p>\n          Results\u2003Average grip strength improved by 8\u2009kg. The average wrist flexion-extension arc decreased by 3\u00b0. Wrist X-rays showed no radiocarpal arthritis. On the Mayo wrist score, 81% reported excellent to good results (average: 89). Pain levels improved by 90%, with 76% of patients reporting no pain. All patients (100%) were satisfied with their results and would recommend the procedure.<\/jats:p><jats:p>\n          Conclusions\u2003Dynadesis is specifically designed for the treatment of DSI. It avoids the eventual complication of osteoarthritis and does not sacrifice wrist motion. A predictable and satisfactory long-term result is obtainable with correct patient selection based on clinical staging and arthroscopic findings.<\/jats:p>","DOI":"10.1055\/s-0041-1735304","type":"journal-article","created":{"date-parts":[[2021,9,28]],"date-time":"2021-09-28T22:55:53Z","timestamp":1632869753000},"page":"073-080","source":"Crossref","is-referenced-by-count":3,"title":["Dynadesis for Treatment of Dynamic Scaphoid Instability with 20-Year Results"],"prefix":"10.1055","volume":"12","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7997-3734","authenticated-orcid":false,"given":"Houshang","family":"Seradge","sequence":"additional","affiliation":[{"name":"Seradge Medical, Oklahoma City, Oklahoma"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Winfred","family":"Parker","sequence":"additional","affiliation":[{"name":"Seradge Medical, Oklahoma City, Oklahoma"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3606-7533","authenticated-orcid":false,"given":"Carrie","family":"Seradge","sequence":"additional","affiliation":[{"name":"Seradge Medical, Oklahoma City, Oklahoma"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7786-450X","authenticated-orcid":false,"given":"Cyrus","family":"Steppe","sequence":"additional","affiliation":[{"name":"Seradge Medical, Oklahoma City, Oklahoma"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ashley","family":"McKenzie","sequence":"additional","affiliation":[{"name":"Seradge Medical, Oklahoma City, Oklahoma"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"194","published-online":{"date-parts":[[2021,9,28]]},"reference":[{"issue":"01","key":"ref1","doi-asserted-by":"crossref","first-page":"62","DOI":"10.1016\/0266-7681(93)90199-P","article-title":"Rotary subluxation of the scaphoid: a spectrum of instability","volume":"18","author":"H Watson","year":"1993","journal-title":"J Hand Surg [Br]"},{"issue":"11","key":"ref2","doi-asserted-by":"crossref","first-page":"1879","DOI":"10.1016\/j.jhsa.2010.07.015","article-title":"Predynamic scapholunate instability","volume":"35","author":"G SM Dyer","year":"2010","journal-title":"J Hand Surg Am"},{"issue":"01","key":"ref3","doi-asserted-by":"crossref","first-page":"125","DOI":"10.1016\/j.jhsa.2005.10.011","article-title":"Three-ligament tenodesis for the treatment of scapholunate dissociation: indications and surgical technique","volume":"31","author":"M Garcia-Elias","year":"2006","journal-title":"J Hand Surg Am"},{"issue":"02","key":"ref4","doi-asserted-by":"crossref","first-page":"146","DOI":"10.1007\/s11552-013-9499-4","article-title":"Scapholunate ligament injuries: a review of current concepts","volume":"8","author":"I P Pappou","year":"2013","journal-title":"Hand (N Y)"},{"issue":"01","key":"ref5","doi-asserted-by":"crossref","first-page":"45","DOI":"10.1053\/jssh.2001.21779","article-title":"Scapholunate instability","volume":"1","author":"S W Wolfe","year":"2001","journal-title":"J Am Soc Surg Hand"},{"issue":"06","key":"ref6","doi-asserted-by":"crossref","first-page":"1253","DOI":"10.1097\/01.TA.0000075520.11052.64","article-title":"Treatment of dynamic scaphoid instability","volume":"56","author":"H Seradge","year":"2004","journal-title":"J Trauma"},{"issue":"06","key":"ref7","doi-asserted-by":"crossref","first-page":"978","DOI":"10.1053\/jhsu.2002.36523","article-title":"Dorsal intercarpal ligament capsulodesis for chronic, static scapholunate dissociation: clinical results","volume":"27","author":"R M Szabo","year":"2002","journal-title":"J Hand Surg Am"},{"issue":"03","key":"ref8","doi-asserted-by":"crossref","first-page":"408","DOI":"10.1016\/0363-5023(90)90051-R","article-title":"Scapho-trapezio-trapezoid arthrodesis for treatment of chronic static and dynamic scapho-lunate instability: a 10-year perspective on pitfalls and complications","volume":"15","author":"W B Kleinman","year":"1990","journal-title":"J Hand Surg Am"},{"issue":"01","key":"ref9","doi-asserted-by":"crossref","first-page":"16","DOI":"10.1016\/j.jhsa.2004.07.021","article-title":"Capsulodesis for the treatment of chronic scapholunate instability","volume":"30","author":"S L Moran","year":"2005","journal-title":"J Hand Surg Am"},{"issue":"01","key":"ref10","first-page":"81","article-title":"Capsulodesis in reconstructive hand surgery. 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