{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,18]],"date-time":"2026-03-18T12:17:04Z","timestamp":1773836224069,"version":"3.50.1"},"reference-count":19,"publisher":"Springer Science and Business Media LLC","issue":"2","license":[{"start":{"date-parts":[[2019,11,6]],"date-time":"2019-11-06T00:00:00Z","timestamp":1572998400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"},{"start":{"date-parts":[[2019,11,6]],"date-time":"2019-11-06T00:00:00Z","timestamp":1572998400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Arch Orthop Trauma Surg"],"published-print":{"date-parts":[[2020,2]]},"abstract":"<jats:title>Abstract<\/jats:title>\n<jats:sec>\n<jats:title>Introduction<\/jats:title>\n<jats:p>Instabilities of the thumb carpometacarpal (CMC) joint, caused by idiopathic ligamentous hyperlaxity, trauma or other conditions may lead to pain, functional impairment and eventually osteoarthritis. Several techniques have been described to enhance stability of the CMC 1. The aim of this study was to evaluate postoperative outcomes after CMC 1 joint stabilization using a soft-tissue procedure in patients with chronic instability.<\/jats:p>\n<\/jats:sec>\n<jats:sec>\n<jats:title>Materials and methods<\/jats:title>\n<jats:p>This study was designed as a retrospective study with a single follow-up visit after a minimum of 1 year postoperatively. All patients who underwent stabilization of the CMC 1 with an abductor pollicis longus (APL) tendon strip for chronic, habitual instability were re-assessed using clinical examination, dedicated outcome scores [Visual Analogue Scale (VAS); The Disability of the Arm, Shoulder and Hand (DASH) score; Nelson score; Kapandji opposition score], grip and pinch strength measurements, and radiographic examination.<\/jats:p>\n<\/jats:sec>\n<jats:sec>\n<jats:title>Results<\/jats:title>\n<jats:p>12 patients (15 operated thumbs) with a mean age at surgery of 23.2 (\u00b1\u20099.3) years were included after a mean follow-up period of 3.5 (\u00b1\u20091.3) years. The postoperative outcomes indicated excellent results, with a mean DASH score of 13.3 (\u00b1\u200911.3), VAS 1.1 at rest (and 2.8 during stress) and Nelson score of 87.7 (\u00b1\u200911.3). Postoperative grip, pinch strength and passive stability were not significantly different between operated and non-operated sides (<jats:italic>p<\/jats:italic>\u2009=\u20090.852; <jats:italic>p<\/jats:italic>\u2009=\u20090.923 and <jats:italic>p<\/jats:italic>\u2009=\u20090.428, respectively). We observed one case of recurrent instability besides no other complications. However, patients with trapezium hypoplasia (5 of 12) were more prone to signs of radiographic instability during stress testing.<\/jats:p>\n<\/jats:sec>\n<jats:sec>\n<jats:title>Conclusions<\/jats:title>\n<jats:p>Thumb\u00a0carpometacarpal stabilization with an APL tendon strip yielded excellent clinical outcomes and low morbidity in the mid-term. However, long-term follow-up is needed to assess specifically whether patients with trapezium hypoplasia may be more prone to clinical symptom recurrence than those with normal anatomy.<\/jats:p>\n<\/jats:sec>\n<jats:sec>\n<jats:title>Level of evidence<\/jats:title>\n<jats:p>Level IV<\/jats:p>\n<\/jats:sec>","DOI":"10.1007\/s00402-019-03302-8","type":"journal-article","created":{"date-parts":[[2019,11,6]],"date-time":"2019-11-06T10:03:31Z","timestamp":1573034611000},"page":"275-282","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":19,"title":["Outcomes after thumb carpometacarpal joint stabilization with an abductor pollicis longus tendon strip for the treatment of chronic instability"],"prefix":"10.1007","volume":"140","author":[{"given":"Alexandra","family":"Stauffer","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yvonne","family":"Schwarz","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Marion","family":"Uranyi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Florian","family":"Schachinger","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Werner","family":"Girsch","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rudolf","family":"Ganger","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3250-2593","authenticated-orcid":false,"given":"Sebastian","family":"Farr","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2019,11,6]]},"reference":[{"key":"3302_CR1","doi-asserted-by":"publisher","first-page":"1196","DOI":"10.1016\/j.joca.2018.04.009","volume":"26","author":"FPB Kroon","year":"2018","unstructured":"Kroon FPB, van Beest S, Ermurat S et al (2018) In thumb base osteoarthritis structural damage is more strongly associated with pain than synovitis. 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(Memphis, TN) and OrthoPediatrics Corp. (Warsaw, IN)\u00a0outside of the submitted work. Sebastian Farr, M.D. has received honoraria from Orthofix SRL (Verona, IT)\u00a0outside of the submitted work. All other authors declared no potential conflicts of interest with respect to the research, authorship, and\/or publication of this article.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Conflict of interest"}},{"value":"All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional research committee (Vinzenzgruppe) and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethical approval"}}]}}