{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,27]],"date-time":"2026-09-27T19:59:56Z","timestamp":1790539196247,"version":"4.1.0"},"reference-count":46,"publisher":"Wiley","issue":"10","license":[{"start":{"date-parts":[[2022,1,5]],"date-time":"2022-01-05T00:00:00Z","timestamp":1641340800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/100008542","name":"Arthroscopy Association of North America","doi-asserted-by":"publisher","award":["ID #2018 D 009573"],"award-info":[{"award-number":["ID #2018 D 009573"]}],"id":[{"id":"10.13039\/100008542","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Journal Orthopaedic Research"],"published-print":{"date-parts":[[2022,10]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Portable ultrasonography is increasingly used to evaluate ankle stability at the point of care. This study aims to determine the correlation of portable\u2010ultrasonographic and fluoroscopic measurements of ankle laxity in a cadaveric ligament transection model of ankle ligament injury. We hypothesize that there is an association between portable\u2010ultrasonographic and fluoroscopic measurements when performing stress evaluation of lateral ankle instability. Eight fresh\u2010frozen below\u2010knee amputated cadaveric specimens with intact proximal fibula underwent ultrasound and fluoroscopic evaluation of the ankle during anterior drawer and talar tilt testing. The assessment was first performed with all lateral ankle ligaments intact and thereafter with sequential transection of the anterior talofibular ligament, calcaneofibular ligament, and posterior talofibular ligament. The anterior drawer test was performed with both 50N and 80N of force, and talar tilt test was performed with 1.7\u2009Nm of torque. Correlations between (1) portable\u2010ultrasonographic and fluoroscopic measurements and (2) sequential transection of lateral ankle ligaments were evaluated using Spearman's rank correlations. The same statistical test was used to investigate the correlation between the ultrasonographic and the fluoroscopic measurements. The inter\u2010 and intra\u2010observer agreement was assessed using the intraclass correlation coefficient through a two\u2010way mixed\u2010effects model with absolute agreement. Portable\u2010ultrasonographic and fluoroscopic measurements increased as additional ligaments of the lateral ankle were transected (Spearman's rank correlation ranged from 0.74 to 0.81, 0.74 to 0.81, <jats:italic>p<\/jats:italic>\u2010values\u2009&lt;\u20090.001). Strong positive correlations between ultrasonographic and fluoroscopic measurements were found during the lateral ankle stability evaluation using anterior drawer and talar tilt testing (Spearman's rank correlation ranged from 0.81 to 0.85, 0.81 to 0.85, <jats:italic>p<\/jats:italic>\u2010values\u2009&lt;\u20090.001). Inter\u2010rater (0.99, 95% CI: 0.98\u20130.99) and intra\u2010rater reliability (0.97, 95% CI: 0.95\u20130.99) for the ultrasonographic measurements were substantial. In conclusion, there was a strong correlation found between ultrasonographic and fluoroscopic values measured during simulated anterior drawer and talar tilt test in a cadaveric ligament transection model. In this model, the portable\u2010ultrasonographic measurement was found to be reliable for repeated measurements of the talar translation and the lateral clear space distance. Based on these data, ultrasonography is likely to become a valuable point of care diagnostic tool due to its ability to readily and dynamically evaluate suspected lateral ankle instability. Clinical Significance: The use of dynamic stress ultrasound to assess the anterior translation of the talus and the lateral clear space distance appears to be a reliable and repeatable technique to evaluate lateral ankle stability with a radiation\u2010free, noninvasive, and low\u2010cost manner.<\/jats:p>","DOI":"10.1002\/jor.25256","type":"journal-article","created":{"date-parts":[[2022,1,5]],"date-time":"2022-01-05T10:18:50Z","timestamp":1641377930000},"page":"2421-2429","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":18,"title":["Use of portable ultrasonography for the diagnosis of lateral ankle instability"],"prefix":"10.1002","volume":"40","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6543-2371","authenticated-orcid":false,"given":"Jirawat","family":"Saengsin","sequence":"first","affiliation":[{"name":"Foot and Ankle Research and Innovation Lab (FARIL) Massachusetts General Hospital, Harvard Medical School Boston Massachusetts USA"},{"name":"Department of Orthopaedic Surgery, Faculty of Medicine Chiang Mai University Chiang Mai Thailand"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rohan","family":"Bhimani","sequence":"additional","affiliation":[{"name":"Foot and Ankle Research and Innovation Lab (FARIL) Massachusetts General Hospital, Harvard Medical School Boston Massachusetts USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2259-1019","authenticated-orcid":false,"given":"Go","family":"Sato","sequence":"additional","affiliation":[{"name":"Foot and Ankle Research and Innovation Lab (FARIL) Massachusetts General Hospital, Harvard Medical School Boston Massachusetts USA"},{"name":"Department of Orthopaedic Surgery Asahikawa Medical University Asahikawa Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8116-9948","authenticated-orcid":false,"given":"Noortje","family":"C. Hagemeijer","sequence":"additional","affiliation":[{"name":"Foot and Ankle Research and Innovation Lab (FARIL) Massachusetts General Hospital, Harvard Medical School Boston Massachusetts USA"},{"name":"Department of Orthopaedic Surgery, Academic Medical Center University of Amsterdam, Amsterdam Movement Sciences Amsterdam The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Karina","family":"Mirochnik","sequence":"additional","affiliation":[{"name":"Foot and Ankle Research and Innovation Lab (FARIL) Massachusetts General Hospital, Harvard Medical School Boston Massachusetts USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bart","family":"Lubberts","sequence":"additional","affiliation":[{"name":"Foot and Ankle Research and Innovation Lab (FARIL) Massachusetts General Hospital, Harvard Medical School Boston Massachusetts USA"},{"name":"Foot &amp; Ankle Service, Department of Orthopaedic Surgery Massachusetts General Hospital Boston Massachusetts USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gregory","family":"R. Waryasz","sequence":"additional","affiliation":[{"name":"Foot and Ankle Research and Innovation Lab (FARIL) Massachusetts General Hospital, Harvard Medical School Boston Massachusetts USA"},{"name":"Foot &amp; Ankle Service, Department of Orthopaedic Surgery Massachusetts General Hospital Boston Massachusetts USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christopher","family":"W. 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