{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,19]],"date-time":"2026-09-19T19:02:20Z","timestamp":1789844540531,"version":"4.0.1"},"reference-count":26,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2025,10,9]],"date-time":"2025-10-09T00:00:00Z","timestamp":1759968000000},"content-version":"vor","delay-in-days":8,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2025,10,1]],"date-time":"2025-10-01T00:00:00Z","timestamp":1759276800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["esskajournals.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J. exp. orthop."],"published-print":{"date-parts":[[2025,10]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Purpose<\/jats:title>\n                    <jats:p>Peripheral knee laxity is commonly assessed through clinical examination and stress radiographs, both before and after total knee arthroplasty (TKA). This study aimed to evaluate the efficacy of ultrasound in assessing peripheral knee laxity compared to radiographic stress imaging.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>This retrospective bicentric study included 68 patients (mean age: 71.2\u2009\u00b1\u20095.8 years; body mass index [BMI]: 28.7\u2009\u00b1\u20097), with 32 osteoarthritic knees (47.1%) and 36 post\u2010TKA knees (52.9%). Laxity was measured in millimetres using manual stress manoeuvres applied during both ultrasound and radiographic examinations at 0\u00b0 and 30\u00b0 of flexion, under varus and valgus conditions.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Under ultrasound, the unstressed medial joint space measured 10.6\u2009\u00b1\u20094.5\u2009mm at 0\u00b0 and 10.9\u2009\u00b1\u20094.2\u2009mm at 30\u00b0; under valgus stress, it increased to 13.0\u2009\u00b1\u20094.9 and 14.0\u2009\u00b1\u20095.1\u2009mm, respectively. The unstressed lateral joint space measured 11.8\u2009\u00b1\u20094.5\u2009mm at 0\u00b0 and 11.6\u2009\u00b1\u20094.0\u2009mm at 30\u00b0, increasing to 14.8\u2009\u00b1\u20095.1 and 15.5\u2009\u00b1\u20095.9\u2009mm under varus stress. No statistically significant differences were observed between ultrasound and radiographic measurements of lateral laxity (2.9\u2009\u00b1\u20092.3 vs. 2.96\u2009\u00b1\u20091.74\u2009mm, \u0394\u2009=\u20090.04\u2009mm,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.91) or medial laxity (2.35\u2009\u00b1\u20092.16 vs. 2.44\u2009\u00b1\u20091.55\u2009mm, \u0394\u2009=\u20090.1\u2009mm,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.78). Correlation coefficients between the modalities ranged from 0.5 to 0.7 (\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.001). At 30\u00b0 of flexion, lateral laxity was significantly greater in the TKA group (4.9 vs. 2.8\u2009mm,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.01).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Stress ultrasound is a reliable tool for analysing medial and lateral peripheral knee laxities in both osteoarthritic knees and after total knee arthroplasty. While it could requires trained personnel, this technique represents a viable alternative to conventional stress radiographs.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Level of Evidence<\/jats:title>\n                    <jats:p>Level II.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/jeo2.70461","type":"journal-article","created":{"date-parts":[[2025,10,9]],"date-time":"2025-10-09T13:22:39Z","timestamp":1760016159000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Ultrasound can assess soft tissue laxity in osteoarthritic knees and after total knee arthroplasty"],"prefix":"10.1002","volume":"12","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1678-7229","authenticated-orcid":false,"given":"Ammar","family":"Ghabi","sequence":"first","affiliation":[{"name":"Orthopaedic Surgery and Traumatology Department Military Hospital Laveran Marseille France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0377-9940","authenticated-orcid":false,"given":"Bernard de","family":"Geofroy","sequence":"additional","affiliation":[{"name":"Orthopaedic Surgery and Traumatology Department Military Hospital Laveran Marseille France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0007-0262-0106","authenticated-orcid":false,"given":"Lilia","family":"Gharbi","sequence":"additional","affiliation":[{"name":"University Institute of Locomotor and Sports (iULS), Pasteur II Hospital Nice France"},{"name":"ICARE Unit, Inserm U1091 C\u00f4te d'Azur University Nice France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christopher","family":"Perlak","sequence":"additional","affiliation":[{"name":"Radiology Department Military Hospital Laveran Marseille France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Robin","family":"Hattenberger","sequence":"additional","affiliation":[{"name":"University Institute of Locomotor and Sports (iULS), Pasteur II Hospital Nice France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"J\u00e9r\u00f4me","family":"Desmolliens","sequence":"additional","affiliation":[{"name":"University Institute of Locomotor and Sports (iULS), Pasteur II Hospital Nice France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4833-0706","authenticated-orcid":false,"given":"Jean\u2010Fran\u00e7ois","family":"Gonzalez","sequence":"additional","affiliation":[{"name":"University Institute of Locomotor and Sports (iULS), Pasteur II Hospital Nice France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8279-880X","authenticated-orcid":false,"given":"Gr\u00e9goire","family":"Micicoi","sequence":"additional","affiliation":[{"name":"University Institute of Locomotor and Sports (iULS), Pasteur II Hospital Nice France"},{"name":"ICARE Unit, Inserm U1091 C\u00f4te d'Azur University Nice 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