{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,3]],"date-time":"2026-03-03T05:42:31Z","timestamp":1772516551620,"version":"3.50.1"},"reference-count":21,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2017,11,24]],"date-time":"2017-11-24T00:00:00Z","timestamp":1511481600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J of Ultrasound Medicine"],"published-print":{"date-parts":[[2018,6]]},"abstract":"<jats:sec><jats:title>Objectives<\/jats:title><jats:p>To assess visibility of the acetabular cup in total hip replacement and to determine the value of direct and indirect signs of iliopsoas impingement syndrome with ultrasound.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Ultrasound examinations were performed by a single operator in 17 patients with iliopsoas impingement syndrome and 48 control patients. Cup visibility, contact between the cup and psoas tendon, and the presence of indirect signs of iliopsoas impingement syndrome were investigated in all patients. When the acetabular cup was visible, its size and position in relation to the psoas tendon were recorded.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Anterior cup visibility (<jats:italic>P<\/jats:italic>\u2009=\u2009.03), contact with the psoas tendon (<jats:italic>P<\/jats:italic>\u2009&lt;\u2009.001), psoas tendinopathy (<jats:italic>P<\/jats:italic>\u2009=\u2009.02), and iliopsoas bursitis (<jats:italic>P<\/jats:italic>\u2009&lt;\u2009.001) were significantly associated with iliopsoas impingement syndrome, the latter reported with specificity of 100%. In the sagittal plane at the level of the psoas tendon, a maximum sagittal length of greater than 5\u2009mm and a posteroanterior cup shift of 3 mm or greater yielded respective sensitivities of 82% and 59% and specificities of 81% and 100%.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>When iliopsoas impingement syndrome is clinically suspected, the presence of iliopsoas bursitis or a posteroanterior cup shift of greater than 3\u2009mm under the psoas tendon serve to confirm the diagnosis. In the absence of these conditions, a therapeutic test may be necessary because of the incomplete, albeit high, specificity of other signs.<\/jats:p><\/jats:sec>","DOI":"10.1002\/jum.14484","type":"journal-article","created":{"date-parts":[[2017,11,24]],"date-time":"2017-11-24T07:08:58Z","timestamp":1511507338000},"page":"1439-1446","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Ultrasound in Total Hip Replacement: Value of Anterior Acetabular Cup Visibility and Contact With the Iliopsoas Tendon"],"prefix":"10.1002","volume":"37","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3605-1793","authenticated-orcid":false,"given":"Rapha\u00ebl","family":"Guillin","sequence":"first","affiliation":[{"name":"Department of Musculoskeletal Imaging University Hospital, H\u00f4pital Sud Rennes 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Rennes Rennes France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jean\u2010Christophe","family":"Lambotte","sequence":"additional","affiliation":[{"name":"Department of Orthopedic Surgery University Hospital of Rennes Rennes France"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2017,11,24]]},"reference":[{"key":"e_1_2_6_2_1","doi-asserted-by":"publisher","DOI":"10.2105\/AJPH.86.1.70"},{"key":"e_1_2_6_3_1","doi-asserted-by":"publisher","DOI":"10.2106\/00004623-200301000-00005"},{"key":"e_1_2_6_4_1","first-page":"405","article-title":"Failures in total hip replacement: a long\u2010time follow\u2010up","volume":"52","author":"Hedeboe J","year":"1986","journal-title":"Acta Orthop Belg"},{"key":"e_1_2_6_5_1","first-page":"815","article-title":"Anterior iliopsoas impingement after total hip arthroplasty: diagnosis and conservative treatment in 9 cases [in French]","volume":"87","author":"Eddine 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