{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,8]],"date-time":"2026-05-08T01:03:36Z","timestamp":1778202216149,"version":"3.51.4"},"reference-count":17,"publisher":"Springer Science and Business Media LLC","issue":"3","license":[{"start":{"date-parts":[[2020,5,31]],"date-time":"2020-05-31T00:00:00Z","timestamp":1590883200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"},{"start":{"date-parts":[[2020,5,31]],"date-time":"2020-05-31T00:00:00Z","timestamp":1590883200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"funder":[{"name":"Skane County Council"},{"name":"Gorthon Foundation"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["J Ultrasound"],"published-print":{"date-parts":[[2021,9]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Purpose<\/jats:title><jats:p>The aim of the study was to investigate the association between the initial grade of obstetrical anal sphincter injury (OASIS), and Wexner score parameters, with ultrasonographic findings by endoanal ultrasound (EAUS, golden standard) and transperineal ultrasound (TPUS) 6\u00a0months post-partum.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Fifty-nine women after primary repair of OASIS were included at Helsingborg Hospital, Sweden, 2016\u20132017. Six months post-partum the women filled in a questionnaire regarding symptoms of anal incontinence by the Wexner score and were scanned with EAUS and TPUS (resting state and contracting state) for classification of the residual defect by a modified Starck score.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Correlations were found between the OASIS grade and residual defects; length (<jats:italic>r<\/jats:italic><jats:sub>s<\/jats:sub>\u2009=\u20090.41,<jats:italic>P<\/jats:italic>\u2009=\u20090.003), depth (<jats:italic>r<\/jats:italic><jats:sub>s<\/jats:sub>\u2009=\u20090.38,<jats:italic>P<\/jats:italic>\u2009=\u20090.006) and angle (<jats:italic>r<\/jats:italic><jats:sub>s<\/jats:sub>\u2009=\u20090.40,<jats:italic>P<\/jats:italic>\u2009=\u20090.004) of the external anal sphincter (EAS) measured with TPUS in resting state. Using EAUS, correlation between OASIS grade and EAS depth (<jats:italic>r<\/jats:italic><jats:sub>s<\/jats:sub>\u2009=\u20090.35,<jats:italic>P<\/jats:italic>\u2009=\u20090.007) and angle (<jats:italic>r<\/jats:italic><jats:sub>s<\/jats:sub>\u2009=\u20090.37,<jats:italic>P<\/jats:italic>\u2009=\u20090.004) were similar, but there was no correlation with length (<jats:italic>r<\/jats:italic><jats:sub>s<\/jats:sub>\u2009=\u20090.20,<jats:italic>P<\/jats:italic>\u2009=\u20090.14). Between incontinence to gas and the angle of the residual defect in the IAS using TPUS in resting state, correlation was moderate (<jats:italic>r<\/jats:italic><jats:sub>s<\/jats:sub>\u2009=\u20090.42,<jats:italic>P<\/jats:italic>\u2009=\u20090.003). Regarding incontinence to liquid stool, measurements by TPUS in resting state of EAS residual defect depth (<jats:italic>r<\/jats:italic><jats:sub>s<\/jats:sub>\u2009=\u20090.46,<jats:italic>P<\/jats:italic>\u2009&lt;\u20090.001) and angle (<jats:italic>r<\/jats:italic><jats:sub>s<\/jats:sub>\u2009=\u20090.44,<jats:italic>P<\/jats:italic>\u2009=\u20090.001) also correlated moderately. Both corresponding correlations using EAUS were weaker.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Defects measured with EAUS and TPUS six months post-partum correlated to initial OASIS grade and symptoms of anal incontinence. Specific symptoms correlated with specific anatomical defects, and TPUS was not an inferior method to EAUS.<\/jats:p><\/jats:sec>","DOI":"10.1007\/s40477-020-00485-4","type":"journal-article","created":{"date-parts":[[2020,5,31]],"date-time":"2020-05-31T12:02:33Z","timestamp":1590926553000},"page":"261-267","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":23,"title":["Correlations of obstetric anal sphincter injury (OASIS) grade, specific symptoms of anal incontinence, and measurements by endoanal and transperineal ultrasound"],"prefix":"10.1007","volume":"24","author":[{"given":"Claes","family":"Ignell","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ann-Kristin","family":"\u00d6rn\u00f6","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5131-6297","authenticated-orcid":false,"given":"Andrea","family":"Stuart","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2020,5,31]]},"reference":[{"key":"485_CR1","doi-asserted-by":"publisher","first-page":"290","DOI":"10.1097\/01.AOG.0000533296.62151.c7","volume":"131","author":"VG Woo","year":"2018","unstructured":"Woo VG, Hung YY, Chen HC, Ritterman Weintraub ML (2018) Risk factors for the development of obstetric anal sphincter injuries in modern obstetric practice. 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The ethics committee of Lund University, Sweden (reference number 2009\/15) approved the study.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethics approval"}},{"value":"Written informed consent was obtained from the patients.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent to participate"}},{"value":"The authors affirm that human research participants provided informed consent to publish images","order":5,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent to publish"}},{"value":"Analyses in IBM SPSS Statistics were performed without syntaxes, outputs are available by request.","order":6,"name":"Ethics","group":{"name":"EthicsHeading","label":"Code availability"}}]}}