{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,9,9]],"date-time":"2025-09-09T22:31:24Z","timestamp":1757457084775,"version":"3.37.3"},"reference-count":22,"publisher":"Wiley","issue":"12","license":[{"start":{"date-parts":[[2017,6,26]],"date-time":"2017-06-26T00:00:00Z","timestamp":1498435200000},"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":[[2017,12]]},"abstract":"<jats:sec><jats:title>Objectives<\/jats:title><jats:p>To evaluate anal sphincter abnormalities detected by endoanal ultrasound in obstructed defecation due to rectocele and rectal intussusception.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>The retrospective analysis includes 45 patients with obstructed defecation syndrome due to rectocele and\/or rectal intussusception with or without fecal incontinence, and submitted to endoanal ultrasound.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Ninety\u2010three percent (n\u2009=\u200942) were women (mean age of 63\u2009\u00b1\u200912 years), and 47% (n\u2009=\u200921) of the patients had fecal incontinence. In total, 29% (n\u2009=\u200913) had a previous anorectal surgery, and 93% (n\u2009=\u200939) of the women had a previous vaginal delivery. An isolated rectal intussusception was diagnosed in 20% (n\u2009=\u20099) of the patients, an isolated rectocele in 24% (n\u2009=\u200911), and rectal intussusception and rectocele in 56% (n\u2009=\u200925). Thirty\u2010six percent of patients had anal sphincter lacerations (n\u2009=\u200916): 12% (n\u2009=\u20092) had only internal laceration, 69% (n\u2009=\u200911) had only external laceration, and 19% (n\u2009=\u20093) had both. Two patients had a thinner internal anal sphincter with 0.9 and 1.2\u2009mm, respectively. In total, 25% of the patients without fecal incontinence had an occult anal sphincter laceration, and all were women with an external sphincter laceration in the anterior quadrant and a previous vaginal delivery. In patients with obstructed defecation and fecal incontinence, 48% had sphincter lacerations. Previous anorectal surgery was a predictor of anal sphincter laceration (odds ratio [OR] 4.8; 95% confidence interval [CI]\u2009=\u20091.214\u201318.971; <jats:italic>P<\/jats:italic>\u2009=\u2009.025), but fecal incontinence (OR 2.7; 95% CI\u2009=\u20090.774\u20139.613; <jats:italic>P<\/jats:italic>\u2009=\u2009.119) and previous vaginal delivery (OR 1.250; 95% CI\u2009=\u20090.104\u201315.011; <jats:italic>P<\/jats:italic>\u2009=\u2009.860) were not.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Endoanal ultrasound should be considered in obstructed defecation with or without fecal incontinence, especially if surgical correction is planned.<\/jats:p><\/jats:sec>","DOI":"10.1002\/jum.14300","type":"journal-article","created":{"date-parts":[[2017,6,26]],"date-time":"2017-06-26T07:04:41Z","timestamp":1498460681000},"page":"2519-2524","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Anal Sphincters Evaluation by Endoanal Ultrasound in Obstructed Defecation"],"prefix":"10.1002","volume":"36","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5258-2987","authenticated-orcid":false,"given":"Andreia","family":"Albuquerque","sequence":"first","affiliation":[{"name":"Gastroenterology Department, Centro Hospitalar S\u00e3o Jo\u00e3o Porto Portugal"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Guilherme","family":"Macedo","sequence":"additional","affiliation":[{"name":"Gastroenterology Department, Centro Hospitalar S\u00e3o Jo\u00e3o Porto 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