{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,7]],"date-time":"2025-11-07T09:27:32Z","timestamp":1762507652227,"version":"3.40.5"},"reference-count":29,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2019,1,25]],"date-time":"2019-01-25T00:00:00Z","timestamp":1548374400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"name":"Liaoning province natural science fund","award":["201602428"],"award-info":[{"award-number":["201602428"]}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J of Ultrasound Medicine"],"published-print":{"date-parts":[[2019,9]]},"abstract":"<jats:sec><jats:title>Objective<\/jats:title><jats:p>To investigate the application value of shear wave elastography (SWE) and acoustic radiation force impulse imaging (ARFI) in the diagnosis of female bladder neck obstruction (FBNO), we compared the advantages of these 2 methods to provide a more accurate reference for clinical work.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>From April 2016 to February 2018, 27 patients who were diagnosed with FBNO by cystoscopy and\/or urine dynamics testing were selected for the study, together with 24 healthy adults in a case\u2010control study at Liaoning Province People's Hospital. We collected general information from 27 patients with FBNO, and using transperineal 2\u2010dimensional ultrasound detection, shear wave elastography (SWE) and ARFI were used, respectively, to detect the Young's modulus and shear wave velocity (SWV) of the bladder necks. Cystoscopy results were considered to be the gold standard, and receiver operating characteristic (ROC) curves were drawn for ARFI, SWE, and the combined diagnosis of the two. The efficacy of the diagnosis was determined by comparing the areas under the ROC curves and calculating the sensitivity, specificity, and accuracy.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The areas under the ROC curve for the Q\u2010box mean and max value detected by SWE for FBNO patients were 88.4% and 89.9%, respectively, and the sensitivity, specificity, and accuracy were 81.5%, 79.2%, and 80.4%, respectively. The area under the ROC curve detected by ARFI for FBNO patients was 93.7%, and the sensitivity, specificity, and accuracy were 88.9%, 79.2%, and 84.3%, respectively. The sensitivity, specificity, and accuracy of the combined detection of ARFI and SWE were 92.5%, 87.5%, and 90.2%, respectively. The best diagnostic cutoff point of the SWV or the Q\u2010box mean and max value of SWE in FBNO obtained with the ROC curve was SWV\u2009=\u20092.38\u2009m\/s (sensitivity, 71.4%; specificity, 82.5%), Q\u2010box mean\u2009= 20.2\u2009kPa, Q\u2010box max\u2009=\u200939.8\u2009kPa (sensitivity, 67.5%; specificity, 76.2%). The average shear wave velocity of ARFI, Q\u2010box mean, and Q\u2010box max value of SWE in the control group were 1.89\u2009\u00b1\u20090.35\u2009m\/s, 15.3\u2009\u00b1\u20093.6\u2009kPa, and 29.2\u2009\u00b1\u20098.7\u2009kPa, respectively. In the FBNO group, these values were 2.81\u2009\u00b1\u20090.63) m\/s, 27.2\u2009\u00b1\u20098.6\u2009kPa, and 51.2\u2009\u00b1\u200912.3\u2009kPa, respectively. The differences were statistically significant (<jats:italic>P<\/jats:italic>\u2009&lt;\u2009.05).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>The value of the ARFI in the diagnosis of FBNO is a little greater than that of SWE in terms of sensitivity and accuracy, and the combined detection of ARFI and SWE performs better than ARFI or SWE employed separately.<\/jats:p><\/jats:sec>","DOI":"10.1002\/jum.14941","type":"journal-article","created":{"date-parts":[[2019,1,25]],"date-time":"2019-01-25T09:53:07Z","timestamp":1548409987000},"page":"2427-2435","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Value of Real\u2010Time Shear Wave Elastography Versus Acoustic Radiation Force Impulse Imaging in the Diagnosis of Female Bladder Neck 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