{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,13]],"date-time":"2026-08-13T19:38:54Z","timestamp":1786649934585,"version":"build-2736575974"},"reference-count":15,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"1","content-domain":{"domain":["lww.com","ovid.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2019,1]]},"abstract":"<jats:sec>\n                    <jats:title>Background:<\/jats:title>\n                    <jats:p>A retrospective study was designed to evaluate the diagnostic value of transvaginal four-dimensional hysterosalpingo-contrast sonography (TVS 4D-HyCoSy) combined with recanalization versus laparoscopy for patients with tubal infertility.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Materials and Methods:<\/jats:title>\n                    <jats:p>A total of 195 patients undergoing TVS 4D-HyCoSy were analyzed retrospectively. Of these, 72 patients underwent laparoscopy, which was the gold standard. The endpoints were coincidence rate (defined as a parameter consistent with results arising from TVS 4D-HyCoSy and laparoscopic examination using dye), sensitivity, specificity, positive predictive value, negative predictive value, and Youden index for TVS 4D-HyCoSy.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>A total of 385 fallopian tubes were assessed by TVS 4D-HyCoSy, of which 147 (38.2%) were tubal patency, 178 (46.2%) as partial tubal obstruction, and 60 (15.6%) as complete tubal obstruction. Of 195 patients, 72 patients with 144 fallopian tubes underwent laparoscopy and a total coincidence rate of 90.97% compared with TVS 4D-HyCoSy. The sensitivity, specificity, positive predictive value, negative predictive value, and Youden index for 4D-HyCoSy versus laparoscopy were 97.7%, 86.7%, 98.4%, 81.3%, and 0.84, respectively.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions:<\/jats:title>\n                    <jats:p>TVS 4D-HyCoSy represents a highly useful method for diagnosing tubal patency. However, further large-scale studies are warranted to investigate our findings in patients with tubal infertility.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.4103\/njcp.njcp_376_17","type":"journal-article","created":{"date-parts":[[2023,8,21]],"date-time":"2023-08-21T06:21:14Z","timestamp":1692598874000},"page":"46-50","update-policy":"https:\/\/doi.org\/10.1097\/lww.0000000000001000","source":"Crossref","is-referenced-by-count":12,"title":["Diagnostic Value of Transvaginal Four-Dimensional Hysterosalpingo-Contrast Sonography Combined with Recanalization in Patients with Tubal Infertility"],"prefix":"10.4103","volume":"22","author":[{"given":"YB","family":"Gao","sequence":"first","affiliation":[{"name":"Department of Ultrasound, Binzhou Medical University Hospital, Binzhou, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"JH","family":"Yan","sequence":"additional","affiliation":[{"name":"Department of Ultrasound, Binzhou Medical University Hospital, Binzhou, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"YD","family":"Yang","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology, Binzhou Medical University Hospital, Binzhou, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"J","family":"Sun","sequence":"additional","affiliation":[{"name":"Department of Ultrasound, Binzhou Medical University Hospital, Binzhou, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"JY","family":"Dong","sequence":"additional","affiliation":[{"name":"Department of Ultrasound, Binzhou Medical University Hospital, Binzhou, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"GH","family":"Cui","sequence":"additional","affiliation":[{"name":"Department of Ultrasound, Binzhou Medical University Hospital, Binzhou, 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