{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,30]],"date-time":"2026-04-30T22:53:01Z","timestamp":1777589581857,"version":"3.51.4"},"reference-count":19,"publisher":"SAGE Publications","issue":"12","license":[{"start":{"date-parts":[[2025,10,30]],"date-time":"2025-10-30T00:00:00Z","timestamp":1761782400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Journal of Endourology"],"published-print":{"date-parts":[[2025,12]]},"abstract":"\n Purpose:<\/jats:title>\n To describe our 10-year experience with EBD for primary obstructive megaureter.<\/jats:p>\n <\/jats:sec>\n \n Materials and Methods:<\/jats:title>\n Children needing intervention for primary obstructing megaureters (POM) (based on increasing distal dilatation >1.4 cm, differential renal function [DRF] <40%, or symptoms) were counseled to undergo a trial of EBD. A 9.5Fr cystoscope and stent \u201cpusher\u201d were used to insert a 14\u2019\u2019 guidewire to allow insertion of a 4\/25 mm coronary dilatation balloon that was insufflated to 15 ATM for 5 minutes. Afterwards a 4.7Fr Double-J stent was positioned for 6 weeks. Ureteral diameter, DRF, length of obstruction, and complications were registered. Success was defined as improvement of the indication without further need for a more invasive procedure.<\/jats:p>\n <\/jats:sec>\n \n Results:<\/jats:title>\n A total of 31 dilated ureters in 28 patients (23\/5 M\/F) were included, with a median age of 9 months (M) (range: 1\u2013111) and a follow-up of 41 M (range: 12\u201384). EBD showed a narrow ring in 29 (93.5%) and longer narrow distal ureters in 2 (6%). EBD was successful in 29\/31 ureters (93.5%), with different success rates for a narrow ring (96.6%) and a longer narrow distal ureter (50%).<\/jats:p>\n <\/jats:sec>\n \n Conclusion:<\/jats:title>\n As most POM resolve spontaneously, hard indications are needed before treatment is offered. Symptomatic patients (e.g., infections) and declining DRF with dilated ureters are strong indications. In such cases, EBD with a coronary dilatation balloon has a high success rate and provides diagnostic information regarding the length of the narrow ureteral segment. Longer narrow ureteral segments are rare but result in a higher failure rate.<\/jats:p>\n <\/jats:sec>","DOI":"10.1177\/08927790251392914","type":"journal-article","created":{"date-parts":[[2025,10,30]],"date-time":"2025-10-30T11:00:23Z","timestamp":1761822023000},"page":"1254-1261","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["Endoscopic Balloon Dilatation as a Diagnostic and Therapeutic Tool for Primary Obstructive Megaureter. 10 Year Experience"],"prefix":"10.1177","volume":"39","author":[{"given":"Jarne","family":"Michielsen","sequence":"first","affiliation":[{"name":"Master of Medicine, Faculty of Medicine and Health Sciences, University of Antwerp, Antwerp, Belgium."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Quinten","family":"Bogaerts","sequence":"additional","affiliation":[{"name":"Master of Medicine, Faculty of Medicine and Health Sciences, University of Antwerp, Antwerp, Belgium."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Koenraad","family":"van Hoeck","sequence":"additional","affiliation":[{"name":"TWI, 2N, Faculty of Medicine and Health Sciences, university of Antwerp, Antwerp, Belgium."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dominique","family":"Trouet","sequence":"additional","affiliation":[{"name":"LEMP, University of Antwerp, Antwerp, Belgium."},{"name":"Department of Pediatrics and Pediatric Nephrology, University Hospital Antwerp, Antwerp, Belgium."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Siemen","family":"Herroelen","sequence":"additional","affiliation":[{"name":"Master of Medicine, Faculty of Medicine and Health Sciences, University of Antwerp, Antwerp, Belgium."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Karen","family":"De Baets","sequence":"additional","affiliation":[{"name":"Department of Urology, University Hospital Antwerp, Antwerp, Belgium."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gunter","family":"De Win","sequence":"additional","affiliation":[{"name":"Department of Urology, University Hospital Antwerp, Antwerp, Belgium."},{"name":"ASTARC, Faculty of Medicine and Health Sciences, University of Antwerp, Antwerp, Belgium."}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2025,10,30]]},"reference":[{"issue":"5","key":"e_1_3_2_2_2","first-page":"3","article-title":"Report of working party to establish an international nomenclature for the large ureter","volume":"13","year":"1977","unstructured":"Report of working party to establish an international nomenclature for the large ureter. Birth Defects Orig Artic Ser, 1977; 13(5):3\u20138.","journal-title":"Birth Defects Orig Artic Ser"},{"key":"e_1_3_2_3_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.jpurol.2013.09.018"},{"key":"e_1_3_2_4_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00467-023-05938-6"},{"key":"e_1_3_2_5_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.jpedsurg.2012.11.017"},{"key":"e_1_3_2_6_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.juro.2015.11.049"},{"key":"e_1_3_2_7_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.juro.2014.01.110"},{"key":"e_1_3_2_8_2","doi-asserted-by":"publisher","DOI":"10.1089\/lap.2017.0261"},{"key":"e_1_3_2_9_2","doi-asserted-by":"publisher","DOI":"10.1089\/end.2013.0665"},{"key":"e_1_3_2_10_2","doi-asserted-by":"publisher","DOI":"10.4081\/pmc.2020.214"},{"key":"e_1_3_2_11_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.jpurol.2023.09.005"},{"key":"e_1_3_2_12_2","doi-asserted-by":"publisher","DOI":"10.1089\/end.2013.0210"},{"key":"e_1_3_2_13_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.jpurol.2018.05.027"},{"key":"e_1_3_2_14_2","doi-asserted-by":"publisher","DOI":"10.4081\/pmc.2019.219"},{"key":"e_1_3_2_15_2","doi-asserted-by":"publisher","DOI":"10.3389\/fped.2018.00275"},{"key":"e_1_3_2_16_2","doi-asserted-by":"publisher","DOI":"10.1097\/01.JU.0001008908.82706.9f"},{"key":"e_1_3_2_17_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.jpurol.2022.03.028"},{"key":"e_1_3_2_18_2","doi-asserted-by":"publisher","DOI":"10.1089\/end.2006.0330"},{"key":"e_1_3_2_19_2","doi-asserted-by":"publisher","DOI":"10.1016\/s0022-5347(17)60388-4"},{"key":"e_1_3_2_20_2","doi-asserted-by":"publisher","DOI":"10.1089\/end.2023.0550"}],"container-title":["Journal of Endourology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.1177\/08927790251392914","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.sagepub.com\/doi\/full-xml\/10.1177\/08927790251392914","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.1177\/08927790251392914","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,4,28]],"date-time":"2026-04-28T20:17:44Z","timestamp":1777407464000},"score":1,"resource":{"primary":{"URL":"https:\/\/journals.sagepub.com\/doi\/full\/10.1177\/08927790251392914"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2025,10,30]]},"references-count":19,"journal-issue":{"issue":"12","published-print":{"date-parts":[[2025,12]]}},"alternative-id":["10.1177\/08927790251392914"],"URL":"https:\/\/doi.org\/10.1177\/08927790251392914","relation":{},"ISSN":["0892-7790","1557-900X"],"issn-type":[{"value":"0892-7790","type":"print"},{"value":"1557-900X","type":"electronic"}],"subject":[],"published":{"date-parts":[[2025,10,30]]}}}