{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,27]],"date-time":"2026-06-27T23:46:25Z","timestamp":1782603985267,"version":"3.54.5"},"reference-count":22,"publisher":"SAGE Publications","issue":"11","license":[{"start":{"date-parts":[[2021,11,1]],"date-time":"2021-11-01T00:00:00Z","timestamp":1635724800000},"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":[[2021,11]]},"abstract":"<jats:sec>\n                    <jats:title>Purpose:<\/jats:title>\n                    <jats:p>To examine the efficacy of ureteral jet flow measured by Doppler ultrasonography (USG) together with radiological parameters obtained by noncontrast enhanced CT in predicting whether a ureteral stone is impacted.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Materials and Methods:<\/jats:title>\n                    <jats:p>\n                      A total of 178 patients that met the criteria were included in the study. Stone size, location, grade of hydronephrosis, HU values of the stone and the proximal and distal parts of the stone, and ureteral wall thickness (UWT) were obtained from noncontrast enhanced abdominal CT images. Ureteral jet flows (\n                      <jats:italic toggle=\"yes\">V<\/jats:italic>\n                      <jats:sub>max<\/jats:sub>\n                      ) were measured and recorded by Doppler USG. Thirty-eight cases in whom the guidewire or opaque contrast material could not pass beyond the stone were included in the impacted ureteral stone (IUS) group, whereas the remaining 140 patients constituted the non-IUS (non-IUS) group.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>\n                      Significant independent predictors of IUS were determined as stone size (odds ratio [OR]: 2.23,\n                      <jats:italic toggle=\"yes\">p<\/jats:italic>\n                      \u2009=\u20090.020), ureteral HU value under the stone (OR: 1.11,\n                      <jats:italic toggle=\"yes\">p<\/jats:italic>\n                      \u2009=\u20090.014), UWT (OR: 5.66,\n                      <jats:italic toggle=\"yes\">p<\/jats:italic>\n                      \u2009=\u20090.009), anteroposterior diameter (OR: 1.23,\n                      <jats:italic toggle=\"yes\">p<\/jats:italic>\n                      \u2009=\u20090.033), and the\n                      <jats:italic toggle=\"yes\">V<\/jats:italic>\n                      <jats:sub>max<\/jats:sub>\n                      value of the stone side (OR: 0.76,\n                      <jats:italic toggle=\"yes\">p<\/jats:italic>\n                      \u2009=\u20090.011). The proposed scoring system predicted IUS with 89% sensitivity and 91% specificity at a cutoff value of 11.5.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion:<\/jats:title>\n                    <jats:p>Determining whether a ureteral stone is impacted is important in deciding on the optimal treatment modality. The nomogram and scoring system that we created based on the data that were obtained with noninvasive methods can predict IUS with high sensitivity and specificity.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1089\/end.2021.0168","type":"journal-article","created":{"date-parts":[[2021,4,29]],"date-time":"2021-04-29T10:55:38Z","timestamp":1619693738000},"page":"1701-1709","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":6,"title":["Development of a Novel Nomogram and a Simple Scoring System Using Ureteral Jet Flow to Predict Impacted Ureteral Stone"],"prefix":"10.1177","volume":"35","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6817-2106","authenticated-orcid":false,"given":"Abdullah","family":"Erdogan","sequence":"first","affiliation":[{"name":"Urology Department, Faculty of Medicine, Erzincan Binali Yildirim University, Erzincan, Turkey."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9618-8252","authenticated-orcid":false,"given":"Ercument","family":"Keskin","sequence":"additional","affiliation":[{"name":"Urology Department, Faculty of Medicine, Erzincan Binali Yildirim University, Erzincan, Turkey."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3069-7078","authenticated-orcid":false,"given":"Murat","family":"Sambel","sequence":"additional","affiliation":[{"name":"Urology Department, Faculty of Medicine, Erzincan Binali Yildirim University, Erzincan, Turkey."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7580-6872","authenticated-orcid":false,"given":"Salih","family":"Polat","sequence":"additional","affiliation":[{"name":"Urology Department, Faculty of Medicine, Amasya University, Amasya, Turkey."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3590-0327","authenticated-orcid":false,"given":"Mehmet","family":"Kocak","sequence":"additional","affiliation":[{"name":"Radiology Department, Faculty of Medicine, Erzincan Binali Yildirim University, Erzincan, Turkey."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0953-6314","authenticated-orcid":false,"given":"Ozkan","family":"Kilinc","sequence":"additional","affiliation":[{"name":"Radiology Department, Silvan State Hospital, Diyarbak\u0131r, Turkey."}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2021,11,1]]},"reference":[{"key":"e_1_3_3_2_2","unstructured":"Trinchieri A et al. Epidemiology. In: Segura J Conort P Khoury S eds. Stone Disease Editions 21. Paris France 2003."},{"key":"e_1_3_3_3_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00240-007-0106-4"},{"key":"e_1_3_3_4_2","doi-asserted-by":"publisher","DOI":"10.1097\/01.ju.0000100960.08768.81"},{"key":"e_1_3_3_5_2","doi-asserted-by":"publisher","DOI":"10.1159\/000070133"},{"key":"e_1_3_3_6_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0022-5347(17)39928-7"},{"key":"e_1_3_3_7_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.eururo.2007.04.029"},{"key":"e_1_3_3_8_2","doi-asserted-by":"publisher","DOI":"10.4103\/0974-7796.115729"},{"key":"e_1_3_3_9_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00240-014-0724-6"},{"key":"e_1_3_3_10_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.urology.2017.04.047"},{"key":"e_1_3_3_11_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00240-019-01152-y"},{"key":"e_1_3_3_12_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00240-012-0542-7"},{"key":"e_1_3_3_13_2","doi-asserted-by":"publisher","DOI":"10.1148\/radiology.180.2.2068307"},{"key":"e_1_3_3_14_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.urology.2017.02.031"},{"key":"e_1_3_3_15_2","first-page":"106","article-title":"Doppler comparison between ureteric obstruction and ureteric jet velocity","author":"Hayan F","year":"2019","unstructured":"Hayan F, , Bacha R, , Farooq SMY, , Hassan Z-U, , Yousaf M, , Gilani SA, , Javed M, , Fatima M, , Zubair M. Doppler comparison between ureteric obstruction and ureteric jet velocity. EAS J Radiol Imaging Technol, 20191:106\u2013112.","journal-title":"EAS J Radiol Imaging Technol"},{"key":"e_1_3_3_16_2","first-page":"307","article-title":"(2010). Evaluating the importance of mean stone density and skin-to-stone distance in predicting successful shock wave lithotripsy of renal and ureteric calculi","author":"Wiesenthal JD","unstructured":"Wiesenthal JD, , Ghiculete D, , John D'A Honey R, , Pace KT. (2010). Evaluating the importance of mean stone density and skin-to-stone distance in predicting successful shock wave lithotripsy of renal and ureteric calculi. Urol Res, 38:307\u2013313.","journal-title":"Urol Res"},{"key":"e_1_3_3_17_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00345-017-2028-2"},{"key":"e_1_3_3_18_2","doi-asserted-by":"publisher","DOI":"10.1097\/00004424-198911000-00007"},{"key":"e_1_3_3_19_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00345-016-1888-1"},{"key":"e_1_3_3_20_2","first-page":"e11675","article-title":"Importance of the Hounsfield Unit value measured by computed tomography in the differentiation of hydronephrosis and pyonephrosis","volume":"12","author":"Erdogan A","year":"2020","unstructured":"Erdogan A, , Sambel M, , Caglayan V, , Avci S. Importance of the Hounsfield Unit value measured by computed tomography in the differentiation of hydronephrosis and pyonephrosis. Cureus, 2020; 12:e11675.","journal-title":"Cureus"},{"key":"e_1_3_3_21_2","doi-asserted-by":"publisher","DOI":"10.2214\/AJR.08.1286"},{"key":"e_1_3_3_22_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.urology.2006.01.088"},{"key":"e_1_3_3_23_2","unstructured":"T\u00fcrk C Neisius A Petrik A et al. European Association of Urology guidelines on urolithiasis. 2020. http:\/\/uroweb.org\/guideline\/urolithiasis (last accessed 21 January 2021)."}],"container-title":["Journal of Endourology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/journals.sagepub.com\/doi\/full-xml\/10.1089\/end.2021.0168","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.1089\/end.2021.0168","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.1089\/end.2021.0168","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,4,28]],"date-time":"2026-04-28T20:17:58Z","timestamp":1777407478000},"score":1,"resource":{"primary":{"URL":"https:\/\/journals.sagepub.com\/doi\/10.1089\/end.2021.0168"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2021,11]]},"references-count":22,"journal-issue":{"issue":"11","published-print":{"date-parts":[[2021,11]]}},"alternative-id":["10.1089\/end.2021.0168"],"URL":"https:\/\/doi.org\/10.1089\/end.2021.0168","relation":{},"ISSN":["0892-7790","1557-900X"],"issn-type":[{"value":"0892-7790","type":"print"},{"value":"1557-900X","type":"electronic"}],"subject":[],"published":{"date-parts":[[2021,11]]}}}