{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,24]],"date-time":"2026-03-24T10:05:32Z","timestamp":1774346732292,"version":"3.50.1"},"reference-count":25,"publisher":"SAGE Publications","issue":"4","license":[{"start":{"date-parts":[[2025,6,26]],"date-time":"2025-06-26T00:00:00Z","timestamp":1750896000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"},{"start":{"date-parts":[[2025,6,26]],"date-time":"2025-06-26T00:00:00Z","timestamp":1750896000000},"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":["Urologia"],"published-print":{"date-parts":[[2025,11]]},"abstract":"<jats:sec>\n                    <jats:title>Objective:<\/jats:title>\n                    <jats:p>To determine whether flexible ureteroscopies (f-URS) affect renal function by performing dynamic renal scans (DTPA or MAG3) pre- and post-operatively.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Patients and methods:<\/jats:title>\n                    <jats:p>Between April 2010 and March 2024, 945 renal units underwent ureterorenoscopy, of which 101 renal units with upper urinary tract stones (UUTS) completed a renal scan, either DTPA or MAG3 pre- and post-f-URS. The cases were divided into three groups: worsened (&gt;10%), improved (&gt;10%), or unaffected (stable) renal function (\u2a7d10% change). Patient demographics, imaging data, stone properties, and treatment outcomes were comprehensively evaluated. The evaluation of postoperative complications was performed using the Clavien-Dindo classification.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>The mean patient age was 53.4\u2009years. The mean stone size was 11.4\u2009mm. Renal pelvis, upper, and middle calyces, and lower pole stones were found in 12.9% (13), 28.7% (29), and 34.7% (35) of cases, respectively. Single- and second-session SFRs were 95% and 99%, respectively. A third auxiliary procedure was needed in one renal unit (1%). The mean number of procedures per renal unit was 1.06 (107\/101). The mean renal function pre and post-operatively was 47.3% and 48%, respectively. The majority of patients (94.1%) had unchanged renal function. However, three female patients (3%) had a decline in differential renal function (&gt;10%) while three patients (two males and one female) (3%) had an improvement (&gt;10%). A re-intervention was necessary in one patient, interestingly not among those with declined renal function.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions:<\/jats:title>\n                    <jats:p>Flexible ureteroscopy due to renal or ureteral stones has minimal to no impact on renal function. Renal scans pre- and post-operatively may be used in potentially high-risk patients.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/03915603251347448","type":"journal-article","created":{"date-parts":[[2025,6,27]],"date-time":"2025-06-27T01:45:41Z","timestamp":1750988741000},"page":"657-662","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["Do flexible ureteroscopies affect renal function?"],"prefix":"10.1177","volume":"92","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2275-6805","authenticated-orcid":false,"given":"Murad","family":"Asali","sequence":"first","affiliation":[{"name":"Urology Department, Barzilai University Medical Center, Ben Gurion University of the Negev, Beer Sheva, Israel"},{"name":"Assuta Medical Center, Ramat Hyal, Ben Gurion University of the Negev, Beer Sheva, Israel"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Osman","family":"Hallak","sequence":"additional","affiliation":[{"name":"Urology Department, Barzilai University Medical Center, Ben Gurion University of the Negev, Beer Sheva, Israel"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Galeb","family":"Asali","sequence":"additional","affiliation":[{"name":"Faculty of Medicine in Safed, Bar-Ilan University, Ramat-Gan, Israel"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2025,6,26]]},"reference":[{"key":"e_1_3_2_2_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00345-017-2008-6"},{"key":"e_1_3_2_3_2","doi-asserted-by":"publisher","DOI":"10.1089\/end.2013.0436"},{"key":"e_1_3_2_4_2","doi-asserted-by":"publisher","DOI":"10.5152\/tud.2017.22697"},{"key":"e_1_3_2_5_2","doi-asserted-by":"publisher","DOI":"10.1097\/MOU.0000000000000030"},{"key":"e_1_3_2_6_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00345-015-1653-x"},{"key":"e_1_3_2_7_2","doi-asserted-by":"publisher","DOI":"10.1590\/S1677-5538.IBJU.2014.0402"},{"issue":"2","key":"e_1_3_2_8_2","first-page":"12393","article-title":"Dynamic renal scans as a modality for follow-up of flexible ureteroscopy","volume":"96","author":"Asali M","year":"2024","unstructured":"Asali M, Hallak O. 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