{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,27]],"date-time":"2026-09-27T04:45:35Z","timestamp":1790484335249,"version":"4.1.0"},"reference-count":28,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2026,2,2]],"date-time":"2026-02-02T00:00:00Z","timestamp":1769990400000},"content-version":"vor","delay-in-days":1,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,2,1]],"date-time":"2026-02-01T00:00:00Z","timestamp":1769904000000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["bjui-journals.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["BJUI Compass"],"published-print":{"date-parts":[[2026,2]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Objectives<\/jats:title>\n                    <jats:p>While early outcomes after pyeloplasty are well\u2010documented, long\u2010term split renal function (SRF) stability, particularly beyond puberty, remains unclear. This study evaluates SRF after prepubertal pyeloplasty and identifies factors associated with late deterioration.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>\n                      A retrospective review included paediatric patients who underwent pyeloplasty between 2000 and 2025. Exclusion criteria were solitary kidney, missing imaging, congenital anomalies or prior pyeloplasty. Patients were categorised into two groups: Group 1 (no deterioration) and Group 2 (late deterioration after puberty), based on \u22655% decrease in SRF. Clinical, surgical and imaging parameters were compared among groups using Chi\u2010square, Fisher's exact and Mann\u2013Whitney\n                      <jats:italic>U<\/jats:italic>\n                      tests, with multivariate logistic regression to identify predictors of late deterioration.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Out of 1493 patients, 191 were included: 152 (79.6%) in Group 1 and 39 (20.4%) in Group 2. Group 2 patients were younger at surgery, had more frequent renal pelvis reduction and persistent hydronephrosis at 1\u2010year follow\u2010up (\n                      <jats:italic>p<\/jats:italic>\n                      \u00a0&lt;\u20090.001). Multivariate analysis identified renal pelvis reduction (odds ratio [OR]\u2009=\u20099.82, 95% confidence interval [CI]: 3.551\u201337.799,\n                      <jats:italic>p<\/jats:italic>\n                      \u00a0&lt;\u20090.001) and non\u2010resolution of hydronephrosis (OR\u2009=\u20094.811, 95% CI: 1.766\u201313.1,\n                      <jats:italic>p<\/jats:italic>\n                      \u00a0=\u20090.002), as late deterioration predictors. Older age at surgery (OR\u2009=\u20090.958, 95% CI: 0.942\u20130.975,\n                      <jats:italic>p<\/jats:italic>\n                      \u00a0&lt;\u20090.001) and higher final SRF (OR\u2009=\u20090.905, 95% CI: 0.855\u20130.958,\n                      <jats:italic>p<\/jats:italic>\n                      \u00a0&lt;\u20090.001) were protective against deterioration.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>SRF may deteriorate after puberty despite initial post\u2010operative stability. Renal pelvis reduction, persistent hydronephrosis at 1\u2009year and younger age at surgery are associated with increased risk of deterioration.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/bco2.70159","type":"journal-article","created":{"date-parts":[[2026,2,3]],"date-time":"2026-02-03T03:43:48Z","timestamp":1770090228000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Post\u2010pubertal stability of split renal function after pyeloplasty performed in childhood"],"prefix":"10.1002","volume":"7","author":[{"ORCID":"https:\/\/orcid.org\/0009-0007-7700-8560","authenticated-orcid":false,"given":"Mohamed A.","family":"Soltan","sequence":"first","affiliation":[{"name":"Urology and Nephrology Center Mansoura University  Mansoura Egypt"},{"name":"Department of Urology University of Tennessee Health Science Center  Memphis Tennessee USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tamer E.","family":"Helmy","sequence":"additional","affiliation":[{"name":"Urology and Nephrology Center Mansoura University  Mansoura Egypt"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mohamed E.","family":"Dawaba","sequence":"additional","affiliation":[{"name":"Urology and Nephrology Center Mansoura University  Mansoura Egypt"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mohamed Abou","family":"El\u2010Ghar","sequence":"additional","affiliation":[{"name":"Urology and Nephrology Center Mansoura University  Mansoura Egypt"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2699-2629","authenticated-orcid":false,"given":"Ahmed","family":"Shokeir","sequence":"additional","affiliation":[{"name":"Urology and Nephrology Center Mansoura University  Mansoura 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