{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,5]],"date-time":"2026-07-05T19:08:17Z","timestamp":1783278497109,"version":"3.54.6"},"reference-count":35,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2020,11,13]],"date-time":"2020-11-13T00:00:00Z","timestamp":1605225600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["bjui-journals.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["BJU International"],"published-print":{"date-parts":[[2021,6]]},"abstract":"<jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>To determine differences in perioperative outcomes between retroperitoneal and transperitoneal approaches for laparoscopic pyeloplasty (LP) to manage pelvi\u2010ureteric junction obstruction (PUJO) through a meta\u2010analysis of comparative studies.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>A systematic search was performed in January 2020. Comparative studies were evaluated according to Cochrane Collaboration recommendations. Assessed outcomes included success and complication rates, conversion to open surgery, operative time (OT), length of hospital stay (LOS), estimated blood loss (EBL), analgesic requirements, regular diet resumption, and drain duration. Relative risk (RR) and standardised mean difference (SMD) with 95% confidence intervals (CIs) were extrapolated. Subgroup analyses were performed according to study design and techniques. International Prospective Register of Systematic Reviews (PROSPERO) number: CRD42020163303.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>A total of 18 studies describing 2007 cases were included. Overall pooled effect estimates did not show statistically significant differences between the approaches with regards to success rate (RR 0.99; 95% CI 0.97, 1.01), complications (RR 1.09; 95% CI 0.82, 1.45), OT (SMD 0.61; 95% CI \u22120.04, 1.26), LOS (SMD \u22120.30; 95% CI \u22120.63, 0.04), EBL (SMD \u22120.53; 95% CI \u22121.26, 0.21), or analgesic requirements (SMD \u22120.51; 95% CI \u22121.23, 0.21). Compared to the transperitoneal approach, retroperitoneal LP had a higher conversion rate (RR 2.40; 95% CI 1.23, 4.66); however, patients resumed diets earlier (SMD \u22122.49; 95% CI \u22124.17, \u22120.82) and had shorter drain duration (SMD \u22120.31; 95% CI \u22120.57, \u22120.05).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>The evidence suggests that there are no significant differences in success rate, OT and complications between transperitoneal and retroperitoneal LP. Conversion rates are higher with the retroperitoneal approach; however, return to diet occurs faster and drain duration is shorter when compared to the transperitoneal approach.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/bju.15264","type":"journal-article","created":{"date-parts":[[2020,12,4]],"date-time":"2020-12-04T11:47:27Z","timestamp":1607082447000},"page":"687-702","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["Meta\u2010analysis of retroperitoneal vs transperitoneal laparoscopic and robot\u2010assisted pyeloplasty for the management of pelvi\u2010ureteric junction obstruction"],"prefix":"10.1111","volume":"127","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-4388-4067","authenticated-orcid":false,"given":"Michael E.","family":"Chua","sequence":"first","affiliation":[{"name":"Division of Urology The Hospital for Sick Children Toronto ON Canada"},{"name":"Institute of Urology St. Luke\u2019s Medical Center, QC, NCR Quezon City Philippines"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jessica M.","family":"Ming","sequence":"additional","affiliation":[{"name":"Section of Urology Department of Surgery University of New Mexico Albuquerque NM USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0964-9503","authenticated-orcid":false,"given":"Jin Kyu","family":"Kim","sequence":"additional","affiliation":[{"name":"Department of Surgery University of Toronto Toronto ON Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Karen L.","family":"Milford","sequence":"additional","affiliation":[{"name":"Division of Urology The Hospital for Sick Children Toronto ON Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jan Michael","family":"Silangcruz","sequence":"additional","affiliation":[{"name":"Institute of Urology St. Luke\u2019s Medical Center, QC, NCR Quezon City Philippines"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lily","family":"Ren","sequence":"additional","affiliation":[{"name":"Learning Commons Learning Institute The Hospital for Sick Children Toronto ON Canada"},{"name":"Lane Medical Library Stanford School of Medicine Stanford University Stanford CA USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mandy","family":"Rickard","sequence":"additional","affiliation":[{"name":"Division of Urology The Hospital for Sick Children Toronto ON Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6735-9462","authenticated-orcid":false,"given":"Armando J.","family":"Lorenzo","sequence":"additional","affiliation":[{"name":"Division of Urology The Hospital for Sick Children Toronto ON Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2020,11,13]]},"reference":[{"key":"e_1_2_11_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.eursup.2012.01.004"},{"key":"e_1_2_11_3_1","doi-asserted-by":"publisher","DOI":"10.1111\/iju.14207"},{"key":"e_1_2_11_4_1","doi-asserted-by":"publisher","DOI":"10.1097\/01.ju.0000061966.21966.94"},{"key":"e_1_2_11_5_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1464-410X.1949.tb10773.x"},{"key":"e_1_2_11_6_1","doi-asserted-by":"publisher","DOI":"10.1089\/end.2010.0544"},{"key":"e_1_2_11_7_1","doi-asserted-by":"publisher","DOI":"10.21037\/tp.2016.10.05"},{"key":"e_1_2_11_8_1","doi-asserted-by":"publisher","DOI":"10.1586\/17434440.5.2.145"},{"key":"e_1_2_11_9_1","doi-asserted-by":"publisher","DOI":"10.1089\/lap.2011.0508"},{"key":"e_1_2_11_10_1","unstructured":"HigginsJP ThomasJ ChandlerJet al.The Cochrane Handbook for Systematic Reviews of Interventions. 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