Chow AK, Rosenberg BJ, Capoccia EM, Cherullo EE (2020) Risk factors and management options for the adult failed ureteropelvic junction obstruction repair in the era of minimally invasive and robotic approaches: a comprehensive literature review. J Endourol 34(11):1112–1119. https://doi.org/10.1089/end.2019.0737

Article  PubMed  Google Scholar 

Strother MC, Mucksavage P (2016) Minimally invasive techniques for the management of adult UPJ obstruction. Curr Urol Rep 17(5):39. https://doi.org/10.1007/s11934-016-0593-3

Article  PubMed  Google Scholar 

Romão RLP, Koyle MA, Pippi Salle JL, Alotay A, Figueroa VH, Lorenzo AJ et al (2013) Failed pyeloplasty in children: revisiting the unknown. Urology 82(5):1145–1149. https://doi.org/10.1016/j.urology.2013.06.049

Article  PubMed  Google Scholar 

Swearingen R, Ambani S, Faerber GJ, Bloom DA, Wolf JS Jr. (2016) Definitive management of failure after pyeloplasty. J Endourol 30(Suppl 1):S23–S27. https://doi.org/10.1089/end.2015.0837

Article  PubMed  Google Scholar 

Ng CS, Yost AJ, Streem SB (2003) Management of failed primary intervention for ureteropelvic junction obstruction: 12-year, single-center experience. Urology 61(2):291–296. https://doi.org/10.1016/S0090-4295(02)02160-X

Article  PubMed  Google Scholar 

Vannahme M, Mathur S, Davenport K, Timoney AG, Keeley FX Jr. (2014) The management of secondary pelvi-ureteric junction obstruction: a comparison of pyeloplasty and endopyelotomy. BJU Int 113:108–112. https://doi.org/10.1111/bju.12454

Article  PubMed  Google Scholar 

Diamantidis D, Lailisidis S, Panagiotopoulos N, Giannopoulos S, Georgellis C, Tsakaldimis G et al (2025) Redo laparoscopic pyeloplasty for recurrent ureteropelvic junction obstruction: a single center experience and review of the literature. BMC Urol 25:58

Article  PubMed  PubMed Central  Google Scholar 

Ishii D, Mori K, Shiba I, Shiono Y, Matsumoto K (2025) Current status and future perspectives of robotic assisted redo pyeloplasty for recurrent ureteropelvic junction obstruction. Int J Urol 32(12):1750–61

Article  PubMed  PubMed Central  Google Scholar 

Xie Q, Wang C, Su C, Shi B, Li Y, Huang J et al (2024) Feasibility and effectiveness of repeat laparoscopic pyeloplasty for recurrent ureteropelvic junction obstruction in pediatric patients. J Endourol 38(6):584–589. https://doi.org/10.1089/end.2023.0577

Article  PubMed  Google Scholar 

Abdrabuh AM, Salih EM, Aboelnasr M, Galal H, El-Emam A, El-Zayat T (2018) Endopyelotomy versus redo pyeloplasty for management of failed pyeloplasty in children: a single center experience. J Pediatr Surg 53(11):2250–2255. https://doi.org/10.1016/j.jpedsurg.2018.06.002

Article  PubMed  Google Scholar 

Braga LHP, Lorenzo AJ, Skeldon S, Dave S, Bagli DJ, Khoury AE et al (2007) Failed pyeloplasty in children: comparative analysis of retrograde endopyelotomy versus redo pyeloplasty. J Urol 178(6):2571–2575. https://doi.org/10.1016/j.juro.2007.08.050

Article  PubMed  Google Scholar 

Ceyhan E, Dogan HS, Tekgul S (2020) Our experience on management of failed pediatric pyeloplasty. Pediatr Surg Int 36:971–976. https://doi.org/10.1007/s00383-020-04699-9

Article  PubMed  Google Scholar 

Page MJ, McKenzie JE, Bossuyt PM, Boutron I, Hoffmann TC, Mulrow CD et al (2021) The PRISMA 2020 statement: an updated guideline for reporting systematic reviews. BMJ 372:n71. https://doi.org/10.1136/bmj.n71

Article  PubMed  PubMed Central  Google Scholar 

Sterne JAC, Hernán MA, Reeves BC, Savović J, Berkman ND, Viswanathan M et al (2016) ROBINS-I: a tool for assessing risk of bias in non-randomised studies of interventions. BMJ 355:i4919. https://doi.org/10.1136/bmj.i4919

Article  PubMed  PubMed Central  Google Scholar 

Chua M, Ming J, Cunningham J (2025) Systematic review and meta-analysis for management of recurrent ureteropelvic junction obstruction (PROSPERO registration no. CRD420251046758). In: PROSPERO

Alqarni N, Alyami F, Alrumaih A, Joueidi F, Alshayie M, Alrefaei MA et al (2025) Balloon dilatation for failed pyeloplasty: is it a valid alternate option in pediatric age group? A comparative retrospective study. Urol Ann 17(2):108–111. https://doi.org/10.4103/ua.ua_94_24

Article  PubMed  PubMed Central  Google Scholar 

Crivelli JJ, Johnson BA, Steinberg RL, Gahan JC, Antonelli JA, Morey AF et al (2021) Clinical and radiographic outcomes following salvage intervention for ureteropelvic junction obstruction. Int Braz J Urol 47(6):1209–1218. https://doi.org/10.1590/S1677-5538.IBJU.2021.0303

Article  PubMed  PubMed Central  Google Scholar 

Gao W, Zhang L, He Y, Tian T, Li Z, Bai L et al (2023) Analysis of the efficacy and risk factors of surgical treatment of recurrent UPJO in adults. Int Urol Nephrol 55:1493–1499. https://doi.org/10.1007/s11255-022-03439-3

Article  PubMed  Google Scholar 

Leung L, Chan IHY, Chung PHY, Lan LCL, Wong KKY, Tam PKH (2016) Outcomes of re-intervention for laparoscopic transperitoneal pyeloplasty in children. J Laparoendosc Adv Surg Tech 26(4):318–323. https://doi.org/10.1089/lap.2015.0095

Article  Google Scholar 

Ost MC, Kaye JD, Guttman MJ, Lee BR, Smith AD (2005) Laparoscopic pyeloplasty versus antegrade endopyelotomy: comparison in 100 patients and a new algorithm for the minimally invasive treatment of ureteropelvic junction obstruction. Urology 66(Suppl 5A):48–51. https://doi.org/10.1016/j.urology.2005.06.115

Article  Google Scholar 

Xiong S, Zhu H, Zhang P, Wang B, Zhou L, Li X (2024) Comparative effectiveness of surgical treatments for recurrent obstruction following pyeloplasty: a multicenter, prospective study [abstract]. J Urol 211(5 Suppl):e905. https://doi.org/10.1097/01.JU.0001008800.83683.92.03

Article  Google Scholar 

Xiong S, Fan S, Huang Y, Li Z, Li X, Wang X et al (2025) Clinical efficacy and risk factors of minimally invasive surgery for failed pyeloplasty: a prospective multicenter cohort study. Int J Surg (Lond Engl). https://doi.org/10.1097/JS9.0000000000004448

Article  Google Scholar 

Varkarakis IM, Bhayani SB, Allaf ME, Inagaki T, Ong AM, Kavoussi LR et al (2004) Management of secondary ureteropelvic junction obstruction after failed primary laparoscopic pyeloplasty. J Urol 172(1):180–182. https://doi.org/10.1097/01.ju.0000132142.25717.08

Article  PubMed  Google Scholar 

Gad HA, Eldahshoury MZ, Hussein MM, Hammady A (2020) Laparoscopic treatment for secondary ureteropelvic junction obstruction. Egypt J Hosp Med 79(1):1470–1478

Google Scholar 

Rogers A, Hasan T (2007) Management of secondary pelviureteric junction obstruction. BJU Int 99(6):147–154

Google Scholar 

Chandrasekharam VVS, Babu R (2022) A systematic review and meta-analysis of open, conventional laparoscopic and robot-assisted laparoscopic techniques for redo pyeloplasty for recurrent ureteropelvic junction obstruction in children. J Pediatr Urol 18(5):642–649

Article  CAS  PubMed  Google Scholar 

Li J, Yang Y, Li Z, Fan S, Wang X, Yang Z et al (2022) Redo laparoscopic pyeloplasty for recurrent ureteropelvic junction obstruction: propensity score matched analyses of a high-volume center. Front Pediatr 10:997196

Article  PubMed  PubMed Central  Google Scholar 

Thomas JC, DeMarco RT, Donohoe JM, Adams MC, Pope JC IV, Brock JW III (2005) Management of the failed pyeloplasty: a contemporary review. J Urol 174(6):2363–2366. https://doi.org/10.1097/01.ju.0000180420.11915.31

Article  CAS  PubMed  Google Scholar 

Sen H, Bayrak O, Yilmaz AE, Turgut O, Ozturk M, Erturhan S et al (2021) Evaluation of the results of laser endopyelotomy with two different technique in ureteropelvic junction obstruction. J Pediatr Urol 17(3):397.e1-397.e6. https://doi.org/10.1016/j.jpurol.2021.01.035

Article  PubMed  Google Scholar 

Elabd SA, Elbahnasy AM, Farahat YA, Soliman MG, Taha MR, Elgarabawy MA, Figenshau R (2009) Minimally-invasive correction of ureteropelvic junction obstruction: do retrograde endo-incision techniques still have a role in the era of laparoscopic pyeloplasty? Ther Adv Urol 1(5):227–234. https://doi.org/10.1177/1756287210362070

Article  PubMed  PubMed Central  Google Scholar 

Kolvatzis M, Corrales M, Moretto S, Quarà A, Traxer O (2025) Long-term results of retrograde endopyelotomy: a narrative review. World J Urol 43(1):260. https://doi.org/10.1007/s00345-025-05618-0

Article  PubMed  Google Scholar 

Esposito C, Blanc T, Patkowski D, Lopez PJ, Masieri L, Spinoit AF, Escolino M (2022) Laparoscopic and robot-assisted ureterocalicostomy for treatment of primary and recurrent pelvi-ureteric junction obstruction in children: a multicenter comparative study with laparoscopic and robot-assisted Anderson-Hynes pyeloplasty. Int Urol Nephrol 54(10):2503–2509

Article  PubMed  PubMed Central