{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,5]],"date-time":"2026-05-05T16:15:55Z","timestamp":1777997755737,"version":"3.51.4"},"reference-count":23,"publisher":"Springer Science and Business Media LLC","issue":"1","license":[{"start":{"date-parts":[[2026,5,5]],"date-time":"2026-05-05T00:00:00Z","timestamp":1777939200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.springernature.com\/gp\/researchers\/text-and-data-mining"},{"start":{"date-parts":[[2026,5,5]],"date-time":"2026-05-05T00:00:00Z","timestamp":1777939200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.springernature.com\/gp\/researchers\/text-and-data-mining"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["World J Urol"],"DOI":"10.1007\/s00345-026-06445-7","type":"journal-article","created":{"date-parts":[[2026,5,5]],"date-time":"2026-05-05T15:46:02Z","timestamp":1777995962000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Efficacy and safety of antegrade ureteroscopic lithotripsy versus retrograde ureteroscopic lithotripsy in the treatment of upper ureteric stones measuring &gt; 10 mm in maximum dimension and\/or impacted stones: randomized comparative study"],"prefix":"10.1007","volume":"44","author":[{"given":"Mohamed","family":"Wishahi","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mohammad","family":"Attaby","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rafik","family":"El Halaby","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ahmad G.","family":"Elbaz","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mohamed","family":"Hasan","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2026,5,5]]},"reference":[{"issue":"5","key":"6445_CR1","doi-asserted-by":"publisher","first-page":"448","DOI":"10.22037\/uj.v0i0.4538","volume":"16","author":"SH Mousavi Bahar","year":"2019","unstructured":"Mousavi Bahar SH, Amirhassani S, Nouralizadeh A, ZerafatJou N, Rasiuli J (2019) Percutaneous nephrolithotomy versus laparoscopy in the management of large proximal ureteral stones: the experience of two different settings. Urol J 16(5):448\u2013452. https:\/\/doi.org\/10.22037\/uj.v0i0.4538","journal-title":"Urol J"},{"issue":"8","key":"6445_CR2","doi-asserted-by":"publisher","first-page":"1687","DOI":"10.1007\/s00345-018-2561-7","volume":"37","author":"T Deng","year":"2019","unstructured":"Deng T, Chen Y, Liu B et al (2019) Systematic review and cumulative analysis of the managements for proximal impacted ureteral stones. World J Urol 37(8):1687\u20131701. https:\/\/doi.org\/10.1007\/s00345-018-2561-7","journal-title":"World J Urol"},{"issue":"3","key":"6445_CR3","doi-asserted-by":"publisher","first-page":"475","DOI":"10.1016\/j.eururo.2015.07.041","volume":"69","author":"C T\u00fcrk","year":"2016","unstructured":"T\u00fcrk C, Pet\u0159\u00edk A, Sarica K et al (2016) EAU guidelines on interventional treatment for urolithiasis. Eur Urol 69(3):475\u2013482. https:\/\/doi.org\/10.1016\/j.eururo.2015.07.041","journal-title":"Eur Urol"},{"issue":"1","key":"6445_CR4","doi-asserted-by":"publisher","first-page":"57","DOI":"10.5173\/ceju.2021.0174.R1","volume":"74","author":"Y G\u00fcler","year":"2021","unstructured":"G\u00fcler Y, Erbin A (2021) Comparative evaluation of retrograde intrarenal surgery, antegrade ureterorenoscopy and laparoscopic ureterolithotomy in the treatment of impacted proximal ureteral stones larger than 1.5 cm. Cent European J Urol 74(1):57\u201363. https:\/\/doi.org\/10.5173\/ceju.2021.0174.R1","journal-title":"Cent European J Urol"},{"issue":"3","key":"6445_CR5","doi-asserted-by":"publisher","first-page":"248","DOI":"10.1089\/end.2018.0667","volume":"33","author":"KJ Chung","year":"2019","unstructured":"Chung KJ, Kim JH, Min GE et al (2019) Changing trends in the treatment of nephrolithiasis in the real world. J Endourol 33(3):248\u2013253. https:\/\/doi.org\/10.1089\/end.2018.0667","journal-title":"J Endourol"},{"issue":"6","key":"6445_CR6","doi-asserted-by":"publisher","first-page":"441","DOI":"10.1089\/end.1999.13.441","volume":"13","author":"PN Maheshwari","year":"1999","unstructured":"Maheshwari PN, Oswal AT, Andankar M, Nanjappa KM, Bansal M (1999) Is antegrade ureteroscopy better than retrograde ureteroscopy for impacted large upper ureteral calculi? J Endourol 13(6):441\u2013444. https:\/\/doi.org\/10.1089\/end.1999.13.441","journal-title":"J Endourol"},{"issue":"1","key":"6445_CR7","doi-asserted-by":"publisher","first-page":"48","DOI":"10.4103\/iju.IJU_89_18","volume":"35","author":"A Bhat","year":"2019","unstructured":"Bhat A, Singh V, Bhat M, Khandelwal N, Bhat A (2019) Comparison of antegrade percutaneous versus retrograde ureteroscopic lithotripsy for upper ureteric calculus for stone clearance, morbidity, and complications. Indian J Urol 35(1):48\u201353. https:\/\/doi.org\/10.4103\/iju.IJU_89_18","journal-title":"Indian J Urol"},{"issue":"1","key":"6445_CR8","doi-asserted-by":"publisher","first-page":"64","DOI":"10.1590\/S1677-5538.IBJU.2019.0638","volume":"47","author":"M\u0130 G\u00f6kce","year":"2021","unstructured":"G\u00f6kce M\u0130, Akpinar \u00c7, Obaid K, S\u00fcer E, G\u00fclpinar \u00d6, Bed\u00fck Y (2021) Comparison of retrograde ureterorenoscopy (URS) and percutaneous anterograde ureteroscopy for removal of impacted upper ureteral stones >\u200910mm in the elderly population. Int Braz J Urol 47(1):64\u201370. https:\/\/doi.org\/10.1590\/S1677-5538.IBJU.2019.0638","journal-title":"Int Braz J Urol"},{"key":"6445_CR9","doi-asserted-by":"publisher","DOI":"10.1155\/2016\/6521461","volume":"2016","author":"S Sfoungaristos","year":"2016","unstructured":"Sfoungaristos S, Mykoniatis I, Isid A et al (2016) Retrograde versus antegrade approach for the management of large proximal ureteral stones. BioMed Res Int 2016:6521461. https:\/\/doi.org\/10.1155\/2016\/6521461","journal-title":"BioMed Res Int"},{"issue":"3","key":"6445_CR10","doi-asserted-by":"publisher","first-page":"176","DOI":"10.1080\/2090598X.2020.1769385","volume":"18","author":"O Elgebaly","year":"2020","unstructured":"Elgebaly O, Abdeldayem H, Idris F, Elrifai A, Fahmy A (2020) Antegrade mini-percutaneous flexible ureteroscopy versus retrograde ureteroscopy for treating impacted proximal ureteric stones of 1\u20132 cm: a prospective randomised study. Arab J Urol 18(3):176\u2013180. https:\/\/doi.org\/10.1080\/2090598X.2020.1769385","journal-title":"Arab J Urol"},{"issue":"12","key":"6445_CR11","doi-asserted-by":"publisher","first-page":"3731","DOI":"10.1007\/s00345-023-04672-w","volume":"41","author":"A Mohey","year":"2023","unstructured":"Mohey A, Abdelfattah AA, Mohammed AE, Marzouk A, El-Dakhakhny AS (2023) Comparative study between antegrade flexible ureteroscopy and reterograde intrarenal surgery in the management of impacted upper ureteric stones 1.5 cm or larger. World J Urol 41(12):3731\u20133736. https:\/\/doi.org\/10.1007\/s00345-023-04672-w","journal-title":"World J Urol"},{"key":"6445_CR12","unstructured":"- T\u00fcrk C, Neisius A, Petrik A, Seitz C, Skolarikos A, Thomas K (2020) Guidelines on urolithiasis. European association of urology; Available from: https:\/\/uroweb.org\/guideline\/urolithiasis\/#3"},{"key":"6445_CR13","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-030-82351-1_9","volume-title":"Advanced Ureteroscopy","author":"AT - Tokarski","year":"2022","unstructured":"- Tokarski AT, Bagley DH (2022) Antegrade Ureteroscopy. In: Hubosky SG, Grasso M III, Traxer O, Bagley DH (eds) Advanced Ureteroscopy. Springer, Cham. https:\/\/doi.org\/10.1007\/978-3-030-82351-1_9"},{"issue":"5","key":"6445_CR14","doi-asserted-by":"publisher","first-page":"481","DOI":"10.1007\/s00240-018-1098-y","volume":"47","author":"F Ozgor","year":"2019","unstructured":"Ozgor F, Sahan M, Cubuk A, Ortac M, Ayranci A, Sarilar O (2019) Factors affecting infectious complications following flexible ureterorenoscopy. Urolithiasis 47(5):481\u2013486. https:\/\/doi.org\/10.1007\/s00240-018-1098-y","journal-title":"Urolithiasis"},{"issue":"3","key":"6445_CR15","doi-asserted-by":"publisher","first-page":"1179","DOI":"10.21037\/tau-20-1296","volume":"10","author":"K Taguchi","year":"2021","unstructured":"Taguchi K, Hamamoto S, Osaga S et al (2021) Comparison of antegrade and retrograde ureterolithotripsy for proximal ureteral stones: a systematic review and meta-analysis. Transl Androl Urol 10(3):1179\u20131191. https:\/\/doi.org\/10.21037\/tau-20-1296","journal-title":"Transl Androl Urol"},{"key":"6445_CR16","doi-asserted-by":"publisher","first-page":"205","DOI":"10.1016\/j.ijsu.2020.06.025","volume":"80","author":"S - Lai","year":"2020","unstructured":"- Lai S, Jiao B, Diao T et al (2020) Optimal management of large proximal ureteral stones (>\u200910\u00a0mm): A systematic review and meta-analysis of 12 randomized controlled trials. Int J Surg 80:205\u2013217. https:\/\/doi.org\/10.1016\/j.ijsu.2020.06.025","journal-title":"Int J Surg"},{"issue":"1","key":"6445_CR17","doi-asserted-by":"publisher","first-page":"81","DOI":"10.1016\/j.ajur.2021.05.007","volume":"9","author":"S Poudyal","year":"2022","unstructured":"Poudyal S (2022) Current insights on haemorrhagic complications in percutaneous nephrolithotomy. Asian J Urol 9(1):81\u201393. https:\/\/doi.org\/10.1016\/j.ajur.2021.05.007","journal-title":"Asian J Urol"},{"issue":"4","key":"6445_CR18","doi-asserted-by":"publisher","first-page":"223","DOI":"10.3978\/j.issn.2223-4683.2012.12.01","volume":"1","author":"E Taylor","year":"2012","unstructured":"Taylor E, Miller J, Chi T, Stoller ML (2012) Complications associated with percutaneous nephrolithotomy. Transl Androl Urol 1(4):223\u2013228. https:\/\/doi.org\/10.3978\/j.issn.2223-4683.2012.12.01","journal-title":"Transl Androl Urol"},{"issue":"11","key":"6445_CR19","doi-asserted-by":"publisher","first-page":"E608","DOI":"10.5489\/cuaj.7114","volume":"15","author":"A G\u00fczel","year":"2021","unstructured":"G\u00fczel A, Oksay T, Ozturk SA, Soyupek AS, Ozorak A, Kosar A (2021) Costovertebral angle as a novel tool for predicting the thoracic complication risk following percutaneous nephrolithotomy requiring supracostal access. Can Urol Assoc J 15(11):E608\u2013E613. https:\/\/doi.org\/10.5489\/cuaj.7114","journal-title":"Can Urol Assoc J"},{"issue":"3","key":"6445_CR20","doi-asserted-by":"publisher","first-page":"883","DOI":"10.1007\/s00345-020-03259-z","volume":"39","author":"RM Patel","year":"2021","unstructured":"Patel RM, Jefferson FA, Owyong M et al (2021) Characterization of intracalyceal pressure during ureteroscopy. World J Urol 39(3):883\u2013889. https:\/\/doi.org\/10.1007\/s00345-020-03259-z","journal-title":"World J Urol"},{"issue":"4","key":"6445_CR21","doi-asserted-by":"publisher","DOI":"10.3390\/jcm12041457","volume":"12","author":"L Villa","year":"2023","unstructured":"Villa L, Dioni P, Candela L et al (2023) Understanding the role of ureteral access sheath in preventing post-operative infectious complications in stone patients treated with ureteroscopy and Ho:YAG laser lithotripsy: results from a tertiary care referral center. J Clin Med 12(4):1457. https:\/\/doi.org\/10.3390\/jcm12041457","journal-title":"J Clin Med"},{"issue":"9","key":"6445_CR22","doi-asserted-by":"publisher","first-page":"576","DOI":"10.1016\/j.acuroe.2020.11.010","volume":"45","author":"G Bozzini","year":"2021","unstructured":"Bozzini G, Bevilacqua L, Besana U et al (2021) Ureteral access sheath-related injuries vs. post-operative infections. is sheath insertion always needed? A prospective randomized study to understand the lights and shadows of this practice. Actas Urol\u00f3gicas Espa\u00f1olas (English Edition) 45(9):576\u2013581. https:\/\/doi.org\/10.1016\/j.acuroe.2020.11.010","journal-title":"Actas Urol\u00f3gicas Espa\u00f1olas (English Edition)"},{"issue":"1","key":"6445_CR23","doi-asserted-by":"publisher","first-page":"96","DOI":"10.1186\/s12894-023-01270-1","volume":"23","author":"M Wishahi","year":"2023","unstructured":"Wishahi M, El Feel A, Elkhouly A et al (2023) Concerns about stone free rate and procedure events of percutaneous nephrolithotripsy (PCNL) for 2\u20134 cm kidney stones by standard-PCNL vs mini-PCNL- comparative randomised study. BMC Urol 23(1):96. https:\/\/doi.org\/10.1186\/s12894-023-01270-1","journal-title":"BMC Urol"}],"container-title":["World Journal of Urology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s00345-026-06445-7.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/article\/10.1007\/s00345-026-06445-7","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s00345-026-06445-7.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,5,5]],"date-time":"2026-05-05T15:46:06Z","timestamp":1777995966000},"score":1,"resource":{"primary":{"URL":"https:\/\/link.springer.com\/10.1007\/s00345-026-06445-7"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,5,5]]},"references-count":23,"journal-issue":{"issue":"1","published-online":{"date-parts":[[2026,12]]}},"alternative-id":["6445"],"URL":"https:\/\/doi.org\/10.1007\/s00345-026-06445-7","relation":{},"ISSN":["1433-8726"],"issn-type":[{"value":"1433-8726","type":"electronic"}],"subject":[],"published":{"date-parts":[[2026,5,5]]},"assertion":[{"value":"14 February 2026","order":1,"name":"received","label":"Received","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"27 April 2026","order":2,"name":"accepted","label":"Accepted","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"5 May 2026","order":3,"name":"first_online","label":"First Online","group":{"name":"ArticleHistory","label":"Article History"}},{"order":1,"name":"Ethics","group":{"name":"EthicsHeading","label":"Declarations"}},{"value":"The authors declare no competing interests.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Conflict of interest"}},{"value":"All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional research committee and with the 1964 Helsinki Declaration and its later amendments. Study protocol was approved by the Medical Research Ethical Committee of Faculty of Medicine, Ain Shams University, Cairo, Egypt. (Approval number: FAMSU M D 23\/2021).","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethical approval"}},{"value":"All patients gave an informed consent to take part in the study.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent to participate"}},{"value":"Not applicable, the manuscript does not have any individual person\u2019s data in any form.","order":5,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent for publication"}},{"value":"Informed consent was signed by all patients included in the study after explaining the benefits and risks of the procedure.","order":6,"name":"Ethics","group":{"name":"EthicsHeading","label":"Informed consent"}}],"article-number":"340"}}