{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,31]],"date-time":"2025-12-31T19:02:39Z","timestamp":1767207759766,"version":"build-2238731810"},"reference-count":26,"publisher":"PAGEPress Publications","license":[{"start":{"date-parts":[[2023,12,28]],"date-time":"2023-12-28T00:00:00Z","timestamp":1703721600000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Arch Ital Urol Androl"],"abstract":"<jats:p>Objective: To assess the surgical results of patients who underwent retrograde intrarenal surgery (RIRS) using a ureteral access sheath (UAS) for management of renal stones sized 1-2 cm compared between patients who did and did not undergo preoperative ureteral stenting. Materials and methods: This prospective study included 83 patients (aged \u2265 20 years) who underwent RIRS from July 2021 to January 2023. All patients had renal calculi (stone size: 1-2 cm) located within the pelvicalyceal system. 43 and 40 patients were allocated to the non-prestent (group A) and prestent (group B), respectively. Patient baseline characteristics, renal stone details, operative data, stone-free rate (SFR) at 4 weeks and 6 months, and perioperative complications were compared between groups. Results: The baseline characteristics of all patients were comparable across the groups. Four weeks after surgery, the overall stone-free rate (SFR) stood at 62.65%. In the non-prestent and prestent groups, the SFRs were 58.12% and 67.5%, respectively (p = 0.89). By the sixth month post-surgery, the overall SFR rose to 80.72%. In the non-prestent and prestent groups, the SFRs were 76.74% and 85%, respectively (p = 0.081). No notable differences emerged in other variables, including perioperative complications, between the two groups. Conclusions: The SFR showed no significant difference between the prestenting and non-prestenting groups at the 4-week and 6-month postoperative marks. Additionally, there were no substantial differences in complications during surgery and recovery between the groups. Notably, the SFR increased from 4 weeks to 6 months without any additional procedures in either group.<\/jats:p>","DOI":"10.4081\/aiua.2023.12102","type":"journal-article","created":{"date-parts":[[2023,12,28]],"date-time":"2023-12-28T04:01:58Z","timestamp":1703736118000},"source":"Crossref","is-referenced-by-count":0,"title":["Effect of preoperative ureteral stenting on the surgical outcomes of patients with 1-2 cm renal stones managed by retrograde intrarenal surgery using a ureteral access sheath"],"prefix":"10.4081","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2640-3425","authenticated-orcid":false,"given":"Tamer A.","family":"Abouelgreed","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0009-0008-9524-8629","authenticated-orcid":false,"given":"Mohamed A.","family":"Elhelaly","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"El-Sayed I.","family":"El-Agamy","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rasha","family":"Ahmed","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yasser M.","family":"Haggag","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M.","family":"Abdelwadood","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Salma F.","family":"Abdelkader\u00a0\u00a0","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sameh S.","family":"Ali\u00a0","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Naglaa M.","family":"Aboelsoud","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mosab F.","family":"Alassal\u00a0","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gehad A.","family":"Bashir","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6760-3795","authenticated-orcid":false,"given":"Tarek","family":"Gharib","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"2549","published-online":{"date-parts":[[2023,12,28]]},"reference":[{"key":"106443","doi-asserted-by":"crossref","unstructured":"De Coninck V, et al. Systematic review of ureteral access sheaths: facts and myths. BJU Int. 2018; 122:959-969.","DOI":"10.1111\/bju.14389"},{"key":"106444","doi-asserted-by":"crossref","unstructured":"Kaplan AG, et al. Use of ureteral access sheaths in ureteroscopy. Nat Rev Urol. 2016; 13:135-140.","DOI":"10.1038\/nrurol.2015.271"},{"key":"106445","doi-asserted-by":"crossref","unstructured":"Basem A. Fathi, Ahmed A. Elgammal, Tamer A. Abouelgreed, et al. The outcomes of flexible ureteroscopy for renal calculi of 2 cm or more with and without the use of ureteral access sheath: A retrospective study. Arch Ital Urol Androl. 2023; 95:1 https:\/\/doi.org\/10.4081\/aiua.2023.11524","DOI":"10.4081\/aiua.2023.11524"},{"key":"106446","doi-asserted-by":"crossref","unstructured":"Lumma PP, et al. Impact of ureteral stenting prior to ureterorenoscopy on stone-free rates and complications, World J Urol. 2013; 31:855-859.","DOI":"10.1007\/s00345-011-0789-6"},{"key":"106447","doi-asserted-by":"crossref","unstructured":"Yuk HD, et al. The effect of preoperative ureteral stenting in retrograde Intrarenal surgery: a multicenter, propensity score-matched study. BMC Urol. 2020; 20:147.","DOI":"10.1186\/s12894-020-00715-1"},{"key":"106448","doi-asserted-by":"crossref","unstructured":"Traxer O, Thomas A. Prospective evaluation and classification of ureteral wall injuries resulting from insertion of a ureteral access sheath during retrograde intrarenal surgery. J Urol. 2013; 189:580-584.","DOI":"10.1016\/j.juro.2012.08.197"},{"key":"106449","doi-asserted-by":"crossref","unstructured":"Pietropaolo A, et al. Endourologic management (PCNL, URS, swl) of stones in solitary kidney: a systematic review from European association of urologist\u2019s young academic urologists and uro-technology groups. J Endourol. 2020; 34:7-17.","DOI":"10.1089\/end.2019.0455"},{"key":"106450","doi-asserted-by":"crossref","unstructured":"Chung BI, et al. Ureteroscopic versus percutaneous treatment for medium-size (1-2-cm) renal calculi, J. Endourol. 2008; 22:343-346.","DOI":"10.1089\/end.2006.9865"},{"key":"106451","doi-asserted-by":"crossref","unstructured":"Ghani KR, Wolf JS Jr. What is the stone-free rate following flexible ureteroscopy for kidney stones? Nat Rev Urol. 2015; 12:281-288.","DOI":"10.1038\/nrurol.2015.74"},{"key":"106452","doi-asserted-by":"crossref","unstructured":"Jones P, et al. Outcomes of ureteroscopy (URS) for stone disease in the paediatric population: results of over 100 URS procedures from a UK tertiary centre, World J. 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