{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,30]],"date-time":"2026-09-30T17:49:08Z","timestamp":1790790548725,"version":"4.1.0"},"reference-count":28,"publisher":"SAGE Publications","issue":"2","license":[{"start":{"date-parts":[[2025,2,1]],"date-time":"2025-02-01T00:00:00Z","timestamp":1738368000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Journal of Endourology"],"published-print":{"date-parts":[[2025,2]]},"abstract":"<jats:sec>\n                    <jats:title>Objective:<\/jats:title>\n                    <jats:p>To evaluate the efficacy and safety of a novel tip-flexible suction ureteral access sheath (NTFS-UAS) combined with flexible ureteroscopic lithotripsy (FURS) for treating kidney stones \u226530 mm in a large cohort.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods:<\/jats:title>\n                    <jats:p>The clinical data of 206 patients with renal calculi \u226530 mm treated by NTFS-UAS combined with FURS from June 2021 to September 2023 were analyzed retrospectively. The outcomes under investigation encompassed demographic information, stone-related characteristics, operative time, stone-free rates (SFRs), and postoperative complications.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>\n                      The median operation duration was 110 minutes (interquartile 84.00\u2013146.25 minutes). Immediate and 1-month SFRs were 83.98% and 85.44%, respectively. Multivariate analysis revealed five risk factors independently affecting stone clearance rate: stone size (\u226550 mm, odds ratio [OR] = 3.826,\n                      <jats:italic toggle=\"yes\">p<\/jats:italic>\n                      = 0.039), stone number (multiple: OR = 8.745,\n                      <jats:italic toggle=\"yes\">p<\/jats:italic>\n                      = 0.015), stone location (multiple calyces: OR = 10.371,\n                      <jats:italic toggle=\"yes\">p<\/jats:italic>\n                      = 0.045; lower calyx: OR = 9.615,\n                      <jats:italic toggle=\"yes\">p<\/jats:italic>\n                      = 0.047), severe hydronephrosis (OR = 8.338,\n                      <jats:italic toggle=\"yes\">p<\/jats:italic>\n                      = 0.002), and the Resorlu-Unsal scoring system (RUSS) score (6\u20137: OR = 10.829,\n                      <jats:italic toggle=\"yes\">p<\/jats:italic>\n                      = 0.009; 4\u20135: OR = 4.223,\n                      <jats:italic toggle=\"yes\">p<\/jats:italic>\n                      = 0.008). The incidence of Clavien\u2013Dindo grade II\u2013III complication was 5.82%. Positive preoperative urine culture (OR = 9.533,\n                      <jats:italic toggle=\"yes\">p<\/jats:italic>\n                      = 0.012) and RUSS score (6\u20137: OR = 25.678,\n                      <jats:italic toggle=\"yes\">p<\/jats:italic>\n                      = 0.026; 4\u20135: OR = 11.444,\n                      <jats:italic toggle=\"yes\">p<\/jats:italic>\n                      = 0.038) were identified as the most important variables that may contribute to the development of high-grade postoperative complications.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion:<\/jats:title>\n                    <jats:p>NFTS-UAS combined with FURS achieved satisfactory outcomes with good efficacy and safety for treating large renal stones \u226530 mm, and it can be utilized as an effective treatment option for patients having contraindications or preference against percutaneous nephrolithotomy. In addition, clinical factors, such as stone size, severe hydronephrosis, positive preoperative urine culture, and RUSS stone score that likely affected the outcomes of NFTS-UAS, should be fully taken into account when the surgeon performing FURS using NFTS-UAS.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1089\/end.2024.0283","type":"journal-article","created":{"date-parts":[[2024,11,27]],"date-time":"2024-11-27T04:03:34Z","timestamp":1732680214000},"page":"135-145","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":20,"title":["A Feasibility Study on the Efficacy and Safety of a Novel Tip-Flexible Suction Ureteral Access Sheath Combined with Flexible Ureteroscopic Lithotripsy for Treating Kidney Stones \u226530 mm"],"prefix":"10.1177","volume":"39","author":[{"given":"Wenwei","family":"Chen","sequence":"first","affiliation":[{"name":"Department of Urology, Urology Research Institute, The First Affiliated Hospital, Fujian Medical University, Fuzhou, China."},{"name":"Department of Urology, National Regional Medical Center, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou, China."},{"name":"Fujian Key Laboratory of Precision Medicine for Cancer, The First Affiliated Hospital, Fujian Medical University, Fuzhou, China."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kaixin","family":"Lu","sequence":"additional","affiliation":[{"name":"Department of Urology, Urology Research Institute, The First Affiliated Hospital, Fujian Medical University, Fuzhou, China."},{"name":"Department of Urology, National Regional Medical Center, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou, China."},{"name":"Fujian Key Laboratory of Precision Medicine for Cancer, The First Affiliated Hospital, Fujian Medical University, Fuzhou, China."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Changyi","family":"Liu","sequence":"additional","affiliation":[{"name":"Department of Urology, Urology Research Institute, The First Affiliated Hospital, Fujian Medical University, Fuzhou, China."},{"name":"Department of Urology, National Regional Medical Center, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou, China."},{"name":"Fujian Key Laboratory of Precision Medicine for Cancer, The First Affiliated Hospital, Fujian Medical University, Fuzhou, China."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jinfeng","family":"Weng","sequence":"additional","affiliation":[{"name":"Department of Urology, Urology Research Institute, The First Affiliated Hospital, Fujian Medical University, Fuzhou, China."},{"name":"Department of Urology, National Regional Medical Center, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou, China."},{"name":"Fujian Key Laboratory of Precision Medicine for Cancer, The First Affiliated Hospital, Fujian Medical University, Fuzhou, China."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rui","family":"Gao","sequence":"additional","affiliation":[{"name":"Department of Urology, Urology Research Institute, The First Affiliated Hospital, Fujian Medical University, Fuzhou, China."},{"name":"Department of Urology, National Regional Medical Center, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou, China."},{"name":"Fujian Key Laboratory of Precision Medicine for Cancer, The First Affiliated Hospital, Fujian Medical University, Fuzhou, 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