ArticleFrontiers in urology2025
Advancing stone treatment: the transformative impact of flexible navigable suction ureteral access sheath (fans) for inferior calyx calculi (<2 cm).
Article in Frontiers in urology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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6 authors.
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Abstract
Objective: This study aimed to assess the efficacy, safety, and stone-free rates (SFR) of the application of a flexible navigable suction ureteral access sheath (FANS) in patients undergoing retrograde intrarenal surgery (RIRS) for inferior calyx calculi (<2 cm). Methods: A retrospective analysis of the clinical data of 111 patients who underwent treatment for inferior calyx calculi at Nanchang People's Hospital between January 2023 and October 2024 was performed. Patients undergoing RIRS with laser lithotripsy were evenly distributed into two groups: FANS with continuous flow lithotripsy in ureterorenolithotripsy procedures (F-Group), a conventional sheath in ureterorenolithotripsy procedures (C-Group). Results: A significantly greater stone clearance rate (96.23% vs. 81.03%, p=0.017) and shorter operative time (37.81 ± 6.07 min vs. 46.59 ± 6.36 min, p<0.001) were observed with the F-Group. Basic attributes, including demographics of patients and stone properties, the infundibulo-pelvic angle (IPA), length of hospital stay, and complications, were compared between the groups and found to be approximately the same.ConclusionsFANS significantly improves SFR without increasing postoperative complications or negatively affecting recovery, offering a promising alternative to conventional sheaths in ureterorenolithotripsy procedures for inferior calyx calculi. FANS improves kidney stone surgery outcomes, is feasible and safe for inferior calyx calculi (<2 cm).
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