ArticleLife (Basel, Switzerland)2024
The Evaluation of Intrarenal Pressure Using a Novel Single-Use Flexible Ureteroscope with Live Intrarenal Pressure Monitoring-An Experimental Study in Porcine Models.
Article in Life (Basel, Switzerland), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- A novel 7.5 single-use flexible ureteroscope with in-built temperature and pressure sensors: Is there a limit to reliability and safety? An in vivo experimental study.World journal of urology · 2026Article
- Prediction model for additional procedure requirement in flexible ureterorenoscopy using explainable artificial intelligence.Scientific reports · 2026Article
- Development and validation of a novel in vitro porcine model for impacted ureteral stones based on objective pressure gradient assessment.Urolithiasis · 2026Article
- Handle with care: ureteral access sheath positioning modulates intrarenal pressure-insights from an EAU endourology ex vivo study using four ureteroscope sizes.World journal of urology · 2026Article
- Automated intrarenal pressure control in flexible ureteroscopy using an integrated ureteroscope pressure measurement and fluid management system: first-in-human use.World journal of urology · 2025Observational
- Is a Ureteral Access Sheath Necessary for Maintaining Safe Intrarenal Pressures During Retrograde Lithotripsy Using a Flexible 7.5 Fr Scope and a High-Power TFL? In Vivo Experimental Study.Medicina (Kaunas, Lithuania) · 2025Article
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10 authors.
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No grant is acknowledged in the PubMed record.
Abstract
(1) Background: This study aims to evaluate how different irrigation settings and the use of ureteral access sheaths (UASs) of varying sizes impact intrarenal pressure (IRP) during flexible ureteroscopy (fURS) procedures in pigs. (2) Methods: This study utilized three anesthetized female pigs. A novel flexible ureteroscope with the ability to continuously record live intrarenal pressure was used to perform ureteroscopy in different settings. Ureteroscopy was performed without UAS and with the use of 11/13 and 12/14 UAS at the ureteropelvic junction. Two different irrigation methods were employed for each parameter: one using gravity flow and the other using manual pumping with a commercial pump. IRP was also recorded with the presence of a laser fiber or lithotripsy basket. (3) Results: The recorded mean IRP during flexible URS without UAS was 28.25 (±11.2) under gravity irrigation; 35.46 (±10.08) under manual pumping; 22.5 (±3.05) and 30.75 (±5.79) with a laser fiber under gravity irrigation and manual pumping, respectively; and 16.45 (±1.27) and 17.27 (±3.69) with a lithotripsy basket under gravity irrigation and manual pumping, respectively. With an 11/13 UAS, the mean IRP was 15.41 (±8.57) and 19.33 (±4.26) under gravity and manual pumping irrigation, respectively; 14.56 (±2.50) and 18.64 (±5.13) with a laser in each irrigation setting, respectively; and 13.10 (±3.39) and 13.86 (±4.63) with a lithotripsy basket, respectively. With a 12/14 UAS, the mean IRP was 7.64 (±3.08) and 9.25 (±1.42) under gravity and manual pumping irrigation, respectively; 9.50 (±6.04) and 10.28 (3.46), respectively, in each setting when the laser fiber was used; and 5.32 (±1.57) and 6.26 (±1.79), respectively, when the lithotripsy basket was inserted. (4) Conclusion: Novel flexible ureteroscopes with integrated pressure sensors are both a feasible and reliable tool during fURS, giving the surgeon the ability to live-track the IRP. The results of the IRP measurements with and without UAS are in accordance with the current literature and exhibit a consistent pattern with previous studies.
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