ArticleInternational urology and nephrology2025
Impact of ureteral access sheath size on intrarenal pressure evaluated by LithoVue
Article in International urology and nephrology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- The effect of intrarenal pressure on Stone-Free rates in a pilot study: is there a desired range?Urolithiasis · 2026Trial
- Intrarenal pressure monitoring in retrograde intrarenal surgery for high-infectious risk populations.World journal of urology · 2026Article
- Monitoring Intrarenal Pressure vs. Irrigation Fluid Absorption for Infection Prevention in Ureteroscopy.Advances in urology · 2026Review
- Establishing an AI-based artifact correction system for intrarenal pressure monitoring using the LithoVue™ Elite ureteroscope: an EAU endourology and AUSET collaboration : Author list.World journal of urology · 2025Article
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Authors and funding
9 authors.
Funding
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Abstract
objectiveWe aimed to assess the impact of ureteral access sheath (UAS) size on intrarenal pressure (IRP) using LithoVue
methodsA single-arm prospective study was conducted on 21 consecutive patients who underwent ureteroscopic lithotripsy using the LVE at a single center between April 2023 and April 2024. 11/13 Fr or 13/15 Fr UAS was placed in all cases based on the physician's discretion. We analyzed baseline, median, and maximum IRPs and factors associated with increased IRP (≥ 30 mmHg).
resultsMedian age was 61 (IQR: 48-66) years. Baseline, median, and maximum IRPs were 11 (IQR: 5-16), 32 (IQR: 18-67), and 159 (IQR: 111-222) mmHg, respectively. 11/13Fr and 13/15Fr UAS were utilized in 10 and 11 patients, respectively, with no significant difference in patient demographics between the two groups. The baseline, median, and maximum IRPs were significantly lower in the 13/15Fr UAS group: 5 vs. 18.5 mmHg (p = 0.001), 21 vs. 57 mmHg (p = 0.02), and 111 vs 177.5 mmHg (p = 0.01). The use of 11/13 UAS was the factor associated with an increased median IRP (≥ 30 mmHg). Sex, comorbidities, the presence of hydronephrosis, stone location, the shape of the renal pelvis, and laser size were not.
conclusionsMeasurement and monitoring of IRPs using LVE during lithotripsy are technically feasible. Our study confirmed that the use of larger UAS can decrease IRP. Further investigation is needed to clarify the clinical impact of IRP during URS.
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