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Suctioning Flexible Ureteroscopy With Intelligent Control of Renal Pelvic Pressure

Renal Calculi Clinical Trial

Official title:
Safety and Efficacy of Suctioning Flexible Ureteroscopy With Automatic Control of Renal Pelvic Pressure : A Clinical Randomized,Controlled Study

Clinical Trial Summary

This study evaluates the safety and efficacy of the suctioning flexible ureteroscopy(SF-URS) with automatic control of renal pelvic pressure for the treatment of upper urinary calculi using a prospective, randomized design. Half of participants will receive suctioning flexible ureteroscopy with automatic control of renal pelvic pressure, while the other half participants will receive retrograde intrarenal surgery using the classic flexible ureteroscopy.

Clinical Trial Description

Retrograde intrarenal surgery using flexible ureteroscope has become the first-line treatment for renal calculi < 3.0 cm and is recommended by the European Association of Urology due to its minimally-invasive nature and satisfactory result.

However, high perfusion rate leads to renal pelvic pressure increase, resulting in absorption of liquid, bacteria, and endotoxin into blood, followed by short-term complications such as systemic inflammatory response syndrome(SIRS , 8.1%), sepsis (0-4.5%), renal pelvic and ureteral tumor spread, and long-term complication of renal function impairment. Currently the commonly used flexible ureteroscope sheath (ureteral access sheath, UAS) reduces the renal pelvic pressure to a certain extent, but still can not control and monitor the renal pelvic pressure to reduce the incidence of complications, which, limit the clinical application of ureteroscopy.

Recently, the investigators present a novel technique of SF-URS with automatic control of renal pelvic pressure. In this study, transverse comparison is designed to evaluate the safety and efficacy of the suctioning flexible ureteroscopy with automatic control of renal pelvic pressure for the treatment of renal calculi. ;

Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Single Blind (Subject), Primary Purpose: Prevention

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT02734914
Study type Interventional
Source The Affiliated Ganzhou Hospital of Nanchang University
Contact
Status Not yet recruiting
Phase N/A
Start date May 2016
Completion date August 2018
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