Abstract
Purpose
The goal of this study is to evaluate the efficacy and safety of modified triangular double-J (DJ) stent in 1–2 cm renal or ureter calculi after retrograde intrarenal surgery (RIRS) via a randomized, controlled clinical study.
Methods
A total of 196 patients with 1–2 cm renal or ureter calculi who were performed RIRS and received 7Fr modified triangular DJ stents (100 cases) or 6Fr normal DJ stents (96 cases). All operations were performed by experienced surgeons. The clinical characteristics and outcomes were analyzed.
Results
There were no significant differences between two groups in terms of age, gender, BMI, location, hydronephrosis, urea WBC, urea RBC, BUN, Cr, laser emission time, operation time, Hb loss, postoperative BUN, postoperative Cr. Patients who received modified triangular DJ stents were shown to have higher stone-free rate (p = 0.038), but lower general health (p = 0.004).
Conclusion
The modified triangular 7Fr DJ stents were more efficient for patients underwent RIRS than 6Fr normal DJ stents.
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Data availability
All data generated or analyzed during this study were included in this. Further enquiries can be directed to the corresponding author.
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Funding
Supported by Beijing Municipal Administration of Hospitals Clinical Medicine Development of Special Funding, code: XMLX202118.
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XZ: contributed to data analysis, manuscript writing. BX: contributed to data analysis, manuscript writing. Weiguo Hu contributed to data analysis, manuscript writing. CL: contributed to data collection. HX: contributed to data collection. LX: contributed to data collection. WY: contributed to data collection. FA: contributed to data collection. ZC: contributed to data collection. FZ: contributed to data collection. ZZ: contributed to data collection. JB: contributed to data collection. YL: contributed to data collection. JL: contributed to project development.
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All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. The clinical trial was registered at Beijing Tsinghua Changgung Hospital (Chinese Clinical Trial Registry, Registration number ChiCTR1800014947, approved by Beijing Tsinghua Changgung Hospital Medical Ethic Committee No.17120–0-04).
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Zeng, X., Xiao, B., Hu, W. et al. A modified triangular Double-J stent for retrograde intrarenal surgery improvement of free-stone rate, and quality of life: a randomized controlled, multiple centers, perspective trial. World J Urol 41, 1653–1658 (2023). https://doi.org/10.1007/s00345-023-04392-1
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DOI: https://doi.org/10.1007/s00345-023-04392-1