Department of Urology, Tsinghua University Affiliated Beijing Tsinghua Changgung Hospital, Tsinghua University Clinical Institute, No.168, Litang Road, Changping District, Beijing, 102218, China.
Department of Urology, The Second Hospital of Tianjin Medical University, Tianjin, 300070, China.
World J Urol. 2023 Jun;41(6):1653-1658. doi: 10.1007/s00345-023-04392-1. Epub 2023 Apr 13.
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.
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.
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).
The modified triangular 7Fr DJ stents were more efficient for patients underwent RIRS than 6Fr normal DJ stents.
本研究旨在通过随机对照临床试验评估改良三角双 J（DJ）支架在经逆行肾内手术（RIRS）后治疗 1-2cm 肾或输尿管结石的疗效和安全性。
共有 196 例 1-2cm 肾或输尿管结石患者接受 RIRS 治疗，并分别接受 7Fr 改良三角 DJ 支架（100 例）或 6Fr 普通 DJ 支架（96 例）治疗。所有手术均由经验丰富的外科医生完成。分析了临床特征和结果。
两组在年龄、性别、BMI、位置、肾积水、尿素 WBC、尿素 RBC、BUN、Cr、激光发射时间、手术时间、Hb 丢失、术后 BUN、术后 Cr 等方面无显著差异。接受改良三角 DJ 支架的患者结石清除率更高（p=0.038），但总体健康状况更差（p=0.004）。
与 6Fr 普通 DJ 支架相比，RIRS 术后使用 7Fr 改良三角 DJ 支架治疗患者的效果更好。
