NHẬN XÉT KẾT QUẢ SỚM TÁN SỎI THẬN NGƯỢC DÒNG BẰNG NỘI SOI ỐNG MỀM CÓ KIỂM SOÁT ÁP LỰC BỂ THẬN TẠI BỆNH VIỆN NHÂN DÂN 115

Abstract

Objective: The study aims to evaluate the early outcomes of retrograde flexible ureteroscopic lithotripsy for kidney stones using pressure controlled at People’s Hospital 115 and to investigate factors associated with treatment outcomes. Materials and Methods: A retrospective case-series study was conducted, collecting data from medical records between January 2023 and December 2024. Inclusion criteria encompassed patients diagnosed with kidney stones and indicated for retrograde flexible ureteroscopic lithotripsy using pressure controlled at People’s Hospital 115. Data were analyzed using SPSS 23.0. Results: The study included 112 patients with a mean age of 53.8 ± 12.0 years and a male-to-female ratio of 43.8%/56.2%. The primary symptom was flank pain (99.1%). The mean stone size was 14.6 ± 5.5 mm. Stone locations were as follows: renal pelvis (47.3%), lower calyx (48.2%), upper calyx (2.7%), and middle calyx (1.8%). Positive urine cultures were found in 18 patients, and 110 patients (98.2%) had a JJ stent placed preoperatively. The mean operative time was 81.0 ± 32.4 minutes, and the average postoperative hospital stay was 1.96 ± 1.45 days. The immediate stone-free rate was 85.7%, increasing to 87.5% after one month. Complications classified as Clavien-Dindo grade I-II occurred in 5.4%, while grade III complications were recorded in 1 patient (0.89%) and grade IV complications in 2 patients (1.78%), with no reported mortality. Immediate and one-month stone-free rates were significantly associated with stone location and the renal pelvis-lower calyx angle (p<0.05). Conclusion: Retrograde flexible ureteroscopic lithotripsy is a safe and effective procedure with a high success rate, low complication rate, and short postoperative recovery time. The study provides scientific evidence to enhance the quality of kidney stone treatment.