Evaluation of effectiveness and the safety of ultrasound-guided mini-percutaneous nephrolithotomy without retrograde ureteral catheter placement

  • Kiều Đức Vinh Bệnh viện Trung ương Quân đội 108
  • Đỗ Tuấn Anh Bệnh viện Trung ương Quân đội 108
  • Chử Lê Thanh Hùng Bệnh viện Trung ương Quân đội 108

Main Article Content

Keywords

Ureteral catheter, renal calculi, mini-percutaneous nephrolithotomy

Abstract

Objective: Evaluation of effectiveness and the safety of ultrasound-guided mini-percutaneous nephrolithotomy without retrograde ureteral catheter placement for managing upper urinary tract calculi. Subject and method: A prospective cross-sectional study of 57 patients with renal and/or upper ureteral calculi who were treated by mini-percutaneous nephrolithotomy under ultrasound guidance without retrograde ureteral catheterization from January 2024 to June 2024 at 108 Military Central Hospital. Evaluation of the success rate of puncturing into renal calyx without retrograde ureteral placing at the first time; the rate of free-stone; complications; surgical time; and postoperative time. Result: The average age was 55.8 ± 13.9 (28 - 84). There were 40 (70.2%) male patients and 17 (29.8%) female patients. The average size of the stone was 21.7 ± 5.6mm. The renal pelvis dilatation grade I, II, III, and localized renal pelvis dilatation were 15 (26.3%), 36 (63.2%), 5 (8.8%), and 1 (1.8%) patients, respectively. The first successful puncture into calyx at the first time was in 55 (96.5%) patients. Using a basket to catch ureteral stones downstream were 3 (5.3%) patients. Ureteroscopy were 1 (1.8%) patients. Stone-free results were achieved in 53 (93.0%) patients. The average surgery time was 30.2 ± 5.6 minutes. The average hospital stay was 1.7 ± 0.9 days. Postoperative fever was observed in 4 (7.0%) patients, with no serious complications. Conclusion: Ultrasound-guided mini-percutaneous nephrolithotomy without ureteral catheterization is safe, effective, and shortens surgical and postoperative time. It is well indicated for renal and upper ureteral calculi cases with hydronephrosis.

Article Details

References

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