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Objective: To evaluate outcomes of artificial hydronephrosis technique in ultrasound guided percutaneous nephrolithotomy in lateral position in the treatment of non-hydronephrotic renal stones.
Methods: Between October 2016 and August 2020, eighty-five non hydronephrotic renal stone cases who underwent pure ultrasound guided percutaneous nephrostomy with artificial hydronephrosis technique in Buriram Hospital were reviewed. The outcomes, including stone-free rates, operative times, length of hospital stay, and complications were collected.
Results: A total of 85 patients composed this study, there were 43 men and 42 women, with average age 57.2 (21-87) years. Mean body mass index was 23.7±3.7 kg/m2. Mean stone size was 48.2±16.6mm, and mean stone surface area was 1299.1±816 mm2. The success rate of renal access was 98.8 %. Stone free rate was 64.7 %. Mean stone surface clearance rate was 97.3±6.0. The complications in our study were presented unsuccessful renal access in 1 case, requirement for blood transfusion in 6 cases (7.1%), transient postoperative fever 26 cases (30.6%), and urosepsis was found in 2 cases (2.6%). Mean operative time was 113.4±42.2 minutes and length of stay was 8.6±2.9 days.
Conclusions: This study found that artificial hydronephrosis were reduced the limitation of the treatment of non-hydronephrotic renal stones with ultrasound guide percutaneous nephrolithotomy. The stone-free rates and stone surface clearance rate were satisfied. The low postoperative complications and absent of radiation exposure in patients and medical personnel were considered.
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