Clinical analysis of percutaneous nephrolithotomy in the treatment of 37 cases with complex renal calculi

Objective To investigate the methods and efficacy of percutaneous nephrolithotomy(PCNL) in the treatment of complex renal calculi.Methods Clinical data of 37 cases with percutaneous nephrolithotomy for treatment of complex renal calculi were analyzed retrospectively,including 22 cases of ultrasound lithotripsy and 16 cases of combining pneumatic and ultrasound lithotripsy.Results The operative time of 37 cases were 90-200 minutes,the mean was 130 minutes.The rate of residual tones was 27.27% in the ultrasound lithotripsy,and 13.33% in the combining pneumatic and ultrasound lithotripsy,but cured in the second lithotripsy.The average hospitalization was 9.5 days.No complications occurred during 1 to 12 months follow-up.Conclusion PCNL has advantages of little trauma,fast recovery,few complication,less complications,safe,high cleaning rate and repeat.PCNL may be a good method for treating complex renal calculi.