Ureteroscopy for diagnosis and treatment of renal colic during pregnancy

Objective To evaluate the effect of ureteroscope for the diagnosis and treatment of renal colic.Methods 38 pregnant women(gestitational 12-32 weeks;mean,27 weeks) with renal colic who failed to respond to conservative treatment were treated by ureteroscopy.34 cases who found calculi in surgeon,12 cases in upper ureter and 22 cases in middle or lower ureter,were received lithotripsy with homium laser.Double-J catheter or ureteral catheters were indwelt for drainage.4 cases were treated by double-J catheter drainage.Results All the urgent symptoms in 38 cases were relieved after treatment.No ureter perforation occurred.One case has premature and 3 cases had threatened abortion.37 cases had normal deliver.7 cases were received ESWL postpartum.Conclusion Ureteroscopy is a safe and effective method for the treatment of rena colic during pregnancy.Abortion and premature delivery should be avoided as far as possible.