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[Extracorporeal shock wave lithotripsy in situ for middle ureteral stones]
1Department of Urology, Drum Tower Hospital, Nanjing University, Nanjing 210008.
Objective:
To report the experience with in situ ESWL for patients with middle ureteral stones.
Methods:
52 patients suffering from stones with an average 11 mm (range 5 - 20 mm) in dimension were treated using modified Puigvert technique in prone position via the entry route of lateral abdomen. The patients received 3,000 - 5,000 shocks per session at the power setting ranged from 2 to 7.
Results:
The stone free rate at 3 months was achieved in 96% patients retreatment was performed in 30% patients. The therapeutic results were calculated as efficiency quotient being 74%. No severe complications occurred in all patients.
Conclusions:
In situ ESWL for middle ureteral stone is safe and effective and may serve as the first line therapy.