Management of lower and middle ureteral calculi "in situ" using the Dornier MFL-5000 lithotripter.
A new successful approach in treating lower and middle ureteral calculi in situ was undertaken utilizing the Dornier MFL-5000.  From August 19, 1989 to February 7, 1990, 46 consecutive cases were treated representing 60 stones (54 lower, 6 middle).  The average size of treated stones was 12 mm.  Ten cases (21.1%) had two stones and two cases (4.2%) had three stones.  Stones were not displaced and no ureteral catheter was used except in one case, a female, 28 years of age, with a lower ureteral stone, where the stone had to be displaced proximally using a double balloon ureteral catheter to follow FDA protocol in order to avoid the ovaries.  Minimal IV sedation was required in 97.7% of the patients and only 2.1% required general anesthesia.  Different positioning techniques were implemented.  One (2.1%) out of 46 cases required retreatment.  The average length of stay in the hospital was 1.2 days.  No complications occurred to date. Follow-up, 48 hours post-treatment, revealed 94.6% stone-free.  At 3 month's follow-up, 100% were stone-free.
Urology Department, Victory Memorial Hospital, Brooklyn, New York.
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D000328:Adult; D004867:Equipment Design; D005069:Evaluation Studies as Topic; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008096:Lithotripsy / Q000295:instrumentation*; D008297:Male; D014514:Ureteral Calculi / Q000628:therapy*