[Usefulness of 99mTc-DTPA renography and diuretic renography in predicting successful stone discharge following outpatient ESWL in patients with a single ureteral stone].
We analyzed the 99mTc-DTPA renogram with and without diuresis to predict the possibility of stone discharge on the outpatient basis by renogram patterns. Between October, 1993 and December, 1995, 99mTc-DTPA renography was performed in 79 patients with a single ureteral stone. The 99mTc-DTPA renogram pattern was classified into the three types of normal function, obstruction and lower function patterns and the complete stone discharge rate was 93, 63 and 25%, respectively. In addition, diuretic renography using Furosemide was performed in patients with an obstruction pattern and the three renogram patterns of return to the normal curve, a diuretic response and no response were obtained; the complete stone discharge rate was 44, 65.3 and 93%, respectively. From this study, patients with a single ureteral stone with a normal pattern on the regular DTPA renogram and patients with no response pattern on the diuretic renogram, even if in such patients an obstructive pattern was seen on the regular DTPA renogram, seem to be a good candidate for obtaining a high rate of a stone discharge with extracorporeal shock wave lithotripsy (ESWL) treatment in the outpatients basis.
Soga
N
N
Department of Urology, Yokkaichi Health Insurance Hospital.
Komeda
Y
Y
Suzuki
R
R
Kawamura
J
J
D004232:Diuretics; D006801:Humans; D008096:Lithotripsy; D010045:Outpatients; D011866:Radioisotope Renography; D016284:Technetium Tc 99m Pentetate; D014514:Ureteral Calculi / Q000000981:diagnostic imaging* / Q000628:therapy
D004232:Diuretics; D016284:Technetium Tc 99m Pentetate