Nihon Hinyokika Gakkai zasshi. The japanese journal of urology · 2003
[Ureteral stricture after ESWL for ureteral calculi].
Аннотация на английскомСтатьяНазвание и аннотация: Перевод в очереди
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Yamauchi Tomoyuki, Tsukamoto Takuji, Mori Yoshiaki, Sugiyama Ken, Fujioka Toshio
Аннотация
BACKGROUND: There are many reports on the effects of ESWL, but few reports on the complications, especially remaining ureteral stricture after this treatment. Therefore we have retrospectively reviewed our cases to define the predisposing factors of this complication.
METHODS: Since 1991 we have treated urolithiasis with ESWL using a Siemens Lithostar for the first therapy. We had 16 cases of ureteral stricture after this treatment. Ureteral stricture is the most common complication after ESWL treatment. To define the risk factor of the stricture we have compared 549 cases that were successfully treated between 1994 and 1996 without this complication. In these two groups we examined ages, sexes, chief complaints, size, position and components of the calculi, the degree of hydronephrosis, the frequency of ESWL, the presence of urinary tract infection, the duration of stone impaction and the after endourological treatment using multiple logistic regression analysis.
RESULTS: Patients with the stone incidentally found and those with the UTI seemed to be more frequently associated with ureteral stricture, however there was not a significant difference. The hydronephrosis more than grade 3 (p = 0.025), the frequency of ESWL (p = 0.0325) and the after endourological treatment, especially TUL (p = 0.0184) were statistically significant among the other factors. The stricture occurred in 5 out of 29 patients with the hydronephrosis of grade 4 and 5 between 1994 and 1996.
CONCLUSION: We should carefully treat patients with grade 3 or more hydronephrosis with ESWL. We should not repeatedly treat the patients with ESWL. We should take care of TUL treatment after ESWL.
METHODS: Since 1991 we have treated urolithiasis with ESWL using a Siemens Lithostar for the first therapy. We had 16 cases of ureteral stricture after this treatment. Ureteral stricture is the most common complication after ESWL treatment. To define the risk factor of the stricture we have compared 549 cases that were successfully treated between 1994 and 1996 without this complication. In these two groups we examined ages, sexes, chief complaints, size, position and components of the calculi, the degree of hydronephrosis, the frequency of ESWL, the presence of urinary tract infection, the duration of stone impaction and the after endourological treatment using multiple logistic regression analysis.
RESULTS: Patients with the stone incidentally found and those with the UTI seemed to be more frequently associated with ureteral stricture, however there was not a significant difference. The hydronephrosis more than grade 3 (p = 0.025), the frequency of ESWL (p = 0.0325) and the after endourological treatment, especially TUL (p = 0.0184) were statistically significant among the other factors. The stricture occurred in 5 out of 29 patients with the hydronephrosis of grade 4 and 5 between 1994 and 1996.
CONCLUSION: We should carefully treat patients with grade 3 or more hydronephrosis with ESWL. We should not repeatedly treat the patients with ESWL. We should take care of TUL treatment after ESWL.