Risk factors and predictive model for incidence of difficult ureter during retrograde ureteroscopic lithotripsy.

Yuma Waseda Ryoji TakazawaMasaki KobayashiHonoka FuseTakashi Tamiya

Published in: International journal of urology : official journal of the Japanese Urological Association (2022)

The greatest risk factor for the incidence of difficult ureter was the absence of stone history, followed by age 45 years or younger, and having only renal stones. In high-risk cases of difficult ureter, the possibility of secondary lithotripsy should be explained to the patients.

Keyphrases

urinary tract
risk factors
end stage renal disease
ejection fraction
newly diagnosed
chronic kidney disease
prognostic factors
peritoneal dialysis