To the Editor:Ureteral stricture can lead to dilation of the proximal upper urinary tract and collecting system.Stretching and loading of the ureter by long-term hydronephrosis trigger a stress relaxation effect,which...To the Editor:Ureteral stricture can lead to dilation of the proximal upper urinary tract and collecting system.Stretching and loading of the ureter by long-term hydronephrosis trigger a stress relaxation effect,which decreases the contractility of the ureter.[1]Morphological changes after surgery may not be obvious even if the obstruction is successfully relieved.Diuretic renography judges split renal function and the nature of obstruction by the uptake and excretion of radionuclides.However,it is influenced by the response of the ipsilateral kidney to diuretics.[2]Currently,there is a lack of homogenized diagnostic and treatment standards,especially evaluation criteria,which makes it difficult to assess the surgical effect and postoperative conditions.展开更多
基金supported by grants from the Peking University Medicine Sailing Program for Young Scholar’s Scientific&Technological Innovation(No.BMU2023YFJHPY013)National High Level Hospital Clinical Research Funding(Scientific Research Seed Fund of Peking University First Hospital)(No.2023SF09).
文摘To the Editor:Ureteral stricture can lead to dilation of the proximal upper urinary tract and collecting system.Stretching and loading of the ureter by long-term hydronephrosis trigger a stress relaxation effect,which decreases the contractility of the ureter.[1]Morphological changes after surgery may not be obvious even if the obstruction is successfully relieved.Diuretic renography judges split renal function and the nature of obstruction by the uptake and excretion of radionuclides.However,it is influenced by the response of the ipsilateral kidney to diuretics.[2]Currently,there is a lack of homogenized diagnostic and treatment standards,especially evaluation criteria,which makes it difficult to assess the surgical effect and postoperative conditions.
