Conclusion: RI is a time-dependent physiological parameters, it can significantly enchance the diagnostic value for obstructive uropathy by analysis of the interrenal RI difference or ratio.
Risk factors include urinary tract infections, as well as vesicoureteral reflux and obstructive uropathies, both of which are also risk factors for urinary tract infections.
时间相关性的生理参
，比较双侧肾脏的RI值可
高其诊断梗阻的准确性。
路感染，还有
胱输
