对36个高血压病人(其中35例经肾动脉造影证实有不同程度单侧主肾动脉狭窄,1例为大分支狭窄)进行尿路冲洗造影,发现16个病人(其中14个经手术治疗后血压恢复或明显好转)在注射水溶性造影剂和尿素后患侧肾影增大少于5％,对侧正常肾增大7～20％,20个非手术病例中6例亦见此现象,此6 Thirty-six hypertensive patients (35 of whom were confirmed by renal artery angiography with varying degrees of unilateral primary renal artery stenosis and 1 with large branch stenosis) underwent urography and found that 16 patients (14 of whom were treated by surgery Blood pressure recovery or significantly improved) after injection of water-soluble contrast agent and urea ipsilateral renal shadow increased less than 5%, contralateral normal kidney increased 7 to 20%, 20 non-surgical cases of 6 cases also see this phenomenon, this 6