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通过对２０例经ＰＴＲＡ治疗的肾动脉狭窄性高血压患者进行长期随访。分析了影响ＰＴＲＡ术远期疗效的有关因素，表明ＰＴＲＡ术对病因为大动脉炎，且两侧肾静脉肾素比值≥１．５者，远期疗效较好。随访３６个月的有效率为８５％，７年的有效率为７２．７％。手术后复发大部发生在术后３６个月。如这一期间血压仍稳定，则远期疗效也较满意。
Twenty patients with renal artery stenosis treated with PTRA were followed up for a long time. Analysis of the factors that affect the long-term efficacy of PTRA surgery, indicating that PTRA surgery for the cause of arteritis, and both sides of the renal vein renin ratio of ≥ 1.5, long-term efficacy is better. The follow-up 36 months, the effective rate was 85%, 7-year effective rate was 72.7%. Most postoperative recurrence occurred 36 months after surgery. If the blood pressure during this period is still stable, the long-term efficacy is also more satisfactory.