The efficacy of interventional treatment for Takayasu arteritis involved renal artery
Objective To explore the therapeutic effect of interventional treatment on Takayasu arteritis involved renal artery.Methods A retrospective analysis was conducted on the clinical data of 26 patients(28 blood vessels)with Takayasu arteritis involved renal artery admitted to the Xuanwu Hospital,Capital University of Medical Sciences from January 2012 to July 2023.Balloon dilation or stent implantation were performed,and the t vascular patency rate,blood pressure changes,surgical effects,and complications were followed up and observed.Results All patients underwent balloon dilation or stent implantation,and the surgery was successful,including 23 cases of balloon dilation(25 blood vessels)and 3 cases of stent implantation(3 blood vessels).During the follow-up period of 12-102 months,one case died of renal failure at 57 months post surgery(unilateral renal artery balloon dilation case),and one case was lost in the first year(unilateral renal artery balloon dilation case).The patency rates of balloon dilated blood vessels at 1 year,3 years,and 5 years were 23/24(95.83％),22/24(91.67％),and 20/23(86.96％),respectively.Patients with stent implantation had 2 diseased blood vessels unobstructed at 1 year of follow-up and 1 diseased blood vessel unobstructed at 3 years of follow-up.Some patients showed improvement in clinical symptoms,including 3 cases(3/26,11.54％)of cured hypertension symptoms,19 cases(19/26,73.08％)of improved symptoms,and 4 cases(4/26,15.38％)of ineffective symptoms.The systolic blood pressure decreased from preoperative(169.29±10.76)mmHg to(150.31±14.62)mmHg,with a statistically significant difference(P＜0.05).There was no statistically significant difference in blood creatinine levels between preoperative(78.42±21.38)μmol/L and postoperative(77.83±21.14)μmol/L(P＞0.05).Conclusions Endovascular angioplasty is safe,feasible,and has a definite therapeutic effect on patients with Takayasu's arteritis involved renal artery.
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