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肾静脉血指标对经皮肾动脉交感神经消融术即刻有效性的评价研究
The immediately evaluation of the effectiveness of catheter-based renal sympathetic denervation with renal vein indicators
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DOI:
作者:
汪志华,徐佑龙,郜俊清,严鹏勇,谢赟,张文全,孙剑光,方平,王明喻,孟莉,金惠根,刘宗军
WANG zhi-hua,XU you-long,GAO jun-qing,et-al.
作者单位:
上海市普陀区中心医院
The Putuo Affiliated Hospital of Shanghai University of Traditional Chinese Medicine
关键词:
经皮肾动脉交感神经消融术,肾静脉,5F射频消融导管
catheter-based renal sympathetic denervation; renal vein; 5F radiofrequency ablation catheter
摘要:
目的:探索并验证肾静脉相关血指标(肾素、醛固酮、去甲肾上腺素、肾上腺素)在评价经皮肾动脉交感神经消融术(catheter-based renal denervation,RDN)即刻有效性方面的可靠性。方法:10只实验用小型猪。使用7F导引导管行左右肾动脉造影。以7F导引导管作为指引,置入5F射频消融导管,在左右肾动脉行RDN术(消融模式:温控、50°、8-10w,采用螺旋式消融,每个点消融60-90秒,左右肾动脉各消融4-6个点,相邻消融点间隔0.5cm)。所有动物于术前、消融术后即刻行外周动脉、肾静脉、外周静脉取血,采集并评估各血管血指标(包括去甲肾上腺素、肾上腺素、肾素、醛固酮等)。结果:RDN术前后,所用实验用小型猪心率、血压、肾功能均无明显改变。消融术后即刻,检测肾静脉血指标,结果显示,血肾素、醛固酮、肾上腺素含量明显下降,与术前相比,有统计学差异(肾素(ng/l)术前 VS 术后即刻:453.3±240.8 VS 389.6±208.7,下降率14.1%,P=0.03;醛固酮(ng/l)术前 VS 术后即刻:427.7±218.4 VS 337.1±156.8,下降率21.2%,P=0.03;肾上腺素(ng/l)术前 VS 术后即刻:494.1±144.7 VS 313.385±113.2,下降率22.4%,P=0.004)。结论:5F射频消融导管能够安全的作为消融导管应用于经皮肾动脉交感神经消融术中,肾静脉各项血指标可以一定程度上作为RDN术即刻有效性评价方法之一。
Objective: Exploration and validation the reliability of renal vein blood indicators (renin, aldosterone, norepinephrine, epinephrine) in the immediate evaluation of the effectiveness of catheter-based renal sympathetic denervation with renal venous indicators. Methods: 10 experimental miniature swine were used. The 6F guiding catheter was used in renal angiography. In the RDN, 7F guiding catheter was used as a guider, placed 5F RF ablation catheter in the bilateral renal artery (50 ° , 60-90 seconds, 4-6 points, adjacent the ablation point intervals 0.5cm). All animals were recorded the ablation parameters, and to evaluate the degree of renal artery stenosis in postoperative; All animals were collected renal artery、renal vein、peripheral venous blood ( before and after the RDN immediately) and evaluated the blood indicators (norepinephrine, epinephrine, renin, aldosterone, etc.). Result: After the RDN immediately, the results showed that the renal venous blood indicators were significant decreased. Renin (ng / l) , preoperative VS immediate postoperative: 453.3 ± 240.8 VS 389.6 ± 208.7, the decreased rate was 14.1%, P = 0.03; aldosterone (ng / l): 427.7 ± 218.4 VS 337.1 ± 156.8, decreased rate was 21.2%, P = 0.03; adrenaline(ng / l): 494.1 ± 144.7 VS 313.385 ± 113.2, the rate of decreased was 22.4%, P = 0.004. Conclusion: Renal venous indicators may be a reliable reference index in the immediately evaluation of the effectiveness of catheter-based renal sympathetic denervation by 5F radiofrequency ablation catheter.
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