脑血管药物洗脱支架与金属裸支架治疗椎动脉狭窄的效果比较

时间:2021-07-22 17:59:57 浏览量:

刘大龙 辛燕

摘要:目的  觀察研究脑血管药物洗脱支架与金属裸支架治疗椎动脉狭窄的临床疗效。方法  选取2018年2月~2019年2月在我院诊治的104例椎动脉狭窄患者为研究对象,采用随机数字表法分为对照组和观察组,各52例。对照组采用金属裸支架治疗,观察组采用脑血管药物洗脱支架治疗,比较术后6个月支架内再狭窄发生率、血流动力学指标改变(狭窄处峰值流速、狭窄处阻力指数、患侧寰椎段阻力指数)情况、Malek分级以及并发症发生情况。结果  术后6个月观察组支架内再狭窄发生率为7.67%,低于对照组的21.15%,差异有统计学意义(P<0.05);观察组狭窄处峰值流速、狭窄处阻力指数、患侧寰椎段阻力指数均低于对照组,差异有统计学意义(P<0.05);观察组Malek分级1级、2级分布率高于对照组,3级、4级低于对照组,差异有统计学意义(P<0.05);观察组并发症发生率为3.84%,低于对照组的11.53%,差异有统计学意义(P<0.05)。结论  脑血管药物洗脱支架治疗椎动脉狭窄与金属裸支架比较,支架内再狭窄发生率低,可显著改善患者狭窄处血流动力学,且并发症少,应用安全性高,值得临床应用。

关键词:脑血管病;药物洗脱支架;金属裸支架;椎动脉狭窄

中图分类号:R743.3                                文献标识码:A                                  DOI:10.3969/j.issn.1006-1959.2020.23.033

文章编号:1006-1959(2020)23-0114-03

Abstract:Objective  To observe and study the clinical efficacy of cerebrovascular drug-eluting stents and bare metal stents in the treatment of vertebral artery stenosis.Methods  A total of 104 patients with vertebral artery stenosis who were diagnosed and treated in our hospital from February 2018 to February 2019 were selected as the research objects. They were divided into a control group and an observation group by a random number table method, with 52 cases in each group.The control group was treated with bare metal stent, observation group was treated with cerebrovascular drug-eluting stent. the incidence of restenosis in the stent, hemodynamic changes (peak velocity at stenosis, resistance index at stenosis, resistance index at atlantoaxial segment of affected side), Malek grade and complications were compared after 6 months.Results  6 months postoperatively, the incidence of restenosis in the stent in the observation group was 7.67%, which was lower than 21.15% in the control group,the difference was statistically significant (P<0.05); The resistance index of lateral atlas was lower than that of the control group,the difference was statistically significant (P<0.05); the distribution rate of Malek grade 1 and 2 in the observation group was higher than that of the control group, and grade 3 and 4 were lower than the control group,the difference was statistically significant (P<0.05); the incidence of complications in the observation group was 3.84%, which was lower than 11.53% in the control group,the difference was statistically significant (P<0.05).Conclusion  Compared with metal bare metal stents, cerebrovascular drug-eluting stents have a lower incidence of in-stent restenosis, which can significantly improve the hemodynamics of patients with stenosis, with fewer complications, and high safety. It is worthy of clinical application.

本研究结果显示,术后6个月观察组支架内再狭窄发生率为7.67%,低于对照组的21.15%,差异有统计学意义(P<0.05),脑血管药物洗脱支架治疗椎动脉狭窄术后支架内再狭窄发生率低,该结论与赵同源[10]等研究结果基本一致。同时观察组狭窄处峰值流速、狹窄处阻力指数、患侧寰椎段阻力指数均低于对照组,差异有统计学意义(P<0.05),提示脑血管药物洗脱支架治疗椎动脉狭窄,对狭窄部位血流动力学改善更明显,利于局部微循环的改变,进一步促进临床症状的改善。同时观察组Malek分级1级、2级分布率高于对照组,3级、4级低于对照组,差异有统计学意义(P<0.05),提示脑血管药物洗脱支架治疗效果更明显,促进神经功能缺损恢复,显著减轻脑缺血发生情况。此外,观察组并发症发生率为3.84%,低于对照组的11.53%,差异有统计学意义(P<0.05),表明脑血管药物洗脱支架治疗并发症少,应用安全可靠。

综上所述,脑血管药物洗脱支架治疗椎动脉狭窄效果更显著,支架内再狭窄发生率低,且有助于改善患者神经功能缺损和颅内血流动力学指标,并发症少且安全性高,具有临床应用的重要价值。

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收稿日期:2020-04-28;修回日期:2020-05-25

编辑/宋伟

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