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冠状动脉旁路手术后的沙芬静脉移植失败:来自PREVENT IV的见解

Connie N Hess¹, Renato D Lopes¹, C Michael Gibson¹

¹From the Duke Clinical Research Institute, Duke Medicine, Durham, NC (C.N.H., R.D.L., R.H., D.M.W., B.R.E., E.D.P., J.H.A.); Harvard Medical School, Harvard University, Boston, MA (C.M.G.); Baylor Health Care System, Baylor, TX (M.J.M.); Duke Translational Medicine Institute, Duke Medicine, Durham, NC (R.M.C.); and Missouri Baptist Medical Center, St. Louis, MO (N.T.K.).

|September 28, 2014

概括

冠状动脉旁路移植后静脉移植衰竭 (VGF) 是常见的,影响超过40%的患者. 关键的危险因素包括较长的手术,内镜静脉摘取,目标动脉质量差以及特定的抗血小板使用.

科学领域:

心血管外科心血管外科
血管生物学血管生物学
临床试验临床试验

背景情况:

静脉移植失败 (VGF) 是冠状动脉旁路移植 (CABG) 成功的一个主要限制.
识别导致VGF的因素对于改善患者长期治疗结果至关重要.

研究的目的:

为了调查与CABG后的VGF相关的患者和移植水平的因素.
确定预测VGF的特定外科和临床变量.

主要方法:

分析了PREVENT IV试验中的1828名参与者,并进行了12-18个月的随访血管造影.
使用快速错误选择率方法和逻辑回归与一般化估计方程.
在患者和移植水平上检查了血管学VGF (≥75%的狭窄或闭塞).

主要成果:

42.8%的患者和25.2%的移植体在CABG后12-18个月经历了VGF.
与患者水平VGF相关的因素包括更长的手术持续时间,内镜静脉采摘,目标动脉质量差,以及术后使用克洛皮多格雷尔/提克洛皮丁.
预测的VGF概率在移植级模型中从12.1%到63.6%不等.

结论:

在CABG之后,VGF是常见的并发症,与可识别的患者和手术因素有关.
这些发现可以帮助识别高风险患者,并制定有针对性的干预措施以减轻VGF.

关键词:

冠状动脉绕道 (bypass) 是一种冠状动脉绕道.冠状动脉疾病是一种冠状动脉疾病.肌肉心脏的重血管化

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