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心电图运动试验相关指数对冠状动脉介入术后再狭窄的预测研究

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摘要 目的探讨通过测定ST/HR斜率、ST/HR指数及常规ST段标准诊断冠状动脉介入术后再狭窄的敏感性和特异性。方法对行冠状动脉介入治疗的224例,在术后3~6个月行次级量平板运动试验(TET),测量ST/HR斜率和ST/HR指数及常规ST段阳性标准诊断再狭窄,通过冠状动脉造影(CAG)确定有无再狭窄,评价其诊断再狭窄的价值。结果ST/HR斜率联合ST/HR指数及常规ST段标准诊断再狭窄的敏感性和特异性分别为78.7%和80.3%,高于传统ST段标准(51.2%和62.3%)(P<0.05)。结论联合应用ST/HR斜率和ST/HR指数及常规ST段标准可作为诊断再狭窄的无创手段。
出处 《实用心电学杂志》 2009年第4期281-282,共2页 Journal of Practical Electrocardiology
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