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血管内皮功能检测仪

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北京迈尔思瀛海威医疗技术有限公司
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Last Updated 2025-08-08 19:21

血管内皮功能检测仪

血管内皮检测仪EF5000通过置于手指尖的指套传感器测定内皮介导的血管张力变化,获取测量肱动脉阻断5分钟前后的指尖脉搏波幅度变化,标准5分钟肱动脉阻塞导致下游缺血反应引起的血管张力来间接测量血管扩张收缩的程度。

  指尖动脉张力测定技术(暨PAT技术),应用光学体积描记术来检测手指脉冲波的振幅,反映的是小血管的微循环功能。PAT是评估微血管内皮功能的一种无创方法,反映了在反应性充血期间手指脉搏容积波幅的改变,通过分析手指脉搏波振幅来评估内皮功能,计算出的内皮功能指数反应性充血指数代表对内皮功能的测量。 PAT与多种传统的心血管危险因素相关,如男性、体重指数、腰围、低密度脂蛋白胆固醇、糖尿病、吸烟、高血压和冠状动脉疾病家族史[1]。反应性充血-外周动脉压力测定( reactive hyperemia peripheral arterial tonometry,RH- PAT)也可作为无创外周血管内皮功能测定方法用于对心血管事件的预测”]。有研究表明,RHI与未来心血管事件独立相关,并且能够改善风险分层[20],且比传统的 Framingham危险评分更能预测心血管事件[21]。PAT较其他检查具有众多优势,如无创、操作简便、结果可重复,可作为筛查和预后的工具。

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