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首页> 外文会议>International Special Topic Conference on Information Technology and Applications in Biomedicine >RECIRCULATION IN VASCULAR ACCESS FOR HEMODIALYSIS TREATMENT BY EMPLOY THE ON-LINE MEASURING SYSTEM OF UREA IN BLOOD
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RECIRCULATION IN VASCULAR ACCESS FOR HEMODIALYSIS TREATMENT BY EMPLOY THE ON-LINE MEASURING SYSTEM OF UREA IN BLOOD

机译：血液透析治疗的血管接入血液透析治疗的再循环血液测量系统

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摘要

The present paper shows the design and development the On-line measure system for blood urea concentration during dialysis treatment, using non-invasive technical by employ the optical sensing in the visible range. Previous results obtained in Military Hospital Centre in Mexico D.F., displayed experimental evidence of a clear correlation between blood urea contents and optical absorbance in the red region obtained through the arterial line in hemodialysis machine. The principals factors in Hemodialisys treatment adjustment, is to provide the best condition in dialyzed to patient, this condition depends of multiple factors, between which the vascular access recirculation; is very important; the recirculation is defined as blood passage the venous line (dialyzed) to the arterial line. The most frequent cause of this phenomenon is the needles proximity and the vascular access dysfunction, being the stenosis venous the most characteristic form. KDOQI guides recommend that the recirculation measurement does not have to exceed 10%. The objective in this word is the compare recirculation rate by on-line urea measuring in blood by using optical sensor versus estimation the laboratory techniques (two needles technical) in the temporary and permanent vascular accesses (Mahurkar catheter and venous artery fistula) were evaluated in patients the hemodialysis program in Military Hospital Center in Mexico.
机译：本文显示了设计和开发在透析处理期间血尿尿素浓度的在线测量系统，采用无侵入性技术在可见范围内使用光学传感。以前在墨西哥军事医院中心获得的结果，显示了通过血液透析机中动脉线获得的红色区域中血尿尿素含量和光学吸光度之间的明确相关性的实验证据。血液炎症治疗调整的原则因素，是在透析患者中​​提供最佳条件，这种条件取决于多种因素，在哪种血管进入再循环之间;非常重要;再循环定义为血管线（透析）到动脉线。这种现象的最常见原因是邻近的针刺和血管进入功能障碍，是狭窄静脉的形式。 KDOQI指南建议再循环测量不得超过10％。本文中的目的是通过使用光学传感器与估计在临时和永久性血管进入（Mahurkar导管和静脉动脉瘘）中的实验室技术（两针技术）进行血液中测量的血液中的血液测量的比较再循环率患者在墨西哥军事医院中心的血液透析计划。

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