Fortgeschrittene Techniken in Biologie und Medizin
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Recent Progress in the Study of the Cardio-Ankle Vascular Index (CAVI)

Tomoyuki Yambe, Yasuyuki Shiraishi, Hidekazu Miura, Yusuke Inoue, Yusuke Tsuboko, Akihiro Yamada, Yasunori Taira, Shota Watanabe, Yuri A Kovalev, Irina A Milyagina and Mitsuya Maruyama

To measure the stiffness of the aorta, femoral artery and tibial artery noninvasively, cardio-ankle vascular index (CAVI) which was independent of blood pressure had been developed in cooperation of the Tohoku University and Fukuda denshi Co. The reproducibility had been studied, and the Independence from blood pressure has been studied till now. The results suggested that CAVI could reflect arteriosclerosis of the aorta, femoral artery and tibial artery. Furthermore we can evaluate the baroreflex sensitivity of an artery by the use of arterial tone. International cooperation study is ongoing now. So various scientific reports are easily found in pubmed. Medical device maker is now gathering these international papers for the presentation to the every doctor in the world for the achievements of better medical care. If the evaluation by this methodology in not so good, all doctors have a chance to use another devices. So, it is not necessary to use this method when the scientific papers showed another device had been good. Every doctor in all over the world must check recent progress in medical device in the scientific fields. By the use of the scientific, physical, quantitative methodology, evaluation of the atherosclerosis will be embodied in near future based on the normal value of every people in every country.