Wave intensity, an index of ventriculo-arterial interaction, increases in hypertensive subjects but decreases in normotensive subjects during the cold pressor test
Tanaka, Midori, Sugawara, Motoaki, Niki, Kiyomi, Ogasawara, Yasuo
Published in Journal of medical ultrasonics (2001) (01.04.2021)
Published in Journal of medical ultrasonics (2001) (01.04.2021)
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Journal Article
Changes in cardiac contractility during graded exercise are greater in subjects with smaller body mass index, and greater in men than women: analyses using wave intensity and force–frequency relations
Tanaka, Midori, Sugawara, Motoaki, Niki, Kiyomi, Ogasawara, Yasuo
Published in Journal of medical ultrasonics (2001) (01.01.2019)
Published in Journal of medical ultrasonics (2001) (01.01.2019)
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Journal Article
Clinical usefulness of wave intensity analysis
Sugawara, Motoaki, Niki, Kiyomi, Ohte, Nobuyuki, Okada, Takashi, Harada, Akimitsu
Published in Medical & biological engineering & computing (01.02.2009)
Published in Medical & biological engineering & computing (01.02.2009)
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Journal Article
Intermittent, moderate-intensity aerobic exercise for only eight weeks reduces arterial stiffness: evaluation by measurement of stiffness parameter and pressure–strain elastic modulus by use of ultrasonic echo tracking
Tanaka, Midori, Sugawara, Motoaki, Ogasawara, Yasuo, Izumi, Tadafumi, Niki, Kiyomi, Kajiya, Fumihiko
Published in Journal of medical ultrasonics (2001) (01.04.2013)
Published in Journal of medical ultrasonics (2001) (01.04.2013)
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Journal Article
Associations of increased arterial stiffness with left ventricular ejection performance and right ventricular systolic pressure in mitral regurgitation before and after surgery: Wave intensity analysis
Niki, Kiyomi, Sugawara, Motoaki, Kayanuma, Hiroshi, Takamisawa, Itaru, Watanabe, Hiroyuki, Mahara, Keitaro, Sumiyoshi, Tetsuya, Ida, Takao, Takanashi, Shuichiro, Tomoike, Hitonobu
Published in International journal of cardiology. Heart & vasculature (01.09.2017)
Published in International journal of cardiology. Heart & vasculature (01.09.2017)
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Journal Article
Noninvasive evaluation of left ventricular force−frequency relationships by measuring carotid arterial wave intensity during exercise stress
Tanaka, Midori, Sugawara, Motoaki, Ogasawara, Yasuo, Suminoe, Isao, Izumi, Tadafumi, Niki, Kiyomi, Kajiya, Fumihiko
Published in Journal of medical ultrasonics (2001) (01.01.2015)
Published in Journal of medical ultrasonics (2001) (01.01.2015)
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Journal Article
Clinical usefulness of carotid arterial wave intensity in assessing left ventricular systolic and early diastolic performance
Ohte, Nobuyuki, Narita, Hitomi, Sugawara, Motoaki, Niki, Kiyomi, Okada, Takashi, Harada, Akimitsu, Hayano, Junichiro, Kimura, Genjiro
Published in Heart and vessels (01.07.2003)
Published in Heart and vessels (01.07.2003)
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Journal Article
The relationship between an increase in total peripheral resistance and reflected wave: wave intensity analysis using a circulation model
Takenouchi, Shinsaku, Niki, Kiyomi, Hirayama, Kodai, Murata, Masato, Sugawara, Motoaki
Published in Transactions of Japanese Society for Medical and Biological Engineering (2017)
Published in Transactions of Japanese Society for Medical and Biological Engineering (2017)
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Journal Article
Relationship between blood pressure obtained from the upper arm with a cuff-type sphygmomanometer and central blood pressure measured with a catheter-tipped micromanometer
Ohte, Nobuyuki, Saeki, Tomoaki, Miyabe, Hiromichi, Sakata, Seichiro, Mukai, Seiji, Hayano, Junichiro, Niki, Kiyomi, Sugawara, Motoaki, Kimura, Genjiro
Published in Heart and vessels (01.11.2007)
Published in Heart and vessels (01.11.2007)
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Journal Article
Study of the upper limb blood pressure changes by vascular resistance increase of the lower limbs using entire cardiovascular system
Akama, Yusuke, Kayanuma, Hiroshi, Yauchi, Shiori, Hirayama, Kodai, Ohshima, Mari, Sugawara, Motoaki, Niki, Kiyomi
Published in Transactions of Japanese Society for Medical and Biological Engineering (2016)
Published in Transactions of Japanese Society for Medical and Biological Engineering (2016)
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Journal Article
Long-term administration of amlodipine prevents decompensation to diastolic heart failure in hypertensive rats
Nishikawa, Nagahiro, Masuyama, Tohru, Yamamoto, Kazuhiro, Sakata, Yasushi, Mano, Toshiaki, Miwa, Takeshi, Sugawara, Motoaki, Hori, Masatsugu
Published in Journal of the American College of Cardiology (01.11.2001)
Published in Journal of the American College of Cardiology (01.11.2001)
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Journal Article
A new noninvasive measurement system for wave intensity: evaluation of carotid arterial wave intensity and reproducibility
Niki, K., Sugawara, Motoaki, Chang, Dehua, Harada, Akimitsu, Okada, Takashi, Sakai, Ryoichi, Uchida, Keisuke, Tanaka, Rie, Mumford, Catherine E.
Published in Heart and vessels (01.11.2002)
Published in Heart and vessels (01.11.2002)
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Journal Article
Effects of intermittent, moderate-intensity, and short-term aerobic exercise training on arterial stiffness: evaluation by ultrasonic measurements of stiffness parameter and pressure-strain elastic modulus
Tanaka, Midori, Sugawara, Motoaki, Ogasawara, Yasuo, Izumi, Tadafumi, Niki, Kiyomi, Kajiya, Fumihiko
Published in Shinzo (2015)
Published in Shinzo (2015)
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Journal Article
On-line noninvasive one-point measurements of pulse wave velocity
Harada, A., Okada, Takashi, Niki, Kiyomi, Chang, Dehua, Sugawara, Motoaki
Published in Heart and vessels (01.12.2002)
Published in Heart and vessels (01.12.2002)
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