Niki K - Search Results

1

Noninvasive evaluation of left ventricular force-frequency relationships by measuring carotid arterial wave intensity during exercise stress.

Tanaka M, Sugawara M, Ogasawara Y, Suminoe I, Izumi T, Niki K, Kajiya F. Tanaka M, et al. Among authors: niki k. J Med Ultrason (2001). 2015 Jan;42(1):65-70. doi: 10.1007/s10396-014-0554-8. Epub 2014 Jun 24. J Med Ultrason (2001). 2015. PMID: 25620873 Free PMC article.

2

Clinical usefulness of wave intensity analysis.

Sugawara M, Niki K, Ohte N, Okada T, Harada A. Sugawara M, et al. Among authors: niki k. Med Biol Eng Comput. 2009 Feb;47(2):197-206. doi: 10.1007/s11517-008-0388-x. Epub 2008 Sep 2. Med Biol Eng Comput. 2009. PMID: 18763005

3

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 M, Sugawara M, Ogasawara Y, Izumi T, Niki K, Kajiya F. Tanaka M, et al. Among authors: niki k. J Med Ultrason (2001). 2013 Apr;40(2):119-24. doi: 10.1007/s10396-012-0408-1. Epub 2012 Nov 15. J Med Ultrason (2001). 2013. PMID: 23565047 Free PMC article.

4

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 M, Sugawara M, Niki K, Ogasawara Y. Tanaka M, et al. Among authors: niki k. J Med Ultrason (2001). 2019 Jan;46(1):63-68. doi: 10.1007/s10396-018-0888-8. Epub 2018 Jun 15. J Med Ultrason (2001). 2019. PMID: 29948476

5

Wave Intensity Analysis: Sex-Specific Differences in Hemodynamic and Ventilatory Responses to Graded Exercise-Echocardiographic Measurements.

Tanaka M, Sugawara M, Ogasawara Y, Niki K. Tanaka M, et al. Among authors: niki k. Adv Exp Med Biol. 2018;1065:169-179. doi: 10.1007/978-3-319-77932-4_11. Adv Exp Med Biol. 2018. PMID: 30051384

6

Wave intensity, an index of ventriculo-arterial interaction, increases in hypertensive subjects but decreases in normotensive subjects during the cold pressor test.

Tanaka M, Sugawara M, Niki K, Ogasawara Y. Tanaka M, et al. Among authors: niki k. J Med Ultrason (2001). 2021 Apr;48(2):199-203. doi: 10.1007/s10396-020-01077-9. Epub 2021 Jan 16. J Med Ultrason (2001). 2021. PMID: 33454839 Free PMC article.

7

Correction to: Wave intensity, an index of ventriculo-arterial interaction, increases in hypertensive subjects but decreases in normotensive subjects during the cold pressor test.

Tanaka M, Sugawara M, Niki K, Ogasawara Y. Tanaka M, et al. Among authors: niki k. J Med Ultrason (2001). 2021 Apr;48(2):205. doi: 10.1007/s10396-021-01084-4. J Med Ultrason (2001). 2021. PMID: 33666773 Free PMC article. No abstract available.

8

Clinical usefulness of carotid arterial wave intensity in assessing left ventricular systolic and early diastolic performance.

Ohte N, Narita H, Sugawara M, Niki K, Okada T, Harada A, Hayano J, Kimura G. Ohte N, et al. Among authors: niki k. Heart Vessels. 2003 Jul;18(3):107-11. doi: 10.1007/s00380-003-0700-5. Heart Vessels. 2003. PMID: 12955424

9

Effects of sublingual nitroglycerin on working conditions of the heart and arterial system: analysis using wave intensity.

Niki K, Sugawara M, Chang D, Harada A, Okada T, Tanaka R. Niki K, et al. J Med Ultrason (2001). 2005 Dec;32(4):145-52. doi: 10.1007/s10396-005-0057-8. J Med Ultrason (2001). 2005. PMID: 27277481

10

A noninvasive method of measuring wave intensity, a new hemodynamic index: application to the carotid artery in patients with mitral regurgitation before and after surgery.

Niki K, Sugawara M, Uchida K, Tanaka R, Tanimoto K, Imamura H, Sakomura Y, Ishizuka N, Koyanagi H, Kasanuki H. Niki K, et al. Heart Vessels. 1999;14(6):263-71. doi: 10.1007/BF03257237. Heart Vessels. 1999. PMID: 10901480

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