Novel physiological analysis using blood flow velocity for colonic polyps: Pilot study [PDF]
Endoscopy International OpenReal-time visualization of red blood cell flow inside subepithelial microvessels is performed with magnifying endoscopy. However, microvascular blood flow velocity in the colorectum has not been investigated.
Eiji Kamba +12 more
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Daily rhythm of cerebral blood flow velocity
Journal of Circadian Rhythms, 2005 Background CBFV (cerebral blood flow velocity) is lower in the morning than in the afternoon and evening. Two hypotheses have been proposed to explain the time of day changes in CBFV: 1) CBFV changes are due to sleep-associated processes or 2) time of ...
Spielman Arthur J +2 more
doaj +5 more sources
Relationship between Vascular Resistance and Sympathetic Nerve Fiber Density in Arterial Vessels in Children With Sleep Disordered Breathing [PDF]
Journal of the American Heart Association: Cardiovascular and Cerebrovascular Disease, 2017 BackgroundSleep disordered breathing in children is associated with increased blood flow velocity and sympathetic overactivity. Sympathetic overactivity results in peripheral vasoconstriction and reduced systemic vascular compliance, which increases ...
Anna Kontos +12 more
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Excess pressure as an analogue of blood flow velocity. [PDF]
J Hypertens, 2021 Introduction: Derivation of blood flow velocity from a blood pressure waveform is a novel technique, which could have potential clinical importance. Excess pressure, calculated from the blood pressure waveform via the reservoir-excess pressure model, is purported to be an analogue of blood flow velocity but this has never been ...
Armstrong MK +7 more
europepmc +5 more sources
STUDIES ON THE VELOCITY OF BLOOD FLOW [PDF]
Journal of Clinical Investigation, 1927 Herrmann L. Blumgart, Soma Weiss
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Parasympathetic Dominance Decreases the Choroidal Blood Flow Velocity Measured Using Laser Speckle Flowgraphy. [PDF]
Cureus, 2023 Kuwahara F +7 more
europepmc +3 more sources
Diagnostics of arterial vessels of athletes using Doppler ultrasound measurement [PDF]
Известия Саратовского университета. Новая серия: Физика, 2022 Objectives: The volumetric blood flow of arterial vessels of athletes with a high sports category was studied using the Doppler ultrasound measurement. Methods: Two groups of volunteers were examined: group I consisted of unsportsmanlike volunteers who ...
Skripal, Anatoly Vladimirovich +6 more
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Interrelation between pulse wave forms in the peripheral arteries registered by methods of impedance rheography and ultrasonic dopplerography [PDF]
Известия Саратовского университета. Новая серия: Физика, 2023 Background and Objectives: Impedance plethysmography and Doppler ultrasound, in most cases, are considered as independent methods for analyzing hemodynamics.
Zaletov, Ivan Sergeevich +5 more
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Measurements of Blood Flow Velocity in the Microcirculation [PDF]
Upsala Journal of Medical Sciences, 1975 A method for the measurement of red blood cell velocity in the microcirculation is described. The technique is based on the on-line cross-correlation of the delay between optical signatures derived from photodetectors aligned in direction oflow. A specialised photodiode holder which can be inserted directly in place of an ocular is described.
K E, Arfors +3 more
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