Results 11 to 20 of about 1,011,739 (356)
Quantification of blood flow in internal cerebral artery by optical flow method on digital subtraction angiography in comparison with time-of-flight magnetic resonance angiography. [PDF]
PLoS ONE, 2013 OBJECTIVE: This study compared data on the blood flow velocity in the internal carotid artery, which was obtained using the optical flow method (OFM) with digital subtraction angiography (DSA) and the time-of-flight (TOF) technique using magnetic ...
Tzung-Chi Huang +3 more
doaj +1 more source
JIF (Jurnal Ilmu Fisika), 2023 A research study was conducted to estimate and visualize 2D vectors of blood flow in the heart using image processing algorithms to determine Doppler velocity at each point.
Eif Sparzinanda +3 more
doaj +1 more source
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.
D. Bergqvist +3 more
openaire +3 more sources
ISCHEMIA/REPERFUSION EFFECT ON PANCREATIC VOLUMETRICAL BLOOD FLOW VELOCITY [PDF]
Research Results in Pharmacology, 2015 We investigate blood flow velocity at ischemia/reperfusion early stages. Transient hyperemia absence after ischemia/reperfusion cased by pancreatic edema development at early stages confirmed by Wet/Dry ratio elevation and morphological changes was ...
Dmytry Kolmykov, Sergey Alehin
doaj +3 more sources
The acute effects of lower limb intermittent negative pressure on foot macro- and microcirculation in patients with peripheral arterial disease. [PDF]
PLoS ONE, 2017 BACKGROUND:Intermittent negative pressure (INP) applied to the lower leg and foot increases foot perfusion in healthy volunteers. The aim of the present study was to describe the effects of INP to the lower leg and foot on foot macro- and ...
Øyvind Heiberg Sundby +5 more
doaj +1 more source
Transcutaneous measurement of blood velocity profiles and flow [PDF]
Cardiovascular Research, 1973 A comprehensive report is presented of the application of a pulsed ultrasound Doppler velocity meter for transcutaneous measurement of time varying velocity, velocity profiles, and instantaneous flow in arteries of anaesthetized dogs. The procedure used to provide direct velocity and flow calibration using the Doppler equation is outlined.
Histand, Michael B +2 more
openaire +4 more sources
Российский офтальмологический журнал, 2022 Purpose: to evaluate blood flow velocity in the posterior short ciliary arteries during phacoemulsification (PE) at different levels of intraocular pressure (IOP).Material and methods.
Yu. V. Takhtaev +2 more
doaj +1 more source
Quantitative blood flow velocity imaging using laser speckle flowmetry
Scientific Reports, 2016 Laser speckle flowmetry suffers from a debated quantification of the inverse relation between decorrelation time (τc) and blood flow velocity (V), i.e. 1/τc = αV.
A. Nadort +3 more
semanticscholar +1 more source
Using 320-slice perfusion computed tomography in visuali zation of prostate cancer
Учёные записки Санкт-Петербургского государственного медицинского университета им. Акад. И.П. Павлова, 2016 Visualization of prostate cancer remains an actual problem in urology and oncology. Purpose of the study – evaluation of prostate cancer visualization using 320-slice perfusion computed tomography (PCT). PCT results of 15 patients with suspected prostate
N. V. Sosnowski +4 more
doaj +1 more source
Effect of Electrical Stimulation on Blood Flow Velocity and Vessel Size
Open Medicine, 2017 Interferential current electrical stimulation alters blood flow velocity and vessel size. We aimed to investigate the changes in the autonomic nervous system depending on electrical stimulation parameters.
Hee-Kyung Jin +2 more
semanticscholar +1 more source