Results 11 to 20 of about 1,194,803 (309)

The acute effects of lower limb intermittent negative pressure on foot macro- and microcirculation in patients with peripheral arterial disease. [PDF]

open access: yesPLoS 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

Digital Image Processing for Determining the Speed of Blood Flow in the Heart Based on the Doppler Effect

open access: yesJIF (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

ISCHEMIA/REPERFUSION EFFECT ON PANCREATIC VOLUMETRICAL BLOOD FLOW VELOCITY [PDF]

open access: yesResearch 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 effect of increased preset intraocular pressure level on choroidal blood flow during phacoemulsification

open access: yesРоссийский 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

Effect of Electrical Stimulation on Blood Flow Velocity and Vessel Size

open access: yesOpen 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

Using 320-slice perfusion computed tomography in visuali zation of prostate cancer

open access: yesУчёные 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

Quantitative blood flow velocity imaging using laser speckle flowmetry

open access: yesScientific 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

Hidden fluid mechanics: Learning velocity and pressure fields from flow visualizations

open access: yesScience, 2020
Machine-learning fluid flow Quantifying fluid flow is relevant to disciplines ranging from geophysics to medicine. Flow can be experimentally visualized using, for example, smoke or contrast agents, but extracting velocity and pressure fields from this ...
M. Raissi, A. Yazdani, G. Karniadakis
semanticscholar   +1 more source

OpenBloodFlow: A User-Friendly OpenCV-Based Software Package for Blood Flow Velocity and Blood Cell Count Measurement for Fish Embryos

open access: yesBiology, 2022
The transparent appearance of fish embryos provides an excellent assessment feature for observing cardiovascular function in vivo. Previously, methods to conduct vascular function assessment were based on measuring blood-flow velocity using third-party ...
Ali Farhan   +10 more
doaj   +1 more source

EFFICACY OF LASER PULSE FREQUENCIES ON BLOOD FLOW IN TYPE 2 DIABETIC PATIENTS

open access: yesInternational Journal of Physiotherapy, 2017
Background: Research reports had noted an apparent increase in cutaneous and deep blood flow as a result of low-intensity laser therapy (LLLT) in normal subjects.
Amir Nazih Wadee
doaj   +1 more source

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