Results 11 to 20 of about 19,782 (248)

Choroidal Laser Doppler Flowmetry in Healthy Subjects [PDF]

open access: bronzeArchives of Ophthalmology, 2000
To evaluate normal choroidal blood flow and its relationship with various factors such as age, systemic blood pressure, and intraocular pressure (IOP).A total of 70 healthy subjects were recruited. Choroidal blood flow was assessed using a method based on laser Doppler flowmetry (LDF) technique.
Selim Orgül   +5 more
openaire   +4 more sources

Measurement depth and volume in laser Doppler flowmetry

open access: greenMicrovascular Research, 2009
A new method for estimating the measurement depth and volume in laser Doppler flowmetry (LDF) is presented. The method is based on Monte Carlo simulations of light propagation in tissue. The contribution from each individual Doppler shift is calculated and thereby multiple Doppler shifts are handled correctly. Different LDF setups for both probe based (
Fredriksson, Ingemar   +2 more
openaire   +7 more sources

Investigation of photoplethysmography, laser doppler flowmetry and near infrared spectroscopy during induced thermal stress [PDF]

open access: green, 2015
Continuous assessment of blood flow, blood volume, and blood and tissue oxygenation are of vital importance in critically ill patients. Photoplethysmography (PPG), Pulse Oximetry (PO), Laser Doppler Flowmetry (LDF) and Near Infrared Spectroscopy (NIRS ...
Abay, T., Budidha, K., Kyriacou, P. A.
core   +3 more sources

Scanning laser Doppler flowmetry in glaucoma [PDF]

open access: yesInternational Ophthalmology, 1996
Scanning laser Doppler flowmetry is a new means for the measurement of capillary perfusion. We studied the retinal and neuroretinal rim capillary perfusion with the Heidelberg Retina Flowmeter in one randomly selected eye of 31 healthy volunteers, 42 primary open angle glaucoma (POAG) patients and 17 normal pressure glaucoma (NPG) patients.
Hollo, G.   +2 more
openaire   +4 more sources

To the possibility of detecting the "coronary theft" syndrome in small laboratory animals

open access: yesФармакокинетика и Фармакодинамика, 2022
The purpose of the study. There are investigation of the possibility of using the laser Doppler flowmetry method to assess blood microcirculation and analyze the mechanisms of its regulation in conditionally intact and ischemic myocardium in small ...
I. B. Tsorin   +3 more
doaj   +1 more source

サーモグラフィーによる体表面温度の測定 3.体表面温度の回復率と末消血流量との相関 [PDF]

open access: yes, 1999
The body surface peripheral circulation in 12 cases, including 9 patients with diabetes mellitus who were suffering coldness, numbness or pain in their feet, and 3 healthy volunteers was examined using Laser-Doppler blood flowmetry. At the same time, the
Ashida, Kozo   +10 more
core   +1 more source

Microcirculatory Bloodstream Malfunctioning in Patients with Natural-Focal Infections

open access: yesПроблемы особо опасных инфекций, 2013
Represented are the results of examination of the 42 patients with Q-fever using laser Doppler flowmetry. Based on the data obtained identified are the skin microcirculatory disorders among the patients depending on their age, gender, severity of the ...
O. V. Grachieva, R. A. Sadretdinov
doaj   +1 more source

Multimodal optical diagnostics of the microhaemodynamics in upper and lower limbs [PDF]

open access: yes, 2019
The introduction of optical non-invasive diagnostic methods into clinical practice can substantially advance in the detection of early microcirculatory disorders in patients with different diseases.
Dremin, Viktor V.   +7 more
core   +3 more sources

Diagnostic capabilities of different methods of laser doppler flowmetry spectral indexes assessment in patients with diabetic microangiopathy

open access: yesBiomedical Photonics, 2021
The article contains the results of a study of two different methods for calculating the spectral parameters of laser Doppler flowmetry in patients with diabetic microangiopathy caused by type 2 diabetes mellitus (main group) and those with excluded ...
P. V. Vasilev   +2 more
doaj   +1 more source

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