Laser Doppler blood flowmetry
Laser Doppler blood flowmeter as a useful instrument for the early detection of lower extremity peripheral arterial disease in hemodialysis patients: an observational study
... of blood is removed during each dialysis ...mini-laser Doppler blood flowmetry to measure blood flow in the lower limbs of hemodialysis ...a laser Doppler probe and ...
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Repeated laser doppler flowmetry procedures in bone do not alter perfusion, localized inflammation, or gait patterns
... adequate blood perfusion to remodel in response to loading and heal after ...fracturing. Laser Doppler flowmetry (LDF) is a technique that has been validated to measure blood flow in ...
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Comparison of NIRS, laser Doppler flowmetry, photoplethysmography, and pulse oximetry during vascular occlusion challenges
... Table 1 shows the means and p-values of TOI, nTHI, nFlux and nPI during protocol 2. TOI demonstrated deoxygenation during all the occlusions due to venous engorgements or total occlusions. The nTHI, which expresses the ...
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Bolus injection of MR contrast agents: hemodynamic effects evaluated by intracerebral laser Doppler flowmetry in rats
... in blood pressure were significant at all doses beginning at ...arterial blood pressure (systolic, 234%; diastolic, 239%; mean, 232% aortic pressure), which re- turned to baseline values within 1 minute ...
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Investigation of photoplethysmography, laser doppler flowmetry and near infrared spectroscopy during induced thermal stress
... of blood flow, blood vol- ume, and blood and tissue oxygenation are of vital importance in critically ill ...(PO), Laser Doppler Flowmetry (LDF) and Near Infrared Spectroscopy ...
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Evaluation of a combined reflectance photoplethysmography and laser Doppler flowmetry surface probe
... Despite the success of pulse oximetry as an invaluable monitor of arterial oxygen saturation, its limitations are well documented. In particular the accuracy of pulse oximeters may be affected by a wide range of factors ...
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Evaluation of a combined reflectance photoplethysmography and laser Doppler flowmetry surface probe
... the blood volume changes in the body caused by cardiovascular pulsations in the bed of tissue ...the blood volume ...in blood flow and blood volume are regarded as most important ...
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A modification of intraluminal middle cerebral artery occlusion/reperfusion model for ischemic stroke with laser Doppler flowmetry guidance in mice
... ICA via a cut in the CCA which being called CCA approach, so the CCA on the side of the surgery must be permanently tied to prevent bleeding. This approach is a simpler surgical procedure, but at the same time, it ...
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Laser Doppler blood flow imaging using a CMOS imaging sensor with on chip signal processing
... for blood flow imaging is Laser Speckle Contrast Analysis (LASCA) [13–15], in which a full frame CCD camera is employed to acquire speckle images and a block of pixels is used to calculate the speckle ...
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<p>Perioperative Microcirculatory Changes Detected with Gastroscopy Assisted Laser Doppler Flowmetry and Visible Light Spectroscopy in Patients with Median Arcuate Ligament Syndrome</p>
... splanchnic vasoconstriction. The reduction in blood flow through the CA could cause a steal effect from the SMA, leading to small bowel ischemia. The other theory is that a neuropathic compression of the vessel ...
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Contribution of laser Doppler flowmetry with venoarteriolar reflex, cold, and rewarming testing, and intravital capillaroscopy to diagnose Raynaud's phenomenon
... Group 4, patients had to have typical anamnestic data for vibration white finger (VWF) disease (blanching of finger and exposure to vibrating tools), neurological or musculosk- eletal findings, and suspect IC images; ...
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Intra-operative optical monitoring of bowel tissue viability based on photoplethysmography and laser doppler flowmetry
... Measurement of oxygen saturation using the optical principles dates back to the 1930s, when it was demonstrated by Karl Matthes, that red light passes readily through oxyhaemoglobin but reduced haemoglobin absorbs it ...
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Determination of Capsaicin Induced Increase in Dermal Blood Flow Using Laser Doppler Flowmetry Technique
... least 2 times greater than seen in older group. Previous observations of decrease flare size in older individuals after acute application of capsaicin suggest that there is reduction in reduced skin blood flow in ...
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Effects of dry and mist saunas on circulatory and thermoregulatory functions in humans
... measured blood pressure, heart rate, skin temperatures at chest, forearm, thigh, and leg, tympanic temperature (Tty) by thermistors, skin blood flow at forearm by laser Doppler ...
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Non-invasive detection of microvascular changes in a paediatric and adolescent population with type 1 diabetes: a pilot cross-sectional study
... for laser Doppler flowmetry using a Periflux 5001 laser Doppler flowmeter (Perimed AB, Järfälla, Sweden) has been described elsewhere ...microvascular blood flow results were ...
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Effects of anti-inflammatory vagus nerve stimulation on the cerebral microcirculation in endotoxinemic rats
... nial laser Doppler flowmetry (LDF). The laser probe (BRL-100; Harvard Apparatus, South Natick, MA, USA) was placed ...The laser Doppler sig- nal and the systemic mean arterial ...
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The diagnostic accuracy of laser Doppler flowmetry in assessing pulp blood flow in permanent teeth: A systematic review
... LDF’s laser penetration, gingival and periodontal signal contamination, the location of LDF’s probe, the duration of the Flux measurement and the cut-off Flux value/threshold to which a tooth is considered to have ...
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Review Article Three-dimensional color power Doppler as an imaging technique in cancer
... intra-tumoral blood flow non-invasively, because the qualita- tive diagnosis is greatly contributed by the char- acteristics of the vascular pattern of the tumors [72, ...intra-tumoral blood flow is known ...
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Normal Cerebral Blood Flow Volume in Healthy Nigerian Adults
... Blood flow to the brain is very vital for its functions, although the brain weighs 2% of the total body weight, it receives about 15% of the body’s supply [1], therefore early detection of changes in cerebral ...
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Cost-effectiveness of laser Doppler imaging in burn care in the Netherlands
... Accuracy of LDI in our study patients will be checked also. Results of laser Doppler imaging are compared with the reference tests: time of wound healing (from burn date until >95% reepithelialisation) ...
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