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Journals and Conferences
Laser radiation of different power had various effects on the properties of erythrocytes. An increase in the radiation power from 2.2 to 25 mW/cm2 was accompanied by a decrease in the erythrocyte sedimentation rate and an increase in erythrocyte filtration index. Radiation of 50 mW/cm2 induced abnormal erythrocyte aggregation. Increasing the time of… (More)
The responses of rat pial vessels to red laser irradiation can be mediated by NO. NO mainly affects major arteries and did not contribute to reactivity of small pial arteries and precortical arterioles.
Experiments on Wistar rats showed that blood flow in the cortex and subcortical brain structures was not completely restored within 21 days after transient ischemia caused by bilateral carotid artery occlusion with controlled hypotension. After 7 days of reinfusion, the end-diastolic blood flow velocity increases with simultaneous decrease in pulsation… (More)
Segment-specific characteristics of the reactions of pial arteries of different generations to intravenous injection of norepinephrine were studied under conditions of instrumental stabilization of systemic blood pressure in rats with blocked α- and β-adrenoceptors.
Experiments on WKY and SHR rats showed that low-intensity laser irradiation reduced the tone of pial arterial vessels thereby potentiating the subsequent constrictor effect of norepinephrine. Irradiation in the red region of the spectrum produced a more pronounced effect in the blue region. The observed effects were less pronounced in SHR rats compared to… (More)
Differential characteristic of the reaction of pial arteries of various generations to intravenous administration of norepinephrine was obtained in experiments on rats under artificially stabilized systemic blood pressure.
Reactions of pial vessels to hypercapnia were studied in Wistar rats one week after global cerebral ischemia. In ischemic rats, the responsiveness of pial vessels to hypercapnia was diminished, which promoted a decrease in cerebral perfusion reserve. Changes in vascular responsiveness in the arterial and venous subdivisions of the vascular bed were observed… (More)