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[Effect of Dendrobii Officinalis Caulis water extract on hyperviscosity rats based on TLR4/NF-κB/ICAM-1 signaling pathway].
Zhongguo Zhong Yao Za Zhi
October 2024
School of Pharmaceutical Sciences, Zhejiang Chinese Medical University Hangzhou 310053, China.
This study aims to reveal the effect and mechanism of Dendrobii Officinalis Caulis water extract on the rat model of hyperviscosity induced by a high-sugar, high-salt, and high-fat diet. Thirty-six male SD rats were randomized into normal, model, Compound Danshen Tablets(0.5 g·kg~(-1)), and low-, medium-, and high-dose(0.
View Article and Find Full Text PDFDiagnosis of Skin Burn-Induced Colon Circulatory Disorders Using Optical Coherence Tomography Angiography and Laser Doppler Flowmetry (Experimental Study).
Sovrem Tekhnologii Med
November 2024
PhD, Senior Researcher, Laboratory of Optical Coherence Tomography, Institute of Experimental Oncology and Biomedical Technologies; Privolzhsky Research Medical University, 10/1 Minin and Pozharsky Square, Nizhny Novgorod, 603005, Russia.
Unlabelled: The condition of gastrointestinal tract determines in many respects the regenerative capacity and the risk of complications in patients with extensive skin burns. However, the mechanism of developing vascular dysfunction in the colon in the burned individuals has so far been poorly studied. is to study intramural circulatory disorders of the colon using optical coherence tomography angiography (OCTA) and laser Doppler flowmetry (LDF) in different time periods after modeling a thermal burn.
View Article and Find Full Text PDFMicrocirculatory Dysfunction in Patients With Diabetes Mellitus Detected by a Distributed System of Wearable Laser Doppler Flowmetry Analysers.
J Biophotonics
November 2024
Research and Development Center of Biomedical Photonics, Orel State University Named After I.S. Turgenev, Orel, Russia.
The paper is devoted to the study of perfusion and amplitude-frequency spectra of laser Doppler flowmetry (LDF) signals in patients with diabetes mellitus (DM) in different skin areas of the upper and lower extremities using a distributed system of wearable LDF analysers. LDF measurements were performed in the areas of the fingers, toes, wrists and shins. The mean perfusion values, the amplitudes of blood flow oscillations in endothelial, neurogenic, myogenic, respiratory and cardiac frequency ranges, and the values of nutritive blood flow were analysed.
View Article and Find Full Text PDFThe effect of intraperitoneal injection of LPS (pyrogenal, 100 μg/kg) on the asymmetry of the right-left hemodynamic balance of microcirculation (MCR) was studied in 10 male Wistar rats. Synchronous measurements of the MCR parameters of the outer surface of the symmetrical areas of the tail base were carried out by laser Doppler flowmetry. The coefficients of asymmetry of the regression relationships between changes in perfusion of each of the observation sides and the initial perfusion values of both the eponymous and opposite observation sides, as well as the mean values and coefficients of perfusion variation of the studied areas, were analyzed.
View Article and Find Full Text PDFIndicators (markers) of microcirculation stability (MCR) of the skin in symmetric areas of the head were studied in young (18-19-years-old) and elderly (60-80-years-old) male and female subjects. We performed synchronous MCR measurements of symmetrical areas of the head using laser Doppler flowmetry in 40 healthy volunteers (10 men and 10 women in each age group). Numerical values of stability markers (T1, T2, and ζ) and indicators of the right-left hemodynamic balance of the MCR (regression coefficients a1, a2, b1, b2) were obtained using the previously developed computational and experimental methods.
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