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The effect of vasodilators on microrheological properties of erythrocytes in norm and in chronic heart failure

https://doi.org/10.24884/1682-6655-2012-11-4-71-77

Abstract

Red blood cells may regulate tissue circulation and O2 delivery by releasing the vasodilators ATP and NO in response to hypoxia. RBCs may act as sensors of tissue O2 requirements via their degree of hemoglobin deoxygenation. In this study we investigated the influence of known vasodilators (adenosine, ADP and NO donor (SPER/NO) on rheological blood properties in norm and in chronic heart failure. Elevation of blood fluidity in presence of the studied substances in norm as well as in chronic heart failure was due to the optimization of microrheological properties of erythrocytes (an increase of their deformability and decrease of aggregability).

About the Authors

I. A. Tikhomirova
Yaroslavl State Pedagogical University
Russian Federation


A. O. Oslyakova
Yaroslavl State Pedagogical University
Russian Federation


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Review

For citations:


Tikhomirova I.A., Oslyakova A.O. The effect of vasodilators on microrheological properties of erythrocytes in norm and in chronic heart failure. Regional blood circulation and microcirculation. 2012;11(4):71-77. (In Russ.) https://doi.org/10.24884/1682-6655-2012-11-4-71-77

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