THE MECHANISMS OF REORGANIZATION OF BLOOD VESSELS OF MYOCARDIAL RIGHT ATRIA AT HEMODYNAMIC CHANGES

N. S. Kukurtchyan, G. R. Karapetyan

Abstract


It was shown that pulmonary arterial valve stenosis moderate changes in hemodynamic parameters of patients lead to a change in the structure of cardiomyocyte and blood vessel. Strengthening of plastic processes, lead to hypertrophy and proliferation of endothelial cells as well as to increase of blood vessels' lumen diameter. Quite interesting is the fact that new capillaries formed mostly by intuscusseptive angiogenesis. In the same way new arteries are formed. Hemodynamic changes of heart right compartment accompanied by structural vascular and cardiomyocyte remodeling. In the later stages of disease vascular remodeling goes by the mechanism of intussusceptions forming vessels of different caliber.

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DOI: http://dx.doi.org/10.17628/ecb.2014.3.911-914

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