TITLE

MICROVASCULATURE IN THE LEFT VENTRICULAR WALL OF THE HUMAN HEART

AUTHOR(S)
Rissanen, Viljo
PUB. DATE
June 1973
SOURCE
Angiology;Jun1973, Vol. 24 Issue 6, p345
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The pattern of the microvasculature of the left ventricular wall of human heart was investigated in 35 autopsied subjects. The heart was normal in 24 cases whereas in 11 hearts pathologic changes, severe obstructive coronary atherosclerosis and/or myocardial hypertrophy and dilatation were observed. The microangiographic technique used allowed the visualization of the vasculature up to the level of capillaries. The general pattern of arterial, arteriolar and capillary vasculature in the free wall of the left ventricle, in the papillary muscles and in the interventricular septum is described. The general pattern of the myocardial vasculature in the pathologic hearts was similar to that found in the normal hearts. The most important special feature in the pathologic hearts was the abundance of anastomotic channels at all levels of the vasculature. The density of the penetrating arterial and arteriolar vessels in the free wall of left ventricle was estimated in 13 normal hearts and 7 pathologic hearts. The density of the arteries 100 microns or more in diameter was lower in the pathologic hearts than in the normal ones, whereas the density of the vessels 50 to 99 microns in diameter was similar in both normal and pathologic hearts.
ACCESSION #
16358497

 

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