Journal «Angiology and Vascular Surgery» • 

2000 • VOLUME 6 • №1

COMPARATIVE CHARACTERISTICS OF ATHEROSCLEROSIS OF UNPAIRED BRANCHES OF THE ABDOMINAL AORTA IN MALE POPULATION OF TASHKENT

M.S. Abdullakhodzhaeva, A.M. Daurekhanov, D.Q. Abdullakhodzhaeva
Republican Pathologoanatomic Center,
Tashkent, Uzbekistan

The aim of the present work was to exemine the celiac trunk, upper and inferior mesenteric arteries from 433 men who died at an age of 20-89 years from different causes. Of these, 159 subjects belonged to the indigenous and 274 to the non-indigeno us population. Altogether 984 arteries were processed. After fixation in 10% formaldehyde the arteries, according to the standard technique, were totally stained with Sudan IV for better identification of fat inclusions. For each artery the boundaries of the segments were established: 1) the celiac trunk – from the opening to bifurcation, 2) the upper mesenteric artery – the first 5 cm from the opening, 3) the inferior mesenteric artery – the first 4 cm from the opening. Atherosclerotic lesions were evaluated visually, by the planimetric unified technique proposed by WHO experts. The incidence of atherosclerotic lesions was recognized to increase with age. The main type of lesion were fibrous plaques which appeared to be of paramount importance for the development of ischemic lesions of the intestine. The upper mesenteric artery was involved most often (86.4%), the celiac artery was less affected (68.5%), and the inferior mesenteric artery was involved far more rarely (31.4%). Both the area of atherosclerotic lesions and their incidence were age-associated. The non-indigenous population suffered from atherosclerosis more often and in a more severe form. Calcification was identified starting from the age over 50 years and lodged in the area of the openings and proximal parts of the arteries. Stenosis greater than 50% was discovered in the inferior mesenteric artery (9.6%), in the celiac trunk (4.2%) and in the upper mesenteric artery (2.0%).

KEY WORDS: atherosclerosis, mesenteric arteries, elevated inclusions.

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