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  • Title: Blood pressure, nephrosclerosis, and age autopsy findings from the Honolulu Heart Program.
    Author: Tracy RE, MacLean CJ, Reed DM, Hayashi T, Gandia M, Strong JP.
    Journal: Mod Pathol; 1988 Nov; 1(6):420-7. PubMed ID: 3065780.
    Abstract:
    The aspect of nephrosclerosis reflected by fibrous intimal thickening of small arteries (arteriosclerosis) was measured by a newly introduced morphometric procedure in 154 autopsies of Japanese-American men in Honolulu. These men were subjects of the Honolulu Heart Program and had previously been assessed for blood pressure and other clinical characteristics in a prospective study. In periodic acid-Schiff (PAS)-stained sections of renal cortex, measurements were made of interlobular artery diameters and intimal thicknesses. Vessels of outer diameter 80 to 130 microns and 160 to 300 microns were examined separately and are called the "remote" and "close" levels of the interlobular arteries, respectively, defined in relation to the heart. Nephrosclerosis thus quantified, together with age, could be used to predict the levels of blood pressure (BP) to be found in retrospective review of past records. The mathematical function obtained in a former study to make these predictions was found to predict the observed levels of blood pressure to an acceptable degree in the groupings that involved 92% of the subjects. Verification of that formerly obtained predictive function is now claimed. Correlation coefficients relating BP to close and remote measures were about of equal magnitude (r = 0.34 and 0.40, respectively). Subjects with cardiovascular-renal causes of death differed in both nephrosclerosis and blood pressure from subjects whose cause of death was unrelated to cardiovascular-renal diseases; the two factors taken together each contributed significantly to the cause of death difference. Correlations between nephrosclerosis and aortic atherosclerosis were stronger than could be explained solely by a linkage to observed values of blood pressure.(ABSTRACT TRUNCATED AT 250 WORDS)
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