Abstract
To elucidate the compositional changes of the cerebral arteries with aging, the authors investigated age-related changes of the calcium and phosphorus contents in the cerebral arteries by inductively coupled plasma-atomic emission spectrometry. The subjects consisted of 11 men and 5 women, ranging in age from 52 to 96 yr. The anterior, middle, and posterior cerebral arteries derived from the same subjects were used in the present study. It was found that there were no significant relationships between age and calcium or phosphorus content in the anterior, middle, and posterior cerebral arteries, indicating that the accumulation of calcium and phosphorus scarcely occurred in the anterior, middle, and posterior cerebral arteries with aging. It was examined whether there were relationships in the calcium and phosphorus contents among the anterior, middle, and posterior cerebral arteries, It was found that there was a significant relationship in both the contents of calcium and phosphorus between the middle and posterior cerebral arteries, but not between the anterior and middle cerebral arteries nor between the anterior and posterior cerebral arteries.
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