Ionisiertes Calcium und Totalcalcium im Parotisspeichel bei Normalpersonen und essentiellen Hypertonikern
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Ionized calcium and total calcium in the parotid saliva of normal persons and patients with essential hypertension
The development of Ca2+-selective disk-electrodes and of a synthetic Ca2+-carrier has led to an enhanced technique of determination of the ionized calcium in the parotid saliva. In ten male and eight female normal persons and in nine patients with essential hypertension the salivary calcium concentration was examined.
Both the ionized and the total calcium was by 22% resp. 16% lower in normal females than in normal males. Increasing salivary flow rates rised the calcium concentration with almost unchanged quotients of Ca2+/Catotal. In hypertensive patients an elevated Ca2+-concentration was observed, also the total calcium was significantly increased. The salivary flow rate influenced the Ca2+/Catotal quotient considerably in this group.