Inhibition of aldosterone response to surgery by saline administration

The renin‐angiotensin system, ACTH and hyperkalaemia are known to induce increased plasma levels of aldosterone. In order to assess the relative significance of these mechanisms during surgical stress, aldosterone, cortisol and electrolytes in plasma were measured in 12 otherwise healthy women during and after cholecystectomy. The patients received either isotonic sodium chloride or 5 per cent glucose in water during the experimental period of 22 h.

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