بررسی میزان بروز و علل SIADH در 600 بیمار بستری در بخشهای کودکان

Background: Syndrome of inappropriate secretion of ADH (antiduiretic hormone) is one of the important causes of hyponatremia. In this situation، despite the decrease of plasma osmolality، the secretion of ADH continues. It is a complication of infection of respiratory tract and tumors. Methods: We have studied prevalence and causes of SIADH in 600 admitted patients in Baharloo hospital. Results: There was 18.5% hyponatremia and 7% SIADH. It was more frequent in girls، and in 1-5 year old children. The most common predisposing diseases were pneumonia، asthma، gastroenteritis and meningitis. In SIADH patients we had 3 mortalities. We did not have hypouriceima. Conclusion: This syndrome was mild in our patients.