Severe Symptomatic Hyponatremia in Elderly Outpatients: The Role of Thiazide Therapy and Stress

Publisher: John Wiley & Sons Inc

E-ISSN: 1532-5415|32|2|108-113

ISSN: 0002-8614

Source: JOURNAL OF AMERICAN GERIATRICS SOCIETY, Vol.32, Iss.2, 1984-02, pp. : 108-113

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Abstract

Severe symptomatic hyponatremia (serum sodium level 112 ± 5.5 mEq/l) was encountered in six elderly outpatients within tour days of the onset of thiazide therapy. Associated polydipsia was present in two of these patients, but the thiazides alone appeared responsible in the others. In three other elderly outpatients, severe hyponatremia (serum sodium level 112 ± 5.25 mEq/l) developed after the acute emotional stress of relocation from their place of abode to a nursing home or hospital. Recurrent episodes of hyponatremia occurred in two patients following reinstitution of diuretic therapy, and, in two other patients, was precipitated by thiazides and stress on different occasions. Severe neurologic manifestations occurred in all patients and were mostly attributed to atherosclerotic dementia or stroke. Two patients died with severe hyponatremia, although all patients in whom cessation of thiazide therapy and water restriction were instituted promptly recovered without permanent sequelae.