Читать книгу Pathy's Principles and Practice of Geriatric Medicine - Группа авторов - Страница 404

Water and volume homeostasis is under meticulous control through a complex interrelationship of the hypothalamus‐posterior pituitary and the renin‐angiotensin‐adrenal axis.^1,2 The elderly, however, are at increased risk for syndromes of both hyponatremia and hypernatremia, and these disorders are associated with further clinical complications.^3–5 Therefore, it is important to understand the physiology involved in normal water homeostasis, the potential problems associated with ageing, and the possible therapeutic modalities to correct these disorders.