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Effects of Hyponatremia on the Brain

Endocrine Unit, Department of Experimental and Clinical Biomedical Sciences "Mario Serio", University of Florence, Florence 50139, Italy
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J. Clin. Med. 2014, 3(4), 1163-1177; https://doi.org/10.3390/jcm3041163
Received: 25 July 2014 / Revised: 18 September 2014 / Accepted: 10 October 2014 / Published: 28 October 2014
(This article belongs to the Special Issue Hyponatremia: Advances in Diagnosis and Management)
Hyponatremia is a very common electrolyte disorder, especially in the elderly, and is associated with significant morbidity, mortality and disability. In particular, the consequences of acute hyponatremia on the brain may be severe, including permanent disability and death. Also chronic hyponatremia can affect the health status, causing attention deficit, gait instability, increased risk of falls and fractures, and osteoporosis. Furthermore, an overly rapid correction of hyponatremia can be associated with irreversible brain damage, which may be the result of the osmotic demyelination syndrome. This review analyzes the detrimental consequences of acute and chronic hyponatremia and its inappropriate correction on the brain and the underlying physiopathological mechanisms, with a particular attention to the less known in vivo and in vitro effects of chronic hyponatremia. View Full-Text
Keywords: hyponatremia; hyponatremic encephalopathy; osmotic demyelination syndrome; brain hyponatremia; hyponatremic encephalopathy; osmotic demyelination syndrome; brain
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Giuliani, C.; Peri, A. Effects of Hyponatremia on the Brain. J. Clin. Med. 2014, 3, 1163-1177.

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