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Early Relowering of Serum Sodium Concentration Overcomes Disturbances in Consciousness during Hyponatremia Overcorrection and Prevents Osmotic Demyelination Syndrome.
Intern Med. 2018;57(16):2353-2357
Authors: Ochiai H, Uenishi E
Abstract
A 79-year-old woman without any cerebral hernia symptoms was hospitalized with hyponatremia. After syndrome of inappropriate antidiuretic hormone induced by drugs was diagnosed and water restriction implemented, the patient became comatose during overcorrection caused by the generation of a large volume of electrolyte-free urine. Once the serum sodium concentration was immediately relowered by the administration of desmopressin and 5% glucose solution, the patient's level of consciousness improved dramatically without osmotic demyelination syndrome (ODS) developing. This outcome suggests that, similar to the findings in rat models, relowering the serum sodium concentration as early as possible to counter a disturbance of consciousness during the overcorrection of hyponatremia prevents ODS.
PMID: 30111674 [PubMed - in process]