Abstract
Pontine myelinolysis (PM) can be a nerve disorder represented by pons demyelination. it is characterized by damage to regions of the brain, most commonly tracts pontine substantia alba, after rapid correction of metabolic disorders such as hyponatremia. PM (Pontine Myelinolysis) is categorized into Central pontine myelinolysis (CPM) and extra pontine myelinolysis (EPM). The various studies revealed that quick correction of hyponatremia plays a vital role in the pathogenesis of ODS. Prevention of ODS must be conducted by gradually increasing sodium concentration of 4–6 mmol/Lin in any 24-h period. PubMed and Medline literature search was done using CPM and hyponatremia as keywords. The principal aim of this review is to encapsulate, the recent evidence from literature about the association between rapid correction of hyponatremia and central pontine myelinolysis.
 Keywords: Demyelination syndrome, EPM, CPM, Serum tonicity, Hyponatremia, Demyelination
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