Key result
Hyponatremia, rather than its correction, was speculated to cause central pontine myelinolysis leading to bilateral vocal fold immobility in a single patient.
Case Report (n=1)
This case report identifies hyponatremia-induced central pontine myelinolysis as a potential cause of bilateral vocal fold immobility.
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May expand differential for bilateral vocal fold immobility; single case leaves causal link open to confirmation.
We report a patient admitted with severe dyspnea due to bilateral vocal fold immobility (BVFI), associated with hyponatremia and pneumonia that required emergency tracheotomy. Cerebral magnetic resonance imaging showed a pons lesion compatible with central pontine myelinolysis. Hyponatremia is thought to be caused by hypovolemia. The hyponatremia, and not its correction, is speculated to be the cause of central pontine myelinolysis in this patient. To our knowledge, this is the first case reported of a bilateral vocal fold immobility caused by central pontine myelinolysis induced by hyponatremia.
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Gil et al. (2011) conducted a case report in Bilateral vocal fold immobility, hyponatremia, central pontine myelinolysis (n=1). Hyponatremia was evaluated on Central pontine myelinolysis causing bilateral vocal fold immobility. Hyponatremia, rather than its correction, was speculated to cause central pontine myelinolysis leading to bilateral vocal fold immobility in a single patient.
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