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Erschienen in:
03.07.2017 | Short Communication
Intranasal dexmedetomidine for adrenergic crisis in familial dysautonomia
Erschienen in: Clinical Autonomic Research | Ausgabe 4/2017
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Purpose
To report the use of intranasal dexmedetomidine, an α2-adrenergic agonist for the acute treatment of refractory adrenergic crisis in patients with familial dysautonomia.
Methods
Case series.
Results
Three patients with genetically confirmed familial dysautonomia (case 1: 20-year-old male; case 2: 43-year-old male; case 3: 26-year-old female) received intranasal dexmedetomidine 2 mcg/kg, half of the dose in each nostril, for the acute treatment of adrenergic crisis. Within 8–17 min of administering the intranasal dose, the adrenergic crisis symptoms abated, and blood pressure and heart rate returned to pre-crises values. Adrenergic crises eventually resumed, and all three patients required hospitalization for investigation of the cause of the crises.
Conclusions
Intranasal dexmedetomidine is a feasible and safe acute treatment for adrenergic crisis in patients with familial dysautonomia. Further controlled studies are required to confirm the safety and efficacy in this population.