Status Dystonicus: An Updated Review on Diagnosis, Pathophysiology, and Management
Abstract
Status dystonicus (SD), also called dystonic storm or dystonic crisis historically, represents a rare and life-threatening exacerbation of dystonia characterized by continuous (tonic) or phasic rapidly recurring dystonic spasms. Common triggers include infections, abrupt changes in medication, and metabolic stress, among others, and necessitate early recognition with multidisciplinary management to prevent multisystemic failure or dysfunction. SD arises in patients with generalized dystonia, more commonly in those with secondary causes, and is associated with basal ganglia dysfunction and predominantly dopaminergic disturbances. The Dystonia Severity Action Plan is a widely accepted staging tool that requires bedside assessment and helps inform therapeutic decisions and intervention levels. Management principles center on identifying and removing triggers, optimizing sedation and airway management, and administering disease-specific therapies. The review aims to provide an overview of the clinical spectrum, the physiological basis, commonly described precipitating factors, and updated management strategies for SD, highlighting a practical approach to the early identification of the syndrome and the bundling of care. A narrative review of peer-reviewed literature from PubMed and Scopus databases was conducted, with emphasis on publications covering etiopathogenesis, risk factors, clinical grading systems, therapeutic options, and outcomes. Key consensus guidelines and case…
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