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Paroxysmal Sympathetic Hyperactivity
Abstract Paroxysmal sympathetic hyperactivity (PSH) is defined as episodes of increased sympathetic nervous system outflow caused by an internal or external stimulus in the setting of a severe acquired brain injury. PSH is thought to result from a loss of cortical inhibition of sympathetic outflow centers in the brainstem and ...Gary Galang +3 more
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Paroxysmal Sympathetic Hyperactivity
2011Abstract An underappreciated and undertreated condition that may cause potentially life threatening complications. The difficulties with management and short- and long-term pharmacologic approaches are discussed.
Eelco F. M Wijdicks +1 more
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The Role of Dexmedetomidine in Paroxysmal Sympathetic Hyperactivity: A Systematic Review
Annals of Pharmacotherapy, 2023Objective: The objective was to evaluate the efficacy and safety of dexmedetomidine in the treatment and prophylaxis of paroxysmal sympathetic hyperactivity (PSH). Data Sources: A review was conducted in accordance with the Preferred ...
Cole R. Jerousek, Justin P. Reinert
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Paroxysmal sympathetic hyperactivity: An entity to keep in mind
Medicina Intensiva (English Edition), 2019Paroxysmal sympathetic hyperactivity (PSH) is a potentially life-threatening neurological emergency secondary to multiple acute acquired brain injuries. It is clinically characterized by the cyclic and simultaneous appearance of signs and symptoms secondary to exacerbated sympathetic discharge.
D A, Godoy +3 more
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Early Diagnosis of Paroxysmal Sympathetic Hyperactivity in the ICU
Neurocritical Care, 2013Paroxysmal sympathetic hyperactivity (PSH) is a complication of acquired brain injury manifesting with episodic tachycardia, tachypnea, hypertension, diaphoresis, hypertonia, and posturing. No universally accepted diagnostic criteria exist and diagnosis is often delayed until the rehabilitation phase.Electronic records were screened to identify ...
Joshua D, Hughes +1 more
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Journal of Palliative Medicine, 2011
There are many people living in a permanent vegetative state in the United States. We report the first case of a patient in permanent vegetative state (PVS) who developed paroxysmal sympathetic hyperactivity (sympathetic storm) 8 months after the hypoxic brain injury that lead to PVS.Paroxysmal sympathetic hyperactivity is a relatively common ...
Emily R, Levy +2 more
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There are many people living in a permanent vegetative state in the United States. We report the first case of a patient in permanent vegetative state (PVS) who developed paroxysmal sympathetic hyperactivity (sympathetic storm) 8 months after the hypoxic brain injury that lead to PVS.Paroxysmal sympathetic hyperactivity is a relatively common ...
Emily R, Levy +2 more
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Paroxysmal Sympathetic Hyperactivity #458
Journal of Palliative Medicine, 2023Christine, Hudoba +3 more
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Paroxysmal Sympathetic Hyperactivity after Severe Brain Injury
Current Neurology and Neuroscience Reports, 2014Paroxysmal sympathetic hyperactivity (PSH) is characterized by the rapid onset and paroxysmal cycling of agitation and dystonia in association with autonomic symptoms. These symptoms may include the following: tachycardia, hypertension, tachypnea, fever, pupil dilation, decreased level of consciousness, diaphoresis, and ventilator dyssynchrony.
Devon, Lump, Megan, Moyer
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Paroxysmal Sympathetic Hyperactivity and Environmental Factors: A Pilot Study
Journal of Neuroscience Nursing, 2018ABSTRACT Problem: Paroxysmal sympathetic hyperactivity (PSH) is a complicated phenomenon that presents as autonomic instability and muscle overactivity in individuals who experience severe brain injury. Identifying potential modifiable environmental nociceptive stimuli is necessary for developing interventions that
Lisa, Letzkus +4 more
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Paroxysmal Sympathetic Hyperactivity
2019Abstract Neurologic examination of critically ill neurologic patients must be the uncompromised gold standard in any evaluation. Without it or when confounded, the attending physician is prone to make errors in diagnosis and prognosis. Even in intensive care units (ICUs), where abnormal laboratory test results and imaging findings are ...
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