Nov 14, 2019

Neurogenic Stunned Myocardium in Severe Neurological Injury

Current Neurology and Neuroscience Reports
Benjamin B KenigsbergJason J Chang

Abstract

Neurogenic stunned myocardium (NSM) is a poorly recognized cardiac manifestation of neurological illness. This review addresses the contemporary understanding of NSM pathophysiology, epidemiology, diagnosis, and clinical management. While the precise pathophysiology and diagnosis remain unclear, NSM is phenotypically atypical stress cardiomyopathy that can be partially attributed to excess catecholaminergic toxicity. NSM is a diagnosis of exclusion where electrocardiography, echocardiography, and cardiac biomarkers are frequently abnormal. Clinical expertise is crucial to evaluate and differentiate NSM from acute coronary syndrome and in the evaluation of potential cardiac transplantation donors after unsalvageable severe neurological injury. Neurogenic stunned myocardium is a relatively common and clinically impactful condition. More research is needed, particularly to refine clinical prognostication of NSM and rule out intrinsic cardiac injury in order to optimize donor candidacy in the event of brain death.

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Mentioned in this Paper

Research
Clinical Management
Ventricular Tachycardia, Catecholaminergic Polymorphic,1 (Disorder)
Myocardium
Brain Death
Donor Person
Evaluation
Echocardiography
Trauma, Nervous System
Takotsubo Cardiomyopathy

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