• Jason S Finkelstein and Bekir H Melek.
• Department of Medicine, Section of Cardiology, Veterans Administration Medical Center and Tulane University School of Medicine, New Orleans, Louisiana 70112, USA.
• Tex Heart Inst J. 2006 Jan 1; 33 (1): 57-9.

AbstractAlthough autonomic dysfunction is a common manifestation of Guillain-Barré syndrome, cardiovascular involvement in this setting has rarely been reported in the literature. We describe a case of reversible left ventricular systolic dysfunction in a 60-year-old man with Guillain-Barré syndrome. Our patient had no history or signs of cardiac dysfunction on initial presentation. During the clinical manifestation of his autonomic dysfunction, he developed electrocardiographic changes accompanied by mildly elevated cardiac enzymes and severe left ventricular systolic dysfunction and segmental wall motion abnormality, which coincided with elevated urinary catecholamine and vanilmandelic acid levels. These abnormalities, and his symptoms, resolved rapidly once the acute episode was over. We believe the reversible left ventricular dysfunction was due to the toxic effect of increased catecholamines and to the transiently damaged sympathetic nerve endings in the myocardium, presumably a consequence of Guillain-Barré syndrome. We recommend that echocardiography be performed in patients with clinical signs of autonomic dysfunction, especially if they are associated with abnormal electrocardiographic findings, cardiac enzyme elevation, or hemodynamic instability, so that appropriate medical therapy can be instituted in a timely manner.

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