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- C Hernández-Caballero, R Martín-Bermúdez, J Revuelto-Rey, M Aguilar-Cabello, and J Villar-Gallardo.
- Intensive Care Unit of Virgen del Rocío University Hospital in Seville, Spain. clarahdezcaballero@gmail.com
- Transplant. Proc. 2012 Sep 1;44(7):2106-10.
AbstractWe present the case of a 46-year-old woman referred to our center for urgent heart transplantation assessment, initially diagnosed as having cardiogenic shock of uncertain etiology. Some hours before she had suffered syncope without regaining consciousness. When she arrived at our hospital, the objective examination revealed bilateral unreactive mydriasis and absent brain-stem reflexes, and echocardiography showed global left ventricle wall hypokinesis sparing the apex. An urgent computed tomography (CT) imaging of the head was performed, which showed a massive subarachnoid hemorrhage and extensive cerebral edema. In the following hours, she fulfilled the criteria of brain-stem death and indeed became a multiorgan donor. The heart was rejected for transplantation because of the existence of left ventricle wall motion abnormalities associated with neurogenic stunned myocardium. Neurogenic stunned myocardium is a stress-related cardiomyopathy that occurs after an acute brain injury. It is especially frequent in subarachnoid hemorrhage, where it reaches an incidence of up to 40% of patients. It is characterized by acute electrocardiographic changes and regional hypokinesis of the left ventricle wall not consistent with the coronary artery distribution, and is thought to be a transient condition. For this reason it should not constitute an absolute contraindication to cardiac donation in young donors with no previous cardiac disease. In our hospital during the last year one third of the potential heart donors had regional left ventricle wall motion abnormalities compatible with neurogenic stunned myocardium. With the aim of improving the number of cardiac donors, several strategies have been described to try to demonstrate the reversibility of this entity, such as dobutamine stress echocardiography.Copyright © 2012 Elsevier Inc. All rights reserved.
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