Copyright © 2004 by the European Society of Cardiology.
Letter to the Editor
Direct epicardial mapping predicts the recovery of left ventricular dysfunction in chronic ischaemic myocardium
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We read with interest the article of Vahlhaus et al.,1 concerning epicardial mapping to predict the recovery of left ventricular dysfunction in chronic ischaemic myocardium. This study has been based on bi-polar voltage mapping criteria during surgery for the diagnosis of myocardial hibernation.
The authors report that there is a great overlap between groups of viable and non-viable myocardial segments found in a grey zone of 5.412.3 mV. They also state that the data provided by their study is obviously obtained too late to help in pre-operative decision making, but that bi-polar voltage may be useful to understand the pathophysiology of