In the recent years, the use of epidural anesthesia were reported in the patients undergoing cardiac surgery because of their advantages include the attenuation of the neuroendocrine response to surgical stress, hemodynamic stability, better post-op analgesia. The major objection to the use of this regional techniques in cardiac surgery has been the risk of peridural hematoma due to the use of high doses of heparine during cardiopulmonary bypass.