The Greek e-Journal of Perioperative Medicine is the electronic version of the official publication of ?The Society of Anesthesiology and Intensive Medicine of Northern Greece? (ISSN 1109 ? 6888). It has recognized by the Ministry of Health among the National Scientific Journals (FEK 964/20-7-2006). Publications in the journal are copyrighted. In this open access e-journal, material submitted for publication include: Editorial articles, Special articles, Clinical studies, Experimental studies, Case reports, and Correspondence letters to the editors in the field of Perioperative Care, Anesthesia, Critical care and Emergency Medicine.