KARDIOCHIRURGIA I TORAKOCHIRURGIA POLSKA, cilt.10, sa.2, ss.139-147, 2013 (SCI-Expanded)
Introduction: The definition of pain focuses mainly on tissue damage and provides information regarding pathophysiological changes in the human being [1]. Patients experience pain as a response to this tissue damage after surgery and the pain intensity after thoracotomies is known to be severe [2].