Pathophysiology of Complex Regional Pain Syndrome Type I: Update

1 O.U. of Anesthesia, Intensive Care and Pain Therapy of Sant’Antonio Abate Hospital, Erice Casa Santa, Trapani, Italy. 2 O.U. of Anesthesia, Intensive Care and Pain Therapy of Azienda Ospedaliera Ospedali Riuniti Villa Sofia Cervello, Palermo, Italy. 3 Anesthesiology, Intensive Care and Pain Therapy Department, Catholic University, Medical School, Rome, Italy. 4 Plastic and Reconstructive Surgery Department, University 'Sapienza' of Rome, Italy.