Continuous epidural analgesia (CEA) for open upper abdominal surgery has been showed the analgesic analgesia for open abdominal surgery. However the technical difficulty, complications especially hypotension, pruritus of CEA impede the popularity of technique compared to intravenous patient-controlled analgesia (IV PCA) in multimodal analgesia. This study is aimed to study of the role of CEA and multimodal analgesia in open abdominal surgery compare to IV PCA.
