1 Department of Anesthesiology, Division of Cardiothoracic and Vascular Anesthesiology, The Ohio State University, Wexner Medical Center, Columbus, OH.
2 Department of Internal Medicine, Division of Cardiology, The Ohio State University, Wexner Medical Center, Columbus, OH; Department of Critical Care, Cairo University Teaching Hospitals, Cairo, Egypt.
3 Department of Anesthesiology, Division of Cardiothoracic and Vascular Anesthesiology, The Ohio State University, Wexner Medical Center, Columbus, OH. Electronic address: [email protected].