Affiliation: | 1. Department of Anaesthesia, National Liver Institute, Menoufia University, Shebeen El‐Kom, Egypt;2. Faculty of Medicine, Department of Anaesthesia, Menoufia University, Shebeen El‐Kom, Egypt;3. Department of Hepatology, National Liver Institute, Menoufia University, Shebeen El‐Kom, Egypt;4. Department of Anaesthesia, National Hepatology and Tropical Medicine Research Institute, Ministry of Health, Shebeen El‐Kom, Egypt |