Inclusion criteria | |
1. Previously diagnosed T2DM 2. Diagnosed with CAD with coronary angiography and indicated for OPCAB 3. Age between 18 and 75 years old 4. First operation in the morning and anesthesia induced around 8:00 5. Written informed consent by the patients | |
Exclusion criteria | |
1. Combined with other heart diseases or vascular malformations that require surgery in addition to OPCAB 2. Presence of symptoms or signs of heart failure such as orthopnea, distended jugular vein, and lower extremity edema 3. Reduced LVEF (lower than 50%) 4. Combined with gastroesophageal reflux 5. Combined with thyroid insufficiency requiring replacement therapy with levothyroxine 6. Combined with adrenal insufficiency requiring replacement therapy with corticosteroids 7. Refuse to participate. |