Why do I need to take medication after coronary artery bypass grafting? Because coronary heart disease is caused by atherosclerosis, which is a gradually developing systemic disease. Surgery can only solve the ischemic symptoms, but cannot curb the development of systemic atherosclerosis. Therefore, it is necessary to do a reasonable post-surgery regimen and take medication for a long period of time to ensure the effectiveness of the surgery. Record blood pressure and pulse: Make it a good habit to measure and record your blood pressure and pulse count every day. Prevent colds and flu: After discharge from the hospital, try to prevent noise and contact with people who have colds, sore throats and other signs of infection to prevent colds and flu. Avoid public places where crowds gather until your body has fully recovered. After coronary artery bypass grafting, quit smoking and alcohol, control blood pressure, blood sugar and blood fat Quit smoking and limit alcohol, and control blood pressure below 130/80mmHg. Diabetic patients should control fasting blood glucose to about 6mmol/L, and two-hour postprandial blood glucose to 8mmol/L or less. The total cholesterol should be lower than 4.68mmol/L, LDL should be lower than 2.60mmol/L, triglyceride should be lower than 1.70mmol/L, and HDL should be higher than 1.0mmol/L. Pay attention to the diet after coronary artery bypass grafting, moderate weight loss, and weight control: Increase the intake of proteins and vitamins, and don’t eat too much greasy food. The main focus is on light, coarse-fiber foods. Limit water and salt. Eggs, lean meat, milk, bone broth, calcium tablets can be eaten, slowly regulate. For obese patients, they should lose weight about 3 months after the operation under the guidance of the doctor. Coronary artery bypass grafting should be moderate activity after the operation — gradual, day by day increase: 1~2 months after the operation patients can return to normal work, 1~3 months after the operation can be fully resumed general physical activity. To participate in outdoor activities appropriately. Postoperative walks should be taken twice a day, and each walk should be gradually increased from 5 minutes to more than 30 minutes. If you experience any discomfort such as chest pain, shortness of breath, asthma and fatigue while walking, you should stop the activity immediately. When should I stop wearing the chest strap? Purpose of the chest strap: to protect the chest incision, promote healing, reduce pain, and facilitate coughing and sputum. The chest strap should be worn until 4 weeks after surgery. Why is the lower leg where the blood vessel was removed edematous after coronary bypass surgery? There will be a long incision on the leg where the blood vessel was removed after surgery. After the removal of the blood vessel, the deep veins of the lower limbs will be burdened and swelling of the lower limbs will occur, which will be more obvious after activity, and will be more pronounced by elevating the lower limbs during sleep (lower calf padding). With the increase of activity, the function of the deep veins of the lower limbs will improve after compensation. Precautions for the incision after coronary artery bypass grafting: You can take a bath as soon as the incision is healed, but do not use irritating soap and do not rub the skin at the incision. When you notice redness, swelling, tenderness, or oozing from the incision, you should go to the hospital as soon as possible to check for an incision infection. For the first few weeks after returning home, the patient may feel discomfort at the incision site, which may be increased by sneezing, coughing, sudden changes in position or prolonged periods of inactivity. The discomfort usually improves after 1-2 months and almost disappears after 6 months. After coronary artery bypass grafting, the skin of the chest and leg incision is mildly numb and there is some discomfort, which is a normal phenomenon. Review should be insisted after coronary artery bypass grafting: Patients after coronary artery bypass grafting must undergo regular cardiology outpatient checkups, and should consult the doctor in time if they have symptoms such as chest tightness and chest pain. Recommendation: Hospitalization 1-2 times a year, systematic formal examination and infusion to protect coronary blood vessels.