What should be done before interventional therapy for liver cancer?

Interventional therapy of liver cancer refers to regional local chemotherapy by injecting anticancer drugs or embolic agents into hepatic artery through femoral artery cannula. At present, it is the first choice for non-open surgery to treat liver cancer. Interventional treatment of liver cancer is simple, safe and reliable, and can also be performed by the elderly, the infirm and patients with certain diseases, so it is very popular. Before interventional therapy, several preparations should be made normally: preoperative evaluation includes understanding the location, number and size of lesions in patients with liver cancer, and it is suggested that PET-CT should be checked normally, which can provide a very comprehensive analysis of lesions. In addition, the patient's physical condition is also one of the main contents of the assessment, such as coagulation function, cardiopulmonary function, liver and kidney function and so on. Psychological nursing includes explaining the purpose, curative effect, routine operation methods, steps and preoperative preparations to patients and their families. Let patients and their families know something and be psychologically prepared. It can cooperate with clinical treatment to achieve better therapeutic effect. Preoperative preparation includes iodine allergy test. Inject 30 compound meglumine diatrizoate 1mL into Shenmai, and observe whether the patient has allergic reactions such as dizziness, nausea, vomiting, palpitation and measles within 15-20 minutes. Prepare the pudendal skin before the operation. Fasting water for 4 hours before operation, emptying urine and feces as much as possible. (Is interventional therapy for liver cancer effective? )