- 時間：2023-01-04
- 點擊數(shù)：513
- 字體：
- 作者：admin
1. Patient preparation
(1) Informed consent for invasive examination should be signed before surgery to explain the necessity of examination or operation and possible intraoperative or postoperative complications to the patient in detail. The examination can only be carried out with the consent of the patient and his family.
(2) Preoperative explanation should be done to patients to relieve their concerns and strive for active cooperation to do allergy tests of related drugs.
(3) Fasting for at least 8h before surgery.
(4) Patients should wear clothes suitable for the requirements of X-ray photography, do not wear too much, too thick, remove metal objects or other clothing fabrics that affect photography, etc.
(5) Laryngeal anesthesia is the same as common upper gastrointestinal endoscopy.
(6) Venous access was established in the right forearm. In order to effectively control gastrointestinal peristalsis and facilitate operation, 20mg isocolidine (spasmolytic), 5-10mg diazepam (Diazepam) and 25-50mg piperidine (dexeridine) were routinely injected intravenously before surgery.
(7) Critically ill or elderly patients with important diseases of heart, lung, brain and other organs should be monitored with blood oxygen saturation, ECG and blood pressure, and oxygen inhalation if necessary.
(8) Acute or critically ill patients should be monitored intraoperatively for vital signs.
2. Equipment preparation
(1) Therapeutic duodenoscope with a working channel diameter of more than 2.8mm.
(2) ERCP imaging accessories, including ERCP imaging catheter and/or multipurpose catheter.
(3) Zebra guide wire.
(4) duodenal papilla incision.
(5) biliary expansion bougie or balloon expansion.
(6) naso-biliary drainage tube, spare left and right hepatic duct and common bile duct drainage tube as required.
(7) nasal guide tube. Sputum suction tube or catheter can be used instead.
(8) conventional contrast agent and negative pressure suction device.
