Preoperative care for knee arthroscopy I. Psychological care: Knee injuries can directly affect the patient’s life and work, as well as the training of athletes, so patients are eager to request treatment. However, patients are often anxious about the outcome of treatment, especially the success or failure of surgical treatment. Therefore, from the beginning of admission, they should be given detailed health guidance, explaining the necessity of surgery, as well as introducing the method of anesthesia, body position, the way of surgery and the possible time needed for surgery, so that patients can have sufficient mental preparation, and thus build up their confidence in overcoming the disease and in surgical treatment. General care 1. Preoperative assessment of the patient’s general condition. First, find out whether the patient has any previous medical history, previous medication and drug allergy history. Next, understand the patient’s physical condition at the time of admission, whether the patient is suffering from other diseases at the same time, whether the skin condition of the affected limb affects the surgery, and if abnormalities are found, report to the doctor in time so that the corresponding treatment can be given. 2.Supervise the patient to improve the preoperative related examination, including blood routine, electrocardiogram, chest X-ray examination, etc., in order to ensure that the surgery is carried out on time. 3.Guide the patient to take a high-calorie, high-protein and high-vitamin diet before surgery, which is conducive to increasing the body’s resistance and recovery after surgery. Prevent colds. 4.Some patients have mobility problems due to joint injuries, so nurses should assist patients to complete various life care. 3. Skin care 1. Arthroscopic surgery has strict requirements for the skin in the operating field, and the skin cannot be operated if it is broken, scabies, swollen or folliculitis. 2.Tell the patient to avoid scratching or touching the affected limb, and to notify the doctor immediately if there is itching, redness or swelling of the skin, and not to treat it by yourself. 3. Do not eat irritating and spicy food before surgery to prevent skin allergy and rash. Pre-operative training 1, limb training: quadriceps is an important structure to maintain the stability of the knee joint, various injuries to the knee joint can cause atrophy of the quadriceps, such as preoperative muscle strength exercises are not strengthened, coupled with the fear of pain after surgery, will cause more serious muscle atrophy of the affected limb. Therefore, the preoperative practice method must be taught to lay a good foundation for the postoperative rehabilitation program to be completed. 2.Training to use the bedside commode, because the patient cannot go down for 6~24 hours after surgery, he should be taught how to use the commode and how to defecate in bed. 3.Practice the use of braces: according to the requirements of the condition, some patients use crutches for several days to several weeks after surgery, in order to ensure patient safety and prevent further joint injury. Nursing staff should not only explain the use of crutches, but also demonstrate the specific movements of walking with crutches until the patient mastered. V. Preparation the day before surgery: prepare the skin, explain the fasting time, and do personal hygiene to prevent colds. Postoperative care of knee arthroscopy I. General care 1. After the patient returns to the ward, comfort should be given, reasonable arrangements should be made for the patient’s transportation, attention should be paid to keeping the patient warm and protecting the patient’s privacy, and special attention should be paid to protecting various tubes from falling off. 2. According to the routine postoperative care after epidural anesthesia, the patient should lie flat on the pillow for 6 hours and explain to the patient that all movable joints can be moved within 6 hours after surgery except for the head, which cannot be lifted. 3.After surgery, promptly ask the surgeon about the intraoperative situation, ask if there are any special observations and whether the surgery went smoothly, etc. 4. Closely observe the reaction to anesthesia, changes in vital signs, movement of the affected limb and toes, pain and bleeding, and promptly detect any abnormalities and notify the surgeon of symptomatic treatment. Prevent the accumulation of blood and edema in the knee joint. 1. Place drainage tubes in the wound: observe the color, amount and nature of the drainage fluid, whether there is any twisting or obstruction of the drainage organ, etc., and deal with it in time. 2. Compression dressing of the affected limb: It can reduce further blood leakage from the wound and extravasation of body fluids, and ease the pain caused by excessive pressure in the joint. Closely observe the peripheral blood circulation.