Knee joint incision and drainage

Knee incision and drainage for knee joint inflammation or cyst puncture and injection therapy for several days, no improvement or improvement in systemic and local conditions was not significant. However, if the pus is thick or fibrin deposits, puncture therapy cannot be used. Arthritis is caused by the spread of adjacent osteomyelitis, and osteomyelitis needs to be treated together. Treatment of diseases: knee joint injury knee osteoarthritis Indication 1. After a few days of puncture and flushing, there was no improvement or improvement in systemic and local conditions. 2. Pus viscous or fibrin deposition, can not be used for puncture washing therapy. 3. Arthritis is caused by the spread of adjacent osteomyelitis, and osteomyelitis needs to be treated together. Preoperative preparation 1. Apply a sufficient amount of sensitive antibiotics to the body for more than 24 hours. If necessary, supportive therapy such as blood transfusion and infusion should be given to improve the body's resistance. 2. Local braking is one of the important measures in the acute phase, which can curb the spread of lesions, relieve pain, prevent deformity and pathological dislocation of joints, and use skin traction or external plaster fixation. The former can also reduce the compression and necrosis of articular cartilage. . 3. It is necessary to perform joint puncture as early as possible, which not only helps to confirm the diagnosis, but also understand the types of pathogenic bacteria and their sensitivity to antibiotics, so as to choose effective antibiotics. 4. Cases should be examined by x-ray examination to understand the damage of bone and joints in order to determine the treatment policy. Surgical procedure 1. Position: supine position. 2. Incision and exposure: The knee joint is superficial. Usually, the anterior lateral and anterior medial incision are made on both sides of the humerus. From the upper plane of the humerus to the plane of the tibial tuberosity, the fascia and the humerus support ligament are cut to reveal the joint capsule. . The posterior incision should be in the low position of the limb in the supine position, which is conducive to drainage, but it is easy to automatically close, and can cause infection of the posterior fascial space of the lower leg. Only the posterolateral or posterior medial incision is used as the counter-invasion when necessary. If you need to make the posterior lateral or posterolateral incision, you can use the hemostatic forceps to insert the joint cavity from the anterior incision, and protrude from the posterior margin of the posterior lateral biceps tendon as an index of the incision to avoid damage to the common peroneal nerve. The posterior medial incision should be cut from the semitendinosus and semimembranosus muscles by the same method. 3. Cut the switch capsule and clear the pus: longitudinally cut the switch capsule, suck out the pus, move the knee joint, rinse thoroughly, check the joint surface damage, and remove all fibrin exudate and necrosis in the cavity. , exfoliated cartilage chips. According to the same principles and measures of hip incision and drainage, or suture the joint capsule or cut open.

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