2.5.1. Control group.
joints, depression, anxiety, damage joints
STERILE, JOINT EFFUSION, CAVITY
Patients will be placed in the sitting or supine position, and the knee joint will be kept bent 70° to 90°, sterilized strictly, with sterile towel laid and aseptic operation performed. The lower lateral or inner side of the patella will be used as the conventional puncture point, and the knee joint cavity will be punctured through a 5 mL syringe. If there is joint effusion, it will be drained first, and then 25 mg sodium hyaluronate will be injected (KUNMING BAKER NORTON PHARMACEUTICAI, SALES CO.LTD. [Kunming City, Yunnan Province, China], specification 2.5 mL: 25 mg, CFDA approval number: H20140533); if not, 25 mg sodium hyaluronate can be directly injected into the joint cavity. After injection, help the patient to move the knee joint so that sodium hyaluronate can be evenly coated on the internal surface of the joint. One time/week, 4 times as a course of treatment. Health education should be carried out for patients to avoid acute jumping, walking up and down stairs, climbing mountains and other activities that damage joints, and remind them to pay attention to the warmth of joints as well. Pay attention to communicate with patients, be aware of their psychological and emotional changes, avoid or relieve anxiety, depression, and other adverse emotions of the elderly patients.