Effect of Platelet-rich Plasma (PRP) Injection on Knee Osteoarthritis

Inclusion Criteria: * The age range of the participants was 20 to 60 years old. Through a comprehensive clinical and imaging examination, it was conclusively determined that the individuals had knee osteoarthritis or experienced injuries to the cart, and meniscus surrounding the knee joint. * The preoperative routine tests and examinations revealed no contraindications. * Revised sentence: "Informed consent of the patient Exclusion Criteria: * The platelet count or function exhibits significant abnormalities、Systemic infection transmitted through the bloodstream. * Prolonged usage of anti-inflammatory drugs and systemic corticoid administration. * In injection site or damage to the skin. * Patients with tumors or undergoing radiotherapy and chemotherapy. * Pregnant or breastfeeding women. * Individuals with mental illnesses who are unable to cooperate with follow-up procedures. * Contraindications for MRI、Patients or their families do consent to participate in the study. * Other circumstances that render participation in the study unsuitable.