Introduction:

Osteoarthritis is considered a disease of rheumatological damage and the most prevalent of this group. It is characterized by progressive loss of articular cartilage, apposition of new bone in the trabecular ark of subchondral bone, and formation of osteophytes at the margins of the joint.

Objectives:

To address aspects related to the conceptualization, methods and therapeutic approaches of knee osteoarthritis.

Methods:

Medical Subject Headings and health sciences descriptors were used. The updated literature on the disease, methods, and therapeutic approaches to address knee osteoarthritis were reviewed.

Conclusions:

Joint lavage by puncture and lavage with arthroscopic debridement guarantee the efficacy of the treatment of light and moderate knee osteoarthritis. Arthroscopy positively influences the perception of quality of life of patients with knee osteoarthritis.

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