Suggest Treatment For Severe Degenerative Arthritis In The Knee

What is the treatment for severe degenerative arthritis of theknee? This involves the medial and lateral compartments. There is bone sclerosis. There is bone production and multiple loose bodies in the infrapatellar and supratellar region. There are multiple loose bodies posteriorly and well as projecting osteophytes. Male, 5-10", 182 ponds, good health.