Joint Replacement
Total knee replacement is reserved for the most severe and recalcitrant forms of osteoarthritis. When other forms of treatment fail or when patients are unlikely to succeed with lesser therapies, the last option to treat defective cartilage is to replace all or part of the joint. In knee joint replacement, the worn out surfaces of the knee are resurfaced with metal and plastic, replacing the poorly functioning natural joint with new surfaces that slide together smoothly. The dysfunctional joint is removed and pain is relieved. Total knee replacement is considered a relatively routine surgery with a 95% success rate at 20 years. There are more than 300,000 total knee replacements in the United States each year. The average patient age is between 65 and 75. Of these surgeries, approximately 80% are unilateral (only one knee replaced) and 20% are bilateral. Interestingly, women undergo the procedure more often than men, making up 60% of the patient population.
Read more about this topic: Knee Cartilage Replacement Therapy
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