January 3, 2012
Whether it's music, lifestyles, or a refuse-to-age outlook, Baby Boomers think of themselves as trailblazers. Now, that generation born between 1946 and 1964 can claim credit for another "first"-a dramatic increase in knee replacement surgeries.
Women and men between the ages of 45 and 64 were more than twice as likely to have had knee replacement surgery in 2009 than in 1997, recent data from the Agency for Healthcare Research and Quality (AHRQ) show. The rates among women were even higher.
Knee replacement surgery is most common in people whose knees have been damaged by osteoarthritis (OA), rheumatoid arthritis, or injury. Due to their age and fondness for sports, Baby Boomers fit neatly into each category.
The percentage of people who have osteoarthritis, the most common type of arthritis, grows with age. About 27 million Americans have this condition, and, after age 45, it is more common in women. Osteoarthritis occurs when the cartilage that coats the end of each bone breaks down. This can cause the bones to rub against each other, causing pain and stiffness.
Knee pain may also be caused by rheumatoid arthritis, a less common form of arthritis that occurs when the membrane surrounding the joint becomes inflamed. Over time, inflammation damages cartilage, resulting in pain and stiffness. Rheumatoid arthritis affects about 1.3 million people-more women than men. It often begins in middle age, but can occur in children and young adults.
Arthritis after a serious knee injury or repeated stress is another reason for knee replacement surgery. Pain caused by ligament tears or bone fractures caused by sports injuries, for example, may be managed non-surgically for years. Over time, however, pain and limited knee function causes some patients to consider knee replacement surgery.
If you have knee pain from one of these causes, you've probably heard about treatments that are intended to relieve pain and even postpone the need for surgery. Some, but not all, of these options work, a review of 86 research reports funded by AHRQ has found.
What has been shown to work?
What has been shown not to work?
If conservative treatments don't provide relief from pain, it may be time to consider knee replacement surgery. The good news is that this procedure has been shown to give a better quality of life that makes it worth the cost, a Government-funded study has found. The benefits of this procedure are even better if the surgery is done at a hospital that does a large number of knee replacement procedures.
Before you have surgery, prepare yourself for the best possible outcome by asking questions of your surgeon. You will feel more in control of your health if you have a good idea of what to expect before, during, and after surgery.
I'm Dr. Carolyn Clancy, and that's my advice on how to navigate the health care system.