If you have exhausted other osteoarthritis treatment options and still experience knee pain, you should speak with your doctor about the possibility of knee replacement, also called arthroplasty. It can help reduce your pain and improve your ability to move.
Knee replacement surgery involves removing all or part of the knee joint and replacing the damaged parts with an artificial joint. These are made of metals and plastics. Although it may take months to recover fully, depending on the extent of your surgery, the relief it provides can last many years or even a lifetime.
It may be time to have knee replacement surgery if you have:
Severe knee pain that limits your everyday activities
Moderate or severe knee pain while resting, day or night
Chronic knee inflammation and swelling that doesn’t improve with rest or medications
Knee deformity: a bowing in or out of your leg
Knee stiffness: inability to bend and straighten your knee
No pain relief from NSAIDs.
Or if you:
Can’t walk more than a few blocks without significant pain
The following are the signs if you already need a knee replacement surgery: a) If the pain in the knee keeps you awake at night, or causes you to wake up when you roll over. If this persists, for more than a couple of days you should consult your doctor. b) Medication and using a cane aren’t delivering enough relief c) Your knees are stiff or swollen d) You have difficulty walking or climbing stairs e) You experience morning stiffness that typically lasts less than 30 minutes (as opposed to stiffness lasting longer than 45 minutes, a sign of an inflammatory condition called rheumatoid arthritis)
[Source:Quality Knee Surgery in Asia [http://www.placidway.com/search/Asia,Knee-Surgery,/search.html]]
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