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Osteoarthritis |
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Osteoarthritis is a degenerative disorder in which the rate of breakdown of articular cartilage exceeds that of its synthesis. It is related to aging. Cartilage is the tissue, which is a firm rubbery protein material, which covers the end of bones. It acts as a cushion or shock absorber between the bones. It allows smooth and painless movement. When the cartilage is lost then the bones will grind together. It affects all the joints, especially the knees, ankles, fingers and the thumb. Obesity, malalignment of the knees, occupations like overhead painters, and sportsmen are more likely to get osteoarthritis.
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| Symptoms |
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Chronic swelling. The joint swelling is not red or hot.
Pain
Joint stiffness
Grating sensation inside the joint.
Pain on movement, which is better with rest. The pain is worse in cold weather.
Loss of dexterity of a joint.
Limitation of movement of a joint.
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| Causes and risks |
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Aging
Overuse
Injury
Malalignment like varus and valgus knees
Certain occupations which stress the joint
Overhead sports |
| Treatment |
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.Commonsense measures like rest, ice, compression and elevation if the pain is very severe
.Later on, local heat may be given in the form of a pad, hot water bottle, and wax bath.
.Absolute rest is only advised if mandatory otherwise it is better to remain active to keep the muscle tone up.
.Tablet Paracetamol or COX 2 inhibitors may be used.
.The doctor may advise an injection of a steroid/ Hyaluronate.
.Other measures include provision of heel wedges to decrease the outward swaying that people with osteoarthritis adopt while walking.
.Surgical options include
High Tibial Osteotomy or Femoral Osetotomy is required to correct malalignment in relatively younger patients.
.Unicondylar knee replacement
.Total knee replacement-Knee replacement is a temendously sucessful operation as the survivor ratio of the implant inside the human body exceeds 95% at 10 years and is more than hip replacements. It is very important to choose your orthopedic surgeon as the results are directly proportional to the skill and experience of the surgeon. Knee replacements offer lasting pain relief. Modern knees allow greater than 90 degrees of knee bend and this is important for Indians and people in the South asian subcontinent. People here offer Namaz on bent knees and squat on the floor. Knee replacments are much cheaper in India than in the West.
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