What is Osteoarthritis?
Osteoarthritis (OA) is an ageing-related degeneration of joint cartilage and bone, often affecting the middle-aged people and the elderly. It causes stiffness and pain in the hip, knee and thumb joints.
The joint cartilage is a flexibility-inducing rubbery cushion that covers bones in the joints. With the wear and tear of the body, the weakened cartilage can get damaged as one grows older. The joint cartilage gradually loses its ‘shock absorber’ qualities, with the result that bones start rubbing against each other. This friction causes osteoarthritis pain.
Women at greater risk:
Women are at a higher risk of osteoarthritis for the following reasons:
In India, most patients are at an advanced stage of arthritis by the time they seek medical help.
In initial stages such as Stage 1 and 2, physiotherapy can be sufficient for pain relief and to develop muscle power. Painkillers (under the strict supervision of doctors) can work, including taking supplements like glucosamine and chondroitin.
During the advanced osteoarthritis Stage 3 and 4, medications become less effective. An injection of hyaluronic acid along with steroid into the joint can give some relief. Once this too fails, the patient becomes dangerously dependent on painkillers for even basic movement. This is the stage that may need knee replacement surgery.
The orthopaedic surgeon decides on the need for surgery, including convincing the patient that surgery is the best option.
Successful knee replacement surgery depends on multiple factors, including keeping under control possible co-morbidities like diabetes, hypertension, cardiac, renal, or liver problems. Teamwork is needed, and this involves the surgery team, physiotherapist, and psychological counsellor, co-operation of the patient and support of the patient’s family members.
Weight control: Being overweight puts more pressure on the knees. It causes the wear and tear of the cartilage as the body ages. Excess fat can lead to the body producing a toxic protein called cytokines. This causes widespread inflammation and disrupts the working of cartilage cells.
Controlling blood sugar: Higher sugar levels affect the cartilage; diabetes increases the risk of inflammation and cartilage damage.
Regular exercise: Moderate exercise helps in the flexibility of the joints and strengthens muscles supporting the knees. Daily exercise reduces the risk of many diseases. The activity can include walking, gardening, doing active household chores, swimming for 30 minutes, five times a week.
Reduce injury risk: Reduce the risk of falling by wearing footwear that fits well, including soles of shoes having grooves to prevent slipping on a wet floor and rainy roads. Use protective gear when playing sports. Injuries to the cartilage increase the chances of osteoarthritis.
Avoid joint strain: Avoid or reduce the activity involving repetitive motions of the knee joint, such as kneeling or squatting. If such repetitive movements are unavoidable due to the nature of one’s work, then ensure sufficient rest between periods of work or exercise.
Seek medical expertise: Consult a doctor regarding the treatment and lifestyle changes when discomfort in the joints starts.
A healthy diet, sufficient sleep, reducing stress and an overall wholesome lifestyle helps to keep away many diseases including osteoarthritis.
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