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Chronic knee pain is one of the most common reasons older adults in India have trouble with mobility. It may be from age-related wear or conditions such as osteoarthritis, but the effect on a person's daily life may be considerable. It is very often aching to walk, walk stairs, or even stand for extended periods. For most suffering from crippling pain within their joints, total knee replacement is a possibility of being able to walk and be independent once more. The surgery is also referred to as total knee arthroplasty, and it substitutes the compromised components of the knee joint for artificial ones. In this article, we demystify all that Indian patients need to know about the surgery, from how to think about having the surgery to what recovery actually is.
Synopsis
What is Total Knee Arthroplasty?
Total knee arthroplasty is a surgical procedure where worn-out or damaged surfaces of the knee joint are replaced with artificial implants. The doctor recommended the procedure when the cartilage that cushions the bones has eroded, most often due to osteoarthritis. In this procedure, the surgeon removes the damaged ends of the femur and tibia and caps them with metal and plastic components that perform the same natural movement as the removed parts of the joint. Depending on the situation, the kneecap may also be resurfaced. Restoring function, reducing pain, and enabling patients to resume an active lifestyle are the objectives.
Types of knee replacement & implant options
Not all knee replacements are the same. Total knee replacement (TKR) addresses damage across the entire joint, while partial (unicompartmental) knee replacement resurfaces only the affected portion, typically recommended for younger, more active patients with limited arthritis. Kneecap (patellofemoral) replacement is a less common variant targeting isolated damage to the front of the knee. Modern implants are made from a combination of materials: metal alloys (cobalt-chromium or titanium) for the femoral and tibial components and a high-density polyethene (plastic) spacer for smooth articulation. Some implants incorporate ceramic coatings for patients with metal sensitivities. Leading implant brands available in India include Zimmer Biomet, Stryker, Smith & Nephew, and DePuy Synthes — all of which are widely used at high-volume joint replacement centres. The choice of implant depends on the patient's age, weight, activity level, and bone quality, and is made in consultation with the treating surgeon.
Who Needs Knee Replacement Surgery?
Knee replacement surgery is considered only when symptoms become incapacitating and non-surgical treatments like medicine, physical therapy, or lifestyle modification are no longer effective. Many patients in India avoid surgery for a long time because of fear and expense, which can limit the benefits and cause further joint deterioration.
You may be a candidate for surgery if you have:
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Constant knee pain that makes it difficult to walk, climb stairs, or even stand
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Joint stiffness and reduced range of motion
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Medication-resistant swelling
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Inability to sleep due to persistent pain
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X-rays showing advanced arthritis or joint deformity
What to Expect During the Procedure?
You will go through pre-operative preparation prior to the knee replacement surgery. To determine your suitability for surgery, you will have blood tests, an ECG, and imaging done here. The kind of anaesthesia type: spinal or general, will be discussed, so you will know exactly what it entails. The surgical process goes as follows:
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A surgical incision is made to expose the knee joint.
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Damaged cartilage and bone are removed from the ends of the femur and tibia.
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Metal implants are fixed onto the bone surfaces, and a high-grade plastic spacer is inserted for smooth movement.
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The kneecap (patella) may also be resurfaced, depending on the damage.
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The surgery usually takes 1 to 2 hours.
What Happens After Surgery: Recovery and Rehabilitation
Recovery from total knee replacement surgery is equally as critical as the surgery itself. During the recovery process, an individual may expect the following:
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The hospital stay is generally 3-5 days but is subject to overall health and recovery.
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Pain control is via medication and cold therapy to manage swelling and discomfort.
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Within 24 hours of the surgery, physiotherapy with gentle leg exercises in bed begins.
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Walking exercises with walkers and crutches are initiated by the second or third day.
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Implant stability and the surgeon's discretion generally allow full weight bearing early.
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Unlocking, strengthening, and balance physiotherapy continues for 6-12 weeks post-discharge.
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Around 4-6 weeks, patients are able to engage in light household chores.
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Climbing stairs and walking without support may take around 2 to 3 months.
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Complete recovery, where the joint feels more natura,l can take up to 6 to 12 months.
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Commitment to rehab is essential for long-term success and implant longevity.
What Patients Should Watch For
Like any major surgery, total knee arthroplasty carries certain risks. Patients should be aware of the following concerns:
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Infection is a risk, although it is minimal. Look for signs like fever, increased pain, redness, or discharge at the surgical site.
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Blood clots in the legs, such as deep vein thrombosis, or lungs, like pulmonary embolism, can occur after surgery. Preventive measures should be taken in the form of blood thinners, leg exercises, and early walking.
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Implant loosening or wear over time can still happen. It may require revision surgery later. This risk increases with high-impact activities or obesity.
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There’s a slight chance of nerve or blood vessel damage during surgery.
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Ongoing pain or stiffness following recovery is usually caused by an old condition or inadequate post-op physical therapy.
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Patients with diabetes, obesity, or poorly controlled hypertension are at a marginally increased risk for complications, and these must be controlled prior to surgery.
Longevity of the Implant and Lifestyle After Surgery
The majority of knee replacement surgery implants last from 15 to 20 years, in many cases even longer when appropriate advice is followed. After a few months, patients are usually able to travel, perform light work, and participate in social activities. Although people do say the joint can never fully be a “knee,” the vast majority do experience a great reduction in pain and much better mobility in comparison to prior to surgery.
To improve implant longevity, patients are advised to:
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Maintain a healthy weight to reduce stress on the joint
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Avoid high-impact activities such as running or jumping
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Practise regular low-impact exercises like walking, swimming, or cycling
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Attend routine follow-ups to monitor implant wear or alignment
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Protect against infections, especially in the early post-op period
Conclusion
Living with chronic knee pain can take a toll on every aspect of life, from your mobility to your independence. But with the right guidance and care, recovery is possible.
Consult an expert knee specialist in Jayanagar Manipal Hospital and take the first step toward a pain-free future. Book your consultation today with the best knee specialists in Jayanagar.
FAQ's
The three main types are total knee replacement (TKR), partial knee replacement, and patellofemoral replacement. The right type depends on how much of the joint is damaged and the patient's age and activity level.
Knee replacement has a success rate of over 90–95% in relieving pain and restoring mobility. Most patients return to daily activities within three to six months, and modern implants last 15–20 years or longer.
Implants consist of metal alloy (cobalt-chromium or titanium) components and a high-density polyethene bearing surface. Some implants use ceramic coatings for patients with metal sensitivities.
Most patients walk with support within two to three days and resume light activities by four to six weeks. Walking without support is possible by two to three months. Full recovery takes six to twelve months with regular physiotherapy.
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