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Knee Replacement

Knee replacement, also known as knee arthroplasty, is a surgical procedure designed to relieve pain and restore function in a damaged or degenerated knee joint.

 

This procedure is typically considered when conservative treatments like medications, physical therapy, and lifestyle modifications no longer provide sufficient relief from knee pain and disability. 

Detailed Overview:

Indications

 Osteoarthritis: This is the most common reason for knee replacement. Osteoarthritis is a degenerative joint disease where the protective cartilage in the knee gradually wears away, causing pain and reduced mobility.

 

Rheumatoid Arthritis: Inflammatory arthritis can also lead to severe knee joint damage, necessitating replacement.

 

Post-Traumatic Arthritis: A previous knee injury, fracture, or ligament damage can lead to arthritis over time, which may require replacement.


Other Conditions: Less common reasons include avascular necrosis, knee deformities, and certain knee infections.

Preoperative
Evaluation

Before the surgery, we do a thorough evaluation, which includes a medical history, physical examination, and imaging tests (X-rays, MRI) to assess the joint's condition.

 

We discuss with the patient and his family, the procedure, potential risks, and benefits, as well as alternatives.

Surgical
Procedure

Knee replacement surgery is typically performed under general anaesthesia or regional anaesthesia (spinal or epidural).

 

We make an incision over the knee joint, remove damaged cartilage and bone, and replace them with the artificial joint components.

 

Special cement or materials may be used to secure the components in place.

Recovery and Rehabilitation

After surgery, patients are closely monitored in the recovery room. Physical therapy is crucial for regaining strength and mobility. Patients may begin walking with assistance soon after surgery.

 

Full recovery can take several months, and most patients experience significant pain relief and improved function within a few weeks to months.

Risks and Complications

While knee replacement is generally safe, complications can occur. These may include infection, blood clots, implant loosening, and joint stiffness.

 

Risks can be minimised by following the surgeon's instructions for postoperative care.

Types of Knee Replacement

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