Arthritis & Knee Replacement

Understanding Arthritis & Knee Replacement

Joint deterioration can affect every aspect of a person’s life. In its early stages, it is common for people to ignore the symptoms of osteoarthritis, but as the disease progresses, activities like walking, driving & standing become challenging, painful & very difficult.

This short info will help you understand basic knee anatomy, arthritis & Knee replacement surgery.

This info is for educational purpose only & any questions or concerns you may have should be directed to your surgeon using the contact form.






December 2022
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The knee is a complex joint consisting of bones & healthy cartilage. The end of your femur (thighbone) can be compared to a rocking chair. It has two distinct surfaces called compartments, which rest on the tibia (shinbone). A third compartment is found behind the patella (knee cap), and all three compartments are covered with cartilage to help cushion & lubricate the bones during movement.

Osteoarthritis, the most common form of arthritis, is a wear and tear condition that affects joint cartilage, and it develops after years of constant motion and pressure in the joints. As the cartilage continues to wear away, the joint becomes increasingly painful & difficult to move. If conservative treatment options fail to provide relief, I may recommend you a total knee replacement surgery.

Knee Replacement


Total knee replacement can be an extremely successful surgical procedure. The first knee replacement procedure was performed more than 30yrs ago. Since then, millions of people have received knee replacements. Knee replacement surgery is a fairly routine procedure with more than 4,00,000 being performed every year in the United States alone.
Total Knee replacement, also called arthroplasty, involves removing the diseased bone and cartilage & resurfacing it with orthopaedic implants.

The word replacement makes one think that surgeons remove the entire knee. In truth, your surgeon only resurfaces damaged bone & cartilage at the ends of the bones in your joint.

During surgery, the joint is exposed by a midline incision.

I use a special technique to enter the knee without hampering the quadriceps muscle. This approach is called MID-VASTUS approach & the SUB-VASTUS approach as show below.

The advantages of these approaches are that the patient is able to walk on the same day of the surgery and muscle power is well maintained for better walking and climbing stairs.

The damaged bones are then resurfaced with components designed to re-create the natural contours of the bones in a healthy knee. The metal & polyethylene (plastic) implants allow the bones to smoothly glide against each other, much like natural cartilage.

Total knee replacement is performed while you are under anesthesia. There are various types of anesthesia like Spinal, Epidural, General, Femoral blocks etc which your physician and anesthetist will decide before surgery after examining you properly.

The length of surgery may be approximately 1 ½ – 2 hrs. Care before surgery & time spent in the recovery room can add additional 2-3hrs before you are back in your hospital room.

process of knee replacement


I realize that the decision to have surgery is sometimes very difficult. Millions of others have made this choice, allowing them to return to more active lifestyles.

If any queries regarding KNEE REPLACEMENT SURGERY, kindly contact me.

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