Total knee replacement surgery India

total knee medical hospital

Total knee Replacement Surgery

The damaged cartilage are removed and replaced with metal and plastic components, then the knee is properly aligned and balanced. Factors considered by the surgeon for total replacement surgery
The surgeon takes into account the following factors:

  • The patient's age
  • Lifestyle of the patient
  • Extent of damage of the joint
  • Type of implant that is best to go with condition of the patient.
It is to be noted that each implant has its own advantages and disadvantages, thus patients can do some research on the type of implants and intelligently discuss with the surgeon what approach will be the best.

What happens in knee replacement surgery?

In total replacement surgery the damaged bearing surfaces of the knee that causes pain is replaced. In the lower end of the femur that is the thigh bone, the bone is trimmed so as to accept a special shaped metal component and the upper end of the tibia that is the shin bone in the same way is trimmed so as to accept a metal tray. a plastic bearing will be fitted into this tray.

The surgeon then can secure the implant components by his choice of bone cement or a non-cement method called 'bone ingrowth'. The patient should enquire from the surgeon about the type of fixation used by him to hold the knee in place.

The outer surface of the femoral component is shaped to allow the kneecap that is the patella to slide up and down in its groove. The surgeon tries to retain the natural kneecap or re-surface it.

The major ligament inside the knee is known as the Cruciate Ligaments, they are responsible to provide support and stabilize the movement of the knee. In total knee replacement surgery based on the condition of the Cruciate Ligaments, it can be kept or removed depending on the type of knee implant or the type of surgery the surgeon thinks best for the patient. The can enquire the surgeon about "removing or retaining his cruciate ligaments"

When is total knee replacement necessary?

The main reason for a knee joint replaced is to get relieve from severe arthritis pain. Surgeon can recommend for knee joint replacement if:
  • The patient have symptoms of knee arthritis, like:
    • No sleep in night because due to knee pain
    • Normal activities, like bathing, preparing meals, and household works are limited due to knee pain
    • Difficulty in walking
  • If there is no improvement of the knee pain with other treatment
Total knee joint replacement is mostly done by people aged 60 and more. Younger people can also have knee joint replacement surgery, but if they put more stress on the artificial knee then it can wear out early.

Is a total knee replacement necessary?

Surgeons in some cases are able to preserve part of the knee by resurfacing or partially replacing componentsof the knee damaged by arthritis.

An innovative procedure mainly aiming to provide quicker recovery and improved surgical outcome is Partial Knee Resurfacing. This is mostly for patients with damage to only one part of the knee that can be resurfaced without damaging the healthy bone and tissue surrounding it. Custom-made implants using computer aided design (CAD) from a special digital imaging of the knee are used.

Partial knee replacement which is also termed as unicompartmental arthroplasty or hemiarthroplasty is another option. If the damage is limited one side or compartment of the knee then by this method a smaller implant is just placed or inserted to that part rather than replacing the entire surface. If part of the knee joint is damaged by arthritis while other compartments have healthy, normal cartilage, then partial knee replacement is done.

Ultimately decisions will be taken by your surgeon "What type of knee replacement is best suited for you?" and your doctor will explain you why it is best for you.

What is the recovery time in case of total knee replacement surgery?

Most patients returns to their normal life within 3 to 6 months. More specifically there is short-term recovery and long-term recovery.

In Short-term recovery the patient should be able to walk with minimal aid or no aid and to give up most of the pain medicines given to get pain relief. This occurs mostly twelve weeks after surgery.

Long-term recovery is returning normal life activities and to work. Complete healing of surgical wounds and internal soft tissues will be properly checked by your doctors and therapists before allowing you to resume to your normal life. Long-term recovery for total knee replacement patients on average takes 3 to 6 months.

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