Total Hip Replacement (THR)



Hip replacement is a surgical procedure which includes removal of diseased parts of the hip joint and its replacement with artificial new parts. At SaiShree Hospital, our orthopedic experts will help you determine whether you are a candidate for total hip replacement surgery.

The problems related to hip joint arise due to osteoarthritis ("wear and tear" arthritis), hip dysplasia, rheumatoid arthritis, injury (post traumatic arthritis) and avascular necrosis. In hip replacement surgery, the goal is to improve the patient's mobility by relieving pain and increasing the hip joint's function so that to achieve a painless mobile functional joint. Previously hip replacement was basically chosen to treat people over the age of 60. However, in recent years, younger, more active patients have also found success with hip replacement.

Prosthesis of hip joint

Based on following factor the doctor will decide about the suitable material to be used. —

  • Patient's age
  • Activity level
  • Degree of damage
  • Deterioration of bones of your Hip Joint

Although a replaced hip joint may continue to fuction successfully for 15 yrs. or more, it will not last forever. Careful consideration is therefore necessary before replacing the hip of someone in their forties or fifties, as they are likely to require revision surgery in future. In such conditions cementless prosthesis may be most appropriate.

Getting Ready for Total Hip Replacement

Before going for a Total Hip Replacement you will need to have a physical done by the doctor. This will include blood work, a chest X-ray, ECG, and other tests as needed. You need to meet the physical therapist to know about the exercises you will be doing after surgery and discuss the assisting devices( raised toilet seats, crutches, walkers etc) You need to practice using your crutches or walker. Try placing little to no weight on the surgery leg. This will help prepare you for walking after surgery.

Care to be Taken After Surgery

When you return to work or engage in other activities will depend on your recovery time. It will also depend on the type of work or activity you do. You should discuss this with your doctor. You should not gain extra weight for the rest of your life because this weight will increase force on your new hip.

Types of Prosthesis

Metal on Polyethylene: In this type, Femur Prosthesis head is made of Metal Alloy and Acetabular cup is made of Polyethylene. This Prosthesis is indicated in elderly people with poor Bone quality

Ceramic on Polyethylene: In this type, Femur Prosthesis head is made of Ceramic and Acetabular cup is made of Polyethylene. This Prosthesis is indicated in elderly people with poor Bone quality. Ceramic helps in improving life of the prosthesis.

Metal on Polyethylene: Prefferd in patients with good bone stock, here femur head is made up of metal and acetabulam is made up of Polyethylene

Ceramic on Ceramic / Ceramic on Polyethylene: Preffered in young adults with good bone stock, here both the sides are made up of Ceramics.

Life of metal on metal and ceramic on ceramic joints are bettar than metal on Polyethylene joint final decesion regarding implant will be taken by your doctor after having a discussion with you total hip replacement surgery patients need to be hospitalized for two to three days, followed by six to eight weeks of recovery and physical therapy.

Due to your hip precautions, you will not be able to reach your feet. You will either need daily help with self-care or you will need to use assisting devices to help you be more independent.

Reasons for Failure of Total Hip Replacement (THR)

Hip implant can also have a failure / malfunction like any other mechanical prosthesis (implant). There are several reasons that lead to failure of a prosthesis (implant). Some of the major ones are:

  • Infection
  • Plastic Wear
  • Aseptic Loosening of the joint
  • Mal-alignment or Instability of the joint

Blood Clot Prevention

People who have hip surgery are at higher risk for getting blood clots. To decrease the risk of a blood clot, you need to be taking medicine to thin the blood. Most patients take this medicine for up to six weeks. You may need to wear elastic stockings for six weeks after your surgery.

Lifestyle Modifications:

  • Avoid squatting
  • Sitting crossed legs