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Anterior Hip Replacement

What is Total Joint Replacement Surgery?

Total joint replacement surgery is one of the most advanced and successful procedures to treat severe hip and knee pain due to arthritis. Arthritis is a condition in which the articular cartilage that covers the joint surface is damaged or worn out causing pain and inflammation.

The goal of the surgery is to relieve pain and restore the normal functioning of the joint and help you resume normal activities.

What is Direct Anterior Approach Hip Replacement Surgery? 

Direct anterior hip replacement is a minimally invasive hip surgery to replace the hip joint without cutting through any muscles or tendons.

Anterior Hip Replacement Procedure

Anterior hip replacement surgery is performed under general anesthesia or regional anesthesia. You will lie down on your back, on a special operating table that enables your surgeon to perform the surgery from the front of the hip. Your surgeon may use fluoroscopic imaging during the surgery to ensure the accuracy of component positioning and to minimize leg length inequality.

Your surgeon will make an incision, about 4 inches long on the front of the hip. The muscles are pushed aside to gain access to the joint and perform the replacement. Next, the femur is separated from the acetabular socket. The acetabular surface is prepared using a special instrument called a reamer. The acetabular component is fixed with screws into the socket. Then a liner made up of plastic, metal, or ceramic is placed inside the acetabular component.

The femoral head that is worn out is cut off and the femur is prepared using special instruments so that the new metal component fits the bone properly. Then, the new femoral component is inserted into the femur either by press fit or by using special bone cement. The femoral head component made of ceramic or metal is then placed on the femoral stem.

Once the artificial components are fixed in place, the instruments are withdrawn and incisions are closed with sutures and covered with a sterile dressing.

Risks and Complications of Anterior Hip Replacement

All surgeries carry an element of risk, whether it is related to the anesthesia or the procedure itself. Risks and complications with anterior hip replacement are rare, but can occur and may include:

  • Infection at the incision site or joint space
  • Fracture
  • Nerve damage
  • Hemarthrosis - excess bleeding into the joint after the surgery
  • Deep vein thrombosis (blood clot)
  • Leg length inequality

Post-operative Care for Anterior Hip Replacement

With the anterior approach, your doctor will give you specific instructions to be followed at home for a faster recovery. These include:

  • Take medications as prescribed to relieve pain and prevent infection.
  • Participate in physical therapy to restore hip function and strength.
  • Eat a healthy diet and do not smoke to facilitate healing and promote a faster recovery.
  • Contact your doctor if you observe increasing swelling or redness in the operated area.

Advantages of Anterior Hip Replacement

The advantages of anterior hip replacement include:

  • Smaller incisions
  • Minimal blood loss
  • Short hospital stay
  • Minimal soft-tissue trauma
  • Less scarring
  • Quicker recovery
  • Early mobilization
  • Less postoperative restrictions
  • Quicker return to normal activities
  • Lower risk of dislocation