Bradley K. Vaughn, MD, FACS - Adult Joint Replacement Surgeon - Raleigh Orthopaedic Clinic,PA  
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Bradley K. Vaughn, MD, FACS - Adult Joint Replacement Surgeon
Dr. Bradley K. Vaughn is a board certified orthopaedic surgeon experienced in adult total joint replacement and revision surgery.
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Posterior Hip Replacement

Introduction

Posterior hip replacement is a minimally invasive hip surgery performed to replace the hip joint. It is also referred to as muscle sparing surgery because no muscles are cut to access the hip joint, enabling a quicker return to normal activity.

The posterior approach is traditionally the most common approach used to perform total hip replacement.

In posterior hip replacement, the surgeon makes the hip incision at the back of the hip close to the buttocks. The incision is placed so the abductor muscles, the major walking muscles, are not cut.

Indications

Hip replacement is indicated in patients with arthritis of the hip joint.

Arthritis is a condition in which the articular cartilage that covers the joint surface is damaged or worn out causing pain and inflammation. Some of the causes of arthritis include:

  • Advancing age
  • Congenital or developmental hip diseases
  • Obesity
  • Previous history of hip injury or fracture
  • Increased stress on hip because of overuse

Symptoms

Patients with arthritis may have a thinner articular cartilage lining, a narrowed joint space, presence of bone spurs or excessive bone growth around the edges of the hip joint. Because of all these factors arthritis patients can experience pain, stiffness, and restricted movements.

Diagnosis

Your doctor will evaluate arthritis based on the characteristic symptoms and diagnostic tests. Your orthopedic surgeon will perform a physical examination; order X-rays and other scans, and also some blood tests to rule out any other conditions that may cause similar symptoms.

Procedure

Posterior hip replacement surgery involves the following steps:

  • The procedure is performed under general anesthesia.
  • You will lie face down on a special operating table that enables the surgeon to perform the surgery from the back of the hip.
  • An incision is made close to the buttocks beyond the abductor muscles.
  • The surgeon detaches the muscles and tendons to gain access to the hip joint.
  • Once the artificial components are fixed in place, the instruments are withdrawn, soft tissues are re-approximated, and the incisions are closed with sutures and covered with a sterile dressing.

The advantages of posterior approach include:

  • High success rate
  • Minimally invasive
  • No muscle damage
  • More precise placement of implants
  • Allows excellent visibility of the joint

Risks and complications

All surgeries carry an element of risk whether it is related to the anesthesia or the procedure itself. Risks and complications are rare but can occur. Below is a list of complications that can occur following any hip replacement procedure:

  • Dislocation
  • Infection at the incision site or in the 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

After posterior hip replacement surgery, you will be instructed to follow certain hip precautions to prevent your new hip from dislocating. These guidelines include not bending or flexing the hip past 90 degrees, no crossing of legs, and no rotating the operated leg inward.

Your doctor will also give you other instructions to follow 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.

Bradley K. Vaughn, MD, FACS - Adult Joint Replacement Surgeon : (919) 781-5600 ext. 5626.
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