The hip joint is one of the body's largest weight-bearing joints and is the point where the thigh bone (femur) and the pelvis (acetabulum) unite. It is a ball and socket joint in which the head of the femur is the ball and the pelvic acetabulum forms the socket. The joint surface is covered by a smooth articular cartilage that cushions and enables smooth movements of the joint.
Partial hip replacement also called Hip hemiarthroplasty is a surgical technique employed to treat hip fractures. In this procedure, only one half (ball section) of the hip joint is substituted by a metal prosthesis.
Traditionally, total knee replacement was commonly indicated for severe osteoarthritis of the knee. In total knee replacement all worn out or damaged surfaces of the knee joint are removed and replaced with new artificial parts. Partial knee replacement is a surgical option if your arthritis is confined to a single compartment of your knee.
The procedure is performed under general anesthesia. An incision is made along the outer aspect of the affected hip. The surgeon gains access to the hip joint and the head of the femur is removed using surgical instruments and prepared to accept the prosthesis. The stem of the metal prosthesis is placed inside the femoral bone. The surgeon now connects the metal ball that forms the femoral head. The stem prosthesis can be press-fit in patients with a strong, healthy bone or cemented in cases of weak, osteoporotic bone. The method of implantation depends on the patient’s age and condition of the bone. At the end of the procedure, the incisions are closed with sutures and a dressing is applied.
Arthritis is inflammation of a joint causing pain, swelling (inflammation), and stiffness.The post-procedural instructions to be followed after hip hemiarthroplasty include:
Complications of hip hemiarthroplasty include infection, dislocation, deep vein thrombosis, loosening of the prosthesis, and failure to relieve pain.
Discuss with your surgeon if you have concerns regarding hip hemiarthroplasty surgery.
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