hip replacementWhy does my hip hurt?

The hip is one of the largest weight-bearing joints in the body. When it’s working properly, it lets you walk, sit, bend and turn without pain. In order to keep it moving smoothly, a complex network of bones, cartilage, muscles, ligaments and tendons must all work in harmony.

The hip is a very stable ball-and-socket joint: A ball (femoral head) at the top of the femur fits into a rounded socket (acetabulum) in your pelvis. Bands of tissues, called ligaments, form a capsule connecting the ball to the socket and hold the bones in place. A layer of smooth tissue and cartilage cushions the surface of the bones, helping the femoral head rotate easily within the socket. Fluid-filled sacs (bursae) cushion the area where muscles or tendons glide across bone.

Injury and/or disease can damage your hip in several ways, resulting in a broken or deteriorated bone, irritated bursae, or worn cartilage. The most hip replacement recoverycommon cause of hip pain is osteoarthritis (OA). However, other causes of hip pain include:

  • Rheumatoid Arthritis
  • Osteoporosis
  • Osteonecrosis/ Avascular Necrosis (death of bone caused by insufficient blood supply)
  • Injury, Specifically a Pipkin Fracture
  • Infection
  • Bone tumors

Pipkin Fracture

A Pipkin Fracture is a traumatic defect in the femoral head that can be caused by the hip dislocating. Pipkin Fractures are a result of posterior dislocation and usually results in a piece of bone breaking off. The fractured fragment can be removed and replaced with the HemiCAP to restore the joints natural anatomy.

Avascular Necrosis

Avascular Necrosis (AVN) is most common in the hip joint and more common in men than in women. It’s a condition in which poor blood supply to an area of bone leads to the death of that bone. AVN is most often a result of steroid use (40-60%), alcoholism (20%), and 20-40%  of all AVN cases are classified as Idiopathic or have an unknown origin. In AVN, the cartilage when exposed may look fine but is often delaminating or peeling off from the dead bone below.  70-80% of confirmed AVN cases lead to femoral head collapse when untreated. There are 30,000 new AVN cases reported each year, and AVN accounts for over 10% of the 1,000,000 total hips performed each year.

NEWs / updates / blog

  • Quick Facts

    • There are over 300,000 Hip Replacement Surgeries performed each year
    • the Hip HemiCAP is placed into the bone not on top like a Total Hip Replacement.
    • Significantly less bone is removed
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