Avascular Necrosis of The Hip: What you need to know

What is Avascular Necrosis of Hip?

Avascular necrosis of the hip is a bone disorder in which the cells of the thigh bone die due to the lack of blood. The condition affects the head (ball) of the femur (the thigh bone). Without blood, the head of the femur becomes flat and deformed with tiny breaks in it—eventually leading to its collapse. Avascular necrosis can affect anybody but commonly affects people below fifty years of age and is associated with steroid use and excessive alcohol intake.

What are the causes of Avascular Hip Necrosis?

The causes of reduced blood supply to the head of the femur include:

Certain factors increase the risk of developing avascular necrosis of the hip, such as:

What are the symptoms of Avascular Hip Necrosis?

In its early stages, the disease does not cause any symptoms. Once the symptoms appear, they worsen over time. Pain is a prominent symptom. It has the following characteristics:

If the disease remains untreated, the pain may make it virtually impossible to move.

How to diagnose Avascular Hip Necrosis?

Your doctor will make the diagnosis based on:

What’s the prognosis of Avascular Hip Necrosis?

The prognosis of AVN of the hip depends on the early diagnosis. The condition takes months or even years to heal. Most people have to wear splints or braces for many months. More than fifty percent of the cases require surgery.

What are the treatments of Avascular Hip Necrosis?

Your doctor may recommend the following treatments of avascular necrosis of hip depending on stage:

Surgery is the last resort and depends on many factors. Surgical options include:

What are non-operative interventional managements?

The following interventional managements may be tried before surgery?

  1. Platelet rich plasma injection to attempt a regeneration
  2. Before replacement, nerve blocks with radiofrequency or cryoablation technique are altenatives in late stage when there is deformity.