What causes hypoxic encephalopathy?


What causes hypoxic encephalopathy?

HIE is caused by acute loss of blood and oxygen flow to a baby’s brain during childbirth or during pregnancy. The deprivation of oxygen and blood causes cells in the baby’s developing brain to rapidly decay and then die.

What is hypoxic encephalopathy adults?

Description. hypoxic-ischemic encephalopathy is a brain injury caused by oxygen deprivation to the brain or lack of perfusion to the brain 2,3,4. hypoxia is a lower-than-normal concentration of oxygen in arterial blood. ischemia is an inadequate blood supply to an organ or part of the body.

Can you recover from hypoxic encephalopathy?

The most rapid recovery is usually in the first six months, and by about one year the likely long-term outcome will have become clearer. However, improvement may continue for much longer after brain injury, certainly for several years, although the steps may become more modest and gradual after the first few months.

Can encephalopathy be treated?

The treatment for encephalopathy varies depending on what caused it. Treatment may include medications to treat your symptoms and medications or surgery to treat the underlying cause. Your doctor may recommend nutritional supplements to slow the damage to your brain, or a special diet to treat underlying causes.

What are the symptoms of HIE?

Some signs and symptoms of HIE during this period include:

  • Premature birth.
  • Organ damage or failure.
  • Very acidic umbilical cord blood (also known as acidemia)
  • Seizures.
  • Comatose state.
  • Unusually responses to light or lack thereof.
  • Feeding problems.
  • Extreme lethargy.

What are some symptoms of HIE?

Signs and symptoms of HIE in the neonatal period

  • Low Apgar scores at five or 10 minutes.
  • Seizures.
  • Difficulty feeding.
  • Breathing problems.
  • Hypotonia (low muscle tone)
  • Organ problems (failure, damage)
  • Acidemia (low pH in umbilical cord blood gas tests)
  • Abnormal response to light.

What part of the brain dies first without oxygen?

In particular, the temporal lobe (at the temples) is sensitive to oxygen deficiency which is also where the memory is situated. A lack of oxygen from three to nine minutes can result in irreversible brain damage! In case of a cardiac arrest a CPR (Cardiopulmonary resuscitation) is best started within two minutes.

Can the brain repair itself after lack of oxygen?

If the brain lacked oxygen for only a brief period, a coma may be reversible and the person may have a full or partial return of function. Some people recover many functions, but have abnormal movements, such as twitching or jerking, called myoclonus.