Intraparenchymal Hemorrhage Symptoms, Causes, Treatment

Learn all about intraparenchymal hemorrhage symptoms, causes and treatment. Intraparenchymal hemorrhage is one extension of intracerebral hemorrhage) with bleeding within parenchyma.

Intraparenchymal hemorrhage accounts for approx. 8-13% of all strokes and results from a wide spectrum of disorders. It is more likely to result in death or major disability than ischemic or subarachnoid hemorrhage, and therefore constitutes an immediate medical emergency. Intracerebral hemorrhages and accompanying edema may disrupt or compress adjacent brain tissue, leading to neurological dysfunction.

Substantial displacement of brain parenchyma may cause elevation of intracranial pressure and potentially fatal herniation syndromes. Spontaneous hemorrhage into the cerebral parenchyma accounts for 8% to 13% of all strokes. It is more common in males, in blacks, and in the elderly.

Fifty percent of cases are due to the effects of chronic hypertension on intracranial perforating arteries. The basal ganglia are the most frequent site of bleeding. Lobar hematomas tend to occur in younger patients, and may be due to specific causes such as vascular malformations. Many patients will have increased intracranial pressure and will require treatment in an intensive care unit. If surgery is necessary, stereotactic aspiration and pharmaceutical clot lysis are recent developments that may be advantageous. Prognosis is related to the patient’s age and neurologic condition, and to the size, location, and rapidity of formation of the hematoma. Intracerebral hemorrhage is a severe condition requiring prompt medical attention

If signs and symptoms aren’t immediately evident after a blow to the head, watch for physical, mental and emotional changes. For example, if someone seems fine after a blow to the head and can talk but later becomes unconscious, seek immediate medical care.

Intraparenchymal Hemorrhage Symptoms, Causes, Treatment

What is Intraparenchymal Hemorrhage?

Intraparenchymal or Intracerebral hemorrhage (ICH) is when blood suddenly bursts into brain tissue, causing damage to your brain. Symptoms usually appear suddenly during ICH. They include , weakness, confusion, and paralysis, particularly on one side of your body. The buildup of blood puts pressure on your brain and interferes with its oxygen supply. This can quickly cause brain and .

This is a medical emergency requiring immediate treatment. ICH isn’t as common as ischemic stroke (which occurs when a blood vessel to your brain is blocked by a clot), but it’s more serious.

Treatment depends on the amount of blood and the extent of brain injury that has occurred. Because the most common cause of ICH is related to high blood pressure, getting your blood pressure lowered and under control is the first key step. Sometimes surgery is required to relieve pressure from the accumulation of blood and to repair damaged blood vessels. Long-term treatment depends on the hemorrhage location and the amount of damage. Treatment may include physical, speech, and occupational therapy. Many people have some level of permanent disability.

Intraparenchymal Hemorrhage Symptoms

Intraparenchymal hemorrhage symptoms might develop right after a blow to your head, or they may take weeks or longer to appear. You might seem fine after a head injury, a period called the lucid interval.

However, with time, pressure on your brain increases, producing some or all of the following signs and symptoms:

  • Increasing headache
  • Vomiting
  • Drowsiness and progressive loss of consciousness
  • Dizziness
  • Confusion
  • Unequal pupil size
  • Slurred speech

As more blood fills your brain or the narrow space between your brain and skull, other signs and symptoms may become apparent, such as:

  • Lethargy
  • Seizures
  • Unconsciousness
  • When to see a doctor

An intracranial hematoma can be life-threatening, requiring emergency treatment. Seek immediate medical attention after a blow to the head if you:

  • Lose consciousness
  • Have a persistent headache
  • Have difficulties such as vomiting, weakness, blurred vision, unsteadiness

Intraparenchymal Hemorrhage Causes

High blood pressure, particularly unrealized or untreated high blood pressure, is the most common cause of intracerebral hemorrhage. Many people do not know they have high blood pressure as it often has no symptoms and is not diagnosed until a checkup for another medical issue. For younger people, who are less prone to high blood pressure, abnormal blood vessels in the brain may cause an intracerebral hemorrhage.

Less common causes of intracerebral hemorrhages include:

  • trauma or head injury
  • tumor
  • use of blood thinners
  • ruptured cerebral aneurysm
  • problems with blood-clotting
  • drug abuse
  • blood disorders, such as sickle cell anemia

A person’s risk of an intracerebral hemorrhage may increase as they age, especially as high blood pressure is more common in older adults. A person may reduce the risk of developing an intracerebral hemorrhage by:

  • controlling diabetes
  • quitting or never smoking
  • managing and treating heart disease
  • exercising regularly
  • eating a healthful diet
  • Treating high blood pressure.

Intraparenchymal Hemorrhage Treatment

Intraparenchymal hemorrhage treatment goals include lifesaving interventions, supportive measures, and control of symptoms. Treatment depends on the location, extent, and cause of the bleeding. Often, treatment can reverse the damage that has been done.

  • A craniotomy is sometimes done to remove blood, abnormal blood vessels, or a tumor. may be used to reduce swelling, prevent seizures, lower blood pressure, and control pain.
  • Surgical approaches include the following:
  • Craniotomy and clot evacuation under direct visual guidance
  • Stereotactic aspiration with thrombolytic agents
  • Endoscopic evacuation

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