Vegetative state

Vegetative state
Synonyms	Unresponsive wakefulness syndrome
Pronounce	N/A
Specialty	N/A
Symptoms	Wakefulness without awareness, no response to external stimuli
Complications	Infection, pressure sores, muscle contractures
Onset	After coma
Duration	Can be permanent or transient
Types	N/A
Causes	Severe brain injury, anoxic brain injury, stroke
Risks	Traumatic brain injury, cardiac arrest, cerebrovascular accident
Diagnosis	Clinical assessment, neuroimaging
Differential diagnosis	Minimally conscious state, locked-in syndrome, brain death
Prevention	N/A
Treatment	Supportive care, physical therapy, occupational therapy
Medication	N/A
Prognosis	Varies; poor if persistent beyond 12 months
Frequency	Unknown, varies by cause and region
Deaths	N/A

Vegetative state is a condition of profound non-responsiveness in the wakeful state. It is a state of unconsciousness, where the individual is alive but is not aware of their surroundings or themselves. This condition is usually the result of a severe brain injury.

Definition

A vegetative state is a condition of wakefulness without awareness. The individual is awake but shows no signs of awareness of self or environment. This condition is usually caused by severe brain damage, often due to trauma or disease.

Causes

The most common causes of vegetative state are severe brain injury, stroke, brain tumor, and diseases of the nervous system. Other causes can include drug overdose, hypoxia, or cardiac arrest.

Diagnosis

Diagnosis of a vegetative state is based on clinical observation and assessment. The individual is observed for signs of awareness and responsiveness. Neurological tests, such as MRI and EEG, may also be used to assess brain function.

Treatment

Treatment for a vegetative state is primarily supportive. This includes maintaining the individual's physical health and preventing complications. In some cases, rehabilitation therapies may be used to try to improve function.

Prognosis

The prognosis for a vegetative state is generally poor. Most individuals do not recover full awareness or function. However, some individuals may improve over time, particularly if the vegetative state is due to a reversible condition.

See also

• Coma
• Brain death
• Locked-in syndrome

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References

External links

• National Institute of Neurological Disorders and Stroke: Disorders of Consciousness
• BBC News: 'Vegetative state' patients can respond, study shows

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