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Studies with patients

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Is there any treatment?
Once the patient is out of immediate danger, although still in coma or vegetative state, the medical care team will concentrate on preventing infections and maintaining the patient's physical state as much as possible. Such maintenance includes preventing pneumonia and bed sores and providing balanced nutrition. Physical therapy may also be used to prevent contractures (permanent muscular contractions) and orthopedic deformities that would limit recovery for the patients who emerge from coma.

What is the prognosis?
The outcome for coma and vegetative state depends on the cause and on the location, severity, and extent of neurological damage: outcomes range from recovery to death. People may emerge from a coma with a combination of physical, intellectual, and psychological difficulties that need special attention. Recovery usually occurs gradually, with patients acquiring more and more ability to respond. Some patients never progress beyond very basic responses, but many recover full awareness. Patients recovering from coma require close medical supervision. A coma rarely lasts more than 2 to 4 weeks. Some patients may regain a degree of awareness after vegetative state. Others may remain in a vegetative state for years or even decades. The most common cause of death for a person in a vegetative state is infection such as pneumonia.

What research is being done?
The NINDS supports research on neurological conditions such as coma and persistent vegetative state. This research is aimed at finding ways to prevent, treat, and cure these conditions.