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8E20 Persistent vegetative state

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2024-01

Subacute or chronic state of severe disturbance of consciousness lasting at least a month, characterised by the recovery of cyclic arousal states mimicking sleep/wake cycles after a severe brain injury. Patients with this condition are unresponsive and show no evidence of awareness of themselves or their environment. Cardiopulmonary and visceral autonomic regulation is maintained by the brainstem.

synonyms

• Persistent vegetative state
• Unresponsive wakefulness syndrome
• Apallic syndrome

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