• In four instances of prolonged coma caused by intoxication with carbon monoxide, barbiturates, natural gas, and aspirin, flaccid paralyses and other symptoms of damage to peripheral nerves were combined in various ways with spasticity, transient hemiparesis, and other symptoms of damage to the central nervous system. Chronic alcoholism with malnutrition should be considered as a possible contributing factor in cases of this sort.
Olsen CW. LESIONS OF PERIPHERAL NERVES DEVELOPING DURING COMA. JAMA. 1956;160(1):39–41. doi:10.1001/jama.1956.02960360041008