His son had been in a coma for three and a half years.
go into a coma
Mum went into a coma and died soon afterwards.
slip/lapse/fall/sink into a coma (=go into one)
Brett slipped into a coma from which he never awakened.
relapse into a coma (=go into a coma again)
She was making progress, but then she suddenly relapsed into a coma.
come out of a coma (also emerge from a coma formal)
Alice wanted to be there when he came out of his coma.
adjectives
a deep coma
After the accident, she spent ten days in a deep coma.
an irreversible coma (=a permanent one)
He had been in an irreversible coma since the disaster.
coma + NOUN
a coma victim (=someone who is in a coma)
There are various techniques for helping coma victims to regain consciousness.
a coma patient
a long-term coma patient
Examples from the Corpus
coma• He was unconscious by the time he arrived at hospital in Sanford and remained in a coma until he died.• Into a coma, most likely.• It was more, she blinked her eyes, as if roused out of a coma.• Perhaps a coma, if worse came to worst.• The 59-year-old star needed two life-savingoperation to removebloodclots and was left in a deep coma after brainsurgery.• And sometimes no purposefulmovements result, in which case we talk of deep coma.• He was alert and neurologically normal with a Glasgow comascore of 14 on admission.• A woman is in love with a married man, whose wife is in a permanentcoma.