Life Anne Heche was in a coma before taken off life support. What to know about comas. August 12, 2022August 14, 2022Marina Pitofsky, USA TODAYComments Off on Anne Heche was in a coma before taken off life support. What to know about comas. Anne Heche is in a coma after a fiery car crash in LA last week. Here's what you need to know about comas, including how long they can last.