What are the chances of cure of Persistent Vegetative State?

(PVS, a state of coma that lacks both awareness and wakefulness)

Yes

Diagnosis of vegetative state depends on the primary cause of brain dysfunction.

The prognosis is generally poor and the condition can persist chronically.

In medicine, it means total loss of cognitive function, usually indicated by lack of awareness of oneself and environment; and only involuntary actions such as breathing or eye-blinking are still...