Can a vegetative patient breathe and live independently?
Generally, whether a vegetative patient can breathe and sustain life independently mainly depends on the specific location and severity of brain damage. If the patient's brainstem is not damaged, they can usually breathe independently. However, if the brainstem is damaged or there is severe brain injury, independent respiration will not be possible. Detailed analysis is as follows:

If a vegetative patient's brainstem function remains intact and the vegetative state is caused by damage to areas of the brain other than the brainstem, despite severe damage to the cerebral cortex and loss of higher neural activity, the brainstem may still function normally, including controlling essential functions such as respiration and heartbeat. These basic vital signs can be maintained, allowing the patient to breathe independently to meet the body's basic metabolic needs.
However, if the brainstem is severely damaged, especially in areas such as the medulla oblongata and pons, this may lead to dysfunction of the respiratory center, and the patient will lose the ability to breathe independently. In such cases, patients will need to rely on mechanical ventilation to sustain life. Additionally, even if the brainstem is not directly affected, severe brain injury might lead to cerebral edema or other complications that indirectly impair brainstem function, thus affecting spontaneous respiration.
Family members and caregivers should understand the basic vital signs of vegetative patients and possible abnormal conditions, so timely measures can be taken to ensure the patient's life safety.