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Several studies addressed weaning from ventilator and tracheostomy, or prevention of respiratory infections for individuals with severe acquired brain injury. However, no specific conclusions were made regarding these interventions, and further systematic research is needed in this population.
Implementation of enteral or parenteral via endoscopic gastrostomy (PEG) tube, weaning from a PEG tube, independent swallowing, and re-introducing oral feeding were reported as rehabilitation interventions for individuals in a minimally conscious or vegetative state. Evidence was not strong enough to make firm conclusions about these interventions.
Clinical expertise, a descriptive review, and several small studies reported provision of communication support within rehabilitation interventions. This included developing simple strategies (e.g., code for yes/no) and complex communication technology. Evidence, however, is weak and this requires further study.
Sensory stimulation techniques, partly combined with assistive devices such as microswitches for environmental control, were the most frequently reported treatment concepts. However, a systematic review found insufficient evidence for or against sensory stimulation for individuals in a coma or vegetative state.