Modafinil appears to be beneficial for enhancing cognition in prolonged disorder of consciousness patients. Traumatic brain injury patients benefited more than non-traumatic brain injury patients. Implications for Rehabilitation People with prolonged disorders of consciousness are those in coma, a vegetative state or a minimally conscious state. Sensorimotor and neuromodulations (pharmacological and brain stimulation) are the available treatment strategies to this group. Modafinil promotes attention, concentration and maintains wakefulness in a patient with narcolepsy, obstructive sleep apnea and shift work sleep disorders. In a relatively small sample, this retrospective pilot study shows the effectiveness of Modafinil in conjunction with good care, suitable medications and multidisciplinary rehabilitation in enhancing arousal in prolonged disorders of consciousness patients.
In 2005 Elliott et al. published a paper entitled 'Effect of posture on levels of arousal and awareness in vegetative and minimally conscious patients: a preliminary investigation'. Twelve patients, of whom 5 were in the vegetative state (VS) and 7 in the minimally conscious state (MCS), were assessed with the Wessex Head Injury Matrix (WHIM) when supine and when upright on a tilt table. The present study replicated and extended these findings by including a third position, sitting, in addition to supine and standing. We assessed 16 patients (8 in the VS and 8 in the MCS) with mixed aetiologies and compared the observed behaviours in three different positions (supine, sitting and standing) using the WHIM. Most patients (75%) showed more behaviours when in the upright position, compared to lying down (p < .003). Our findings are similar to those seen in the study reported by Elliott et al. With regard to sitting, 62.5% of patients were more responsive when assessed sitting in a wheelchair (p < .05) than in a supine position, and almost 69% were more responsive if assessed in an upright position compared to sitting. This was particularly true for patients in the MCS, where 87.5% did better if assessed on a tilt table or standing frame compared to sitting, suggesting that positional changes can have an effect on the level of arousal and awareness among patients in the VS and MCS.sciousness and Bruno, Vanhaudenhuyse, Thibaut, Moonen and Laureys (2011) argue that better assessment of patients with disorders of consciousness can improve medical care, diagnosis and prognosis. One of the tools developed to assess recovery from serious TBI is the Wessex Head Injury
This study shows that continuing recovery to a level of moderate disability is possible, even after a prolonged disorder of consciousness. Intense multi-disciplinary long-term rehabilitation and cranioplasty may be contributing factors for such an unexpected recovery.
The findings suggest the importance of serial WHIM assessments throughout the period of recovery, not only to measure cognitive changes but also to highlight underlying physical changes such as infections that will impact the response to rehabilitation and recovery.
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