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[Deep cerebral stimulation in patients with post-traumatic vegetative state. 25 cases]
Neuro-Chirurgie
|January 1, 1993
Summary
Deep brain stimulation (DBS) in post-traumatic vegetative states showed mixed results. While some patients improved, the absence of response may indicate irreversibility, suggesting DBS could accelerate recovery.
Area of Science:
- Neuroscience
- Neurosurgery
- Neurology
Context:
- Persistent vegetative state following traumatic brain injury presents significant challenges in patient management and prognosis.
- Deep brain stimulation (DBS) is an emerging neuromodulation technique explored for severe neurological conditions.
Purpose:
- To evaluate the efficacy of deep brain stimulation (DBS) targeting the centrum medianum-parafascicularis complex in patients with chronic post-traumatic vegetative state.
- To assess the potential of DBS in promoting functional recovery and improving consciousness levels.
Summary:
- Twenty-five patients with persistent vegetative state underwent DBS. Thirteen patients (52%) showed improvement in consciousness and interpersonal interaction after 1-3 weeks of stimulation.
- Twelve patients (48%) showed no clinical changes and remained in a vegetative state, with absence of response potentially indicating irreversibility.
- Long-term follow-up revealed that improved patients remained severely disabled, while non-responders had a poorer prognosis, with some deceased.
Impact:
- The study suggests that lack of response to DBS may predict the irreversibility of the vegetative state.
- DBS may accelerate neurological recovery and potentially enhance functional outcomes in a subset of patients.
- Further research is needed to elucidate the precise mechanisms and optimize patient selection for DBS in vegetative states.