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find Author "YUEZongwei" 1 results
  • Seizure propagation modulates severity of breathing impairment in limbic seizures

    ObjectiveImpaired breathing during and following seizures is an important cause of sudden unexpected death in epilepsy (SUDEP), but the network mechanisms by which seizures impair breathing have not been thoroughly investigated. Progress would be greatly facilitated by a model in which breathing could be investigated during seizures in a controlled setting. MethodRecent work with an acute Long-Evans rat model of limbic seizures has demonstrated that depression of brainstem arousal systems may be critical for impaired consciousness during and after seizures. We now utilize the same rat model to investigate breathing during partial seizures with secondary generalization. ResultBreathing is markedly impaired during seizures(P < 0.05;n=21), and that the severity of breathing impairment is strongly correlated with the extent of seizure propagation (Pearson R=-0.73;P < 0.001;n=30). ConclusionSeizure propagation could increase the severity of breathing impairment caused by seizures. Based on these results, we suggest that this animal model would help us to improve understanding of pathways involved in impairment of breathing caused by seizures and this is an important initial step in addressing this significant cause of SUDEP in people living with epilepsy.

    Release date:2016-10-02 06:51 Export PDF Favorites Scan
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