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Complications occur with every second child receiving invasive electroencephalography (EEG) for severe epilepsy; however, the events typically do not cause permanent damage, whereas the benefits of the EEG can be profound, a new study shows.

The analysis of invasive EEG recordings in 95 children at Great Ormond Street Hospital in London, showed adverse events such as infection and cerebrospinal fluid leaks in about 49% of cases. Although 30% of the events were severe enough to prolong the hospital stay, none were fatal or caused permanent neurological damage, according to Thomas Blauwblomme, MD, from the University Paris V, René Descartes, France, and the Department of Paediatric Neurosurgery, Great Ormond Street Hospital.

The full study report appeared in the December 2011 issue of Operative Neurosurgery and available online at Neurosurgery.