Why the study?
Does extra-intracranial arterial bypass surgery affect the amplitude and frequency of the sensorimotor rhythm in patients with small burr hole skull defects?
Does extra-intracranial arterial bypass surgery affect the amplitude and frequency of the sensorimotor rhythm in patients with small burr hole skull defects?
Temporary clamping of the middle cerebral artery and/or reperfusion during bypass surgery may result in a brief deterioration of brain function, indicated by early frequency slowing and delayed amplitude enhancement on EEG.
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May indicate transient post-bypass dysfunction; leaves open clinical relevance of sensorimotor rhythm changes.
Lilford et al. (2010) studied this question.
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