hematoma Adult 4 Aged 4 Aged, 80 and over 4 Female 4 Male 4 adult 4 aged 4 female 4 human 4 major clinical study 4 male 4 morbidity 4 Brain Mapping 2 Computers 2 Coronary Artery Bypass 2 Diabetes Mellitus 2 Electric Stimulation 2 Electrocoagulation 2 Electrodiagnosis 2 Endoscopy 2 Feasibility Studies 2 Fluoroscopy 2 Functional neurosurgery 2 Human 2 Humans 2 Microelectrodes 2 Middle Age 2 Middle Aged 2 Monitoring, Intraoperative 2