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"Direct Current Auditory Evoked Potentials During Wakefulness, Anesthesia, and Emergence from Anesthesia"^^ .
"Direct current auditory evoked potentials (DC-AEPs)\nare a sensitive indicator of depth of anesthesia in ani-mals. However, they have never been investigated in\nhumans. To assess the potential usefulness of DC-AEPs\nas an indicator of anesthesia in humans, we performed\nan explorative study in which DC-AEPs were recorded\nduring propofol and methohexital anesthesia in hu-mans.\nDC-AEPs were recorded via 22 scalp electrodes\nin 19 volunteers randomly assigned to receive either\npropofol or methohexital. DC-AEPs were evoked by\nbinaurally presented 2-s, 60-dB, 800-Hz tones; meas-urements\nwere taken during awake baseline, anesthesia,\nand emergence. Statistical analysis included analy-sis\nof variance and discriminant analysis of data\nacquired during these three conditions. About 500 ms\nafter stimulus presentation, DC-AEPs could be ob-served.\nThese potentials were present only during base-line\nand emergencenot during anesthesia. Statistically\nsignificant differences were found between\nbaseline and anesthesia and between anesthesia and\nemergence. In conclusion, similar effects, as reported in\nanimal studies of anesthetics on the DC-AEPs, could be\nobserved in anesthetized humans. These results dem-onstrate\nthat DC-AEPs are potentially useful in the assessment\nof cortical function during anesthesia and\nmight qualify the method for monitoring anesthesia in\nhumans."^^ .
"2001" .
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"92" .
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"Anesthesia and Analgesia"^^ .
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"Wolfgang"^^ .
"Oczenski"^^ .
"Wolfgang Oczenski"^^ .
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"Robert"^^ .
"Fitzgerald"^^ .
"Robert Fitzgerald"^^ .
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"Claus"^^ .
"Lamm"^^ .
"Claus Lamm"^^ .
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"Walter"^^ .
"Vycudilik"^^ .
"Walter Vycudilik"^^ .
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"Thomas"^^ .
"Stimpfl"^^ .
"Thomas Stimpfl"^^ .
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"Herbert"^^ .
"Bauer"^^ .
"Herbert Bauer"^^ .
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"Direct Current Auditory Evoked Potentials During Wakefulness, Anesthesia, and Emergence from Anesthesia (PDF)"^^ .
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"anesthesia_analgesia2001.pdf"^^ .
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"Direct Current Auditory Evoked Potentials During Wakefulness, Anesthesia, and Emergence from Anesthesia (Indexer Terms)"^^ .
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"indexcodes.txt"^^ .
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"HTML Summary of #1633 \n\nDirect Current Auditory Evoked Potentials During Wakefulness, Anesthesia, and Emergence from Anesthesia\n\n" .
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"Brain Imaging" .
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