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- 1. 脳死の診断 diagnosis of brain death
- 2. 回転性めまい患者の評価 evaluation of the patient with vertigo
English Journal
- Altered brainstem auditory evoked potentials in a rat central sensitization model are similar to those in migraine.
- Arakaki X1, Galbraith G2, Pikov V3, Fonteh AN4, Harrington MG5.Author information 1Molecular Neurology Program, Huntington Medical Research Institutes, 99 North El Molino Avenue, Pasadena, CA 91101. Electronic address: xianghong@hmri.org.2Mental Retardation Research Center, Department of Psychiatry and Biobehavioral Sciences, David Geffen School of Medicine, University of California at Los Angeles, USA.3Neural Engineering Program, Huntington Medical Research Institutes, 734 Fair mount Avenue, Pasadena, CA 91101.4Molecular Neurology Program, Huntington Medical Research Institutes, 99 North El Molino Avenue, Pasadena, CA 91101.5Molecular Neurology Program, Huntington Medical Research Institutes, 99 North El Molino Avenue, Pasadena, CA 91101. Electronic address: mghworks@hmri.org.AbstractMigraine symptoms often include auditory discomfort. Nitroglycerin (NTG)-triggered central sensitization (CS) provides a rodent model of migraine, but auditory brainstem pathways have not yet been studied in this example. Our objective was to examine brainstem auditory evoked potentials (BAEPs) in rat CS as a measure of possible auditory abnormalities. We used four subdermal electrodes to record horizontal (h) and vertical (v) dipole channel BAEPs before and after injection of NTG or saline. We measured the peak latencies (PLs), interpeak latencies (IPLs), and amplitudes for detectable waveforms evoked by 8, 16, or 32KHz auditory stimulation. At 8KHz stimulation, vertical channel positive PLs of waves 4, 5, and 6 (vP4, vP5, and vP6), and related IPLs from earlier negative or positive peaks (vN1-vP4, vN1-vP5, vN1-vP6; vP3-vP4, vP3-vP6) increased significantly 2 hours after NTG injection compared to the saline group. However, BAEP peak amplitudes at all frequencies, PLs and IPLs from the horizontal channel at all frequencies, and the vertical channel stimulated at 16 and 32KHz showed no significant/consistent change. For the first time in the rat CS model, we show that BAEP PLs and IPLs ranging from putative bilateral medial superior olivary nuclei (P4) to the more rostral structures such as the medial geniculate body (P6) were prolonged 2 hours after NTG administration. These BAEP alterations could reflect changes in neurotransmitters and/or hypoperfusion in the midbrain. The similarity of our results with previous human studies further validates the rodent CS model for future migraine research.
- Brain research.Brain Res.2014 Mar 26. pii: S0006-8993(14)00395-3. doi: 10.1016/j.brainres.2014.03.033. [Epub ahead of print]
- Migraine symptoms often include auditory discomfort. Nitroglycerin (NTG)-triggered central sensitization (CS) provides a rodent model of migraine, but auditory brainstem pathways have not yet been studied in this example. Our objective was to examine brainstem auditory evoked potentials (BAEPs) in r
- PMID 24680742
- Emprical factors associated with Brainstem auditory evoked potential monitoring during microvascular decompression for hemifacial spasm and its correlation to hearing loss.
- Ying T1, Thirumala P, Chang Y, Habeych M, Crammond D, Balzer J.Author information 1Department of Neurological Surgery, Xinhua Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China.AbstractBACKGROUND: Cranial nerve VIII is at risk during microvascular decompression (MVD) for hemifacial spasm (HFS). The primary aim of this study is to evaluate the empirical factors associated with brainstem auditory evoked potential monitoring and its correlation to post operative hearing loss (HL) after MVD for HFS.
- Acta neurochirurgica.Acta Neurochir (Wien).2014 Mar;156(3):571-5. doi: 10.1007/s00701-013-1957-9. Epub 2013 Dec 4.
- BACKGROUND: Cranial nerve VIII is at risk during microvascular decompression (MVD) for hemifacial spasm (HFS). The primary aim of this study is to evaluate the empirical factors associated with brainstem auditory evoked potential monitoring and its correlation to post operative hearing loss (HL) aft
- PMID 24306235
- The importance of polysomnography in the evaluation of prolonged disorders of consciousness: sleep recordings more adequately correlate than stimulus-related evoked potentials with patients' clinical status.
- de Biase S1, Gigli GL2, Lorenzut S1, Bianconi C3, Sfreddo P4, Rossato G3, Basaldella F1, Fuccaro M1, Corica A3, Tonon D3, Barbone F5, Valente M6.Author information 1Neurology Unit, Department of Experimental and Clinical Medical Sciences, University of Udine Medical School, Italy.2Neurology Unit, Department of Experimental and Clinical Medical Sciences, University of Udine Medical School, Italy; Department of Neurosciences, "S. Maria della Misericordia" University Hospital, Udine, Italy. Electronic address: gigli@uniud.it.3Department of Neurology, "Sacro Cuore Don Calabria" Hospital, Negrar, Verona, Italy.4Private Hospital "Pineta del Carso", Aurisina, Trieste, Italy.5Institute of Hygiene and Clinical Epidemiology, Department of Medical and Biological Sciences, University of Udine, Italy.6Neurology Unit, Department of Experimental and Clinical Medical Sciences, University of Udine Medical School, Italy; Department of Neurosciences, "S. Maria della Misericordia" University Hospital, Udine, Italy.AbstractOBJECTIVES: The aim of our study was to evaluate the importance of sleep recordings and stimulus-related evoked potentials (EPs) in patients with prolonged disorders of consciousness (DOCs) by correlating neurophysiologic variables with clinical evaluation obtained using specific standardized scales.
- Sleep medicine.Sleep Med.2014 Jan 18. pii: S1389-9457(13)02045-5. doi: 10.1016/j.sleep.2013.09.026. [Epub ahead of print]
- OBJECTIVES: The aim of our study was to evaluate the importance of sleep recordings and stimulus-related evoked potentials (EPs) in patients with prolonged disorders of consciousness (DOCs) by correlating neurophysiologic variables with clinical evaluation obtained using specific standardized scales
- PMID 24508049
Japanese Journal
- Generation of Brainstem Auditory Evoked Potentials (BAEPs) in Man : III. Vascular Lesions
- WADA SHIN-ICHI
- 臨床神経生理学 : Japanese journal of clinical neurophysiology 40(3), 147-166, 2012-06-01
- NAID 10031159671
- Generation of Brainstem Auditory Evoked Potentials (BAEPs) in Man : II. The Space-Occupying Lesions
- WADA SHIN-ICHI
- 臨床神経生理学 : Japanese journal of clinical neurophysiology 40(2), 103-116, 2012-04-01
- NAID 10031159667
- Generation of Brainstem Auditory Evoked Potentials (BAEPs) in Man : I. Direct Recordings
- WADA SHIN-ICHI
- 臨床神経生理学 : Japanese journal of clinical neurophysiology 40(2), 88-102, 2012-04-01
- NAID 10031159666
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[★] 聴覚脳幹誘発電位 brainstem auditory evoked potential, ABR