Abstract:
:The median nerve somatosensory evoked potentials (SEP), pattern reversal visual evoked potentials (VEP), and brain stem auditory evoked potentials (BAEP) were studied in 109 healthy adults and in 88 patients with acute carbon monoxide (CO) poisoning. The upper limits for normal values of peak and interpeak latencies of multimodalities of evoked potentials in the reference group were established by a stepwise multiple regression analysis. SEP changes selectively affecting N32 and N60 were found in 78.8% of patients. There was prolonged P100 latency of VEP in 58.2% of the cases examined. The prevalence of BAEP abnormalities in comatose patients (36%) was significantly higher than that (8.6%) in conscious patients. BAEP abnormalities were most frequently seen in comatose patients who had diminished brain stem reflexes (77.8%). It has been found that a consistent abnormality involving N20 and subsequent peaks in SEP, a remarkable prolongation of P100 latency in VEP, or a prolongation of III-V interpeak latency in BAEP as well as the reoccurrence of evoked potential abnormalities after initial recovery all indicate unfavorable outcomes in patients with acute CO poisoning. The multimodality evoked potentials have proved to be sensitive indicators in the evaluation of brain dysfunction and in the prediction of prognosis of acute CO poisoning and the development of delayed encephalopathy.
journal_name
Environ Resjournal_title
Environmental researchauthors
He F,Liu X,Yang S,Zhang S,Xu G,Fang G,Pan Xdoi
10.1006/enrs.1993.1029subject
Has Abstractpub_date
1993-02-01 00:00:00pages
213-26issue
2eissn
0013-9351issn
1096-0953pii
S0013935183710297journal_volume
60pub_type
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journal_title:Environmental research
pub_type: 杂志文章
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pub_type: 杂志文章
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journal_title:Environmental research
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doi:10.1016/j.envres.2016.09.002
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doi:10.1016/j.envres.2019.108559
更新日期:2019-09-01 00:00:00
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journal_title:Environmental research
pub_type: 杂志文章
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更新日期:1997-01-01 00:00:00
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journal_title:Environmental research
pub_type: 杂志文章
doi:10.1016/j.envres.2009.09.008
更新日期:2010-01-01 00:00:00
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doi:10.1016/j.envres.2017.01.029
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pub_type: 杂志文章
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更新日期:2019-12-01 00:00:00
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pub_type: 杂志文章,meta分析
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更新日期:2019-04-01 00:00:00
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pub_type: 杂志文章
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更新日期:1986-08-01 00:00:00
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更新日期:2019-12-01 00:00:00
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journal_title:Environmental research
pub_type: 杂志文章
doi:10.1016/j.envres.2013.05.009
更新日期:2013-10-01 00:00:00