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Wyszukujesz frazę "Urban, Pavel" wg kryterium: Autor


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Tytuł:
Visual evoked potentials in patients after methanol poisoning
Autorzy:
Urban, Pavel
Zakharov, Sergey
Diblík, Pavel
Pelclová, Daniela
Ridzoň, Petr
Powiązania:
https://bibliotekanauki.pl/articles/2177443.pdf
Data publikacji:
2015-11-10
Wydawca:
Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
Tematy:
Methanol
poisoning
visual evoked potentials
VEP
acidosis
Czech Republic
Opis:
Objectives We report the results of the visual evoked potentials (VEP) examination in patients after severe poisoning by methanol. Material and Methods The group of 47 patients (38 males and 9 females) was assembled out of persons who survived an outbreak of poisoning by the methanol adulterated alcohol beverages, which happened in the Czech Republic in 2012–2013. The visual evoked potentials examination was performed using monocular checkerboard pattern-reversal stimulation. Two criteria of abnormality were chosen: missing evoked response, and wave P1 latency > 117 ms. Non-parametric statistical methods (median, range, and the median test) were used to analyze factors influencing the VEP abnormality. Results The visual evoked potential was abnormal in 20 patients (43%), 5 of them had normal visual acuity on the Snellen chart. The VEP abnormality did not correlate significantly with initial serum concentrations of methanol, formic acid or lactate; however, it showed statistically significant inverse relation to the initial serum pH: the subgroup with the abnormal VEP had significantly lower median pH in comparison with the subgroup with the normal VEP (7.16 vs. 7.34, p = 0.04). The abnormality was not related to chronic alcohol abuse. Conclusions The visual evoked potentials examination appeared sensitive enough to detected even subclinical impairment of the optic system. Metabolic acidosis is likely to be the key factor related to the development of visual damage induced by methanol. The examination performed with a delay of 1–9 months after the poisoning documented the situation relatively early after the event. It is considered as a baseline for the planned long-term follow-up of the patients, which will make it possible to assess the dynamics of the observed changes, their reversibility, and the occurrence of potential late sequelae.
Źródło:
International Journal of Occupational Medicine and Environmental Health; 2016, 29, 3; 471-478
1232-1087
1896-494X
Pojawia się w:
International Journal of Occupational Medicine and Environmental Health
Dostawca treści:
Biblioteka Nauki
Artykuł
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