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Factors predicting optic nerve axonal degeneration after methanol-induced acute optic neuropathy: a 2-year prospective study in 54 patients

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388955%3A_____%2F16%3A00453781" target="_blank" >RIV/61388955:_____/16:00453781 - isvavai.cz</a>

  • Alternative codes found

    RIV/00216208:11110/16:10324850 RIV/00064165:_____/16:10324850

  • Result on the web

    <a href="http://dx.doi.org/10.1007/s00706-015-1581-x" target="_blank" >http://dx.doi.org/10.1007/s00706-015-1581-x</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1007/s00706-015-1581-x" target="_blank" >10.1007/s00706-015-1581-x</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Factors predicting optic nerve axonal degeneration after methanol-induced acute optic neuropathy: a 2-year prospective study in 54 patients

  • Original language description

    Prospective cross-sectional study was conducted in 54 patients (mean age 46.7 3.7 years) to determine the character of optic nerve axonal degeneration after acute methanol poisoning. Methanol was measured by a gas chromatographic method with flame ionization detection. Formate was measured enzymatically. Measurement of full-field visual evoked potential with monocular checkerboard pattern-reversal stimulation was performed 3–8 and 24–28 months after discharge. The amplitudes of N1P1 and P1N2 components of evoked response were used for analysis of axonal loss. Altogether, 13 of 50 patients (26 %) had abnormal amplitudes at the first examination (including the patients with nonrecordable amplitudes), and 37 patients had normal amplitudes. Mean N1P1/P1N2 amplitudes for right eyes (REs) were 6.30 1.10/8.70 1.50 µV and for left eyes (LEs) were 6.56 1.00/8.30 1.40 µV. The group with abnormal amplitudes had lower arterial pH (p = 0.009), bicarbonate (p = 0.036), higher base deficit (p = 0.005), glucose (p = 0.015), and lactate (p = 0.018). At the second examination, insignificant amplitude changes were registered (REs 6.50 1.10/9.80 1.60 µV, LEs 6.40 1.10/9.30 1.60 µV; both p > 0.05). In 2 of 44 REs (5 %) and in 4 of 45 LEs (9 %) with 2 consecutive examinations the initially normal amplitudes deteriorated to abnormal values. In 3 of 45 patients (7 %) the abnormal amplitudes deteriorated in both eyes indicating the ongoing process of chronic neuronal degeneration. The dynamics of amplitude deterioration correlated with serum lactate (r = 0.533; p < 0.001), glucose (r = 0.462; p = 0.005), and formic acid (r = 0.380; p = 0.046) on admission to hospital. The correlation was present between the magnetic resonance signs of hemorrhagic brain lesions and the amplitude changes (r = 0.535; p < 0.001).n

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    CF - Physical chemistry and theoretical chemistry

  • OECD FORD branch

Result continuities

  • Project

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2016

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Monatshefte fur Chemie

  • ISSN

    0026-9247

  • e-ISSN

  • Volume of the periodical

    147

  • Issue of the periodical within the volume

    1

  • Country of publishing house

    AT - AUSTRIA

  • Number of pages

    11

  • Pages from-to

    251-261

  • UT code for WoS article

    000367521400031

  • EID of the result in the Scopus database

    2-s2.0-84952836619