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    Correlations between event-related potential components and nitric oxide in maximal anaerobic exercise among sportsmen trained at various levels
    (Taylor & Francis Ltd, 2005) Duzova, H; Özisik, HI; Polat, A; Emre, MH; Gullu, E
    Physical exercise has influence on all organs except its effects oil the central nervous system have not been fully elucidated. This study attempts to determine whether the degree of training could affect the response to physical stress by comparing the three groups of males in different levels of the physical fitness. Serum samples from high (n = 11), moderate (n = 10), and low physical activity sportsmen (n = 10) were collected to determine nitrite/nitrate levels before and after carrying out an anaerobic maximal exercise test. All oddball paradigm of auditory stimuli was used to evoke the N200 and P300 before and after the exercise. The amplitude of the N200 decreased significantly after anaerobic maximal exercise compared to the values of the recorded pre-exercise at Fz area in high physical activity group. There was a negative correlation between event-related potentials component and both nitrite/mtrate serum level changes and the heart rate changes in low physical activity subjects. However. in high and moderate physical activity groups, these relationships were positive.
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    Isolated intracranial hypertension
    (Elsevier Science Bv, 2004) Özisik, HI; Ersoy, Y; Tevfik, MR; Kizkin, S; Özcan, C
    Brucella melitensis infection is endemic in the eastern and south-eastern Anatolia regions of Turkey. We report an unusual case of brucella meningitis presenting with bilateral papilla stasis, diplopia and absence of other neurological involvement. Diagnosis was made by positive culture of Brucella spp. with a BACTEC 9120 system with inoculation of the patient's cerebrospinal fluid (CSF). This is the first report of isolation of Brucella spp. from CSF on a BACTEC 9120 system for diagnosis of meningitis. This case demonstrated that brucella meningitis may present with very slight symptoms, and inoculation of CSF into BACTEC bottle besides conventional cultures improves the detection of Brucella in endemic areas such as Turkey. (C) 2004 Elsevier SAS. All rights reserved.