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  • 1
    Electronic Resource
    Electronic Resource
    Multimodality evoked potentials and EEG in brain death. Clinical experiences and animal investigations (1989)
    Springer
    Neurosurgical review 12 (1989), S. 357-362 
    Details
    ISSN: 1437-2320
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01790674
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Clinical application of event related potentials in patients with brain tumours and traumatic head injuries (1986)
    Springer
    Acta neurochirurgica 80 (1986), S. 116-122 
    Details
    ISSN: 0942-0940
    Keywords: Event related potentials ; brain tumour ; traumatic head injury ; mental function
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Event related potential recording and psychometric evaluation of cognitive impairment were carried out on 21 patients with brain tumours, 21 patients with severe head injuries and 24 controls. The tumour and trauma patients who met the psychometric inclusion criteria for dementia, but not the non-demented patients, had significantly longer N2 and P3 latencies than the controls. In assessing individual patients P3 latency correctly differentiated between demented and non-demented patients in 81% of cases (for N2 latency 77%). Particularly P3 latency may provide a practical and objective measure of mental impairment in neurosurgical disorders producing dementia. Marked asymmetry in N2 and P3 amplitudes between hemispheres was observed in a number of cases. No significant relationship was found between diminution of N2 and P3 components and side of lesion.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01812285
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Optic nerve trauma: Clinical, electrophysiological and histological remarks (1987)
    Springer
    Acta neurochirurgica 89 (1987), S. 16-27 
    Details
    ISSN: 0942-0940
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary 18 patients with post-traumatic visual disease of the optic nerve are presented. In the post-traumatic stage, visual evoked potentials were monitored. In amaurosis there was a high incidence of midface or frontobasal fractures. The severity of the trauma is not correlated with the severity of visual deficits. Flash evoked potential (FEP) findings were different: In most cases there was a correlation of clinical and FEP findings. In some we found false positive potentials in the acute stage. In smaller visual field deficits the alterations of FEP could not be correlated with the clinical disorders. FEP alterations depended on time. The pathophysiological mechanisms are discussed in regard to the pathological findings in 51 unselected autopsies with an investigation of the visual pathway from the intraorbital optic nerve to the visual cortex. Because of the different morphological alterations the clinical, neurological and ophthalmological examination should be followed by standard CT scanning to evaluate intracranial haematomas and by CT scanning with thin slices of the optic nerves and the soft tissue of the orbit. Visual evoked potentials (VEP) and in the unconscious patient, flash evoked potentials (FEP) do not give much more security for therapeutic decisions in comparison with former times. The histological findings do not support the hypothesis that operative decompression is successful.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01406662
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Multimodality evoked potentials and electroencephalography in severe coma cases (1987)
    Springer
    Intensive care medicine 13 (1987), S. 249-255 
    Details
    ISSN: 1432-1238
    Keywords: Evoked potential ; EEG ; Coma ; Intensive care ; Brain death
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract In a neurosurgical intensive care unit 26 patients with unconciousness and unresponsiveness were investigated by means of multimodality evoked potentials and electroencephalography in order to obtain information on the functional state of the nervous system. Multimodality evoked potential techniques allowed us to differentiate patients with EEG alterations due to drug treatment from those without therapy. The functional state and prognosis can be better evaluated by means of evoked potential techniques. Patients with raised intracranial pressure seem to undergo some characteristic alterations in PEP and far field potential derivations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00265113
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Wandering central venous catheter (1986)
    Springer
    Intensive care medicine 12 (1986), S. 164-164 
    Details
    ISSN: 1432-1238
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00254936
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Two cases of sudden death by rupture of traumatic and bacterial aneurysms (1989)
    Springer
    Intensive care medicine 15 (1989), S. 400-402 
    Details
    ISSN: 1432-1238
    Keywords: Aneurysm ; Head injury ; Brain abscess ; Subarachnoid hemorrhage ; Therapy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Unexpected subarachnoid hemorrhage with a fatal outcome was seen in two patients in intensive care in association with trauma and an intracranial inflammatory abscess. The cause of SAH was disclosed at autopsy: traumatic and bacterial aneurysms of the basilar artery respectively. In the reported cases the symptoms of SAH did not suggest an origin.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00261501
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    Paper (German National Licenses)
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