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  • 1
    Electronic Resource
    Electronic Resource
    Clinical outcome and magnetic resonance imaging of carbon monoxide intoxication. A long-term follow-up study (1999)
    Springer
    Italian journal of neurological sciences 20 (1999), S. 171-178 
    Details
    ISSN: 1126-5442
    Keywords: Key words Carbon monoxide poisoning ; Delayed neurologic sequelae ; Magnetic resonance imaging
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The clinical and neuroradiological outcome of carbon monoxide (CO) intoxication was evaluated prospectively in 30 patients over a follow-up period of 3 years. Among the patients studied, 22 had been acutely exposed to CO while 8 were chronically exposed. One month after CO poisoning, 12 of the 22 patients with acute intoxication showed magnetic resonance imaging (MRI) abnormalities: 6 also had neurological sequelae and 6 were asymptomatic. The remaining 10 patients showed neither MRI abnormalities nor neurological sequelae. During the 3-year follow-up, 4 of the patients with both MRI abnormalities and neurological sequelae improved in both clinical features and MRI findings. One of the 6 asymptomatic patients with MRI abnormalities developed a progressive cognitive impairment 2 months after acute intoxication, with a concomitant severe worsening of the MRI lesions. Among the 10 patients with neither MRI abnormalities nor neurological sequelae, only 1 developed neurological sequelae after a clear period of 4 months. In the group of patients who experienced chronic CO intoxication, only 1 presented with a neuropsychiatric syndrome which improved at follow-up. Brain MRI showed white matter lesions which remained unchanged at control scan after 1 year. In conclusion, we observed that some patients with severe CO poisoning and neurological sequelae may fully regain normal functions after approximately 1 year. The presence of MRI lesions 1 month after CO poisoning did not accurately predict the subsequent outcome. The observation of a clear period longer than the usual 2–40 day interval in 2 patients should be considered for careful planning of follow-up and for prognosis in CO-poisoned patients.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s100720050028
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  • 2
    Electronic Resource
    Electronic Resource
    Long-term follow-up after flunarizine or nimodipine discontinuation in migraine patients (1996)
    USA/Oxford, UK : Blackwell Science Ltd
    Cephalalgia 16 (1996), S. 0 
    Details
    ISSN: 1468-2982
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Various open and controlled studies have confirmed the antimigraine action of flunarizine, while the antimigraine properties of nimodipine are still open to controversy. Moreover, only a few studies include an additional follow-up after discontinuation of migraine prophylaxis with either drug. We carried out a single blind evaluation of the efficacy and tolerance of flunarizine (25 patients) in comparison with nimodipine (25 patients) and the long-term effect after discontinuation of a 6-month treatment. Both medications significantly reduced migraine frequency and severity. Flunarizine was more efficacious than nimodipine in reducing migraine frequency (p 〈 0.001), pain severity (p 〈 0.05), migraine index (p 〈 0.05) and corrected migraine index (p 〈 0.05). The positive effect lasted 8.4 ± 4.0 months after discontinuation of flunarizine and 4.9 ± 3.5 months after nimodipine (p 〈 0.05). Our results suggest that flunarizine is more effective than nimodipine in the prophylactic treatment of migraine. The positive effect after drug discontinuation lasts longer with flunarizine, compared to nimodipine.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1468-2982.1996.1605337.x
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  • 3
    Electronic Resource
    Electronic Resource
    Transcranial Doppler ultrasound in migraine and tension-type headache after apomorphine administration: double-blind crossover versus placebo study (1995)
    USA/Oxford, UK : Blackwell Science Ltd
    Cephalalgia 15 (1995), S. 0 
    Details
    ISSN: 1468-2982
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The effect of the dopaminergic agonist apomorphine on blood velocity in the middle cerebral artery has been studied in patients with migraine, tension-type headaches, and healthy subjects by means of transcranial Doppler monitoring. Following the administration of apomorphine, systolic velocity and mean velocity significantly increased and pulsatility index significantly decreased in migraineurs compared to placebo and to the other groups of subjects. These changes were dose-dependent and showed a time-curve compatible with the pharmacokinetic profile of the drug. The different effect of apomorphine in migraineurs compared with controls and tension-type headache patients implies that migraineurs have increased sensitivity to dopaminergic stimuli and suggests that transcranial Doppler monitoring after apomorphine administration could be a useful tool in the evaluation of migraineurs.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1468-2982.1995.1505399.x
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  • 4
    Electronic Resource
    Electronic Resource
    Platelet 3H-imipramine binding and sulphotransferase activity in primary headache (1994)
    USA/Oxford, UK : American Association for the Study of Headache/Blackwell Science Ltd
    Cephalalgia 14 (1994), S. 0 
    Details
    ISSN: 1468-2982
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: We investigated platelet 3H-imipramine (3H-IMI) binding, a putative peripheral serotonergic marker, and the activity of sulphotransferase (ST), an enzyme involved in the catabolism of catecholamines and phenolic compounds, in 14 patients suffering from migraine without aura (MWoA) and in 10 with tension-type headache (TH), as compared with a group of controls. The possible relationships between the biological parameters and clinical features were also examined. The results showed that the two groups of patients had a lower number of 3H-IMI binding sites and a lower activity of the thermolabile form of ST, which acts preferentially on monoamine substrates, than the healthy controls, with no intergroup differences. Significant correlations between psychopathological rating scales and characteristics of the illness were observed in the patients with TH. The decreased number of platelet 3H-IMI binding sites is suggestive of a presynaptic serotonergic dysfunction and confirms the involvement of 5HT in primary headaches. The reduced ST activity might produce changes in the level of sulphated biogenic amines, including dopamine and tyramine, which might have an additional role in the pathophysiology of some aspects of primary headache.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1468-2982.1994.014003210.x
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  • 5
    Electronic Resource
    Electronic Resource
    Amitriptyline and dexamethasone combined treatment in drug-induced headache (1996)
    USA/Oxford, UK : Blackwell Science Ltd
    Cephalalgia 16 (1996), S. 0 
    Details
    ISSN: 1468-2982
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Frequent or regular intake of antimigraine drugs, including analgesics, constitutes a common cause of chronic daily headache. Discontinuation. of symptomatic medication can produce an increase in head pain accompanied by withdrawal symptoms. We report the favourable outcome of treating a group of outpatients with the combination of amitriptyline, dexamethasone and sumatriptan. Dexamethasone (4 mg/day) was given intramuscularlv for 2 weeks, amitriptyline orally at night (50 mg/day) for at least 6 months, and sumatriptan subcutaneously to treat acute headache attacks. Eighteen out of 20 patients abstained from drug abuse. Eleven of these 18 patients showed a marked reduction in headache frequency (at least 75% in relation to the basal value), and were considered “very good responders”. The other seven patients experienced at least 50%, reduction in headache frequency compared to baseline. This preliminary report suggests that drug-induced headache can be treated effectively in outpatients using dexamethasone, amitriptyline and sumatriptan in combination with significant benefit in everyday life conditions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1468-2982.1996.1603197.x
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    White matter MRI hyperintensities in a hundred and twenty-nine consecutive migraine patients (1994)
    USA/Oxford, UK : Blackwell Science Ltd
    Cephalalgia 14 (1994), S. 0 
    Details
    ISSN: 1468-2982
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The most frequently reported abnormal MRI finding in migraine is the presence of high signal white matter foci (WMF) on long TR images. Recently, WMF have been distinguished in periventricular WMF (PVF), when contiguous to ventricles, and deep WMF (DF), when far from these. DF, but not PVF, appear positively correlated with cerebrovascular risk factors and are called leukoaraiosis. In this study the MRI examination was performed in 129 consecutive migraine patients (83 of them had migraine without aura and 46 migraine with aura). In 19.3% of the migraineurs studied we observed WMF on T2 weighted images strictly localized in the deep white matter (DF). No PVF were observed. These findings were independent of the type of migraine and did not correlate with age, sex, disease duration, or frequency of attacks. The presence in a subgroup of migraineurs of leukoaraiosis (DF), for which a vascular genesis has been hypothesized, suggests that migraine could represent, a cerebrovascular risk factor in these patients.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1468-2982.1994.1405342.x
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  • 7
    Electronic Resource
    Electronic Resource
    Abstracts Third congress of the european society for clinical neuropharmacology (1996)
    Springer
    Journal of neural transmission 103 (1996), S. I 
    Details
    ISSN: 1435-1463
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01271210
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