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  • 1
    Electronic Resource
    Electronic Resource
    Bilateral asymmetry of cerebral blood velocity in cluster headache (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: In this study, 69 episodic cluster headache (CH) patients (40 in the active phase, 29 in remission period) underwent a complete TCD examination in order to verify the relationship between cerebral blood velocities (CBVs) and the clinical profile of the disease. Fifteen patients were examined during both phases, while 7 were monitored during a spontaneous attack. Sixty-three healthy sex and age-matched controls were also studied. We measured widespread, asymmetric CBV activation during the active phase, bilaterally in the anterior circulation and also in the posterior circulation. A relative reduction of CBV on the anterior cerebral artery pain side, also during remission, suggests a relationship between local vasodilation and the autonomic symptoms ipsilateral to pain during CH attacks.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1468-2982.1994.1405346.x
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Increased cerebral blood flow velocity induced by cold pressor test in migraine: a possible basis for pathogenesis? (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: Noradrenergic nuclei of the locus coeruleus are believed to be involved in migraine pathogenesis. We recently demonstrated a typical intracerebral vasoconstriction after prolonged (5 min) exposure to cold pressor test (CPT), likely related to a central noradrenergic mechanism modulated at the locus coeruleus level and eliminated by pretreatment with clonidine. In the present study, we used transcranial Doppler ultrasonography to monitor blood flow velocity (BFV) changes to CPT in the middle cerebral artery (MCA) of migraine with (MA, n=12) and without (MO, n=15) aura subjects. CPT induced a significant increase in BFV and a concomitant decrease in the pulsatility index (PI), a pattern which is the opposite of the results obtained with controls. The results were comparable when controls were pretreated with clonidine. The MO patients produced an intermediate pattern between the MA and control subjects. A possible altered modulatory effect of opioids and/or serotonin on noradrenergic nuclei of the brainstem is the possible cause of the observed inverse response in migraine, suggesting intracerebral vasomotor instability in these patients.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1468-2982.1995.1506494.x
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Familial adult amyotrophic lateral sclerosis: report of cases (1992)
    Springer
    Neurological sciences 13 (1992), S. 75-79 
    Details
    ISSN: 1590-3478
    Keywords: Epidemiology ; province of Pavia ; familial ALS-sporadic ALS ; inheritance ; variable penetrance
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Sommario Abbiamo esaminato otto casi di SLA familiare (Sclerosi Laterale Amiotrofica) appartenenti a tre diverse famiglie isolate nella nostra provincia e ricoverati nel nostro Istituto tra il 1970 ed il 1989. I criteri clinici di diagnosi sono stati soddisfatti in tutti i casi e l'EMG è stato eseguito in 6 casi su 8. Quattro casi mostravano un esordio di tipo classico e quattro un esordio di tipo bulbare. L'età media di insorgenza della malattia nelle tre famiglie era di 65.7+10.6 anni. La sopravvivenza media era di 19.1+9.2 mesi. La modalità di trasmissione era autosomica dominante con penetranza variabile. In due famiglie erano affetta due diverse generazioni, nella terza famiglia una sola. Fattori ambientali non sembrano essere coinvolti nello sviluppo della malattia. Ulteriori studi genetici potranno far luce sulla patogenesi della SLA familiare.
    Notes: Abstract We examined 8 cases of familial ALS (amyotrophic lateral sclerosis) in three different families from our province, admitted to our hospital between 1970 and 1989. Clinical criteria for diagnosis were satisfied in all cases; EMG was performed in 6 out of 8 patients. 4 cases showed classical onset and 4 cases bulbar onset. The average age at onset was 65.7+10.6 years. The average survival was 19.1+9.2 months. In two families two generations were affected, in the other only one. The mode of transmission was found to be autosomal dominant with variable penetrance. Neither environmental nor toxic factors seemed to be involved in the development of the illness. Genetic investigations may help to elucidate the pathogenesis of familial ALS.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02222892
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    Paper (German National Licenses)
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