Our results suggest that patients with MSA have GE rates similar to those of patients with PD, but slower than healthy age matched individuals. It remains to be investigated whether gastrointestinal dysfunction in MSA is related to both brain and peripheral pathology, as is presumed for PD.
BackgroundPrevious studies have shown that common headache triggers contribute to the onset of headache attacks on predisposed individuals and are considered important in the prevention of headache. The aim of this study was to compare the different characteristics of triggers among the most common primary headache subtypes (migraine without aura, migraine with aura and tension type headache).MethodsA total of 116 headache patients of the neurology outpatient department of a tertiary hospital in Athens were selected according to the criteria of the International Classification of Headaches—3nd Edition Beta. Patients were interviewed using a questionnaire that contained 35 potential trigger factors.ResultsThe findings showed that migraine and tension-type headache patients report multiple triggers, on a frequent but variable basis. The most frequent triggers reported by all subjects were stressful life events followed by intense emotions. The same applies to both genders, as well as the three headache subgroups. Patients suffering from migraine with aura reported the highest mean number of trigger per person and the highest frequency in almost all the trigger categories. Furthermore, patients with migraine with aura were more likely to report the following triggers: oversleeping, premenstrual period, stressful life events, hot/cold weather, relaxation after stress, menstruation, wind, intense emotions, shining, hunger and bright sunlight. These associations were mostly independent of the sociodemographic characteristics and the presence of anxiety or depressive symptoms.ConclusionThe sensitivity to trigger factors should be considered by both clinicians and headache sufferers.
These results suggest that clonidine is effective in the treatment of blood pressure instability in severe tetanus.
Drugs are lately considered high-risk factors for cerebrovascular disease. Three male patients (mean age 24.6 years) who were heavy cannabis smokers presented with transient ischemic attacks (TIA) shortly after cannabis abuse. The complete examination of all 3 consisted of: EEG, brain CT scan, brain MRI, cerebral vessel angiography (digital subtraction and magnetic resonance angiography); also a full cerebrospinal fluid, urine and blood analysis (immunological, biochemical and hormonal tests were included). Urine was further examined for drug metabolites. An extensive cardiological investigation was carried out. Small vessel leukoencephalopathy was revealed by the brain CT and MRI. EEG recordings of the first patient showed paroxysmal sharp waves with left hemispheric dominance. The other 2 patients had diffuse delta and theta activity in their EEG tracings. The urine analysis was positive for cannabis metabolites. There were no other abnormal findings in the rest of the meticulous and thorough study of all 3 patients, which leads to the conclusion that cannabis was the only risk factor responsible for the observed TIA, contradictory to other studies, which support that cannabis is a ‘safe’ drug. More research is required in order for this issue to be completely elucidated.
We evaluated EEG changes and pain relief in migraineurs with glyceryl trinitrate (GTN)-induced attacks treated with intravenous sodium valproate (iSVP). EEG frequency analysis was performed in 45 migraineurs without aura and in 19 controls at baseline, at the time of maximum GTN-induced headache, and 30 min after 300 mg iSVP. Nineteen migraineurs presented early specific headache (migraine identical to spontaneous attacks; MSp) and 26 presented early non-specific headache (MnSp). During attacks in MSp there was an increase of theta [16.6% (14.8-19.3) to 19.4% (17.4-22.1), P = 0.02] and delta activity [3.6% (3.1-4.4) to 5.4% (3.9-6.5), P = 0.009], whereas there was no decrease in alpha [41.4% (36.2-45.1) to 39.7% (34.7-44.8)] or beta activity [37.6% (34.7-40.3) to 35.1% (33.5-38.8)]. iSVP reduced migraine from severe/moderate to mild/no pain in 17 (90%) MSp patients, and was associated with reversion of the slow rhythmic activity to baseline levels [theta 16.9% (14.6-18.9); delta 3.2% (3-4.1)]. There was no change in EEG frequency activity after administration of GTN or iSVP in controls and in MnSp. iSVP is well tolerated and effective in treating GTN-induced migraine in migraineurs without aura, and appears to restore the disturbances of cortical electrogenesis associated with these attacks.
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