Several studies have shown that the prevalence of migraine and tension-type headache (TTH) varied between different geographical regions. Therefore, there is a need of a nationwide prevalence study for headache in our country, located between Asia and Europe. This nationwide study was designed to estimate the 1-year prevalence of migraine and TTH and analyse the clinical features, the impact as well as the demographic and socio-economic characteristics of the participant households in Turkey. We planned to investigate 6,000 representative households in 21 cities of Turkey; and a total of 5,323 households (response rate of 89%) aged between 18 and 65 years were examined for headache by 33 trained physicians at home on the basis of the diagnostic criteria of the second edition of the International Classification of Headache Disorders (ICHD-II). The electronically registered questionnaire was based on the headache features, the associated symptoms, demographic and socio-economic situation and history. Of 5,323 participants (48.8% women; mean age 35.9 ± 12 years) 44.6% reported recurrent headaches during the last 1 year and 871 were diagnosed with migraine at a prevalence rate of 16.4% (8.5% in men and 24.6% in women), whereas only 270 were diagnosed with TTH at a prevalence rate of 5.1% (5.7% in men and 4.5% in women). The 1-year prevalence of probable migraine was 12.4% and probable TTH was 9.5% additionally. The rate of migraine with aura among migraineurs was 21.5%. The prevalence of migraine was highest among 35–40-year-old women while there were no differences in age groups among men and in TTH overall. More than 2/3 of migraineurs had ever consulted a physician whereas only 1/3 of patients with TTH had ever consulted a physician. For women, the migraine prevalence was higher among the ones with a lower income, while among men, it did not show any change by income. Migraine prevalence was lower in those with a lower educational status compared to those with a high educational status. Chronic daily headache was present in 3.3% and the prevalence of medication overuse headache was 2.1% in our population. There was an important impact of migraine with a monthly frequency of 5.9 ± 6, and an attack duration of 35.1 ± 72 h, but only 4.9% were on prophylactic treatment. The one-year prevalence of migraine estimated as 16.4% was similar or even higher than world-wide reported migraine prevalence figures and identical to a previous nation-wide study conducted in 1998, whereas the TTH prevalence was much lower using the same methodology with the ICHD-II criteria.Electronic supplementary materialThe online version of this article (doi:10.1007/s10194-011-0414-5) contains supplementary material, which is available to authorized users.
Trigger factors, signs and symptoms of the preheadache phases of episodic tension-type headache (ETTH), typical aura with non-migraine headache (TANMH), migraine with (MA) and without aura (MwA) may show similar features. Our objective was to investigate the preheadache phases and trigger factors of these headache types. Questionnaires including trigger factors, signs and symptoms of preheadache phases were answered by all headache patients. A total of 96 patients, 31 ETTH, nine TANMH, 23 MA and 33 MwA patients were included in this study. Analysis of seven groups consisting of 18 individual trigger factors showed that only two groups and five individual trigger factors were significantly different between groups. Hunger and odour were significantly more common in MA, MwA and TANMH patients. Foods were a significant precipitant factor for headache in MA patients. Head and neck movements were important trigger factors in ETTH. In prodrome phase only one out of three groups differed significantly between headache types. Migraine and TANMH patients reported significantly more general signs and symptoms. Analysis of aura signs and symptoms showed that only two out of six groups were significantly more frequent in MA and TANMH patients. Visual aura symptoms were more frequent in MA and TANMH groups, where sensorial auras were reported to be the most frequent in the MA group. Our results showed that different type of headaches share common prodrome and aura signs and symptoms as well as the same trigger factors. We suggest that similar trigger factors may trigger similar mechanisms and may cause common preheadache signs and symptoms in all headache types.
ART does not have a negative effect on shoulder function after ND. SAN is always functionally impaired even if we preserve it macroscopically during ND.
The likelihood of seizure recurrence after a first unprovoked seizure has profound social, vocational and emotional implications for the patients. Recurrence rates have varied between 27% and 71% in various studies, and the management of patients with a single unprovoked seizure is a controversial topic. In this prospective study we investigated the influence of age, sex, family history, EEG patterns, and anticonvulsant drug (ACD) therapy on seizure recurrence after a first unprovoked tonic-clonic seizure in adults. For this purpose, between October 1988 and January 1991, we studied adult patients who had experienced their after unprovoked tonic-clonic seizure within last 2 months before neurological consultation, and followed them until June 1993. There were 147 patients who met the criteria for inclusion. Overall cumulative recurrence rates were 31.8% by 6 months, 41.3% by 1 year, 44.1% by 2 years, 42.2% by 3 years, and 45.2% by 4 years. Among the risk factors that were evaluated, the time of the day at which the initial seizure occurred was associated significantly (P < 0.05) with seizure recurrence. In our series, 62 patients received ACD and 85 did not. We did not find a significant difference in recurrence rate with regard to ACD therapy. Our results are comparable with those of studies reported previously and suggest that the majority of recurrences after a first unprovoked seizure were seen in the first year (in our series 89% of all recurrences). In our study there was no significant predictor of seizure recurrence, except the time of day at which the initial seizure occurred.
These findings demonstrated that the Turkish translation is equivalent to the English version of MIDAS in terms of internal consistency, test-retest reliability, and validity. Physicians can reliably use the Turkish translation of the MIDAS questionnaire in defining the severity of illness and its treatment strategy when applied as a self-administered report by migraine patients themselves.
Sex hormones have some implications on headaches. The objective of the study was to investigate the effects of hormonal changes comparatively on tension-type headache (TTH) and migraine, in a population-based sample. A nationwide face-to-face prevalence study was conducted using a structured electronic questionnaire. 54.3 % of the migraineurs reported that the probability of experiencing headache during menstruation was high, whereas 3.9 % had headache only during menstruation. Forward logistic regression analysis revealed that menstruation was a significant trigger for migraine in comparison to TTH. On the other hand, nearly double the number of TTH sufferers reported “pure menstrual headache” compared to migraineurs (p = 0.02). Menstrual headaches caused significantly higher MIDAS grades. One-third of the definite migraineurs reported improvement during pregnancy and oral contraceptives significantly worsened migraine. Menopause had a slight improving effect on migraine compared to TTH. Sex hormonal changes have major impacts particularly on migraine; however, the effects of hormonal fluctuations on TTH should not be underestimated.Electronic supplementary materialThe online version of this article (doi:10.1007/s10194-012-0475-0) contains supplementary material, which is available to authorized users.
Our data strongly support continuum hypothesis. In early adolescence headaches might present with mixed headache characteristics. Age and gender have some influence on headache characteristics, particularly on migraine. The sensitivity and specificity of case definition criteria of ICHD-2 for adolescent migraine is moderate and need to be reconsidered.
Preserving level 2b during selective neck dissection decreases trauma to the accessory nerve and improves functional results.
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