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Publications (7)22.32 Total impact

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    ABSTRACT: We aimed to investigate the prevalence of cardiac right left shunts (RLS) in population-based samples of subjects with migraine with aura (n = 42), migraine without aura (n = 44) and controls without headache (n = 41). Cardiac RLS was assessed with transcranial Doppler sonography with intravenous injection of saline. Prevalence of RLS was highest in migraineurs with aura (45.2%) compared to migraineurs without aura (34.1%) and controls (41.5%). Permanent as opposed to latent RLS was more common among patients with migraine with aura (40.5%) than in patients with migraine without aura (23.3%) or controls (24.4%). Differences did not reach statistical significance between the three groups (p = 0.564 for RLS prevalence, p = 0.349 for prevalence of permanent shunts). Our data implicate a trend towards higher prevalence of RLS with larger shunts in subjects with migraine with aura.
    Neurological Sciences 02/2012; · 1.41 Impact Factor
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    ABSTRACT: To estimate the lifetime prevalence of trigeminal neuralgia (TN) and persistent idiopathic facial pain (PIFP) in a population-based sample in Germany. A total of 3336 responders of 6000 contacted inhabitants of the city of Essen in Germany were screened using a self-assessment questionnaire. 327 individuals, who reported recurrent facial pain and randomly selected 150 (5% of 3009) screening negative subjects, received a phone interview by one of six neurologists and if necessary a face-to-face examination. Those with suspected TN or PIFP following the phone interview underwent neurological examination by two neurologists who were unaware of the presumed diagnosis. A random group of 25 (10% of 247) phone interview negative subjects was examined face-to-face. All suspected cases of PIFP received otorhinolaryngological examination and diagnostic cranial magnetic resonance imaging (MRI). In TN patients the number of vessel-nerve contacts was determined by thin-slice cranial MRI. Lifetime prevalence of TN was estimated to be 0.3% [10 of 3336; 95% CI 0.1-0.5%], of PIFP 0.03% [1 of 3336; 95% CI < 0.08%]. Thin-slice cranial MRI detected five vessel-nerve contacts and no symptomatic lesions in the 10 TN patients. This large population-based study revealed that TN and PIFP are rare facial pain disorders.
    Cephalalgia 09/2011; 31(15):1542-8. · 3.49 Impact Factor
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    ABSTRACT: The objective of our study was to field test different chronic migraine (CM) criteria and compare CM epidemiological profiles, which include demographic, personal, and lifestyle characteristics, with high-frequency episodic migraine (HFEM) and low-frequency episodic migraine (LFEM). Questionnaires were mailed to a random sample of 18,000 18-65-year-olds in demographically diverse regions of Germany. The epidemiological data for the three classifications of CM, LFEM and HFEM were assessed using descriptive statistics, Pearson Chi-square, and analysis of variance tests. Among 9350 respondents, CM_I was the most restrictive (N = 37, 0.4%), followed by CM_II (N = 45, 0.5%) and CM_III (N = 185, 2.0%). CM groups did not differ in distribution by age, gender, body mass index, education or smoking and alcohol consumption. Compared to those with LFEM and HFEM, those with CM (CM_III) had significantly different epidemiological profiles. CM prevalence varies by case definition. The epidemiological profiles of the three CM groups are similar but differ significantly from those of HFEM and LFEM. Optimal definitions for clinical practice and epidemiological research require additional field testing.
    Cephalalgia 01/2011; 31(5):520-9. · 3.49 Impact Factor
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    ABSTRACT: Unilateral head pain focused on frontal, orbital or parietal regions is a leading symptom of migraine attacks. Rarely, head pain in migraine can extend involving the maxillary or mandibular region of the face, sometimes isolated facial pain is the only and atypical presentation of migraine. The prevalence of these unusual symptoms in migraine is unknown. We aimed to estimate the true prevalence of facial pain in migraine in a population-based sample of 517 migraine patients in Germany. In 46 (8.9%) cases migraine pain involved the head and the lower half of the face. Patients with facial pain suffer more trigemino-autonomic symptoms than migraine patients (47.8% vs. 7.9%; alpha(2) = 66.23, P < 0.001). In one case isolated facial pain without headache was the leading symptom of migraine. Our results demonstrate that facial pain is not unusual in migraine, whereas isolated facial migraine is extremely rare.
    Cephalalgia 06/2009; 30(1):92-6. · 3.49 Impact Factor
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    ABSTRACT: We validated a German-language self-administered headache questionnaire for migraine (M), tension-type headache (TTH) and trigeminal autonomic cephalalgia (TAC) in a general population sample of people with headache. Randomly selected subjects (n = 240) diagnosed by the questionnaire as M (n = 60), TTH (n = 60), a combination of M and TTH (M+TTH, n = 60) and TAC (n = 60) were invited for examination by headache specialists. One hundred and ninety-three subjects (80%) were studied. Sensitivity and specificity for M were 0.85 and 0.85, for TTH 0.6 and 0.88, for M+TTH 0.82 and 0.87, respectively. Cohen's kappa was 0.6 (95% confidence interval 0.50, 0.71). Of 45 patients with TAC according to the questionnaire, physicians diagnosed cluster headache in two patients only. We conclude: (i) the questionnaire can be used to diagnose M, TTH and M+TTH, but not TAC; (ii) screening questionnaires for epidemiological research should be validated in a general population sample but not in a tertiary headache clinic.
    Cephalalgia 07/2008; 28(6):605-8. · 3.49 Impact Factor
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    ABSTRACT: A population-based sample of 6,000 inhabitants of the city of Essen in Germany was screened using a standard questionnaire for possible cluster headache (CH). Fifty-six percent responded (N = 3336, 50.5% of them women, mean age 44.7 +/- 12.7 years). All suspected cases (N = 182) were interviewed by a neurologist. Four subjects with CH (three men) were identified. The 1-year prevalence of CH was estimated to be 119/100,000 (95% confidence interval 3, 238/100,000).
    Cephalalgia 10/2007; 27(9):1014-9. · 3.49 Impact Factor
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    ABSTRACT: Epidemiological data on trigeminal unilateral autonomic symptoms in patients with migraine are scarce. The authors wanted to provide a population-based evaluation of the prevalence of unilateral autonomic features in migraine patients and an assessment of the expression of unilaterality of autonomic symptoms and head pain in patients with UAs compared to other migraine patients. A population based sample of 6000 inhabitants of the city of Essen in Germany was screened using a previously validated standard questionnaire. Three thousand three hundred and sixty subjects (56% of a total 6000) responded. 841 subjects had migraine, out of which 226 reported accompanying unilatral auetonomic symptoms (26.9%, CI 95% [23.9-30%]). Unilateral autonomic symptoms in patients with migraine are common and have been widely underestimated in the past. One out of four migraine patients regularly experiences one or more unilateral autonomic symptoms during their attack. Migraine patients with accompanying autonomic symptoms seem to experience their pain more unilateral and more severe than non-UA patients.
    Cephalalgia 06/2007; 27(6):504-9. · 3.49 Impact Factor