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Abstract
We investigated 260 consecutive patients classified as migraine cases aged 3-69 at two tertiary headache centres, one for children and adolescents and the other for adults to evaluate the relationship between age and clinical features of migraine cross-sectionally. We only included subjects with definite migraine without or with aura and we excluded subjects with coexisting tension-type headache, medication overuse and/or other clinically relevant disorders. The percentage of males decreased markedly from childhood to adulthood and this affected the evalution of age-related changes in male patients, as only large differences reached the level of statistical significance. In females, the headache duration and the prevalence of unilateral, pulsating pain, photophobia and phonophobia increased, whereas the prevalence of aggravation by physical activity decreased with age. In conclusion, this cross-sectional, clinic-based study on a strictly defined sample of 260 consecutive patients with definite migraine covering a wide range of age from the very young to the old suggests marked age-related differences of the clinical features of migraine in females and failed to demonstrate similar differences in males due to the small number of adult male migraineurs.
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Familial Hemiplegic Migraine: Follow-up Findings of Diffusion-Weighted Magnetic Resonance Imaging (MRI), Perfusion-MRI and [99mTc] HMPAO-SPECT in a Patient with Prolonged Hemiplegic Aura. Cephalalgia 2016; 24:533-9. [PMID: 15196295 DOI: 10.1111/j.1468-2982.2003.00706.x] [Citation(s) in RCA: 60] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Familial hemiplegic migraine (FHM) is a rare inherited autosomal dominant disorder. Migraine aura may last up to several weeks and then resolve without sequel. We report a 21-year-old male with FHM since the age of 3 years. Diffusion-weighted magnetic resonance imaging (DWI), perfusion-MR imaging (P-MRI) and [99mTc] hexamethyl-propyleneamine-oxime-single photon emission tomography (HMPAO-SPECT) were performed on day 2, when he was somnolent with right-sided hemiplegia, on day 9 when a mild hemiparesis was still present and on day 24 after recovery. The right central region showed normal findings in DWI, whereas P-MRI and SPECT revealed hyperperfusion on day 2, less marked on day 9, and normal findings on day 24. In conclusion, this case report indicates for the first time, by means of SPECT, P-MRI and DWI studies, that even extremely long-lasting migraine aura is not associated with cerebral ischaemia. Therefore, it supports the revised International Headache Society criteria where the term ‘persistent’ aura is proposed.
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Facial pain in a Neurological Tertiary Care Centre — Evaluation of the International Classification of Headache Disorders. Cephalalgia 2016; 25:689-99. [PMID: 16109050 DOI: 10.1111/j.1468-2982.2004.00936.x] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
The aim of this study was to examine the diagnostic spectrum of facial pain and to evaluate the clinical features relevant to the differential diagnosis in a neurological tertiary care centre. This is the first investigation comparing the first with the second edition of the International Classification of Headache Disorders (ICHD-I, ICHD-II) in consecutively referred patients comprising a broad spectrum of disorders without restricting the inclusion to certain diagnoses. Studying 97 consecutive patients referred for facial pain, we found trigeminal neuralgia or other types of cranial neuralgia in 38% and 39% according to ICHD-I and ICHD-II, respectively; persistent idiopathic facial pain was diagnosed in 27% and 21%, respectively. The proportion of patients who could not be classified was 24% in ICHD-I and 29% in ICHD-II. Six per cent of the patients had cluster headache or chronic paroxysmal hemicrania, the remaining 5% had various other disorders. The agreement between ICHD-I and ICHD-II was very good to perfect. In ICHD-II, sensitivity and specificity were similar to ICHD-I, the specificity and negative predictive value were imrpoved in single features of trigeminal neuralgia, but were widely unchanged in persistent idiopathic facial pain. The number of patients who could not be classified was larger in ICHD-II than in ICHD-I. Modifying the diagnostic criteria for different types of facial pain, in particular changes in the criteria of persistent idiopathic facial pain, might be helpful in reducing the number of patients with unclassifiable facial pain.
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Abstract
Migraine is related to numerous factors such as hormones, stress or nutrition, but information about their actual importance is limited. Therefore, we analysed prospectively a wide spectrum of factors related to headache in migraineurs. We examined 327 migraineurs recruited via newspapers who kept a comprehensive diary for 3 months. Statistical analysis comprising 28 325 patient days and 116 dichotomous variables was based on the interval between two successive headache attacks. We calculated univariate Cox regression analyses and included covariables with a P-value of <0.05 in two stepwise multivariate Cox regression analyses, the first accounting for a correlation of the event times within a subject, the second stratified by the number of headache-free intervals. We performed similar analyses for the occurrence of migraine attacks and for the persistence of headache and migraine. Menstruation had the most prominent effect, increasing the hazard of occurrence or persistence of headache and migraine by up to 96%. All other factors changed the hazard by <35%. The two days before menstruation and muscle tension in the neck, psychic tension, tiredness, noise and odours on days before headache onset increased the hazard of headache or migraine, whereas days off, a divorced marriage, relaxation after stress, and consumption of beer decreased the hazard. In addition, three meteorological factors increased and two others decreased the hazard. In conclusion, menstruation is most important in increasing the risk of occurrence and persistence of headache and migraine. Other factors increase the risk less markedly or decrease the risk.
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Reliability of assessing lifestyle and trigger factors in patients with migraine - findings from the PAMINA study. Eur J Neurol 2015; 23:120-6. [DOI: 10.1111/ene.12817] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2015] [Accepted: 06/23/2015] [Indexed: 01/11/2023]
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Darling, the doctor says I slept well but I still have headache in the morning: an actigraphic study in couples. J Headache Pain 2013. [PMCID: PMC3620331 DOI: 10.1186/1129-2377-14-s1-p145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Darling, the doctor says I slept well but I still have headache in the morning: an actigraphic study in couples. J Headache Pain 2013. [DOI: 10.1186/1129-2377-1-s1-p145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Abstract
The course of disease and the predictive value of depression and anxiety in patients with migraine were prospectively examined. We recruited 393 migraineurs through articles in newspapers and performed a follow-up examination 30 months later. At baseline and follow-up, patients underwent a semi-structured interview, filled out the Headache Impact Test (HIT-6), Self-rating Depression Scale (SDS) and Self-rating Anxiety Scale (SAS) and they kept a headache diary for 30 days. One hundred and fifty-one patients (38.6%) were seen at follow-up. The baseline data of patients with and without follow-up were comparable. At follow-up the number of headache days per month had decreased from 9.6 ± 5.8 to 8.1 ± 6.3 ( P < 0.001) and the proportion of patients with chronic headache (15.4%) and medication overuse (13%) had remained stable. SDS and SAS scores were associated with a high migraine frequency and high initial SDS scores predicted high migraine frequency at follow-up. This longitudinal study in unselected patients with migraine not excluding subjects with chronic headache, medication overuse, depression or anxiety does not point towards migraine as a progressive disease in the vast majority of patients and confirms the importance of psychiatric comorbidity.
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Abstract
The objective of this study was to evaluate whether the quality of sleep and the degree of fatigue and daytime sleepiness are related to migraine. We investigated 489 subjects comprising 97 patients with eight or more, 77 patients with five to seven and 196 patients with one to four migraine days per month, and 119 migraine-free controls with fewer than six headache days per year. The patients were recruited via articles in newspapers not stressing the subject of the study. All participants underwent a semistructured interview and completed the Pittsburgh Sleep Quality Index (PSQI), the Fatigue Severity Scale (FSS), the Epworth Sleepiness Scale (ESS) and the Self-rating Depression Scale and the Self-rating Anxiety Scale. For statistical analysis we used two way MANOVAs, post hoc univariate two-way ANOVAs and Hochberg's GT2 tests as well as three-way mixed design ANOVAs. The PSQI total score was highest in patients with frequent migraine (5.9 ± 4.3) and lowest in controls (4.3 ± 2.5, P = 0.04). Four subscores of the PSQI showed similar statistically significant differences. The FSS and ESS scores did not differ in the four study groups. Analysing depression and anxiety revealed a significant impact on PSQI, FSS and ESS, but did not demonstrate interactions with migraine, thus suggesting that the impact of migraine is similar in patients without and with psychiatric comorbidity. In conclusion, the quality of sleep is decreased in patients with migraine, whereas fatigue and daytime sleepiness do not differ from healthy controls. The decreased quality of sleep in migraineurs is also a consequence of migraine itself and cannot be explained exclusively by comorbidity with depression or anxiety.
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First Austrian Case of Hypnic Headache: Serial Polysomnography and Blood Pressure Monitoring in Treatment With Indomethacin. Cephalalgia 2008; 28:1086-90. [DOI: 10.1111/j.1468-2982.2008.01611.x] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Abstract
Genetic epidemiological twin studies have demonstrated a significant heritability for migraine, with > 60% of liability to migraine either with or without aura coming from additive genetic factors. Because of the essential role of serotonin in the pathophysiology and treatment of migraine, genes of the serotonin system are candidates for involvement in migraine. Consequently, we examined two functional VNTR polymorphisms in the serotonin transporter gene, the 5-HTTLPR and the intron 2 VNTR, in a sample of 212 family trios each with a proband with childhood migraine, 153 with migraine without aura (MoA) and 59 with migraine with aura (MA). For the first time, we used transmission disequilibrium test analysis with the program TDTPHASE to examine the transmission of these two markers and their haplotypes to offspring affected by migraine. We found no significant transmission distortion of any marker, with the common L allele of the 5-HTTLPR transmitted 170 times and not transmitted 178 times, and the S allele 130 vs. 122 times. Likewise, the common 12 allele of the intron 2 VNTR was transmitted 201 times and not transmitted 188 times, and the 10 allele 107 vs. 120 times. The markers were not associated with MoA and MA and none of the haplotypes was associated with overall migraine, MoA or MA. The 5-HTTLPR and the intron 2 VNTRs do not play a major role in susceptibility to migraine.
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Family-based association analysis of functional VNTR polymorphisms in the dopamine transporter gene in migraine with and without aura. J Neural Transm (Vienna) 2007; 115:91-5. [PMID: 17690944 DOI: 10.1007/s00702-007-0799-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2007] [Accepted: 07/23/2007] [Indexed: 10/23/2022]
Abstract
Because of the role of dopamine in triggering migraine attacks, genes of the dopamine system are candidates for involvement in migraine. We examined three VNTR polymorphisms in the dopamine transporter, the 5'UTR VNTR, the intron 8 VNTR and the intron 14 VNTR, in a sample of 205 family trios. We used the transmission disequilibirium test (TDT) to examine the transmission of these three markers and their haplotypes to offspring affected by migraine. We found no significant transmission distortion of any marker. Likewise haplotypes of the three markers did not show significant overall or individual association with migraine. Finally we examined migraine with and without aura, and likewise found no association between dopamine transporter VNTRs or their haplotypes and either classification of the disease. We conclude that functional genetic variation in the dopamine transporter does not act as a significant risk factor for migraine.
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Abstract
Based on an overview of the literature, this contribution critically discusses the importance of non-alimentary trigger factors of migraine and tension-type headache. Menstruation, environmental factors, psychological effects as well as sleep disorders and fatigue are mentioned most frequently. According to controlled studies, menstruation is indubitably associated with an increased risk of headache. Although a correlation between specific meteorological parameters and the appearance of headaches was established in some patients, the subjective observations of the patients did not however correlate with the objective weather data. Sensory stimuli function as triggers particularly for migraine with aura. Psychological factors, especially stress and everyday pressures, have been confirmed as trigger factors, but further prospective trials addressing this issue would be advantageous. Additional studies are also needed to elucidate the significance of sleep (disorders) and fatigue since their importance as triggers or symptoms of a headache attack has not been conclusively determined.
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Clinical features, classification and prognosis of migraine and tension-type headache in children and adolescents: a long-term follow-up study. Cephalalgia 2006; 26:820-30. [PMID: 16776697 DOI: 10.1111/j.1468-2982.2006.01108.x] [Citation(s) in RCA: 81] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
We performed a long-term follow-up examination in children and adolescents with migraine and tension-type headache (TTH) in order to investigate the evolution of clinical features and headache diagnoses, to compare International Classification of Headache Disorders (ICHD)-I and ICHD-II criteria and to identify prognostic factors. We re-examined 227 patients (52.4% female, age 17.6 +/- 3.1 years) 6.6 +/- 1.6 years after their first presentation to a headache centre using identical semistructured questionnaires. Of 140 patients initially diagnosed with migraine, 25.7% were headache free, 48.6% still had migraine and 25.7% had TTH at follow-up. Of 87 patients with TTH, 37.9% were headache free, 41.4% still had TTH and 20.7% had migraine. The number of subjects with definite migraine was higher in ICHD-II than in ICHD-I at baseline and at follow-up. The likelihood of a decrease in headache frequency decreased with a changing headache location at baseline (P < 0.0001), with the time between baseline and follow-up (P = 0.0019), and with an initial diagnosis of migraine (P = 0.014). Female gender and a longer time between headache onset and first examination tended to have an unfavourable impact. In conclusion, 30% of the children and adolescents presenting to a headache centre because of migraine or TTH become headache-free in the long-term. Another 20-25% shift from migraine to TTH or vice versa. ICHD-II criteria are superior to those of ICHD-I in identifying definite migraine in children and adolescents presenting to a headache centre. The prognosis is adversely affected by an initial diagnosis of migraine and by changing headache location, and it tends to be affected by an increasing time between headache onset and first presentation.
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Abstract
Based on a review of the literature the authors discuss the role of nutrition in the precipitation of migraine and tension-type headache (TTH). The available information relies largely on the subjective assessment of the patients. Controlled trials suggest that alcohol and caffeine withdrawal are the most important nutritional precipitating factors of migraine and TTH. In addition, there is some evidence that missing meals is also an important factor. Dehydration seems to deserve more attention. A selective sensitivity to red wine has been shown in some patients, the importance of chocolate has been doubted seriously, and scientific evidence for cheese as a precipitating factor is lacking. Despite a series of experimental studies demonstrating that NO donors such as nitroglycerin and parenteral histamine cause headache the role of histamine, nitrates, and nitrites in food remains unclear. Similarly, other biogenic amines and aspartame have not been proven to precipitate headache. Sodium glutamate causes adverse reactions including headache probably at large doses ingested on an empty stomach. Therefore, patients should be advised that food plays a limited role as a precipitating factor of migraine and TTH. Subjective sensitivity to certain foods should be examined critically, and proven precipitating factors should be avoided. General dietary restrictions have not been proven to be useful.
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Meyer B, Unger A, Nikfardjam M, Delle Karth G, Mörtl D, Wöber C, Heinz G. Crit Care 2006; 10:P461. [DOI: 10.1186/cc4808] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Establishing principles for migraine management in primary care. Int J Clin Pract 2003; 57:493-507. [PMID: 12918889] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/04/2023] Open
Abstract
Published guidelines for the management of migraine in primary care were evaluated by an international advisory board of headache specialists, to establish evidence-based principles of migraine management that could be recommended for international use. Twelve principles of migraine management were identified, covering screening, diagnosis, management and treatments: Almost all headaches are benign/primary and can be managed by all practising clinicians. Use questions/a questionnaire to assess the impact on daily living and everyday activities, for diagnostic screening and to aid management decisions. Share migraine management between the clinician and the patient. Provide individualised care for migraine and encourage patients to manage their migraine. Follow up patients, preferably with migraine calendars or diaries. Regularly re-evaluate the success of therapy using specific outcome measures and monitor the use of acute and prophylactic medications regularly. Adapt migraine management to changes that occur in the illness and its presentation over the years. Provide acute medication to all migraine patients and recommend it is taken at the appropriate time, during the attack. Provide rescue medication/symptomatic treatment for when the initial therapy fails. Offer to prescribe prophylactic medications, as well as lifestyle changes, to patients who have four or more migraine attacks per month or who are resistant to acute medications. Consider concurrent co-morbidities in the choice of appropriate prophylactic medication. Work with the patient to achieve comfort with mutually agreed upon treatment and ensure that it is practical for their lifestyle and headache presentation. Using these principles, practising clinicians can screen and diagnose their headache patients effectively and manage their migraine patients over the long-term natural history of the migraine process. In this way, the majority of migraine patients can be well treated in primary care, ensuring a structured and individualised approach to headache management, and conserving valuable healthcare resources.
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Amantadine in Parkinson's disease: lymphocyte subsets and IL-2 secreting T cell precursor frequencies. Exp Gerontol 2001; 36:1761-71. [PMID: 11672995 DOI: 10.1016/s0531-5565(01)00128-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
The antiviral drug amantadine, that is effective in idiopathic Parkinson's disease (PD), may affect the composition and function of peripheral blood lymphocytes. In an explorative study, we therefore compared lymphocyte subpopulations and IL-2 secreting T cell precursors frequencies (HTLp-frequencies) in 15 PD patients without amantadine and six patients on long-term treatment. Five patients were investigated before and three months after the start of treatment. Group comparisons for long-term amantadine treatment showed no differences in subpopulations of B-, T-, and NK cells, and HTLp-frequencies. However, three months after initiation of treatment we noted in all five patients an increase of CD3+CD4+ and decrease of CD3+CD8+ cells, associated with an increase of the CD3+CD4+/CD3+CD8+ ratio. These changes had no effect on the HTLp-frequencies. Thus, at least for a short period of time, amantadine improves the T cell mediated immune system in PD patients.
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Abstract
OBJECTIVES To evaluate the long-term effects of calisthenic home exercises on the incidence of fractures in postmenopausal women. DESIGN Controlled long-term observational study. METHODS Postmenopausal women between 45 and 75 years of age who had been randomly assigned to an exercise or control group in the course of a previous study conducted 5-10 years ago, were invited for follow-up. The number of fractures before and during the observation time were recorded by means of a questionnaire. Vertebral deformities due to fractures were diagnosed by X-rays at entry and at follow-up. Walking speed, muscle strength, static posturography, and maximum oxygen uptake were measured in addition. RESULTS After an average follow-up time of 7.6+/-1.1 years, 73 women of the exercise group and 64 subjects of the control group were investigated. Thirty-three per cent (n=24) of the exercise group reported to have exercised continuously at least three times a week for 20 min. No intergroup differences between the compliant and non-compliant exercisers and the control group were seen in the number of fractures. However, the incidence of fracture was lowest in women with a baseline bone mass less than one standard deviation (SD) below the mean for young adults (high BMC) and highest in those with more than 2.5 SD below the mean for young adults (low BMC) (P<0.001, odds ratio 2.9 [95% CI, 1.59-5.39]). CONCLUSION This long-term follow-up did not produce any evidence that prescription of a calisthenic home exercise program may prevent fractures in postmenopausal women aged between 61+/-6.4 and 68+/-6.5 years.
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Are there predictive factors for long-term outcome after withdrawal in drug-induced chronic daily headache? Cephalalgia 2001; 21:691-6. [PMID: 11531902 DOI: 10.1046/j.1468-2982.2001.00231.x] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
OBJECTIVES To investigate prognostic factors for long-term outcome of patients after inpatient withdrawal because of drug-induced chronic daily headache. PROCEDURES Fifty-five patients (36 females) were re-examined by means of a standardized interview after inpatient withdrawal. The mean observation period was 9.28 +/- 2.85 years (mean +/- SD; median 8.58; range 5.00-13.50). RESULTS Five years after withdrawal, one-third of the patients (34.6%) had an overall favourable outcome, one-third (32.7%) had no recurrent drug overuse and reported a clear-cut improvement of headache, and one-third (32.7%) developed recurrent drug overuse. Most relapses occurred within 2 years, and a small percentage within 5 years. No predictors for long-term outcome after inpatient withdrawal were found. CONCLUSIONS All patients with drug-induced chronic daily headache should be considered as good candidates for inpatient withdrawal, and no patient should be excluded from that therapy.
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Clinical management of young patients presenting with headache. FUNCTIONAL NEUROLOGY 2001; 15 Suppl 3:89-105. [PMID: 11200807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/19/2023]
Abstract
Headache is a common symptom in young patients and requires a clearly structured, individual approach. The history and the clinical examination are prerequisites for planning further management of the condition. The IHS classification is particularly useful in the differential diagnosis of idiopathic headache. Additional diagnostic testing should not be performed routinely, but on an individual basis depending on the patient's history and neurological findings. The acute therapy of idiopathic headache in young patients has been evaluated in few studies only. However, there is general agreement that (in subjects requiring medication) paracetamol, acetylsalicylic acid and ibuprofen are most useful for treating migraine attacks, whereas analgesics should widely be avoided in tension-type headache. For the prophylaxis of migraine and tension-type headache, non-pharmacological measures such as regulation of lifestyle, relaxation training and psychological or psychotherapeutic interventions are much more important than pharmacotherapy, which is required in a small number of patients only.
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Migrainous disorder and headache of the tension-type not fulfilling the criteria: a follow-up study in children and adolescents. Cephalalgia 2000; 20:611-6. [PMID: 11128817 DOI: 10.1111/j.1468-2982.2000.00090.x] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
In this follow-up study in children and adolescents with recurrent headaches classified as migrainous disorder (IHS 1.7) and headache of the tension-type not fulfilling the criteria (IHS 2.3), 28.6% were headache-free and 71.4% still had headaches 2-5 years after the first examination. The majority remained in the same one-digit IHS diagnosis, whereas 20% changed from migraine to tension-type headache or vice versa. The number of IHS criteria fulfilled increased significantly from the first to the second examination. The reason for diagnosing IHS 1.7 and IHS 2.3 most often was a short headache duration or headache characteristics not meeting the criteria. By reducing the minimum headache duration to 1 h, 11 of 58 patients could be diagnosed as migraine without aura. There was a remarkable overlap in the diagnostic criteria for migraine without aura and tension-type headache. In IHS 1.7 and IHS 2.3 this overlap exceeded 80%, with a trend to decrease at the second examination.
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Posturographic findings in patients with idiopathic cervical dystonia before and after local injections with botulinum toxin. Eur Neurol 2000; 41:194-200. [PMID: 10343149 DOI: 10.1159/000008050] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
In this posturographic study, whole-body postural control was impaired in more than 75% of patients with idiopathic cervical dystonia (ICD) before local injections with botulinum toxin type A (BTX-A) and the impairment was independent of the direction of the torticollis. Six weeks after therapy with BTX-A, the number of pathological posturographic parameters had decreased by almost 30%, and the improvement reached statistical significance for sway path, sway area and anteroposterior sway during stance on foam with eyes closed. From a pathophysiological point of view, this improvement may be explained - at least in part - by a reduction of abnormal proprioceptive input from the neck. Accordingly, it seems possible that neck proprioceptive input plays a role in whole-body postural control in ICD patients, even though previous studies suggested that the neck input is relatively ignored in these patients.
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Abstract
OBJECTIVES The aim of the study was to investigate the effects of different loads on tremor around 10 Hz during fatiguing contractions. METHODS Eighteen healthy volunteers performed sustained isometric knee extensions at 30%, 50% and 70% maximum voluntary contraction (MVC). During the fatiguing contractions, mechanical recordings were made with a high-resolution force sensor. Tremor-power was calculated for the 6-20 Hz frequency window as a function of time normalized to endurance time. RESULTS Initial tremor power was different between the high and low load tasks. Changes of tremor with contraction time differed between the three tasks, in that tremor of the 30% MVC contraction showed the least decrease throughout the sustained contraction, whilst that of the 50% and 70% MVC showed progressively higher decreases. At failure, all 3 contractions merged to the same tremor level. CONCLUSION Load-dependent, fatigue-related 6-20 Hz tremor changes during sustained submaximum voluntary contractions seem mainly the consequence of recruitment of new units and fatigue-related properties of the high threshold motor units of muscles.
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Abstract
Virchow-Robin spaces (VRS) are pia-lined extensions of the subarachnoid space which surround penetrating arteries as they enter the brain on its surface. Using high-resolution MRI, which shows small penetrating arteries, we studied a possible association of accentuated VRS in children with tension-type headache (TTH) or migraine. We studied 58 children aged 3-14 years (mean 10.8 years) with a clinical diagnosis of migraine (31) or TTH (27), who underwent cerebral MRI, and 30 headache-free patients of the same age (mean 10.2 years) and 30 adult migraineurs with postpubertal onset of symptoms, who served as controls. The images were reviewed for structural abnormalities in the regions of the small penetrating arteries. Accentuated VRS were found in 61% of the children with migrainous headaches and in 22% of children of those with TTH. Prominent VRS were seen in 27% of the control children and in only 13% of the adults. Small infarcts and gliosis were rare in children with or without headache, but were seen in 30% of the adult migraineurs. Our findings show that accentuated VRS are significantly more common in children with migraine than in those with TTH or headache-free controls. Detection of accentuated VRS may therefore enhance differential diagnosis of primary headaches in children, contributing to an improvement in management.
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Psychosocial factors in children and adolescents with migraine and tension-type headache: a controlled study and review of the literature. Cephalalgia 1999; 19:32-43. [PMID: 10099858 DOI: 10.1111/j.1468-2982.1999.1901032.x] [Citation(s) in RCA: 106] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
We investigated 341 children and adolescents to evaluate the relevance of psychosocial factors in idiopathic headache. According to the criteria of the International Headache Society, 151 subjects had migraine and 94 had tension-type headache (TTH). Ninety-six subjects were headache-free controls. Psychosocial factors covered family and housing conditions, school problems, relations in the peer group, and several other items. We found that migraine patients did not differ from headache-free controls. Patients with TTH more often had divorced parents than the headache-free controls, and they had fewer peer relations than migraineurs and controls. In addition, migraine patients were significantly more often absent from school due to headache. All other psychosocial factors failed to discriminate between the three study groups. In conclusion, this controlled study in children and adolescents suggests that migraine is not related to family and housing conditions, school situation, or peer relations, whereas TTH is associated with a higher rate of divorced parents and fewer peer relations.
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Abstract
OBJECTIVES The aim of this study was to examine the relationship between alcohol consumption and postural control in alcohol-dependent patients. MATERIAL AND METHODS Posturographic measurements were performed in 82 abstinent patients and in 54 healthy controls. The findings in the patients were compared with those in the controls as well as with the daily alcohol consumption, the consumption during 6 months before the admission for alcohol withdrawal therapy and the estimated lifetime alcohol consumption. RESULTS Postural control was impaired in alcohol-dependent patients compared to healthy controls. This impairment was related with the lifetime alcohol consumption, but not with the alcohol consumption per day and prior to admission, respectively. Comparing healthy controls, and alcohol-dependent patients with an estimated lifetime alcohol consumption of < 1000 kg and > or = 1000 kg revealed a significant increase in 6 of 8 sway parameters. Furthermore, the lifetime alcohol consumption increased significantly from patients with normal posturographic and clinical findings to those with abnormalities in both examinations. CONCLUSION This study suggests that postural imbalance in abstinent alcohol-dependent patients is related to the lifetime alcohol consumption.
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Abstract
OBJECTIVES 1) To examine the diagnostic value of the newly proposed manual carpal compression test (mCCT). 2) To evaluate the test efficacy of a serial use of mCCT and Phalen's test (PT) in the clinical diagnosis of carpal tunnel syndrome (CTS) in comparison with standard nerve conduction studies. MATERIALS AND METHODS Prospective, controlled study of 47 patients with 63 symptomatic CTS hands according to clinical as well as electrophysiological criteria. In the control group, 39 hands of 20 healthy volunteers were examined. Clinical neurological examination including mCCT and PT and standard nerve conduction studies were always performed: sensory nerve conduction velocity third and fifth digit to wrist, median distal motor latency. Calculation of sensitivity, specificity, positive and negative predictive value for the mCCT, PT and mCCT+PT, i.e. at least one of both tests positive after sequential application. RESULTS Sensitivity 83% for mCCT, 79% for PT and 92% for mCCT+PT. Specificity 92% for all three conditions. Excellent positive predictive value of 95% and good negative predictive value of 88% for mCCT+PT. CONCLUSION The serial application of mCCT and PT is very useful in the clinical diagnosis of CTS. This finding facilitates the clinical diagnosis by the primary physician, it helps to improve referral decisions to electrophysiological departments and other ancillary examinations and may reduce costs.
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Abstract
The purpose of this study was to compare median somatosensory evoked potentials (SEP) in patients undergoing carotid endarterectomy (CEA) with routine shunting and nonshunting (excluding the option of selective shunting) and to evaluate the significance of a decrease in the amplitude of the cortically generated waveforms of the SEP and/or an increase in the central conduction time (CCT) on the one hand, and that of a loss of the cortical SEP, on the other. Somatosensory evoked potentials were recorded in 32 patients before, during, and after CEA with routine shunting or nonshunting. The N13 and N20 latency, the CCT, and the N20/P25 amplitude were evaluated. In addition, a meta-analysis of 15 previous studies was performed comprising a total of 3,136 patients. The intraoperative cortical SEP showed no differences between shunted and nonshunted patients, apart from the preclamping value of the N20/P25 amplitude which was lower in the nonshunted subjects. The number of patients with decreased and/or delayed cortical SEP (findings frequently used as criterion for selective shunting) was similar in the two study groups. A loss of the cortical SEP occurred in one patient operated on without an indwelling shunt. None of these patients had a new neurologic deficit after surgery. In the meta-analysis, the positive predictive value of decreased and/or delayed cortical SEP was extremely poor, that of absent cortical SEP was poor to moderate and the prevalence of new neurologic deficits was similar in patients undergoing CEA with routine shunting-nonshunting and those with selective shunting-nonshunting. Our study suggests that decreased and/or delayed cortical SEP are unreliable predictors of the neurological outcome of CEA patients and consequently an unsuitable criterion for selective shunting. The meta-analysis confirms this finding and shows that the neurologic outcome is not improved by using an indwelling shunt selectively based on SEP monitoring.
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Abstract
Low bone mass, functional impairment, low muscle strength, and postural instability are predictors of the risk of fracture in an elderly person. The purpose of this study was to investigate the functional impact of an unvarying long-term exercise program to be carried out at home. The exercises had been shown to delay bone loss in an elderly population. At the Department of Physical Medicine and Rehabilitation, University of Vienna, postmenopausal women who had been stratified into exercise or control groups 5 to 10 yr ago were called in for a follow-up examination. Frequency of training, habits, and pain causing disability in activities of daily living were recorded. Walking velocity, muscle strength, and postural stability were measured. Functional assessment, blood analysis, and x-rays of the spine were performed additionally. One hundred twenty-four women aged 68.3 +/- 6.8 yr (mean +/- SD) underwent a follow-up investigation at the outpatient clinic. After 7.7 +/- 1.1 yr the compliance of the training group was still 36%. Self-chosen gait velocity was slightly higher in the regular exercisers than in the controls. No intergroup differences were found for pain induced disability, muscle strength, body sway, and fracture rate. The pain disability index was significantly associated with corrected self-chosen gait velocity. The results suggest that an unvarying home-based exercise program may support general agility but does not yield enough force to improve muscle strength and postural stability in healthy, nondisabled, postmenopausal women who start exercising at the age of 60 yr. Further studies are needed to define more appropriate exercise programs for a comprehensive improvement of functional outcome in a population at high risk for osteoporosis.
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Abstract
The aim of this study was to assess the prevalence of ataxia of stance in different types of alcohol-dependent patients. Posturographic measurements were performed in 82 abstinent alcohol-dependent patients and 54 healthy controls in order to analyse postural control. According to Lesch and co-workers, alcohol dependence was classified as total abstinence (Type I), drinking without loss of control (Type II), fluctuating course (Type III), and persistent severe drinking (Type IV). The mechanisms of alcohol dependence in these subtypes can be summarized as follows: Type I patients drink alcohol to counteract symptoms of alcohol withdrawal; Type II patients use alcohol as an agent for solving conflicts; Type III patients drink alcohol to 'treat' an affective disorder; and Type IV patients have a history of pre-alcoholic neurological and/or psychiatric disorders. The neurological examination showed pathological findings in 39%, whereas posturographic measurements uncovered impaired postural control in 61% (chi2 = 8.8, P = 0.003). Comparing the different study groups revealed that ataxia of stance was most common in alcohol-dependent patients classified as Type IV (tau = 0.24, P = 0.005). In conclusion, posturographic measurements are superior to the clinical examination in detecting postural imbalance in alcohol-dependent patients. The prevalence of postural imbalance is highest in patients classified by Lesch as Type IV. Consequently, this type of alcohol dependence -- characterized by pre-alcoholic neurological and/or psychiatric disorders, bears the highest risk of developing ataxia of stance.
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[Evoked potentials--indications and clinical value]. Wien Med Wochenschr 1998; 148:9-13. [PMID: 9642758] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
This paper deals with studies of evoked potentials in diseases of the peripheral and central nervous system. Indications and clinical value of visual evoked potentials, brain stem auditory evoked potentials, somatosensory evoked potentials and motor evoked potentials are evaluated for frequent neurological diseases.
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Cardiac effects of sumatriptan: findings of Holter monitoring and review of the literature. Wien Klin Wochenschr 1998; 110:331-7. [PMID: 9629625] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The aim of this study was to elucidate possible electrocardiographic effects of sumatriptan in a selected group of patients with severe headache requiring in-patient treatment. The patients (n = 21) were treated with sumatriptan in addition to various other compounds and were asked to record any symptoms following the administration of sumatriptan. In addition, Holter monitoring was performed in all subjects. In agreement with other studies, the adverse events reported by the patients were not related to ECG changes and, vice versa, ECG changes were not accompanied by clinical symptoms. The Holter findings before and after administration of sumatriptan were significantly different in three patients, i.e. recurrent episodes of ST depression and increase in extrasystoles. These changes occurred within a period of 1.45 to 18 hours and were not reproducible when Holter monitoring was repeated without sumatriptan. Even though the findings might be explained by spontaneous variability of Holter monitoring or other factors, this study does not definitely discount the possibility that sumatriptan may cause ST segment changes and increase pre-existing extrasystoles. Controlled studies are required to clarify this issue.
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Abstract
The aim of the study was to determine whether physicians consider anorexia nervosa as a possible diagnosis in children and adolescents presenting various somatic symptoms including significant weight loss. Questionnaires were handed out to participants of a national general medical congress in Austria. The questionnaire included two case vignettes of children with anorexia nervosa and questions about diagnosis, differential diagnoses and management. Anorexia nervosa was considered as possible primary diagnosis in both cases by 3.8% of the respondents and 11.4% suspected a psychosomatic or psychiatric disorder as primary diagnosis in both cases. These findings demonstrate a limited awareness of anorexia nervosa and of a psychosomatic or psychiatric origin of somatic symptoms including weight loss in children and adolescents among physicians. Recognizing anorexia nervosa in an early stage and referring the patients for a psychiatric evaluation as soon as possible is a prerequisite for specialized treatment and might improve the long-term outcome of this severe disorder. Increased educational efforts are required to improve the knowledge among primary care physicians about eating disorders.
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Measurement of the dopaminergic degeneration in Parkinson's disease with [123I] beta-CIT and SPECT. Correlation with clinical findings and comparison with multiple system atrophy and progressive supranuclear palsy. JOURNAL OF NEURAL TRANSMISSION. SUPPLEMENTUM 1997; 50:9-24. [PMID: 9120429] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
The cocaine derivative [123I] beta-CIT binds with high affinity to dopamine uptake sites in the striatum and can be used to visualize dopaminergic nerve terminals in vivo in the human brain with SPECT. It has been validated that the calculation of a simple ratio of specific/nondisplaceable binding during a period of binding-equilibrium in the striatum about 20 hrs after bolus injection of the tracer gives a strong and reliable index of the binding potential of dopamine uptake sites. Previous studies have shown that the dopaminergic deficit in patients with Parkinson's disease (PD) can clearly be visualized and quantified using this method. Our own results in a group of 113 patients with PD demonstrate a 45% loss of striatal [123I] beta-CIT binding in comparison to age corrected control values. Highly significant correlations of SPECT findings with clinical data obtained from the UPDRS rating scale such as akinesia, rigidity, axial symptoms and activities of daily living are demonstrated, while no correlation is found with tremor. The signal loss in a region comprising the whole striatum ranges from 35% in Hoehn/Yahr stage 1 to over 72% in stage V and is highly significantly correlated to the different stages of disease severity. A comparison of [123I] beta-CIT binding in the striatum contralaterally and ipsilaterally to the affected body side in 29 patients with hemiparkinson shows a loss of striatal binding of 41% contralaterally and 30% ipsilaterally. Results from subregional analyses in caudate and putamen show relative sparing of the caudate nucleus in PD. Data in 9 patients with multiple system atrophy (MSA) and 4 patients with progressive supranuclear palsy (PSP) are similar to the findings in PD although the differences between caudate and putamen are somewhat less marked. These data demonstrate that the dopaminergic nerve cell loss in PD and other disorders with a dopaminergic lesion can be quantified with [123I] beta-CIT and SPECT and that hopefully a preclinical or very early diagnosis is made possible. Such studies might also open the way for a better evaluation of neuroprotective strategies in PD. It does not seem to be possible however to differentiate PD and MSA or PSP with this method in individual cases.
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Imaging of dopamine transporters with iodine-123-beta-CIT and SPECT in Parkinson's disease. J Nucl Med 1997; 38:1-6. [PMID: 8998140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
UNLABELLED The aim of the present study was to demonstrate the degeneration of the dopaminergic nigrostriatal pathway in Parkinson's disease by using the cocaine derivative [123I]beta-CIT (2-beta-carbomethoxy-3-beta(4-iodophenyl)-tropane or RTI-55) and SPECT and to relate the findings to the severity of the disease (Hoehn and Yahr scale, H/Y) and to clinical data such as motor score and activities of daily living. METHODS Thirteen volunteers and 47 patients with idiopathic Parkinson's disease (PD) of H/Y Stage I-V (I:n = 16, II:n = 6, III:n = 14, IV:n = 9, V:n = 2) were investigated. Acquisitions were performed 2, 4, 16, 20 and 24 hr postinjection. ROIs were drawn over the striatum and the cerebellum. Specific beta-CIT binding was defined as striatal minus cerebellar binding. The ratio of specific over nondisplaceable binding (striatum/cerebellum-1) was determined as well as the percent deviation of this ratio from age-expected control values. RESULTS The time-activity curve of striatal [123I]beta-CIT binding demonstrated a maximum around 20 hr postinjection in controls and a peak 4 hr postinjection in PD patients. Ratios differed significantly between the two groups. A significant correlation existed between this ratio and clinical measures. Hemiparkinsonian patients revealed significantly diminished [123I]beta-CIT binding not only contralateral to the clinically affected but also contralateral to the clinically unaffected side. [123I]beta-CIT binding showed a significant decrease in comparison to age-expected values ranging from 36% in H/Y stage 1 to 71% in H/Y stage V. CONCLUSION The present study demonstrates that it is possible to visualize and quantify the degeneration of dopaminergic nigrostriatal neurons in PD using [123I]beta-CIT and SPECT with good correlation to clinical parameters.
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Long-term outcome of patients with headache and drug abuse after inpatient withdrawal: five-year follow-up. Cephalalgia 1996; 16:481-5; discussion 461. [PMID: 8933992 DOI: 10.1046/j.1468-2982.1996.1607481.x] [Citation(s) in RCA: 94] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Thirty-eight patients with "chronic daily" headache and ergotamine and/or analgesics abuse according to the criteria proposed by the International Headache Society were re-investigated 5 years after inpatient drug withdrawal. At the end of the observation period, 19 patients (50.0%) had their headaches on only 8 days per month or less, 18 patients (47.4%) were free of symptoms or had only mild headaches. A close correlation was found between the frequency of headache and the duration of drug abuse, as well as between the intensity of headache and the number of tablets taken per month. Frequency and intensity of headache had changed within the first 2 years after withdrawal, but remained stable afterwards. Fifteen patients (39.5%) reported on recurrent drug abuse. Patients with migraine showed a tendency towards a better prognosis compared to patients with tension-type headache or with combined migraine and tension-type headache. The results of this study highlight the long-term efficacy of inpatient drug withdrawal in patients with headache and ergotamine and/or analgesics abuse.
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Abstract
The aim of this study was to investigate whether the IHS criteria for migraine and tension-type headache depend on gender. Among 409 children and adolescents with recurrent idiopathic headache seen at a university outpatient clinic, girls had significantly more often migraine with aura. Also, there was a trend towards a higher frequency of tension-type headache in girls. In migraine, aggravation of headache by physical activity and occurrence of aura symptoms were more common in females, whereas vomiting and phonophobia occurred more often in males. In tension-type headache, females more often reported mild intensity of headache. All other criteria were similar in both sexes. Age influenced the expression of some of the accompanying symptoms in the various types of migraine, but had only minimal influence on other diagnostic criteria of migraine and tension-type headache in females as well as in males. Our study suggests that the frequency of migraine (except that of migraine with aura) is similar among girls and boys, that tension-type headache may occur more often in girls, and that gender has some influence on the IHS criteria for migraine, but almost no influence on those of tension-type headache.
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Abstract
We investigated the influence of age on the IHS criteria for migraine and tension-type headache in 437 consecutive children and adolescents and found the following age-associated statistically significant differences: migraine duration, occurrence of migraine aura, and bilateral location of tension-type headache were more often fulfilled by adolescents, whereas aggravation of headache by physical activity (in migrainous disorder) and photophobia (in migraine with aura) were more often fulfilled by children. Accordingly, there are only a few differences concerning the fulfillment of the IHS criteria for migraine and tension-type headache in children and adolescents. Independent of age, the intensity of headache and the presence or absence of nausea are most important for differentiating the two major types of idiopathic headache. The sensitivity of the IHS criteria for migraine could be increased by reducing the minimum duration of migraine and by allowing the diagnosis of migraine when severe headache is associated with nausea, even though the criteria of location, quality, and aggravation by physical activity are not fulfilled.
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Abstract
We investigated 429 consecutive patients, aged 5 to 18 (mean: 11.0 +/- 3.1) years, diagnosed with migraine or tension-type headache. The patients underwent either MRI or exclusively clinical follow-up examinations. Magnetic resonance imaging revealed normal findings in 82.3% and structural changes in 17.7%. However, the vast majority of these changes had minimal or no pathological relevance, and a causal relationship to the patient's headache could not be proven in any case. In the non-MRI group, clinical follow-up examinations confirmed the initial diagnosis in all patients and MRI was not required in any of these subjects. In conclusion, our study shows a poor relation between recurrent headache fulfilling the criteria of migraine and tension-type headache and structural changes incidentally detected by MRI. In addition, it suggests that clinical follow-up examinations are reliable. Accordingly, MRI is not required for routine examination of recurrent headache in children and adolescents, but it should be performed in patients with abnormal neurological findings, atypical headache pattern, or significant change of preexisting headache.
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Abstract
Sigmund Freud, the famous Viennese founder of psychoanalysis, suffered from recurrent episodes of severe headache. Autobiographic and biographic data make it evident that he had migraine. Freud's theoretical approaches to pain in general and to migraine in particular are discussed. Initially, Freud's theories on the etiopathogenesis of pain and migraine focused on neurophysiological hypotheses which are of historical interest. They were replaced by psychodynamic hypotheses which are still important for our current understanding of pain and headache. These psychodynamic pain theories are reviewed and their importance for headache research is discussed.
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[Sumatriptan--side effects and problems in routine clinical practice]. MEDIZINISCHE KLINIK (MUNICH, GERMANY : 1983) 1995; 90:628-33. [PMID: 8569629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
AIM The study tried to investigate the efficacy, adverse events and possible risk factors of sumatriptan in daily clinical practice. PATIENTS AND METHODS 72 outdoor patients, who had treated their headaches at least once with sumatriptan, partly prescribed to them by outdoor physicians, were asked about their experiences with the drug. According to the criteria of the International Headache Society (1988) 55 patients were suffering from migraine, 11 from cluster headache and 6 from tension-type headache. RESULTS Migraine and cluster patients rated the drug as effective as described in literature. Adverse events were reported by 69% of the patients which was more frequent than in most clinic studies described. Adverse events were usually not serious and transient. They were reported significantly more often by migraine patients than by patients with cluster headache and might not all be correlated to the therapy of sumatriptan. CONCLUSION Sumatriptan has shown to be effective in the treatment of an acute migraine- and cluster-headache. The risk as to severe adverse events, especially cardial adverse events, exists if contraindications for sumatriptan are not considered. Sumatriptan should therefore only be prescribed to carefully diagnosed migraine and cluster headache patients. It should, however, not be given to patients suffering from drug abuse, because they might just change over to sumatriptan.
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Friedrich Nietzsche and Sigmund Freud. Br J Psychiatry 1995; 166:825-6. [PMID: 7663842 DOI: 10.1192/bjp.166.6.825] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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D2 receptor blockade by flunarizine and cinnarizine explains extrapyramidal side effects. A SPECT study. J Cereb Blood Flow Metab 1995; 15:513-8. [PMID: 7714010 DOI: 10.1038/jcbfm.1995.63] [Citation(s) in RCA: 53] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Twenty-six patients under treatment with the calcium channel blockers flunarizine (Fz) or cinnarizine (Cz) were examined-with single-photon emission computed tomography using [123I]iodobenzamide as a ligand. The striatal dopamine D2 receptor-binding potential was determined and found to be reduced by 14 to 63% (39.5 +/- 15.0%; p < 0.0001) in patients compared with age-matched control values. This reduction was larger in 12 patients with extrapyramidal symptoms and was only slowly reversible after discontinuation of treatment. Patients treated for > 6 months had significantly larger reductions than patients treated for a shorter period. Parkinsonian symptoms were only seen in patients older than 50 years. Our findings prove a neuroleptic-like action of Fz and Cz, which seems to be the major reason for their extrapyramidal side effects. Older age and long-term treatment are predisposing factors for these effects.
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Abstract
We investigated whether the criteria for idiopathic headache published by the International Headache Society (IHS) are useful in childhood and adolescence and compared the diagnoses according to this classification with those of Vahlquist. We used a semi-structured questionnaire to examine a total of 437 children and adolescents referred consecutively to a headache outpatient clinic. Twenty-eight of 437 patients were excluded because of symptomatic or unclassifiable headache. Of 409 patients with idiopathic headache, 70.4% had definite migraine or tension-type headache (IHS 1.1, 1.2, 2.1, 2.2), 20.5% had a migrainous disorder (IHS 1.7) and 9.1% had headache of the tension-type not fulfilling the criteria (IHS 2.3). In the differential diagnosis of migraine and tension-type headache the intensity of pain, aggravation of headache by physical activity, nausea and vomiting were the most important features. The quality of pain, photo- and phonophobia were less helpful and location least important. The duration of migraine attacks was less than 2 h in 19.0% of the migraine patients. In general, the diagnostic criteria of migraine were highly specific but less sensitive, and those of tension-type headache highly sensitive but less specific. The agreement between IHS criteria and those of Vahlquist was marked (kappa = 0.57). We conclude that the IHS criteria are useful for classifying headache in children and adolescents referred to a headache outpatient clinic. A forthcoming modification of the IHS criteria should consider a reduction of the minimum duration of migraine attacks from 2 h to 1 h and should try to increase the sensitivity of the criteria for migraine and the specificity of the criteria for tension-type headache.
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Abstract
Over 3 years we evaluated two patients, an adolescent and a child, with migraine-like headache and ischemic stroke. Based on our clinical observations and on literature review of migraine and stroke in the pediatric age group, we believe that the criteria of migrainous infarction outlined by the International Headache Society (IHS) could be occasionally too restrictive. Therefore, we suggest subclassifying migrainous infarction into: (i) "definite", referring to the patients whose ischemic stroke fulfills all the IHS criteria, (ii) "possible", referring to ischemic strokes which fulfill some, but not all, criteria. This subclassification of migrainous infarction may be relevant in clinical practice and in human research studies.
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