Headache was reported in up to one‐third of the hospitalized patients; yet, the clinical characteristics of headache associated with coronavirus disease 2019 (COVID‐19) have not been defined. This observational case study included patients who were consulted to headache unit due to headache and had COVID‐19 illness. Headache features in 13 PCR‐confirmed COVID‐19 patients with mild symptoms were reported. Headache was the isolated symptom of the COVID‐19 in 3 patients and emerged as an early symptom during the disease course in all patients. Patients specified severe, rapid onset, unrelenting headache with migraine‐like features, as well as unusual sensory symptoms such as anosmia, and gastrointestinal symptoms such as diarrhea and loss of appetite and weight. Headache lasted up to 3 days in 70% of the patients and resolved in all patients within 2 weeks. Despite the fact that most of the patients were female and headache characteristics were suggestive of migraine, majority of patients were not suffering from primary headaches. It was concluded that headache could be an isolated symptom of COVID‐19, which might possibly be ignored in asymptomatic patients. Headaches associated with COVID‐19 included features resembling migraine and/or atypical symptoms including anosmia and diarrhea.

Introduction Headache is a frequent but neglected side effect of angiography, and the criteria for angiography related headache have been based on only a few studies. Methods One-hundred and thirty nine patients who underwent cerebral angiography and 30 controls who underwent peripheral angiography participated in this prospective, non-randomized, case-control study. Participants were instructed to tell the angiography staff in case a headache developed and were questioned about their headache just after, 24 hours after, and one week after angiography. Results In the cerebral angiography group 42 patients (30.2%) had procedural headache compared to three of the controls (10%). Two different types of headache related to angiography were observed: one during angiography, which was related to contrast injection, and the other occuring within 24 hours. Both headaches were more frequent in patients with a history of primary headache, but were distinctly different from the premorbid headache. Headache characteristics are described in detail. Discussion Both types of headache related to angiography did not match the ICHD-3beta criteria for angiography headache, but were similar to headaches reported in studies that were not included in the current criteria. The timing and characteristics of these headaches are discussed in the light of our and previous reports. We suggest that the present ICHD-3 beta criteria are inadequate in properly defining angiography headache and should be revised in the light of the present literature.

Idiopathic intracranial hypertension (IIH) is a relatively uncommon disorder characterised by raised intracranial pressure without an established pathogenesis. Diagnosis of IIH requires the demonstration of symptoms and signs referable only to elevated intracranial pressure; cerebrospinal fluid (CSF) opening pressure >25cm HO measured in the lateral decubitus position; normal CSF composition; and no evidence for an underlying structural cause demonstrated by using MRI or contrast-enhanced CT scan for typical patients and MRI and MR venography for atypical patients such as man, children and those with low body mass index. We present a 38-year old primigravid renal transplant patient at 7 weeks of gestation who presented with 2 weeks of intense, throbbing, holocranial headache, nausea, vomiting, photophobia, diplopia and progressive visual loss. When medical treatment fails and/or not appropriate to use due to the reported of teratogenic risks in pregnant women, surgical interventions gain importance. In this particular patient, venticuloperitoneal shunt was chosen as the CSF diversion technique. In this case report indications, contraindications in addition to outcomes regarding headache, vision loss and the resolution of papilloedema of the present surgery options for IIH are discussed.

ObjectiveTo investigate the possible subgroups of patients with Cluster Headache (CH) by using K-means cluster analysis.MethodsA total of 209 individuals (mean (SD) age: 39.8 (11.3) years), diagnosed with CH by headache experts, participated in this cross-sectional multi-center study. All patients completed a semi-structured survey either face to face, preferably, or through phone interviews with a physician. The survey was composed of questions that addressed sociodemographic characteristics as well as detailed clinical features and treatment experiences.ResultsCluster analysis revealed two subgroups. Cluster one patients (n = 81) had younger age at diagnosis (31.04 (9.68) vs. 35.05 (11.02) years; p = 0.009), a higher number of autonomic symptoms (3.28 (1.16) vs. 1.99(0.95); p < 0.001), and showed a better response to triptans (50.00% vs. 28.00; p < 0.001) during attacks, compared with the cluster two subgroup (n = 122). Cluster two patients had higher rates of current smoking (76.0 vs. 33.0%; p=0.002), higher rates of smoking at diagnosis (78.0 vs. 32.0%; p=0.006), higher rates of parental smoking/tobacco exposure during childhood (72.0 vs. 33.0%; p = 0.010), longer duration of attacks with (44.21 (34.44) min. vs. 34.51 (24.97) min; p=0.005) and without (97.50 (63.58) min. vs. (83.95 (49.07) min; p = 0.035) treatment and higher rates of emergency department visits in the last year (81.0 vs. 26.0%; p< 0.001).ConclusionsCluster one and cluster two patients had different phenotypic features, possibly indicating different underlying genetic mechanisms. The cluster 1 phenotype may suggest a genetic or biology-based etiology, whereas the cluster two phenotype may be related to epigenetic mechanisms. Toxic exposure to cigarettes, either personally or secondarily, seems to be an important factor in the cluster two subgroup, inducing drug resistance and longer attacks. We need more studies to elaborate the causal relationship and the missing links of neurobiological pathways of cigarette smoking regarding the identified distinct phenotypic classes of patients with CH.

Background: Our purpose was to investigate the demographics, diagnosis patterns, clinical characteristics, triggers, treatment experiences, and personal burden of patients with Cluster headache (CH) in Turkey, a country located between Europe and Asia.Methods: The study is a cross-sectional investigation based on data from eight headache centers in Turkey. All patients completed the semi-structured survey either face to face or by phone interview with a neurologist.Results: A total of 209 individuals with a mean age of 39.8 (11.3) completed the survey (176 males; 188 episodic, 21 chronic). The mean age at disease onset was 28.6 (10.2) years. The diagnostic delay was 4.9 years and misdiagnosis before CH was 57.9%. Of participants, 9.1% reported a positive family history for CH. Male patients with CH showed higher rates for being current smokers in comparison to females (59.7% vs. 24.2%; p<0.0001) and they also had significantly more past history of smoking at the time of first diagnosis (60.8% vs. 21.2%; p<0.0001). Females with CH had a previous diagnosis of migraine more frequently (57.6% vs. 27.3; p=0.001). Attack duration without treatment was significantly longer in female patients with CH compared to males (112 min vs. 87 min; p=0.029). Female participants had more migrainous features (57.6 % vs. 36.9%; p=0.033) and nausea/vomiting (48.5% vs. 30.1%; p=0.045) during their attacks. Only 42.1% of all participants reported satisfying treatment experiences. Of the participants, 85.9 % reported that oxygen was efficient for abortive treatment of CH; however, only 22 % of them had an oxygen tube at home. Female participants, as well as chronic CH patients, reported a higher likelihood of preventive treatment experiences. In this study, 49.3% of all participants appeared to be disabled by their headaches. Over one-quarter percent of our cohort reported that CH caused job-related burden.Conclusion: Remarkable diagnostic delay is an ongoing problem for CH and migraine was the most common misdiagnosis. Nearly half of the patients suffered from a burden of CH regardless of chronicity. Both past abortive and preventive treatment experiences of the participants highlight the insufficient efficacy of available choices and the necessity of more specific treatments for CH.

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Background: To examine the impact of the lockdown period of the pandemic on COVID-19 phobia and post-traumatic stress disorder in migraine patients.Methods: A total of 73 patients, including 39 migraine and 34 controls, completed the study during the lockdown period. The patients were evaluated by using Structured Headache Questionnaire, PCL-5 and COVID -19 Phobia Scale via the telephone-based telemedicine method.Results: Migraine patients had significantly lower scores in all subgroups of the COVID-19 Phobia Scale (mean = 42.33 ± 12.67) than those in the healthy control group (mean = 52.88 ± 13.18). PCL-5 scale scores in migraine patients were significantly lower (mean = 27.18 ± 14.34) compared to the healthy controls (Mean = 34.03 ± 14.36). Migraine attack frequency decreased or did not change in 67% of the patients during the lockdown period.Conclusion: Acute stress response to an extraordinary situation such as a pandemic may be more controlled in migraine patients, yet specific phobia and post-traumatic stress disorder have been reported more frequently in patients with migraine under normal life conditions. We interpreted that the life- long headache associated stress may generate tendency to a resilience and resistance to extraordinary traumatic events in migraine patients.

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