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Background: The present study aimed to investigate the prevalence and impact of primary headache among students aged 8–12 years in the city of Douala (Cameroon). Methods: From January to May 2022, a cross-sectional study was conducted in 52 primary schools randomly selected from five districts in the city of Douala. The study population consisted of primary school students in level III classes. The diagnosis of primary headache was made according to the International Classification of Headache Disorders, 3rd ed (ICHD-3) criteria and the paediatric version of the HARDSHIP questionnaire was used for recruitment. Results: In total, 2056 students participated of whom 55.9% (n = 1149) were female, with a median age of 11 years. The prevalence of headache in the last 12 months was 85.7% (n = 1762), that of migraine was 26.1% (n = 536) and that of tension-type headache (TTH) was 15.1% (n = 311). Regarding the impact of primary headaches, 176 (32.8%) migraineurs reported absenteeism from school compared to 70 (22.5%) students with TTH (p = 0.03) and 309 (57.6%) migraineurs had a break in their activities compared to 147 (47.3%) students with TTH (p < 0.01). Conclusions: Primary headaches are common among students aged 8–12 years in the city of Douala. They are responsible for a considerable impact on children and their family, particularly for migraineurs. [ABSTRACT FROM AUTHOR]

Background: Migraine pathophysiology has been linked to neuroinflammation. During a migraine attack, trigeminal activation results in the release of calcitonin gene-related peptide (CGRP), which stimulates the release of inflammatory cytokines and plays an important role in migraine, primary headache disorders, and possibly epilepsy. This study aimed to investigate the different types of primary headache disorders among epileptic patients to find out the clinical correlation between serum CGRP level and severity and type of headache among these patients, which can reflect management strategy for better management options of this common comorbidity. Methods: This study was conducted at the Neurology Department and Outpatients Epilepsy and Headache Clinics, Faculty of Medicine, Zagazig University, on 69 patients with epilepsy who were divided into two groups: group (1): 46 epileptic patients suffering from primary headache disorder, and group (2): 23 epileptic patients without headache. The level of calcitonin gene-related peptide was measured. Results: CGRP was significantly higher in epileptic patients with headaches than those without headaches. CGRP expression =61: shows sensitivity of 75%, specificity of 83.3%, and accuracy of 78.3% to discriminate epileptic patients with migraine headaches from epileptic patients with tension headaches. Conclusions: The serum CGRP levels were significantly more in migraine patients and were correlated with characteristics like throbbing type of pain, stress and inadequate sleep. [ABSTRACT FROM AUTHOR]

Aim: Headaches are a major cause of presentations to pediatric neurology clinics, the majority being primary. Although diagnosis is mostly based on medical history and physical examination, imaging methods and electroencephalography (EEG) are used for differential diagnosis or identifying accompanying conditions. We evaluated cases of primary headache presenting to a newly established pediatric neurology clinic in July-December 2022 and compared their magnetic resonance imaging (MRI) and EEG findings. Materials and Methods: Individuals presenting with headaches were first classified as primary or secondary headaches, and patients with primary headaches were included as migraine or tension-type headaches (TTH). Two hundred four patients presented but only fifty migraines and 50 TTH patients, who had EEG and MRI, met the study criteria. Results: Greater photophobia, phonophobia, and family histories were present in the migraineurs, while attack frequencies were higher and durations shorter in the TTH group (p=0.025, p=0.001, respectively). Pain was generally throbbing in character in the migraine patients and compression in the TTH cases. No pathology was encountered in the MRIs of 90% of the migraine patients and 94% of the TTH group. While no pathology was detected at EEG in most cases, sharp spike-wave activity was determined in 10% of the migraine patients and in 2% of the TTH group. Conclusion: MRI and EEG are not generally required in the diagnosis of primary headaches once a detailed history and physical examination have been performed. While the majority of brain MRI requests are of no particular diagnostic value, unnecessarily requested EEGs can lead to misdiagnoses. It is crucially important to ensure that patients are closely monitored and that unnecessary requests are avoided.

Aim: Headaches are a major cause of presentations to pediatric neurology clinics, the majority being primary. Although diagnosis is mostly based on medical history and physical examination, imaging methods and electroencephalography (EEG) are used for differential diagnosis or identifying accompanying conditions. We evaluated cases of primary headache presenting to a newly established pediatric neurology clinic in July-December 2022 and compared their magnetic resonance imaging (MRI) and EEG findings. Materials and Methods: Individuals presenting with headaches were first classified as primary or secondary headaches, and patients with primary headaches were included as migraine or tension-type headaches (TTH). Two hundred four patients presented but only fifty migraines and 50 TTH patients, who had EEG and MRI, met the study criteria. Results: Greater photophobia, phonophobia, and family histories were present in the migraineurs, while attack frequencies were higher and durations shorter in the TTH group (p=0.025, p=0.001, respectively). Pain was generally throbbing in character in the migraine patients and compression in the TTH cases. No pathology was encountered in the MRIs of 90% of the migraine patients and 94% of the TTH group. While no pathology was detected at EEG in most cases, sharp spike-wave activity was determined in 10% of the migraine patients and in 2% of the TTH group. Conclusion: MRI and EEG are not generally required in the diagnosis of primary headaches once a detailed history and physical examination have been performed. While the majority of brain MRI requests are of no particular diagnostic value, unnecessarily requested EEGs can lead to misdiagnoses. It is crucially important to ensure that patients are closely monitored and that unnecessary requests are avoided. [ABSTRACT FROM AUTHOR]

Background: Age reportedly affects headache prevalence differently in boys and girls. However, little empirical data exists regarding pediatric headache prevalence and headache-related burden in children and adolescents according to age and sex. In the present study, we considered age and sex while evaluating the distribution, characteristics, and impairment of primary headache disorders at a pediatric headache center in Germany. Methods: Medical records of children and adolescents attending the headache clinic of the Interdisciplinary Pain Center of the Carl Gustav Carus University Hospital in Dresden during the period 2015-2022 were retrospectively grouped and analyzed depending on age (< or ≥14 years) and sex. Results: The study population consisted of 652 children and adolescents, aged between 3 and 18 years. Almost two-thirds of the patients (≈60%) were females, and almost two-thirds of these females (58%) were ≥14 years of age. Generally, the most prevalent headache diagnoses as defined by the International Classification of Headache Disorders 3rd edition were episodic migraine without aura and the combination of tension-type headache and episodic migraine with or without aura i.e., mixed-type headache (each ≈27%). In the younger group (<14 years), the mixed-type headache was the most prevalent in girls (28.6%), whereas, for boys, episodic migraine without aura was the most prevalent headache diagnosis (47.4%). In the older group (≥14 years), the mixed-type headache continued to be the most prevalent for girls (30%), and it became the most prevalent for boys (26.3%). Before the age of 14, about 16% of children were severely affected by their headaches. After the age of 14, this proportion increased to roughly one-third (33%) of adolescents, driven mainly by teenage girls (26%) who were severely affected by their headaches. Furthermore, the prevalence of comorbidities was significantly higher among girls (67%), particularly in the adolescent group (74%). Conclusions: Our data shows that headache disorders in a specialized pediatric clinic impose a significant burden, especially among teenage girls indicating high therapy needs. Enhancing awareness of early diagnosis and preventive care is crucial to mitigate the development of chronic headaches, and mitigate their adverse effects on life quality and educational capability. [ABSTRACT FROM AUTHOR]

Background: The primary aims of our cross-sectional observational study were: (i) to determine the prevalence of depressive symptoms in children and adolescents with epilepsy compared to controls and (ii) to explore the difference in depressive symptoms in patients with epilepsy only and those with epilepsy and primary headache as a comorbidity. The secondary objective was to explore parental stress levels. Methods: 68 pediatric patients aged 6-18 years (44 with epilepsy only and 24 with epilepsy and headache) and 50 controls were recruited. Depressive profile and parental stress were assessed using Children's Depression Inventory, Second Edition (CDI-2) and Parenting Stress Index-Short Form (PSI-SF). Results: The group with epilepsy showed significantly high depressive symptoms and parental stress compared to controls. The patients with headache in comorbidity experienced more depressive symptoms than those with epilepsy only. Conclusion: Depressive symptoms are more prevalent in patients who have comorbid epilepsy and primary headache; therefore, the neurological/psychological mechanisms underlying this condition should be further investigated. The simultaneous presence of epilepsy, headache and depressive symptoms impacts the quality of life of patients and their parents, increasing parental stress and family management. [ABSTRACT FROM AUTHOR]

Background: The issue of headaches is urgent to address as it can have a significant impact on the global community at large. Various factors influence headaches, one of which is the quality of sleep. This research is conducted to investigate the relationship between sleep quality and primary headaches among students in the Medical Bachelor's Program at Udayana University. Materials and Methods: This study was conducted with a descriptive analysis regarding sleep quality and primary headaches in 164 students. Data collection was done online through questionnaires on primary headaches and the Pittsburgh Sleep Quality Index (PSQI). The data were then analyzed using the contingency coefficient correlation test. Results: A total of 68.3% of students experienced primary headaches, while 87.8% of students had poor sleep quality. There is a relationship between sleep quality and primary headaches (p=0.017) with a correlation value of 0.183, indicating a very weak relationship between the two. Conclusion: There is a significant relationship between the quality of sleep and primary headaches among medical undergraduate students of Udayana University with a very weak correlation. Therefore, providing a better understanding of maintaining a more regular sleep schedule to students is recommended. [ABSTRACT FROM AUTHOR]

Xujie Zhang, Xinrui Huang, Feilin Ni, Xiaopei Mao, Danhua Yang, Min Xu Department of Nursing, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medicine), Hangzhou, Zhejiang, 310003, People’s Republic of ChinaCorrespondence: Min Xu, Department of Nursing, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medicine), No. 54, Youdian Road, Hangzhou, Zhejiang, 310003, People’s Republic of China, Email yudi1212@163.comObjective: We aimed to understand the commonly used acupoints and the acupoint combination rules in Guasha therapy for primary headaches using data mining technology, providing a reference for the clinical application of Guasha therapy for primary headaches.Methods: Literature related to Guasha therapy for primary headaches in PubMed, Web of Science, Chinese National Knowledge Infrastructure, Wanfang Data Knowledge Service Platform, and Chinese Biomedical Literature Database were searched, up until May 12, 2023. A database of acupoints for Guasha therapy for primary headaches was established in Excel. The frequency of the acupoints used for Guasha in therapy of primary headaches were calculated by SPSS 25.0. The association rules between the acupoints were further described using SPSS Modeler 18.0.Results: A total of 67 papers were included, involving 51 acupoints for Guasha against primary headaches. The most commonly used acupoints were Fengchi, Baihui, Taiyang, Shuaigu, Tianzhu, and Hegu. The common acupoint combinations for Guasha therapy for primary headaches were Fengchi-Taiyang, Fengchi-Baihui, Fengchi-Taiyang-Baihui, Fengchi-Tianzhu-Baihui, and Fengchi-Shuaigu-Taiyang-Baihui.Conclusion: Data mining can effectively analyze the commonly used acupoints and the acupoint combination rules in Guasha therapy for primary headaches, providing a reliable basis for clinical acupoint selection.Keywords: primary headache, Guasha, data mining, acupoint selection rules, Chinese medicine nursing

Objective: The underpinning biologics of migraine chronification are not well understood. We aim to investigate the role of the cumulative burden of stress, namely the allostatic load, in migraine chronification. Methods: This was a cross-sectional study. The allostatic load was measured with a composite multi-system score (BALI: Bologna Allostatic Load Index), evaluating 20 biomarkers representing four physiological systems: immune, metabolic, cardiovascular, and neuroendocrinological systems. BALI score was subdivided into high score and low score based on the distribution in controls. Migraine patients were included and subclassified into low-frequency episodic migraine group (low-EM group), high-frequency episodic migraine group (high-EM group), and chronic migraine group (CM group). Results: The distribution of BALI high-score increased in parallel with headache attacks monthly frequency: 16% in low-EM group (n = 10), 24% in high-EM group (n = 12), and 40% in CM group (n = 21) (p = 0.017). In a multivariable analysis, the odds ratio of having a high-score BALI in CM patients (vs. low-EM patients) was 2.78 (95% CI 1.07–7.22; p = 0.036). Individual BALI biomarkers values which were significantly different among migraine subgroups included systolic blood pressure (p = 0.018), diastolic blood pressure (p < 0.001), and heart rate (p = 0.019). Conclusion: Our study substantiates this emerging concept of migraine chronification as an allostatic disorder. [ABSTRACT FROM AUTHOR]

Objectives Sellar pathologies are frequently found on imaging performed to investigate headache. However, both headache and incidental sellar lesions are common. Hence, this study prospectively examined headache prevalence, phenotype, and severity in patients with sellar pathologies and the impact of transsphenoidal surgery on headache. Methods Patients undergoing transsphenoidal resection of sellar lesions were consecutively recruited. At baseline, participants were defined as having headache or not and headache phenotype was characterized using validated questionnaires. Headache severity was assessed at baseline and 6 months postoperatively using the Headache Impact Test-6 (HIT-6) and Migraine Disability Assessment Score (MIDAS). Tumor characteristics were defined using radiological, histological, and endocrine factors. Primary outcomes included baseline headache prevalence and severity and headache severity change at 6 months postoperatively. Correlation between headache and radiological, histological, and endocrine characteristics was also of interest. Results Sixty participants (62% female, 47.1 ± 18.6 years) were recruited. Sixty-three percent possessed baseline headache. HIT-6 scores were higher in patients with primary headache risk factors, including younger age (R 2 = −0.417, p = 0.010), smoking history (63.31 ± 7.93 vs 54.44 ± 9.21, p = 0.0060), and family headache history (68.13 ± 7.01 vs 54.94 ± 9.11, p = 0.0030). Headaches were more common in patients with dural invasion (55.70 ± 12.14 vs 47.18 ± 10.15, p = 0.027) and sphenoid sinus invasion (58.87 ± 8.97 vs 51.29 ± 10.97, p = 0.007). Postoperative severity scores improved more with higher baseline headache severity (HIT-6: R 2 = −0.682, p < 0.001, MIDAS: R 2 = −0.880, p < 0.0010) and dural invasion (MIDAS: −53.00 ± 18.68 vs 12.00 ± 17.54, p = 0.0030). Conclusion Headaches in sellar disease are likely primary disorders triggered or exacerbated by sellar pathology. These may respond to surgery, particularly in patients with severe headache and dural invasion. [ABSTRACT FROM AUTHOR]

Objective: To investigate the prevalence of neuroimaging in patients with primary headaches and the clinician‐based rationale for requesting neuroimaging in China. Data sources and study setting: This study included patients with primary headaches admitted to hospitals and clinicians in China. We identified whether neuroimaging was requested and the types of neuroimaging conducted. Study design: This was a cross‐sectional study, and convenience sampling was used to recruit patients with primary headaches. Clinicians were interviewed using a combination of personal in‐depth and topic‐selection group interviews to explore why doctors requested neuroimaging. Data collection: We searched for the diagnosis of primary headache in the outpatient and inpatient systems according to the International Classification of Diseases‐10 code of patients admitted to six hospitals in three provincial capitals by 2022.We selected three public and three private hospitals with neurology specialties that treated a corresponding number of patients. Principle findings: Among the 2263 patients recruited for this study, 1942 (89.75%) underwent neuroimaging. Of the patients, 1157 (51.13%) underwent magnetic resonance imaging (MRI), 246 (10.87%) underwent both head computed tomography (CT) and MRI, and 628 (27.75%) underwent CT. Fifteen of the 16 interviewed clinicians did not issue a neuroimaging request for patients with primary headaches. Furthermore, we found that doctors issued a neuroimaging request for patients with primary headaches mostly, to exclude the risk of misdiagnosis, reduce uncertainty, avoid medical disputes, meet patients' medical needs, and complete hospital assessment indicators. Conclusions: For primary headaches, the probability of clinicians requesting neuroimaging was higher in China than in other countries. There is considerable room for improvement in determining appropriate strategies to reduce the use of low‐value care for doctors and patients. [ABSTRACT FROM AUTHOR]

Migraine, recognized as a severe headache disorder, is widely prevalent, significantly impacting the quality of life for those affected. This article aims to provide a comprehensive review of the application of animal model technologies in unraveling the pathomechanism of migraine and developing more effective therapies. It introduces a variety of animal experimental models used in migraine research, emphasizing their versatility and importance in simulating various aspects of the condition. It details the benefits arising from the utilization of these models, emphasizing their role in elucidating pain mechanisms, clarifying trigeminal activation, as well as replicating migraine symptoms and histological changes. In addition, the article consciously acknowledges the inherent limitations and challenges associated with the application of animal experimental models. Recognizing these constraints is a fundamental step toward fine-tuning and optimizing the models for a more accurate reflection of and translatability to the human environment. Overall, a detailed and comprehensive understanding of migraine animal models is crucial for navigating the complexity of the disease. These findings not only provide a deeper insight into the multifaceted nature of migraine but also serve as a foundation for developing effective therapeutic strategies that specifically address the unique challenges arising from migraine pathology. [ABSTRACT FROM AUTHOR]

BackgroundAge reportedly affects headache prevalence differently in boys and girls. However, little empirical data exists regarding pediatric headache prevalence and headache-related burden in children and adolescents according to age and sex. In the present study, we considered age and sex while evaluating the distribution, characteristics, and impairment of primary headache disorders at a pediatric headache center in Germany.MethodsMedical records of children and adolescents attending the headache clinic of the Interdisciplinary Pain Center of the Carl Gustav Carus University Hospital in Dresden during the period 2015–2022 were retrospectively grouped and analyzed depending on age (< or ≥14 years) and sex.ResultsThe study population consisted of 652 children and adolescents, aged between 3 and 18 years. Almost two-thirds of the patients (≈60%) were females, and almost two-thirds of these females (58%) were ≥14 years of age. Generally, the most prevalent headache diagnoses as defined by the International Classification of Headache Disorders 3rd edition were episodic migraine without aura and the combination of tension-type headache and episodic migraine with or without aura i.e., mixed-type headache (each ≈27%). In the younger group (

Background & Aims: Headache has been a common problem for humans since ancient times. The aim of this study was to investigate the prevalence of ear, nose, and throat diseases in patients with headache. Materials & Methods: In this descriptive cross-sectional study, we reviewed medical records of 100 patients presenting with headache to the ENT clinic of Imam Khomeini Hospital in Urmia, Iran, between 2019 and 2021. The type of headache (primary or secondary) was diagnosed based on medical history, clinical examinations, and paraclinical examinations (CT scan) and completion of a checklist for each patient. Chi-square and independent t-tests were used to analyze data. The p value < 0.05 was considered significant. Results: Of 100 patients, 58 (58%) had primary headaches with a mean age of 1.72 ± 4.77 years, and 42 (42%) had secondary headaches with a mean age of 5.57 ± 1.43 years (p < 0.01). There was a significant difference in the type of headache and location of pain in patients except for the back of the head and the top of the head (p < 0.05). Of the 58 patients with primary headaches, 26 (44.8%), and of the 42 patients with secondary headaches, 10 (23.8%) woke up from sleep due to headache (p < 0.03). Of the 58 patients with primary headaches, 38 (65.5%), and of the 42 patients with secondary headaches, 12 (28.6%) had their headache worsened by light and noise (p < 0.001). Conclusion: Of all patients, 42% had secondary headaches, which most commonly had symptoms of sinus pain. These patients were treated by an otolaryngologist. Patients with non-sinus headaches were referred to a neurologist.

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Background: Primary stabbing headache (PSH) is an idiopathic headache disorder characterized by head pain occurring as a transient and localized single stab or a series of stabs. The present study aimed to examine the characteristics of childhood PSH and whether they fit the International Classification of Headache Disorders, 3rd edition (ICHD-3) criteria. We also investigated the association with migraine and episodic syndromes. Methods: In this retrospective study, we included 60 patients seen at two headache clinics (Rome and Bari) between 2016 and 2022. A headache-focused history was obtained. All patients had normal neurological examination. PSH was defined according to ICHD-3 criteria. Results: Twenty-three patients were male (38%) and median (range) age at disease onset was 8 (3–17) years. Stabs recurred with irregular frequency and their duration varied from a few seconds up to 30 minutes. Stabs were located in different head regions. Twenty-five patients (42%) underwent neuroimaging exams. Five children reported a limitation of daily activities and none had a chronic pattern. Forty-seven patients (78%) reported a family history of primary headache, especially migraine, and forty-three had episodic syndromes (i.e. infantile colic, benign paroxysmal vertigo, motion sickness, recurrent abdominal pain, cyclic vomiting). Twenty patients had an associated primary headache: 16 suffered from migraine and four suffered from tension type-headache. According to ICHD-3 criteria, thirty-one patients had a diagnosis of probable PSH as a result of a duration of stabs longer than a few seconds (>3 seconds). Conclusions: Features of childhood PSH can vary widely. As seen in previous studies, several patients reported a stab duration longer than a few seconds and this might suggest that current ICHD-3 criteria may need adjustments to be suitable for children. High frequency of associated migraine and episodic syndromes could suggest a common pathophysiological mechanism between PSH and migraine. We can hypothesize that PSH and migraine attacks may be part of a spectrum of the same disease, although further evidence is needed. Larger studies with long-term follow-up are needed to improve understanding of this condition. [ABSTRACT FROM AUTHOR]

This study aimed to evaluate the frequency of episodic primary headaches (EPH) and temporomandibular dysfunction's (TMD) effect in experienced scuba divers. A form consisting of the Fonseca Anamnestic Index and a structured headache questionnaire was sent to individuals using social media platforms. A total of 132 divers and 104 non-divers were included the study. In male divers, EPH and TMD were not different from the non-diver group (p = 0.1, p = 0.1), and TMD had an effect on increasing the possibility of migraine (OR = 2.5, p = 0.04). In female divers, the possibility of EPH and TMD were also lower (OR = 0.1, p < 0.001, OR = 0.2, p = 0.01). Scuba diving does not pose a risk for EPH or TMD in either gender. TMD treatment in male divers is important for uncontrolled migraine attacks. [ABSTRACT FROM AUTHOR]

Abstract Objective To investigate the prevalence of neuroimaging in patients with primary headaches and the clinician‐based rationale for requesting neuroimaging in China. Data sources and study setting This study included patients with primary headaches admitted to hospitals and clinicians in China. We identified whether neuroimaging was requested and the types of neuroimaging conducted. Study design This was a cross‐sectional study, and convenience sampling was used to recruit patients with primary headaches. Clinicians were interviewed using a combination of personal in‐depth and topic‐selection group interviews to explore why doctors requested neuroimaging. Data collection: We searched for the diagnosis of primary headache in the outpatient and inpatient systems according to the International Classification of Diseases‐10 code of patients admitted to six hospitals in three provincial capitals by 2022.We selected three public and three private hospitals with neurology specialties that treated a corresponding number of patients. Principle findings Among the 2263 patients recruited for this study, 1942 (89.75%) underwent neuroimaging. Of the patients, 1157 (51.13%) underwent magnetic resonance imaging (MRI), 246 (10.87%) underwent both head computed tomography (CT) and MRI, and 628 (27.75%) underwent CT. Fifteen of the 16 interviewed clinicians did not issue a neuroimaging request for patients with primary headaches. Furthermore, we found that doctors issued a neuroimaging request for patients with primary headaches mostly, to exclude the risk of misdiagnosis, reduce uncertainty, avoid medical disputes, meet patients’ medical needs, and complete hospital assessment indicators. Conclusions For primary headaches, the probability of clinicians requesting neuroimaging was higher in China than in other countries. There is considerable room for improvement in determining appropriate strategies to reduce the use of low‐value care for doctors and patients.

BackgroundThe primary aims of our cross-sectional observational study were: (i) to determine the prevalence of depressive symptoms in children and adolescents with epilepsy compared to controls and (ii) to explore the difference in depressive symptoms in patients with epilepsy only and those with epilepsy and primary headache as a comorbidity. The secondary objective was to explore parental stress levels.Methods68 pediatric patients aged 6–18 years (44 with epilepsy only and 24 with epilepsy and headache) and 50 controls were recruited. Depressive profile and parental stress were assessed using Children's Depression Inventory, Second Edition (CDI-2) and Parenting Stress Index-Short Form (PSI-SF).ResultsThe group with epilepsy showed significantly high depressive symptoms and parental stress compared to controls. The patients with headache in comorbidity experienced more depressive symptoms than those with epilepsy only.ConclusionDepressive symptoms are more prevalent in patients who have comorbid epilepsy and primary headache; therefore, the neurological/psychological mechanisms underlying this condition should be further investigated. The simultaneous presence of epilepsy, headache and depressive symptoms impacts the quality of life of patients and their parents, increasing parental stress and family management.

Abstract Background Although acute headache following COVID-19 vaccination is widely acknowledged, the long-term progression of these headaches remains poorly understood. Our objective was to identify various phenotypes of prolonged or worsened headaches associated with COVID-19 vaccination and document any changes in these phenotypes over an extended period. Additionally, we aimed to document the diverse headache presentations among patients with pre-existing primary headaches. Methods A multinational, prospective observational study was conducted to investigate prolonged or worsened headaches associated with COVID-19 vaccination. Questionnaires assessing COVID-19 vaccination-related headaches at three time points (initial visit, 3rd month follow-up, and 6th month follow-up) were developed for the study. Headache specialists/clinicians evaluated patients using these questionnaires in a prospective manner. Repeated K-means cluster analysis was performed to identify patient profiles with prolonged or worsened headaches related to COVID-19 vaccination. Results Among the 174 patients included in the study, there was a female-to-male ratio of 128 (73.6%) to 46 (26.4%). The mean age of the patient group was 45.2 ± 13.3 years, and 107 patients (61.5%) had a pre-existing history of primary headaches. Through the analysis, two major clusters were identified based on headache characteristics at each visit. During the first visit (n = 174), Cluster 1 primarily comprised patients with a history of primary headaches, frontal localization of pain, throbbing pain type, more severe headaches accompanied by symptoms such as nausea, phonophobia, photophobia, and osmophobia, and worsened by physical activity. In contrast, Cluster 2 consisted of patients with longer headache durations (over one month) and a stabbing/pressing quality of pain. Patients in Cluster 1 had a higher prevalence of migraine as the pre-existing primary headache disorder compared to Cluster 2 (90.48% vs. 68.18%, respectively; p = 0.005). Conclusion The identification of two distinct phenotypes of prolonged or worsened headaches related to COVID-19 vaccination can provide valuable clinical insights. Having an awareness of the potential worsening of headaches following COVID-19 vaccination, particularly in patients with a primary headache disorder such as migraine, can help clinicians and headache experts anticipate and adjust their treatment strategies accordingly. This knowledge can aid in preplanning treatment modifications and optimize patient care.

Purpose: The study aimed to validate and compare coding algorithms for identifying people with migraine within the Japanese claims database. Methods: This study used the administrative claim database provided by DeSC Healthcare, Inc., that was linked to the results of an online survey administered to adult users of the health app "kencom®." The ability of the 12 algorithms to detect migraines using diagnostic records alone or with prescription records was evaluated based on sensitivity, specificity, positive predictive values (PPVs), and negative predictive values (NPVs). We used a migraine diagnosis judged based on respondents' self-reported symptoms according to the diagnostic criteria of the International Classification of Headache Disorders, version 3 (ICHD-3), as true. Results: Of the 21,480 individuals, 691 had migraine according to the ICHD-3 criteria. The 12 algorithms had a sensitivity of 5.4--8.8%, specificity of 98.8--99.6%, PPVs of 19.2--32.5%, and NPVs of 96.9--97.0%. Algorithm 9 (migraine diagnostic records more than once AND at least one prescription record for migraine prophylaxis or triptans in the same month as diagnosis) produced the highest PPV, whereas Algorithm 2 (at least one diagnostic record of migraine or tension-type headache) had the highest sensitivity. Similar trends were observed when using the ID-Migraine or 4-item migraine screener, instead of the ICHD-3 criteria, for case ascertainment. Conclusion: Strict algorithms, such as Algorithm 9, yielded a higher PPV but a lower sensitivity, and such algorithms may be suitable for studies estimating the relative risk. Conversely, algorithms based on a single diagnostic record, such as Algorithm 2, had a higher sensitivity and may be suitable for studies estimating the prevalence/incidence of disease.Our findings will help select a desirable algorithm for migraine studies using a Japanese claim database. [ABSTRACT FROM AUTHOR]

The aim of the study was to investigate the clinical profile, disease burden, quality of life, and treatment patterns of various headache subtypes. In this prospective observational study, 815 patients presenting with chief complaints of headache between January 2020 to September 2021 were registered. After a detailed history, clinical examination, and subtyping, they were assessed at baseline with well-validated scales for severity (Visual Analogue Scale-VAS), disability burden (Migraine Disability Assessment- MIDAS), Humanistic burden (Headache Impact Test-HIT-6), and quality of life (World health organization-quality of life-WHO-QoL-8) scores. After initiating adequate management, parameters were reassessed at 3 and 6 months. 549 (67.7%) patients had migraine (395-episodic migraine, 144-chronic migraine), 266 (32.2%) patients had tension-type headache (TTH). Loss of sleep, prolonged working hours, and stress were common triggers. Disease burden, severity, and poor life quality was quite high in migraine patients (76.5% with moderate to severe disability, 61.7% with severe headache at onset, and 72% with poor life quality). All parameters had statistically significant improvement with preventive medication and lifestyle changes. In our study, we found migraine was the most common primary headache followed by TTH. Migraine patients had more severity, disease burdens, and inferior quality of life at onset compared to other headaches. With early and proper diagnosis as well as preventive treatment (including lifestyle modifications), all parameters could be reversed positively in a brief time. This is the first study on headache burden and its effect on the quality of life in the north Indian population. [ABSTRACT FROM AUTHOR]

Migraine has a relevant impact on pediatric health. Non-pharmacological modalities for its management are urgently needed. This study assessed the safety, feasibility, acceptance, and efficacy of repetitive neuromuscular magnetic stimulation (rNMS) in pediatric migraine. A total of 13 patients with migraine, ≥6 headache days during baseline, and ≥1 myofascial trigger point in the upper trapezius muscles (UTM) received six rNMS sessions within 3 weeks. Headache frequency, intensity, and medication intake were monitored using headache calendars; headache-related impairment and quality of life were measured using PedMIDAS and KINDL questionnaires. Muscular involvement was assessed using pressure pain thresholds (PPT). Adherence yielded 100%. In 82% of all rNMS sessions, no side effects occurred. All participants would recommend rNMS and would repeat it. Headache frequency, medication intake, and PedMIDAS scores decreased from baseline to follow-up (FU), trending towards statistical significance (p = 0.089; p = 0.081, p = 0.055). A total of 7 patients were classified as responders, with a ≥25% relative reduction in headache frequency. PPT above the UTM significantly increased from pre- to post-assessment, which sustained until FU (p = 0.015 and 0.026, respectively). rNMS was safe, feasible, well-accepted, and beneficial on the muscular level. The potential to reduce headache-related symptoms together with PPT changes of the targeted UTM may underscore the interplay of peripheral and central mechanisms conceptualized within the trigemino-cervical complex. [ABSTRACT FROM AUTHOR]

Background: Patients suffering from primary headaches such as migraine, tension-type headache, and cluster headache frequently report cognitive problems, particularly with attention and memory. The aim of this study was to see if there was a link between pain intensity and cognitive function in people who had primary headaches. Methods: This cross-sectional study included 69 primary headache patients (37 migraines, 27 tension-type headaches and 5 cluster headaches; age range 18–80 year). Migraine, tension-type headache and cluster headache diagnosis were determined according to the International Classification of Headache Disorders 3rd edition beta version (ICHD-3 beta) diagnostic criteria. All eligible subjects underwent cognitive function examination using Montreal Cognitive Assessment Indonesian version (MoCA-INA), Trail Making test A (TMT-A), Trail Making test B (TMT-B), Trail Making test C (TMT-C), Forward Digit Span and Backward Digit Span. The intensity of pain was assessed using Numeric Rating Scale (NRS). Results: There were 69 primary headache patients included in this study, 52 (75.4%) patients had abnormal MoCA-INA, 52(75.4%) patients had abnormal Forward Digit Span and 48(69.6%) patients had abnormal Backward Digit Span. There was significant correlation between pain intensity and cognitive function in migraine, TTH and cluster headaches patients. The MoCA-INA, Forward Digit Span and Backward Digit Span had negative correlations with pain intensity, whereas TMT A-time, TMT A-error, TMT B-time and TMT B-error had positive correlation. Conclusion: There were significant associations between pain intensity of and cognitive function in primary headaches with p<0.05. It is suggested that the more severe pain intensity, the more impair of cognitive function. [ABSTRACT FROM AUTHOR]

ObjectivesThe objectives were (1) to describe and compare headache-related clinical features between teleworkers with migraine and those with tension-type headache (TTH) and (2) to determine the association between coping strategies and headache frequency, and intensity in the context of the COVID-19 pandemic.MethodsThis cross-sectional online survey was conducted with 284 teleworkers (127 with migraine and 157 with TTH). Sociodemographic data, information related to work factors, headache clinical features, coping strategies used during the COVID-19 pandemic, and headache-related clinical features were compared between headache profiles. Bivariate logistic regression analyses were used to determine the association between coping strategies and headache frequency, and intensity.ResultsResults showed that teleworkers with migraine had longer and more painful headache episodes than teleworkers with TTH (ps

Headache is one of the most common neurological symptoms associated with coronavirus disease 19 (COVID-19), which can mimic primary headache phenotypes. COVID-19 and quarantine have affected both the course of primary headache and patient care strategies. The safety of migraine treatment with anti-CGRP (calcitonin gene-related peptides) monoclonal drugs has become important. Another challenge posed by the introduction of mass vaccination is vaccine-related headache, the most common neurological adverse event, and a less common complication, cerebral venous thrombosis. The article provides a brief overview of COVID-19 induced headache and its features, vaccination-induced headache, the impact of COVID-19 and quarantine on primary headache, the safety of anti-CGRP monoclonals, and the advantages and disadvantages of remote consultations on primary headaches.

Background: Although acute headache following COVID-19 vaccination is widely acknowledged, the long-term progression of these headaches remains poorly understood. Our objective was to identify various phenotypes of prolonged or worsened headaches associated with COVID-19 vaccination and document any changes in these phenotypes over an extended period. Additionally, we aimed to document the diverse headache presentations among patients with pre-existing primary headaches. Methods: A multinational, prospective observational study was conducted to investigate prolonged or worsened headaches associated with COVID-19 vaccination. Questionnaires assessing COVID-19 vaccination-related headaches at three time points (initial visit, 3rd month follow-up, and 6th month follow-up) were developed for the study. Headache specialists/clinicians evaluated patients using these questionnaires in a prospective manner. Repeated K-means cluster analysis was performed to identify patient profiles with prolonged or worsened headaches related to COVID-19 vaccination. Results: Among the 174 patients included in the study, there was a female-to-male ratio of 128 (73.6%) to 46 (26.4%). The mean age of the patient group was 45.2 ± 13.3 years, and 107 patients (61.5%) had a pre-existing history of primary headaches. Through the analysis, two major clusters were identified based on headache characteristics at each visit. During the first visit (n = 174), Cluster 1 primarily comprised patients with a history of primary headaches, frontal localization of pain, throbbing pain type, more severe headaches accompanied by symptoms such as nausea, phonophobia, photophobia, and osmophobia, and worsened by physical activity. In contrast, Cluster 2 consisted of patients with longer headache durations (over one month) and a stabbing/pressing quality of pain. Patients in Cluster 1 had a higher prevalence of migraine as the pre-existing primary headache disorder compared to Cluster 2 (90.48% vs. 68.18%, respectively; p = 0.005). Conclusion: The identification of two distinct phenotypes of prolonged or worsened headaches related to COVID-19 vaccination can provide valuable clinical insights. Having an awareness of the potential worsening of headaches following COVID-19 vaccination, particularly in patients with a primary headache disorder such as migraine, can help clinicians and headache experts anticipate and adjust their treatment strategies accordingly. This knowledge can aid in preplanning treatment modifications and optimize patient care. [ABSTRACT FROM AUTHOR]

Headaches can be nociplastic, neuropathic, and nociceptive. Pain related to the latter two categories occurs in the presence of nerve lesions and nociceptive stimuli; attributing pain to the last category requires a list of potential causes and arguments supporting the causal claim. Taking a history and examining patients serves to assess diagnostic criteria and screen for disorders whose diagnosis requires additional examinations. Screening information occurs in two types: one indicates that patients have a headache due to another condition; the other suggests they are at risk. Aspiring to make causal claims for a headache is reasonable because if underlying disorders appear independently and randomly, it is probable that there is only one cause. Thus, having found a cause often implies having found the cause. The prerequisites for causal claims are temporal sequencing, correlation, and elimination of alternate causes. Mechanistic, manipulative, and probabilistic evidence supports the second criterion. The importance of headaches lies in their frequent appearance as an early symptom of an incipient disorder ("sentinel symptom"). Hence, they provide the opportunity to diagnose early diseases with potentially deleterious consequences. Thus, it is sensible to assess each attack carefully and systematically. [ABSTRACT FROM AUTHOR]

Introduction: Hypnic headache (HH) is a primary headache, and it is considered a rare condition in children. The underlying mechanisms of HH are not yet fully understood. This systematic review aims to provide a comprehensive description of the clinical features of all published cases of pediatric HH. It will also discuss the differences in headache features between children and adults, the increased diagnostic sensitivity of the new diagnostic criteria (ICHD-3), potential pathophysiological hypotheses explaining the higher incidence in adults, differential diagnoses, and therapeutic options for children. Methods: A systematic search was conducted to identify and analyze articles reporting cases of HH in patients under the age of 18. The search was performed in major medical databases including Cochrane Library, EBSCO, Embase, Medline, PubMed, Science Direct, Scopus, and Web of Science. The search covered the period from 1988 to April 2023. Relevant studies were screened for eligibility, and data extraction was performed using a standardized approach. Results: Seven children with HH were included in the analysis. The mean age of onset for headache attacks was 10 ± 4.3 years (range 3-15 years). The average time from the start of headaches to diagnosis was 15.8 ± 25.0 months (range 1-60 months). Headache features in children differed from those observed in adult HH patients. Children experienced throbbing/pulsating pain, while adults reported dull/pressure-like pain. Children also had lower frequency and shorter duration of attacks compared to adults. The use of ICHD-3 criteria appeared to be more sensitive and inclusive for diagnosing HH in children compared to the previous ICHD-2 criteria. The association of headache attacks with sleep suggests that HH may be a primary disorder with a chronobiological origin. Hypothalamic dysfunction and melatonin dysregulation, which are more prevalent in older individuals, could potentially explain the higher incidence of HH in adults. Other primary headaches and secondary causes should be ruled out. Melatonin prophylactic therapy may be considered for pediatric patients. Discussion: Further evaluation of the clinical features of HH in children is needed. The development of specific diagnostic criteria for pediatric cases could improve diagnostic rates and enhance the management of children with HH. [ABSTRACT FROM AUTHOR]

Simple Summary: [18F]Fluorodeoxyglucose ([18F]FDG) positron emission tomography (PET) provides information about metabolic patterns of different diseases and conditions. This study aimed to prospectively evaluate patients with breast cancer in order to describe specific brain metabolic patterns related to the presence or absence of primary forms of headache, namely tension-type headache (TTH) and migraine (MiG). Moreover, we explored the association between primary headache forms and BC response to neoadjuvant chemotherapy (NAC). We observed a high rate of headache in the 46 BC analyzed patients. TTH patients exhibited areas of hypometabolism in specific brain regions before NAC. Moreover, our results suggest an association between primary headache, especially MiG, and treatment response to NAC. Collectively, our results support the hypothesis of a complex and dynamic interplay among BC, headache, and hormonal status. This study aimed to examine brain metabolic patterns on [18F]Fluorodeoxyglucose ([18F]FDG) positron emission tomography (PET) in breast cancer (BC), comparing patients with tension-type headache (TTH), migraine (MiG), and those without headache. Further association with BC response to neoadjuvant chemotherapy (NAC) was explored. In this prospective study, BC patients eligible for NAC performed total-body [18F]FDG PET/CT with a dedicated brain scan. A voxel-wise analysis (two-sample t-test) and a multiple regression model were used to compare brain metabolic patterns among TTH, MiG, and no-headache patients and to correlate them with clinical covariates. A single-subject analysis compared each patient's brain uptake before and after NAC with a healthy control group. Primary headache was diagnosed in 39/46 of BC patients (39% TTH and 46% MiG). TTH patients exhibited hypometabolism in specific brain regions before NAC. TTH patients with a pathological complete response (pCR) to NAC showed hypermetabolic brain regions in the anterior medial frontal cortex. The correlation between tumor uptake and brain metabolism varied before and after NAC, suggesting an inverse relationship. Additionally, the single-subject analysis revealed that hypometabolic brain regions were not present after NAC. Primary headache, especially MiG, was associated with a better response to NAC. These findings suggest complex interactions between BC, headache, and hormonal status, warranting further investigation in larger prospective cohorts. [ABSTRACT FROM AUTHOR]

Headache is one of the common symptoms found in nervous system disorders. The incidence of headache in the world in adult humans is 50% in the population with various headache categories. Previous research has shown that there is a relationship between smartphone use and musculoskeletal disorders in the neck, shoulders and hands in young adults. One of the groups involved in the use of smart phones is students. Objective: The purpose of this study was to determine the relationship between the use of smart phones and other factors that cause primary headaches, with the incidence of primary headaches in medical students of Untan. Methods: Observational analytic study of cross-sectional type. The research population is the students of the Untan Medical Study Program, who were selected using a side stratified random technique. Bivariate analysis using contingency coefficient test. Results: The results of the contingency coefficient analysis test showed a p-value of 0.038 (Sig 0.05 for the relationship between all other factors and primary headaches. Conclusion: There is a relationship between the intensity of smartphone use on primary headaches in Untan medical students.

Aims: Headache is a common presenting complaint of ophthalmic patients, but it is also a symptom of a wide range of systemic problems some of which are life threatening while others benign. This study aimed to detect the common ocular causes of headache in patients visiting the eye outpatient department (OPD). Settings and Design: This was a cross-sectional, observational study of one year duration conducted in a tertiary care center. Materials and Methods: Demographic data and a detailed history was collected from 395 patients complaining of headache and attending the eye OPD, followed by a detailed ocular examination including visual acuity, refraction, intraocular pressure, slit-lamp examination, and fundus. Statistical Analysis: The data was analyzed using the Statistical Package for the Social Sciences (SPSS) software version 21. Frequencies and percentages were calculated. A P value of

Primary headache disorders (PHD), specifically migraine, are strongly associated with temporomandibular disorders (TMD), sharing some patterns of orofacial pain. Both disorders have significant genetic contributions already studied. PRISMA guidelines were followed to conduct this systematic review, which comprehensively summarize and discuss the genetic overlap between TMD and PHD to aid future research in potential therapy targets. This review included eight original articles published between 2015 and 2020, written in English and related to either TMD and/or PHD. The genes simultaneously assessed in PHD and TMD studies were COMT, MTHFR, and ESR1. COMT was proved to play a critical role in TMD pathogenesis, as all studies have concluded about its impact on the occurrence of the disease, although no association with PHD was found. No proof on the impact of MTHFR gene regulation on either TMD or PHD was found. The most robust results are concerning the ESR1 gene, which is present in the genetic profile of both clinical conditions. This novel systematic review highlights not only the need for a clear understanding of the role of ESR1 and COMT genes in pain pathogenesis, but it also evaluates their potential as a promising therapeutic target to treat both pathologies.

Neck pain (NP) is a prevalent symptom among migraine patients, but its disability on headache impact and the contributing factors for comorbid NP are poorly understood. This study aimed to investigate NP disability on the impact of headaches among migraineurs and factors linked to comorbid NP, including sleep-related variables. This cross-sectional study was conducted at a university hospital headache center, for headache patients at their first visits. Included in the study were 295 patients with migraines (217 females; 39.0  ±  10.8 years; 101 chronic migraine). Information on NP, history of physician-diagnosed cervical spine or disc disorders, detailed parameters of headache, and sleep and mood variables were collected. Logistic analysis of the severe impact of headache and contributing factors for NP were performed. NP was present in 153 participants (51.9%) with migraine, with high NP disability observed in 28 patients, and 125 patients had low NP disability. In multivariable analysis, NP disability, medication days per month, severe disability of migraine, and excessive daytime sleepiness were significant predictors for severe impact of headache. Thirty-seven patients with physician-diagnosed cervical spine or disc disorders were excluded from the NP analysis. Higher monthly headache days, female gender, and a high likelihood of obstructive sleep apnea were positively correlated with the presence of NP among migraineurs in multivariable analysis. Overall, the study highlights the potential impact of sleep-related variables and monthly headache days on NP in these patients. The high disability of NP was also associated with severe impact of headache. [ABSTRACT FROM AUTHOR]

Primary headaches are a common debilitating health condition. Proper diagnosis and treatment depend on patients' communication. We wanted to explore differences in pain communication with a special interest in potential sex differences. Patients visiting our headache unit for the first time filled in two different questionnaires (one before entering the consultation and one directly after finishing the consultation), through which we captured patients' descriptions of their pain, its potential impact on daily lives, the well-being of our patients and the satisfaction with our consultation. We included a total of 35 patients (22 female, 13 male). Women reported experiencing a greater loss of socially active days during the last 3 months because of headaches compared to men. Furthermore, women were more satisfied with our consultation. In addition, we revealed migraineurs characterize their pain differently than stated in the International Classification of Headache Disorders (ICHD-3) criteria. The adjective "pressing" (drückend) was used significantly more often by migraineurs compared to patients with tension-type headaches. Nevertheless, in the physicians' written report, the characterization more often contained the ICHD-3 corresponding adjective "pulsating" (pulsierend). Since the typification of headaches and subsequent therapy depends predominantly on the patients' communication, consideration of the individual pain description and further research on headache characterization are indispensable. [ABSTRACT FROM AUTHOR]

IntroductionHypnic headache (HH) is a primary headache, and it is considered a rare condition in children. The underlying mechanisms of HH are not yet fully understood. This systematic review aims to provide a comprehensive description of the clinical features of all published cases of pediatric HH. It will also discuss the differences in headache features between children and adults, the increased diagnostic sensitivity of the new diagnostic criteria (ICHD-3), potential pathophysiological hypotheses explaining the higher incidence in adults, differential diagnoses, and therapeutic options for children.MethodsA systematic search was conducted to identify and analyze articles reporting cases of HH in patients under the age of 18. The search was performed in major medical databases including Cochrane Library, EBSCO, Embase, Medline, PubMed, Science Direct, Scopus, and Web of Science. The search covered the period from 1988 to April 2023. Relevant studies were screened for eligibility, and data extraction was performed using a standardized approach.ResultsSeven children with HH were included in the analysis. The mean age of onset for headache attacks was 10 ± 4.3 years (range 3–15 years). The average time from the start of headaches to diagnosis was 15.8 ± 25.0 months (range 1–60 months). Headache features in children differed from those observed in adult HH patients. Children experienced throbbing/pulsating pain, while adults reported dull/pressure-like pain. Children also had lower frequency and shorter duration of attacks compared to adults. The use of ICHD-3 criteria appeared to be more sensitive and inclusive for diagnosing HH in children compared to the previous ICHD-2 criteria. The association of headache attacks with sleep suggests that HH may be a primary disorder with a chronobiological origin. Hypothalamic dysfunction and melatonin dysregulation, which are more prevalent in older individuals, could potentially explain the higher incidence of HH in adults. Other primary headaches and secondary causes should be ruled out. Melatonin prophylactic therapy may be considered for pediatric patients.DiscussionFurther evaluation of the clinical features of HH in children is needed. The development of specific diagnostic criteria for pediatric cases could improve diagnostic rates and enhance the management of children with HH.

BackgroundThe coronavirus disease (COVID-19) pandemic has resulted in individual isolation and secondary problems, especially in children. Research on the effect of the social isolation on children with primary headache is limited. This study aimed at exploring the effects of environmental changes caused by COVID-19 on headache in children.MethodsThis cross-sectional survey study enrolled school-aged children (age, 8–16 years) with headache who were able to complete the questionnaire from a Pediatric Headache Clinic between January 2021 and December 2022. Headache diaries for all patients were in their medical records and two questionnaire responses were requested at a 3-month interval. The questionnaires included headache type, frequency, previous medical conditions, family history, Pediatric Migraine Disability Assessment scores (PedMIDAS) scores, changes in daily life after COVID-19, and factors that aggravated headaches associated with social distancing.ResultsWe identified 35 patients who were diagnosed with primary headache and continued to visit our outpatient clinic for at least 3 months. Among them, 33 (15 males and 18 females) patients responded to the first survey. The average age (±SD) of patients was 12.5 ± 1.9 years. PedMIDAS scores were not affected by the COVID-19 infection history. Prolonged use of masks and increased use of digital devices were reported as the most common factors that aggravated headache during the pandemic era.ConclusionCOVID-19 did not affect in worsening primary headache in children. However, the pandemic can introduce various changes in daily life, which in turn can affect the management of headache. By gathering feedback regarding the thoughts of the patients on the impact of the current pandemic environment, patient counseling on the precautions and management can be conducted in advance in the case of repeated lockdown in the future.

Migraine, recognized as a severe headache disorder, is widely prevalent, significantly impacting the quality of life for those affected. This article aims to provide a comprehensive review of the application of animal model technologies in unraveling the pathomechanism of migraine and developing more effective therapies. It introduces a variety of animal experimental models used in migraine research, emphasizing their versatility and importance in simulating various aspects of the condition. It details the benefits arising from the utilization of these models, emphasizing their role in elucidating pain mechanisms, clarifying trigeminal activation, as well as replicating migraine symptoms and histological changes. In addition, the article consciously acknowledges the inherent limitations and challenges associated with the application of animal experimental models. Recognizing these constraints is a fundamental step toward fine-tuning and optimizing the models for a more accurate reflection of and translatability to the human environment. Overall, a detailed and comprehensive understanding of migraine animal models is crucial for navigating the complexity of the disease. These findings not only provide a deeper insight into the multifaceted nature of migraine but also serve as a foundation for developing effective therapeutic strategies that specifically address the unique challenges arising from migraine pathology.

In pediatric neurology, tension-type headache (TTH) represents a very common type of primary headache during the pediatric age. Despite the high prevalence of TTH, this diagnosis is often underestimated in childhood, with relevant difficulties in the differential diagnosis of TTH from secondary and primary headache manifestations. Even among primary headaches, a clinical overlap is not so infrequent in children: migraine attacks could present tension headache-like features while tension-type headaches may display migraine-like symptoms as well. Several variables play a role in the complex trajectory of headache evolution, such as hormonal changes during adolescence, triggers and genetic and epigenetic factors. The trajectories and outcomes of juvenile migraine and TTH, as well as the transition of one form to the other, have been investigated in several long-term prospective studies. Thus, the aim of this paper is to review the current literature on the differential diagnosis workout of TTH in pediatrics, the possible outcomes during the developmental age and the appropriate therapeutic strategies. Indeed, TTH represents a challenging diagnostic entity in pediatrics, both from a clinical and a therapeutic point of view, in which early diagnosis and appropriate treatment are recommended. [ABSTRACT FROM AUTHOR]

Patients with cluster headache often report a long diagnostic delay. This study creates and validates a screening test that could help speed up the diagnostic process. We invited patients to enrol in this diagnostic case-control study if a trigeminal autonomic headache had been suspected or confirmed. Patients in whom the diagnosis of a cluster headache was not made were controls. First, all participants answered 22 diagnostic questions with "yes" or "no". Next, we eliminated questions that did not distinguish well between the groups. Then, the variables entered a regression model with the headache diagnosis as the dependent variable. Finally, we combined the remaining variables into a diagnostic scale and tested its accuracy. Seventy-four patients participated, 45 of whom suffered from a cluster headache. The analyses identified five questions distinguishing cluster headache patients and controls. These addressed smoking, being awakened by the pain, restlessness during the attack, unilateral tearing, and duration of the attack (hence, the "SMARTED" scale). The area under the ROC curve was 0.938; sensitivity and specificity, the positive and negative predictive values were 98%, 65%, 81% and 94%, respectively. The SMARTED scale validly and accurately screens for cluster headache in patients suspected of a trigeminal autonomic headache. [ABSTRACT FROM AUTHOR]

Objective: Brain-derived neurotrophic factor (BDNF) is associated with the pathophysiology of primary headaches. The present study aimed to investigate interictal and ictal BDNF levels and its association with clinical parameters in patients with primary headaches. Methods: Three groups of headache patients enrolled in this study: patients with episodic migraine with and without aura, cluster headaches, and tension-type headaches according to the current criteria of the International Headache Society. In migraine patients and cluster headache patients, venous blood samples were collected twice: outside and during attacks. In patients with tension-type headaches and healthy controls, one single blood sample was taken. The research comprised 120 patients (males and females) suffering from primary headaches. The control group consisted of 30 healthy volunteers. Results: This is the first study to show that there is no gender difference BDNF levels in Uzbek patients with primary headaches. Migraine and cluster headache patients revealed significantly higher BDNF serum levels during headache attacks compared with attack-free periods (p < 0.02). Conclusion: This reinforces the view that BDNF may be implicated in the pathophysiology of primary headaches. [ABSTRACT FROM AUTHOR]

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Migraine has a relevant impact on pediatric health. Non-pharmacological modalities for its management are urgently needed. This study assessed the safety, feasibility, acceptance, and efficacy of repetitive neuromuscular magnetic stimulation (rNMS) in pediatric migraine. A total of 13 patients with migraine, ≥6 headache days during baseline, and ≥1 myofascial trigger point in the upper trapezius muscles (UTM) received six rNMS sessions within 3 weeks. Headache frequency, intensity, and medication intake were monitored using headache calendars; headache-related impairment and quality of life were measured using PedMIDAS and KINDL questionnaires. Muscular involvement was assessed using pressure pain thresholds (PPT). Adherence yielded 100%. In 82% of all rNMS sessions, no side effects occurred. All participants would recommend rNMS and would repeat it. Headache frequency, medication intake, and PedMIDAS scores decreased from baseline to follow-up (FU), trending towards statistical significance (p = 0.089; p = 0.081, p = 0.055). A total of 7 patients were classified as responders, with a ≥25% relative reduction in headache frequency. PPT above the UTM significantly increased from pre- to post-assessment, which sustained until FU (p = 0.015 and 0.026, respectively). rNMS was safe, feasible, well-accepted, and beneficial on the muscular level. The potential to reduce headache-related symptoms together with PPT changes of the targeted UTM may underscore the interplay of peripheral and central mechanisms conceptualized within the trigemino-cervical complex.

ObjectiveHeadache prevalence among children and adolescents has increased over the last few years. Evidence-based treatment options for pediatric headaches remain limited. Research suggests a positive influence of odors on pain and mood. We investigated the effect of repeated exposure to odors on pain perception, headache-related disability, and olfactory function in children and adolescents with primary headaches.MethodsEighty patients with migraine or tension-type headache (mean 13.1 ± 3.29 years) participated, of whom 40 underwent daily olfactory training with individually selected pleasant odors for 3 months and 40 received state-of-the-art outpatient therapy as a control group. At baseline and after a 3-month follow-up, olfactory function [odor threshold; odor discrimination; odor identification; comprehensive Threshold, Discrimination, Identification (TDI) score], mechanical detection and pain threshold (quantitative sensory testing), electrical pain threshold, patient-reported outcomes on headache-related disability [Pediatric Migraine Disability Assessment (PedMIDAS)], pain disability [Pediatric Pain Disability Index (P-PDI)], and headache frequency were assessed.ResultsTraining with odors significantly increased the electrical pain threshold compared to the control group (U = 470.000; z = −3.177; p = 0.001). Additionally, olfactory training significantly increased the olfactory function (TDI score [t(39) = −2.851; p = 0.007], in particular, olfactory threshold, compared to controls (U = 530.500; z = −2.647; p = 0.008). Headache frequency, PedMIDAS, and P-PDI decreased significantly in both groups without a group difference.ConclusionsExposure to odors has a positive effect on olfactory function and pain threshold in children and adolescents with primary headaches. Increased electrical pain thresholds might reduce sensitization for pain in patients with frequent headaches. The additional favorable effect on headache disability without relevant side effects underlines the potential of olfactory training as valuable nonpharmacological therapy in pediatric headaches.

A migraine is a neurological condition that can cause multiple symptoms. It is up to three times more common in women than men, thus, estrogen may play an important role in the appearance attacks. Its exact pathomechanism is still unknown; however, the activation and sensitization of the trigeminal system play an essential role. We aimed to use an animal model, which would better illustrate the process of repeated episodic migraine attacks to reveal possible new mechanisms of trigeminal pain chronification. Twenty male (M) and forty ovariectomized (OVX) female adult rats were used for our experiment. Male rats were divided into two groups (M + SIF, M + IS), while female rats were divided into four groups (OVX + SIF, OVX + IS, OVX + E2 + SIF, OVX + E2 + IS); half of the female rats received capsules filled with cholesterol (OVX + SIF, OVX + IS), while the other half received a 1:1 mixture of cholesterol and 17β-estradiol (OVX + E2 + SIF, OVX + E2 + IS). The animals received synthetic interstitial fluid (SIF) (M + SIF, OVX + SIF, OVX + E2 + SIF) or inflammatory soup (IS) (M + IS, OVX + IS, OVX + E2 + IS) treatment on the dural surface through a cannula for three consecutive days each week (12 times in total). Behavior tests and immunostainings were performed. After IS application, a significant decrease was observed in the pain threshold in the M + IS (0.001 < p < 0.5), OVX + IS (0.01 < p < 0.05), and OVX + E2 + IS (0.001 < p < 0.05) groups compared to the control groups (M + SIF; OVX + SIF, OVX + E2 + SIF). The locomotor activity of the rats was lower in the IS treated groups (M + IS, 0.01 < p < 0.05; OVX + IS, p < 0.05; OVX + E2 + IS, 0.001 < p < 0.05), and these animals spent more time in the dark room (M + IS, p < 0.05; OVX + IS, 0.01 < p < 0.05; OVX + E2 + IS, 0.001 < p < 0.01). We found a significant difference between M + IS and OVX + E2 + IS groups (p < 0.05) in the behavior tests. Furthermore, IS increased the area covered by calcitonin gene-related peptide (CGRP) immunoreactive (IR) fibers (M + IS, p < 0.01; OVX + IS, p < 0.01; OVX + E2 + IS, p < 0.001) and the number of neuronal nitric oxide synthase (nNOS) IR cells (M + IS, 0.001< p < 0.05; OVX + IS, 0.01 < p < 0.05; OVX + E2 + IS, 0.001 < p < 0.05) in the caudal trigeminal nucleus (TNC). There was no difference between M + IS and OVX + IS groups; however, the area was covered by CGRP IR fibers (0.01 < p < 0.05) and the number of nNOS IR cells was significantly higher in the OVX + E2 + IS (p < 0.05) group than the other two IS- (M + IS, OVX + IS) treated animals. Overall, repeated administration of IS triggers activation and sensitization processes and develops nociceptive behavior changes. CGRP and nNOS levels increased significantly in the TNC after IS treatments, and moreover, pain thresholds and locomotor activity decreased with the development of photophobia. In our model, stable high estradiol levels proved to be pronociceptive. Thus, repeated trigeminal activation causes marked behavioral changes, which is more prominent in rats treated with estradiol, also reflected by the expression of the sensitization markers of the trigeminal system. [ABSTRACT FROM AUTHOR]

Objective: We investigated whether telephone follow‐up consultations could lead to appropriate adjustment of treatments and a higher degree of patient satisfaction among patients with migraine and tension‐type headache (TTH). Background: Migraine and TTH are disabling headache forms requiring optimized treatment. Methods: In a prospective, non‐randomized, quality control study with controls comparing telephone‐interview intervention (TeII) with business‐as‐usual (BAU) treatment, we included newly referred patients with migraine and/or TTH. The TeII group was contacted by telephone by healthcare professionals at 8 and 16 weeks after the first visit addressing headache treatment. Electronic questionnaires were sent to all participants before the first visit and after 6 months. Predefined outcomes were number of patients with change in preventive and acute medication; change in headache frequency; migraine frequency; scores from the eight‐item Headache Under‐Response to Treatment (HURT‐8) questionnaire, Insomnia Severity Index (ISI), and Hospital Anxiety and Depression Scale (HADS); and patient satisfaction after 6 months. Results: From May 2020 to April 2021, there were 230 patients enrolled in the TeII program, whereof 96 patients were included in the analysis. For the BAU group, 91 patients with similar sex and age distribution were identified via medical‐record reviews in the same period. More patients in the TeII group than in the BAU group had a change in acute medication (27/96 [28%] vs. five of 91 [6%], p < 0.001) and preventive medication (28/96 [29%] vs. 12/91 [13%], p = 0.006). Headache days per month decreased in the TeII group (−4.6, 95% confidence interval [CI] −6.5 to −2.7; p = 0.001) and the BAU group (−2.5, 95% CI −4.6 to −0.4; p = 0.018), without significant difference between the groups (p = 0.080). There was no difference in migraine frequency between the groups (TeII: 1.0 day, 95% CI, −1.3 to 1.0; BAU: 1.0 day, 95% CI, −2.5 to 0.5; p = 0.718) or HURT‐8 score (TeII: 10.5, 95% CI 9.5–11.5; BAU: 13.0, 95% CI 11.7–14.2; p = 0.053). There were no changes in the ISI score (TeII: 1.0, interquartile range [IQR] 6; p = 0.152; BAU: 0.5, IQR 4.5; p = 0.824), HADS‐Anxiety score (TeII: −5, IQR 5.3; p = 0.186; BAU: 1.0, IQR 4.0; p = 0.445), or HADS‐Depression score (TeII: 0.0, IQR 3.0; p = 0.163; BAU: 0.0, IQR 2.0; p = 0.303) in any of the groups. There was a higher degree of patient satisfaction in the TeII group compared with the BAU group in treatment (median [IQR] score 4 [3–5] vs. 3 [3–4], p < 0.001), headache improvement (median [IQR] 3 [2–4] vs. 2 [1–3], p = 0.002), the headache program (median [IQR] 4 [3–5] vs. 3 [3–4], p < 0.001), and information (median [IQR] 4 [3–5] vs. 3 [3–4], p = 0.005). Conclusion: Patients with migraine and/or TTH benefit from a telephone follow‐up approach within the first 6 months of their treatment course in terms of more efficient treatment and higher patient satisfaction. [ABSTRACT FROM AUTHOR]

Primary headache disorders (PHD), specifically migraine, are strongly associated with temporomandibular disorders (TMD), sharing some patterns of orofacial pain. Both disorders have significant genetic contributions already studied. PRISMA guidelines were followed to conduct this systematic review, which comprehensively summarize and discuss the genetic overlap between TMD and PHD to aid future research in potential therapy targets. This review included eight original articles published between 2015 and 2020, written in English and related to either TMD and/or PHD. The genes simultaneously assessed in PHD and TMD studies were COMT, MTHFR, and ESR1. COMT was proved to play a critical role in TMD pathogenesis, as all studies have concluded about its impact on the occurrence of the disease, although no association with PHD was found. No proof on the impact of MTHFR gene regulation on either TMD or PHD was found. The most robust results are concerning the ESR1 gene, which is present in the genetic profile of both clinical conditions. This novel systematic review highlights not only the need for a clear understanding of the role of ESR1 and COMT genes in pain pathogenesis, but it also evaluates their potential as a promising therapeutic target to treat both pathologies. [ABSTRACT FROM AUTHOR]

Purpose: Peripheral nerve blocks have long been used in headache treatment and greater occipital nerve (GON) blocks are the most frequently preferred peripheral nerve blocks in patients with headaches in the past years. In this study, the efficacy of GON blocks in patients with primary headache disorders was evaluated. Materials and Methods: This retrospective cohort study was undertaken in April 2021 and April 2022. One hundred twenty-one patients with primary headache disorders were included. Changes in the duration and frequency of headache attacks, pain severity, and type of oral medication before and after the injection treatment during the first and third months of follow-up were evaluated. Results: The number of headache attacks decreased from 13 to 5 and the visual analogue scale(VAS) score decreased from 9 to 5 at the end of the third month in the migraine group. Similarly, the number of headache attacks decreased from 17 to 7 and the VAS score decreased from 8 to 4 in tension-type headache (TTH) group. Improvements in all parameters were found to be statistically significant in both groups. Conclusion: GON block is a low-cost, rapid and minimally invasive treatment, and our data support that this method can be an effective treatment option in patients with migraine and TTH who are resistant to oral medication by reducing the number, frequency and severity of headache attacks. In conclusion, GON blockade should be considered by clinicians as a primary treatment option in patients with migraine and TTH resistant to oral medication. [ABSTRACT FROM AUTHOR]

Introduction: Cluster headache is rare in children and only a few clinical studies have systematically evaluated cluster headache in children. Methods: This study was conducted between August 2019 and December 2021 with the primary aim to evaluate the feasibility and utility of the Cluster Headache Severity Scale in determining the severity of cluster headache in patients aged less than 18 years and monitoring response to prescribed treatment. Secondary objectives were to evaluate the feasibility and utility of Cluster Headache Quality of Life, Cluster Headache Index, and 6-item Headache Impact Test in pediatric cluster headache patients to assess the quality of life, severity, and impact of cluster headache. Results: A total of 32 children (age of onset 11.9 ± 2.3 years, age of diagnosis 13.7 ± 2.4 years, 68% boys) were enrolled. Although 30 cases had their headache episodes occurring during nighttime, only 16 children had a Children's Sleep Habits Questionnaire (CSHQ) score >41 at baseline. All children responded to prednisolone as bridging therapy and 23 of 32 showed adequate pain relief after sumatriptan nasal spray for an acute attack. The average time taken for completion of Cluster Headache Index, Cluster Headache Severity Scale, Cluster Headache Quality of Life, and Headache Impact Test–6 scores were 5.2 ± 0.7, 5.1 ± 0.8, 27.4 ± 3.5, and 6.2 ± 0.8 minutes, respectively. The interrater reliability was good for Cluster Headache Severity Scale, Cluster Headache Quality of Life, and Headache Impact Test–6 (Cronbach α 0.93, 0.81, and 0.89, respectively). There was a strong positive correlation between the Cluster Headache Severity Scale score with Headache Impact Test–6 score and Cluster Headache Quality of Life score (correlation coefficient r = 0.90 and 0.98). Conclusion: Majority of pediatric cluster headache patients are likely to respond to prednisolone and sumatriptan. Cluster Headache Severity Scale, Cluster Headache Quality of Life, and Headache Impact Test–6 can be used for pediatric cluster headache patients for treatment monitoring. [ABSTRACT FROM AUTHOR]