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Aim: Little is known about short-lasting unilateral neuralgiform headache attacks with conjunctival injection and tearing (SUNCT) and short-lasting unilateral neuralgiform headache attacks with cranial autonomic symptoms (SUNA). We present our experience with SUNCT/SUNA patients to aid identification and management of these disorders., Methods: A retrospective review of patient records of one orofacial pain clinic was performed. Inclusion criteria was a diagnosis of SUNCT/SUNA confirmed with at least one follow-up visit., Results: Six of the 2464 new patients seen between 2015-2018 met the selection criteria (SUNCT n = 2, SUNA n = 4). Gender distribution was one male to one female and average age of diagnosis was 52 years (range 26-62). Attacks were located in the V1/V2 trigeminal distributions, and five patients reported associated intraoral pain. Pain quality was sharp, shooting, and burning with two patients reporting "numbness". Pain was moderate-severe in intensity, with daily episodes that typically lasted for seconds. Common autonomic features were lacrimation, conjunctival injection, rhinorrhea, and flushing. Frequent triggers were touching the nose or a specific intraoral area. Lamotrigine and gabapentin were commonly used as initial therapy., Conclusions: Differentiating between SUNCT/SUNA does not appear to be clinically relevant. Presenting symptoms were consistent with those published, except 5/6 patients describing intraoral pain and two patients describing paresthesia.

While pain chronicity in general has been defined as pain lasting for more than 3 months, this definition is not useful in orofacial pain (OFP) and headache (HA). Instead, chronicity in OFP and HA is defined as pain occurring on more than 15 days per month and lasting for more than 4 h daily for at least the last 3 months. This definition excludes the periodic shortlasting pains that often recur in the face and head, but are not essentially chronic. Although the headache field has adopted this definition, chronic orofacial pain is still poorly defined. In this article, we discuss current thinking of chronicity in pain and examine the term 'chronic orofacial pain' (COFP). We discuss the entities that make up COFP and analyze the term's usefulness in clinical practice and epidemiology.

Objective : The purpose of this study was to investigate the decision-making processes of physical therapists relating to evaluation and categorization of patients with headaches, including consistency with criteria proposed by the International Headache Society (IHS). Methods : A national online survey was distributed in cooperation with the Academy of Orthopaedic Physical Therapy of the American Physical Therapy Association. Three hypothetical patient case vignettes featuring headache disorders were used as assessment instruments. Additionally, data on physical therapist education, clinical experience, manual therapy training, self-efficacy, and familiarity & consistency with IHS criteria were collected. Physical therapist identification and valuation of clinical features of headache disorders were also examined in the decision-making processes. Results : Among the 384 respondents, 32.3% classified the tension-type headache case consistent with IHS criteria. The cervicogenic and migraine headache cases were classified at 54.8% and 41.7% consistent with IHS categories, respectively. Experienced clinicians and those with formal manual training categorized patient presentations with greater consistency. Clinician familiarity with IHS classification criteria was low with 73.6% collectively somewhat and not familiar, while 26.4% of physical therapists were self-described as very or moderately familiar. Discussion : Clinicians' headache categorization was significantly affected by symptom misattribution and weighting of individual examination findings. Weighting by practitioners of clinical features varied markedly with greatest emphasis being placed on detailed manual examination procedures, including passive intervertebral movements. Inconsistencies in valuation of clinical features in headache categorization suggest a need for further formal education in physical therapy educational curricula and in post-graduate education, including of IHS criteria and classification. Level of Evidence : 2a.

Background or Aim: Despite guidelines and the International Classification of Headache Disorders (ICHD-III beta) criteria, the diagnosis of common chronic headache disorders can be challenging for non-expert clinicians. The aim of the review was to identify headache classification tools that could be used by a non-expert clinician to classify common chronic disorders in primary care., Methods: We conducted a systematic literature review of studies validating diagnostic and classification headache tools published between Jan 1988 and June 2016 from key databases: MEDLINE, ASSIA, Embase, Web of Knowledge and PsycINFO. Quality assessment was assessed using items of the Quality of Diagnostic Accuracy Studies (QUADAS-2)., Results: The search identified 38 papers reporting the validation of 30 tools designed to diagnose, classify or screen for headache disorders; nine for multiple headache types, and 21 for one headache type only. We did not identify a tool validated in a primary care that can be used by a non-expert clinician to classify common chronic headache disorders and screen for primary headaches other than migraine and tension-type headache in primary care., Conclusions: Despite the availability of many headache classification tools we propose the need for a tool that could support primary care clinicians in diagnosing and managing chronic headache disorders within primary care, and allow more targeted referral to headache specialists.

Cardiac cephalalgia is a migraine-like headache that occurs during episodes of myocardial ischaemia. Clinical characteristics of the headache vary widely but are often severe in intensity, worsen with reduced myocardial perfusion and resolve with reperfusion. It can present along with typical symptoms of angina pectoris, although not always. We present a 64-year-old man with a 6-month history of severe, non-exertional headaches occurring with increasing frequency. A resting ECG showed ST elevation in the inferior leads. His serum troponin I was not elevated. Coronary angiography showed severe stenosis of his right coronary artery, which was successfully stented by percutaneous coronary intervention. He remains headache free at 2-year follow-up., Competing Interests: Competing interests: None declared., (© Author(s) (or their employer(s)) 2019. No commercial re-use. See rights and permissions. Published by BMJ.)

Background: Self-management support programmes are effective in a range of chronic conditions however there is limited evidence for their use in the treatment of chronic headaches. The aim of this study was to test the feasibility of four key aspects of a planned, future evaluative trial of a new education and self-management intervention for people with chronic headache: 1) recruiting people with chronic headache from primary care; 2) a telephone interview for the classification of chronic headaches; 3) the education and self-management intervention itself; and 4) the most appropriate patient reported outcomes (PROMS)., Methods: Participants were identified and recruited from general practices in the West Midlands of the UK. We developed a nurse-led chronic headache classification interview and assessed agreement with an interview with headache specialists. We developed and tested a group based education and self-management intervention to assess training and delivery receipt using observation, facilitator, and participant feedback. We explored the acceptability and relevance of PROMs using postal questionnaires, interviews and a smartphone app., Results: Fourteen practices took part in the study and participant recruitment equated to 1.0/1000 registered patients. Challenges to recruitment were identified. We did 107 paired headache classification interviews. The level of agreement between nurse and doctor interviews was very good. We piloted the intervention in four groups with 18 participants. Qualitative feedback from participants and facilitators helped refine the intervention including shortening the overall intervention and increasing the facilitator training time. Participants completed 131 baseline questionnaires, measurement data quality, reliability and validity for headache-specific and generic measures was acceptable., Conclusion: This study indicated that recruiting people with chronic headache from primary care is feasible but challenging, our headache classification interview is fit for purpose, our study intervention is viable, and that our choice of outcome measures is acceptable to participants in a future randomised controlled trial (RCT)., Trial Registration: ISRCTN, ISRCTN79708100. Registered 16th December 2015, http://www.isrctn.com/ISRCTN79708100.

Background: For a trial of supportive self-management for people with chronic headache we needed to develop and validate a telephone classification interview that can be used by a non-headache specialist to classify common chronic headache types in primary care. We aimed to specifically: exclude secondary headaches other than medication overuse, exclude primary headache disorders other than migraine and tension type headache (TTH), distinguish between chronic migraine and chronic TTH, and identify medication overuse headache., Methods: We held a headache classification consensus conference to draw on evidence and expertise to inform the content of a logic model underpinning the classification interview. Nurses trained to use the logic model did telephone classification interviews with participants recruited from primary care. Doctors specialising in headache did a second validation interview., Results: Twenty-six delegates attended the headache classification conference including headache specialist doctors, nurses and lay representatives (with chronic headache). We trained six nurses to do the classification interviews and completed 107 paired interviews, median days between interviews was 32 days (interquartile range 21-48 days). We measured level of agreement between the nurse and doctor interviews using proportion of concordance, simple kappa and prevalence-adjusted bias-adjusted kappa (PABAK). Proportion of concordance of agreement between nurse and doctor interviews was 0.76, simple kappa coefficient κ 0.31 (95% CI, 0.09 to 0.52), and PABAK 0.51 (95% CI, 0.35 to 0.68), a moderate agreement. In a sensitivity test following review of headache characteristics recorded, concordance was 0.91, κ = 0.53 (95% CI, 0.28 to 0.79), and PABAK = 0.81 (95% CI, 0.70 to 0.92), a very good agreement., Conclusion: We developed and validated a new evidence-based telephone classification interview that can be used by a non-headache specialist to classify common chronic headache types in primary care.

Introduction: Headache has a negative impact on health-related quality of life in young patients. We aim to analyse the characteristics of a series of young patients visiting a headache clinic and estimate the burden of different types of headaches listed by the International Classification of Headache Disorders (ICHD)., Methods: We prospectively recruited patients aged 14 to 25 years who were treated at our clinic during a period of 6.5 years. We recorded each patient's sex, complementary test results, and previous treatment. We subsequently compared the characteristics of our sample to those of patients older than 25., Results: During the study period, we treated 651 patients aged 14 to 25 years; 95.6% had received symptomatic treatment, and 30.1% had received preventive treatment. A total of 755 headaches were recorded. Only 80 were secondary headaches, most of which were included in Group 8; 77.2% were included in Group 1, 3.1% in Group 2, 1.2% in Group 3, 5% in Group 4, 0.6% in Group 13, and 0.9% in Group 14. According to Headache Impact Test (HIT-6) scores, headache had at least a moderate impact on the quality of life of 449 patients., Conclusion: Most headaches in young patients can be classified according to ICHD criteria. Migraine was the most frequent diagnosis in our sample. Although headache was commonly associated with a negative impact on quality of life, most patients had received little preventive treatment before being referred to our clinic., (Copyright © 2016 Sociedad Española de Neurología. Publicado por Elsevier España, S.L.U. All rights reserved.)

Purpose of Review: This review is intended to examine how the diagnostic criteria for migraine have evolved over the past 45 years and to evaluate the strengths and weaknesses of the current diagnostic criteria promulgated by the International Classification of Headache Disorders (ICHD)., Recent Findings: The ICHD is a comprehensive and systematic classification system for headache disorders. As the pathophysiology of migraine is more fully elucidated and more sophisticated diagnostic technologies are developed (e.g., the identification of biomarkers), the current diagnostic criteria for migraine will likely be further refined. The ICHD has allowed for more precise research study design in the field of headache medicine. The current diagnostic criteria for migraine outlined in the 3rd version of the ICHD are far more sensitive and specific than the clinical criteria proposed in 1962. In future iterations, dividing episodic and chronic migraine into subtypes based on frequency (i.e., low frequency vs high frequency; near-daily vs daily) potentially could assist in guiding clinical management. In addition, a better understanding of aura, vestibular migraine, migrainous infarction, and hemiplegic migraine likely will lead to more refined diagnostic criteria for those entities.

Background: Persistent post-stroke headache is a clinical entity that has recently entered the International Classification of Headache Disorders, 3rd edition. In contrast to acute headache attributed to stroke, the epidemiology, clinical features, potential pathophysiology, and management of persistent post-stroke headache have not been reviewed., Methods: We summarize the literature describing persistent headache attributed to stroke., Results: Persistent headache after ischemic or hemorrhagic stroke affects up to 23% of patients. These persistent headaches tend to have tension-type features and are more frequent and severe than acute stroke-related headaches. Risk factors include younger age, female sex, pre-existing headache disorder, and comorbid post-stroke fatigue or depression. Other factors including obstructive sleep apnea or musculoskeletal imbalances may contribute to headache persistence. Although more evidence is needed, it may be reasonable to treat persistent post-stroke headache according to headache semiology., Conclusion: Recognition of persistent post-stroke headache as a separate clinical entity from acute stroke-attributed headache is the first step toward better defining its natural history and most effective treatment strategies., (© 2018 American Headache Society.)

Purpose of Review: Unusual headache disorders are less commonly discussed and may be misdiagnosed. These headache disorders frequently have a benign natural history; however, without reassurance, therapeutic education, and treatment, they can negatively affect the health and function of patients., Recent Findings: This article reviews the clinical features, diagnosis, workup, and proposed treatments for several unusual headache disorders including primary cough headache, primary headache associated with sexual activity, primary exercise headache, cold-stimulus headache, primary stabbing headache, nummular headache, hypnic headache, and headache attributed to travel in space. Exploding head syndrome is also discussed, which is a sleep disorder commonly confused with a headache disorder., Summary: Unusual headache disorders are usually benign, yet without the correct diagnosis can be very worrisome for many patients. Through greater awareness of these headache disorders, neurologists can evaluate and effectively manage unusual headache disorders, which offers significant benefits to patients and practice satisfaction to neurologists.

Objective: To describe a new subtype of chronic daily headache in women of a specific age group., Methods: Case series., Results: Eight patients were included in the presented case series. The average age of onset of this distinct headache condition is 57 years. All patients were either perimenopausal or in menopause when the headaches started. The syndrome is marked by bilateral head pain that starts daily from onset and is typically at its most severe intensity the first thing in the morning before arising or when in the supine position. Immediate worsening in Trendelenburg appears to be an almost diagnostic test for the syndrome and occurred in all patients. The majority of the patients had a history of episodic migraine, but the migraines were either very well controlled or had ceased by the time the new headache arose. The bulk of the patients (6/8) were either overweight or obese, although two patients were of normal body mass index (BMI). Neuroimaging showed no abnormalities. All patients responded to cerebrospinal fluid (CSF) pressure-/volume-lowering medications (acetazolamide or spironolactone), but only one patient was able to completely taper off treatment without headache recurrence., Conclusion: This newly defined subtype of chronic daily headache appears to be caused by a state of elevated CSF pressure. It is hypothesized that a combination of an elevated BMI and the presence of cerebral venous insufficiency leads to this form of daily headache.

Headache, an almost universal human experience, is one of the most common complaints encountered in medicine and neurology. Described and categorized since antiquity, with the first classification by Aretaeus of Cappadocia, other classifications followed. The evaluation of this condition may be straightforward or challenging, and, though often benign, headache may prove to be an ominous symptom. This review discusses the current diagnosis and classification of headache disorders and principles of management, with a focus on migraine, tension-type headache, trigeminal autonomic cephalgias, and various types of daily headache., (Copyright © 2018 Elsevier Inc. All rights reserved.)

Background: The 2013 International Classification of Headache Disorders-3 was published in a beta version to allow clinicians to confirm the validity of the criteria or suggest improvements based on field studies. The aim of this work was to review the Secondary Headache Disorders and Cranial Neuralgias and Other Headache Disorders sections of ICHD-3 beta data on children and adolescents (age 0-18 years) and to suggest changes, additions, and amendments., Methods: Several experts in childhood headache across the world applied different aspects of ICHD-3 beta in their normal clinical practice. Based on their personal experience and the available literature on pediatric headache, they made observations and proposed suggestions for the mentioned headache disorders on children and adolescents., Results: Some headache disorders in children have specific features, which are different from adults that should be acknowledged and considered. Some features in children were found to be age-dependent: clinical characteristics, risks factors and etiologies have a strong bio psychosocial basis in children and adolescents making primary headache disorders in children distinct from those in adults., Conclusions: Several recommendations are presented in order to make ICHD-3 more appropriate for use in children.

Context The classification of headache disorders has improved over the years, but further work is needed to develop and improve headache diagnosis within headache subtypes. The present review is a call for action to implement laboratory tests in the classification and management of primary and some secondary headaches. Background In this narrative review we present and discuss published tests that might be useful in phenotyping and/or diagnosis of long-lasting headache disorders such as migraine, tension-type headache, trigeminal autonomic cephalalgias, trigeminal neuralgia and persisting secondary headaches. Aim The palpometer test, quantitative sensory testing, nociceptive blink reflex and autonomic tests may be valuable to phenotype and/or diagnose subforms of migraine, tension-type headache, cluster headache, trigeminal neuralgia and medication-overuse headache. Provocation tests with glyceryl trinitrate (GTN) and calcitonin gene-related peptide (CGRP) may be valuable in subclassification of migraine and cluster headache. Lumbar pressure monitoring and optical coherence tomography may valuable tools to diagnose and follow patients with chronic headache and raised intracranial pressure. Finding A number of laboratory tests in headache research are presently available, but have primarily been performed in single research studies or a few studies that differ in methods and patient groups. At present, there is no evidence-based strategy for implementing diagnostic tests, but this could be achieved if well-reputed tertiary headache centers commence developing and implementing laboratory tests in order to improve the classification and treatment of headache patients.

This article argues for extending the International Classification of Headache Disorders to include information that goes beyond diagnosis. The obvious model is a multiaxial system as has been developed for other taxonomies. An axis for recording disability and impact on functioning, and an axis for recording the triggers of headache/migraine, are perhaps the strongest contenders for adding to the system, but there are other possibilities such as lifestyle factors relevant to headache. Extensions such as these would contribute to headache management, provide clear targets for change, and encourage adoption of a biopsychosocial perspective., (© 2016 American Headache Society.)

Objectives: This study aimed to determine the characteristics and significance of a probable diagnostic entity for primary headache disorder (PHD)., Background: A diagnosis of probable primary headache disorder (PPHD) is given when a patient's headache fulfills all but one criteria of the third beta edition of the international classification of headache disorder (ICHD-3β). Despite the uncertainty regarding this diagnosis, the inclusion of a probable diagnosis entity in this manual may aid in the accurate classification of headache disorders and allow effective treatment strategies to be started at the patient's initial visit., Methods: This cross-sectional multicenter registry study assessed first-visit patients with complaints of headaches who presented at the outpatient clinics of 11 neurologists in Korea. The classification of a headache disorder was made according to the criteria of the ICHD-3β by each investigator based on the initial evaluation of the patient or by a consensus meeting for uncertain cases. The rates of a probable diagnosis among PPHD patients were assessed and the clinical characteristics of these patients were compared with those of patients with a diagnosis of definite primary headache disorder (DPHD)., Results: A total of 1429 patients were diagnosed with PHD, and 305 (21.3%) of these patients had PPHD. The proportions of PPHD differed among the subtypes of DPHD as follows: migraines (16.1%), tension-type headaches (TTH; 33%), trigeminal autonomic cephalalgia (TAC; 40.9%), and other PHD (14%, P < .001). Patients with PPHD had less severe headache intensity than patients with DPHD (5.8 ± 2.2 vs. 6.5 ± 2.1, respectively, P < .001) as well as a shorter duration of headache from onset (median: 1 vs. 4 months, respectively, P < .001). The most common criteria missing for a definite diagnosis in the PPHD patients were total frequency (52.1%), duration of attack (14.4%), and accompanying symptoms (13.1%)., Conclusions: A probable diagnosis was given to 21.3% of the first-visit PHD patients due to incomplete or atypical presentations of the headaches. The incorporation of a probable diagnosis into the ICHD-3β may be useful for reducing the diagnoses of unspecified headaches., (© 2016 American Headache Society.)

The purpose of this study was to test the feasibility and usefulness of the International Classification of Headache Disorders, third edition, beta version (ICHD-3β), and compare the differences with the International Classification of Headache Disorders, second edition (ICHD-2). Consecutive first-visit patients were recruited from 11 headache clinics in Korea. Headache classification was performed in accordance with ICHD-3β. The characteristics of headaches were analyzed and the feasibility and usefulness of this version was assessed by the proportion of unclassified headache disorders compared with ICHD-2. A total of 1,627 patients were enrolled (mean age, 47.4±14.7 yr; 62.8% female). Classification by ICHD-3β was achieved in 97.8% of headache patients, whereas 90.0% could be classified by ICHD-2. Primary headaches (n=1,429, 87.8%) were classified as follows: 697 migraines, 445 tension-type headaches, 22 cluster headaches, and 265 other primary headache disorders. Secondary headache or painful cranial neuropathies/other facial pains were diagnosed in 163 patients (10.0%). Only 2.2% were not classified by ICHD-3β. The main reasons for missing classifications were insufficient information (1.6%) or absence of suitable classification (0.6%). The diagnoses differed from those using ICHD-2 in 243 patients (14.9%). Among them, 165 patients were newly classified from unclassified with ICHD-2 because of the relaxation of the previous strict criteria or the introduction of a new diagnostic category. ICHD-3β would yield a higher classification rate than its previous version, ICHD-2. ICHD-3β is applicable in clinical practice for first-visit headache patients of a referral hospital.

Objective: To evaluate the prevalence of headache in medical students, and quantify the degree of disability through HIT-6 and MIDAS SCALE., Method: The criteria established by International Headache Society were used and the HIT-6 and MIDAS, to asses disability., Results: 140 medical students from UFAM were evaluated. 16.43% cases of migraine headache, 6.43% of probable migraine, and 23.57% of tension headaches were detected. 6.42% reported an absence of headache; and another 11.42% had secondary headache. According to the HIT-6 questionnaire, in 7.14% and 18.57% of the students, headaches were classified as having substantial to severe impact, respectively., Conclusion: Migraine and probable migraine had higher scores than the other types of headache and, therefore, led to higher levels of disability. The present study did not find a significant correlation between student semester, age or extracurricular activities on the impact generated by headache.

Unlabelled: Headache is very common and affects almost everyone at some point. It is one of the most common disorders that leads patients to see their physician. All different forms have the nociception via trigeminal nerve fibers in common. Beside the clinical course headaches are classified as either primary or secondary, with the latter having an identifiable structural or biochemical cause. Imaging has a low diagnostic yield in primary headache but play an important role in the differential diagnosis of secondary forms. An overview of different forms of secondary headache is given, outlining diagnostic procedures and the morphologic imaging features of each syndrome., Key Points: Headache can be differentiated in primary and secondary forms. Imaging plays an important role in differential diagnosis of secondary forms. Imaging should be performed in patients with concomitant systemic or neurologic symptoms., (© Georg Thieme Verlag KG Stuttgart · New York.)

The starting point for German headache research and clinical education was the engagement of D. Soyka in the 1970s, which enabled the foundation of the German Headache Society (DMKG) on 28 June 1979 and, some years later, the founding congress of the International Headache Society (IHS) in Munich 1982. As a result of these activities, in 1988 the first international classification of headache disorders was published. This classification was one of the major milestones in the development of basic as well as clinical headache research. In the following years, epidemiological studies all over the world showed a 1-year prevalence for headache of approximately 60%, making headaches one of the most frequent medical complaints. Basic research showed an involvement of serotonergic mechanisms in migraine pain and triptans were one of the first drugs designed to influence these mechanisms. Functional brain imaging studies in migraine patients further showed a cyclic modulation of the activity of brainstem areas independent of the current pain state. Various research groups were involved in the clarification of the role of calcitonin gene-related peptide (CGRP) in migraine and cluster headache. A specific development in the German headache scene is the establishment of integrated headache centers and reflects the primarily multimodal treatment approach in Germany which contrasts with the settings in other countries. These successful developments are increasingly being undermined by the fact that the low financial support of headache research, for example, by the German science council is causing a decreasing interest in headache research, with the consequence that the clinical education of students as well as young medical doctors shows increasing deficits. The consequence for the future will be a deficit in the clinical care of the population.

The association between headache and changes in intracranial pressure is strong in clinical practice. Syndromes associated with abnormalities of cerebrospinal fluid (CSF) pressure include spontaneous intracranial hypotension (SIH) and idiopathic intracranial hypertension (IIH). In 2013, the Headache Classification Committee of the International Headache Society (IHS) published the third International Classification of Headache Disorders (ICHD-3 beta version). The aim of this study was to investigate applicability of the new ICHD-3 versus ICHD-2 criteria in a clinical sample of patients with intracranial pressure (ICP) alterations. Patients admitted at our Headache Center for headache evaluation in whom a diagnosis of ICP alterations was performed were reviewed. 71 consecutive patients were studied. 40 patients (Group A) were diagnosed as IIH, 22 (Group B) as SIH, 7 (Group C) and 2 (Group D), respectively, as symptomatic intracranial hypertension and symptomatic intracranial hypotension. Main headache features were: in Group A, daily or nearly-daily headache (100 %) with diffuse/non-pulsating pain (73 %), aggravated by coughing/straining (54 %) and migrainous-associated symptoms (43 %). In Group B, an orthostatic headache (100 %) with nausea (29 %), vomiting (24 %), hearing disturbance (33 %), neck pain (48 %), hypacusia (24 %), photophobia (22 %) was reported. In Group C, a diffuse non-pulsating headache was present in 95 % with vomiting (25 %), sixth nerve palsy (14 %) and tinnitus (29 %). In Group D, an orthostatic headache with neck stiffness was reported by 100 %. Regarding applicability of ICHD-2 criteria in Group A, 73 % of the patients fitted criterion A; 100 %, criterion B; 100 %, criterion C; and 75 %, criterion D; while applying ICHD-3 beta version criteria, 100 % fitted criterion A; 97.5 %, criterion B; 100 %, criterion C; and 100 %, criterion D. In Group B, application of ICHD-2 showed 91 % patients fitting criterion A; 100 %, criterion B; 100 %, criterion C; and 68 %, criterion D; while applying ICHD-3 beta version all patients, 100 % fitted criterion A, B, C, D. 73 % patients of Group A fitted all ICHD-2 criteria and 97.5 % all ICHD-3 beta version criteria for headache attributed to IIH. 68 % patients of Group B fitted all ICHD-2 criteria and 100 % all ICHD-3 beta version criteria for headache attributed to SIH. In Group C and Group D, although patients fitted some clinical criteria, the underlying disorder caused exclusion of both ICHD-2 and ICHD-3 beta version applicability for headache attributed to IIH and SIH; they were coded in criteria for the secondary headaches. In summary, ICHD-3 beta version seems to have better applicability but worse reliability in defining headache features in CSF alterations.

Objectives: Headache is a common cause of medical consultations. We aim to analyze demographic characteristics of first two thousand patients in our register, and the incidence of their different headaches coded according to the International Classification of Headache Disorders, ii edition (ICHD-II)., Patients and Methods: On January 2008 a headache outpatient clinic was established in a tertiary hospital. Patients could be referred by general practitioners according to previously consensused criteria, as well as by general neurology or other specialities clinics. The following variables were prospectively collected on all patients; age, sex, referral source, complementary tests required, and the previously prescribed symptomatic or prophylactic therapies. All headaches were classified accordingly to ICHD-II. When a patient fulfilled criteria for more than one type of headache, all of them were diagnosed and classified., Results: In October 2012, 2000 patients (ratio women/men 2.59/1) had been seen in our headache clinic. The median age was 42 years (range: 11-94), 55.3% were referred from primary care, and 68.1% did not require complementary tests. A total of 3095 headaches were recorded in these 2000 patients, of which 2222 (71.8%) were considered primary headaches, 382 (12.3%) secondary headaches, with 117 (3.8%) corresponding to cranial neuralgias, 136 (4.3%) were unclassified headaches, and 238 (7.7%) were included in the research Appendix of the ICHD-II. The most represented group was 1 (migraine) with 53% of all headaches., Conclusions: The characteristics of first 2000 patients in our register were comparable to those previously described in other types of headache outpatient clinics. Migraine was the most frequent diagnosis, and secondary headaches were not as frequent in our series. Most headaches could be coded according to ICHD-II criteria., (Copyright © 2013 Sociedad Española de Neurología. Published by Elsevier España, S.L.U. All rights reserved.)

The International Classification of Headache Disorders, 3rd edition (beta version) has significantly improved the categorization of chronic headaches. From a clinical standpoint, however, it still has a few limitations, both general and specific. Among the former is the fact that international headache classifications are aimed less at defining the disease than at characterizing the features of attacks, meaning that their structure is ill suited to dealing with chronic headaches where the patient must be the focus of the discussion. Among the latter is the fact that the diagnostic criteria for chronic migraine do not distinguish between cases differing widely in severity and that the issue of whether medication overuse headache can be considered an autonomous entity is still unsolved. We propose that changes be made in the systematizations of chronic migraine and medication overuse headache to make them more consistent with clinical practice.

Introduction: The International Headache Society (IHS) has published the third edition of the International Classification of Headache Disorders (ICHD-III beta), the most commonly used guide to diagnosing headaches in the world., Aims: To review the recent additions to the guide, to explain the new entities that appear in it and to compare the conditions that have had their criteria further clarified against the criteria in the previous edition., Development: We have recorded a large number of clarifications in the criteria in practically all the headaches and neuralgias in the classification, but the conditions that have undergone the most significant clarifications are chronic migraine, primary headache associated with sexual activity, short-lasting unilateral neuralgiform headache attacks, new daily persistent headache, medication-overuse headache, syndrome of transient headache and neurological deficits with cerebrospinal fluid lymphocytosis. The most notable new entities that have been incorporated are external-compression headache, cold-stimulus headache, nummular headache, headache attributed to aeroplane travel and headache attributed to autonomic dysreflexia. Another point to be highlighted is the case of the new headaches (still not considered entities in their own right) included in the appendix, some of the most noteworthy being epicrania fugax, vestibular migraine and infantile colic., Conclusions: The IHS recommends no longer using the previous classification and changing over to the new classification (ICHD-III beta) in healthcare, teaching and research, in addition to making this new guide as widely known as possible.

A comparison has been made between the cervicogenic headache criteria in the new IHS classification of headaches (3rd edition-beta version) and The Cervicogenic Headache International Study Group's (GHISG) criteria from 1998. In a more recent version, the CHISG criteria consist of 7 different items. While "core cases" of cervicogenic headache (CEH) usually fulfill all 7 criteria, the IHS classification--3rd edition beta version--fulfills only 3 criteria. Although the new three beta version represents an improvement from the previous one, it does not quite seem to live up to the expectations for a diagnostic system for routine, clinical use.

Headache, a common and disabling symptom in Behçet's syndrome, may be associated with a variety of neurologic syndromes and ocular inflammation, or may present as an isolated feature. Our objective is to describe the various neurologic and ocular syndromes of Behçet's syndrome of which headache is a symptom, and to review the features of isolated headaches in Behçet's. We also report results of a study of headache in Behçet's syndrome patients who are followed at NYU Hospital for Joint Diseases, the first study of its kind in North American patients, and the first to document prevalence of both episodic and chronic daily headache in Behçet's.

Background: Headache is a symptom experienced by many individuals throughout life. It is a complex, multidimensional construct that, for the purpose of diagnosis, relies on the subjective symptom descriptions of those affected. The classification of headaches is influenced by the frequency of the respective pain as well as the different pain qualities and their perception. In the classification of headache, a number of different methodological problems arise that influence the estimation of prevalence and incidence rates of single headache types. The aim of this manuscript is (a) to describe and discuss the methodological problems in the assessment and classification of headache in general and single headache disorders in detail and (b) to summarize their frequency in studies of the German adult population., Methods: Cross-sectional and prospective cohort studies that assessed headache in general or the prevalence and incidence rates of single headache disorders in Germany are described and methodological problems of the assessment are discussed., Results: The application of different methods, especially in the classification of the most frequent primary headache disorders--migraine and tension-type headache--hinders the comparability of published studies. There is a clear lack of prospective cohort studies that allow a classification of single headache disorders., Conclusions: Given the high frequency and considerable consequences of headache disorders in Germany, only a few studies report results on the prevalence and/or incidence rates, risk factors, and individual as well as economic consequences of different headache disorders. Methodological problems in the assessment and classification of single headache disorders have contributed to this situation. Further standardization of methods in future studies is necessary.

Symptoms and signs of primary headache disorders can change during one's lifetime. Moreover, the impact and the frequency of attacks can fluctuate in an individual patient over time. Before puberty, boys and girls are equally affected; after puberty most headache disorders predominate in women. The treatment of primary headache disorders always has to take into consideration the severity and the frequency of headache attacks as well as the relevant comorbidities. Prophylactic headache treatment can modulate the course of primary headache disorders. Specific prophylactic treatment is the most important instrument for avoiding headache chronification caused by medication overuse. While primary headache disorders tend to improve in elderly patients, secondary headache disorders peak in elderly people. They are often a symptom of oncologic diseases, vascular disorders, or are linked to side effects of drugs that are prescribed more frequently in the elderly. The treatment and the prognosis of secondary headache disorders always depend on the underlying disease.

Background: According to the third beta edition of the International Classification of Headache Disorder (ICHD-3 beta), the diagnostic criteria for tension-type headache (TTH) might lead to the inclusion of individuals with headaches showing migrainous features. To better define TTH, the alternative diagnostic criteria were proposed in the appendix of ICHD-3 beta. This study attempted to test the alternative criteria for diagnosis of TTH proposed in ICHD-3 beta in a population-based sample from Korea., Methods: We selected participants from the Korean population aged 19-69 years using stratified random sampling and evaluated them by interview using a questionnaire designed to identify headache type, headache characteristics, and psychiatric comorbidities., Results: Of the 2,762 participants, 586 (21.3%) were diagnosed as having TTH using the standard criteria. Among these, 238 (40.6%) were also classified as having TTH using the alternative criteria. All 238 TTH subjects first diagnosed as having TTH by the alternative criteria were also classified as having TTH by the standard criteria. If the standard criteria were not applied, the remaining 348 patients were subclassified as having probable migraine (115, 19.6%) and unclassified headache (233, 39.7%). Compared with subjects diagnosed with TTH using the standard criteria, those diagnosed using the alternative criteria were less likely to demonstrate unilateral, pulsating headache, which is aggravated by movement, photophobia, phonophobia, and osmophobia., Conclusion: Using the alternative criteria, less than half of the subjects with TTH according to the standard criteria were classified as having TTH. All the subjects with TTH by the alternative criteria were classified as having TTH by the standard criteria. This study also demonstrated that subjects diagnosed with TTH using the standard criteria could include people with headaches showing migrainous features.

Introduction: The trigeminal autonomic cephalalgias (TACs) subsume four primary headache disorders. Hemicrania continua is increasingly regarded as an additional TAC. In rare cases patients may present with two different TACs or a TAC and hemicrania continua., Cases: We report four patients with two different TACs or one TAC and hemicrania continua. Two patients presented with cluster headache and paroxysmal hemicrania, one patient with cluster headache and hemicrania continua, and one patient suffered from cluster headache and SUNCT., Discussion: While the International Classification of Headache Disorders (ICHD-II) proposes specific diagnostic criteria, the variability of clinical presentation may make clear diagnosis difficult. All patients fulfilled the ICHD-II criteria. The manifestation of two different TACs or hemicrania continua in one patient is uncommon but possible and should be taken into account especially when chronic headache patients present with changing headache symptoms.