Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Epilepsy ll: Types01:22

Epilepsy ll: Types

Recurrent seizures, stemming from abnormal electrical activity in the brain, are the defining characteristic of epilepsy, a chronic neurological condition. Because seizure features vary greatly, epilepsy is classified using two systems: by seizure type and by epilepsy syndromes. These classifications enable clinicians to describe seizure patterns and select suitable treatment strategies.I. Classification by Seizure Type1. Focal EpilepsyFocal epilepsy begins in one hemisphere of the brain.
Classification of Illness01:17

Classification of Illness

The meaning of illness is individualized to each person who experiences an alteration in health. In contrast, disease is a medical term indicating a pathological change in the structure and function of the body or mind. It is a condition that has specific symptoms and boundaries.
An illness is a response to a disease in which the person's level of functioning is changed compared with a previous level. The general classification of illness includes acute and chronic.
Acute illness is severe and...
Depressive Disorders: MDD and Dysthymia01:27

Depressive Disorders: MDD and Dysthymia

Depressive disorders are a group of mental health conditions characterized by pervasive feelings of sadness, diminished pleasure in life, and a significant impact on daily functioning. These conditions are most prevalent in individuals during their 30s and affect women at twice the rate of men. Contrary to popular belief, younger individuals are generally more susceptible to these disorders than older adults. Two key types of depressive disorders include Major Depressive Disorder (MDD) and...
Asthma-III: Symptoms and Complications01:24

Asthma-III: Symptoms and Complications

Asthma, a common chronic respiratory condition, is classified considering the frequency and severity of symptoms alongside lung function impairment. Understanding this classification is essential for appropriate treatment and management. Here's a detailed look at the classification of asthma and its clinical features and complications:
Classification of Asthma
Seizures: Classification01:13

Seizures: Classification

Epilepsy is primarily characterized by unpredictable seizures, either provoked by an identifiable factor, such as injury or illness, or unprovoked, occurring spontaneously without apparent cause.
Seizures are typically classified into two main categories: focal and generalized seizures.
Focal Seizures
Focal seizures originate from specific regions of the brain. These seizures are further sub-classified into two types:
Heart Failure IV: Classification and Diagnostic Evaluation01:30

Heart Failure IV: Classification and Diagnostic Evaluation

Heart failure can be classified in various ways, with the most common classifications based on physical activity limitations, disease progression, severity, and treatment strategies.The Functional Classification of Heart Failure divides patients into four categories based on physical activity limitation due to symptom burden.Class I: Patients in this class have cardiac disease but no physical activity limitations. Ordinary activities like walking, climbing stairs, or routine tasks do not cause...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Rates, predictors, and consequences of remission from chronic migraine to episodic migraine.

Neurology·2011
Same author

Disability, HRQoL and resource use among chronic and episodic migraineurs: results from the International Burden of Migraine Study (IBMS).

Cephalalgia : an international journal of headache·2010
Same author

Sociodemographic and comorbidity profiles of chronic migraine and episodic migraine sufferers.

Journal of neurology, neurosurgery, and psychiatry·2010
Same author

Global prevalence of chronic migraine: a systematic review.

Cephalalgia : an international journal of headache·2009
Same author

Botulinum toxin type A in the prophylactic treatment of chronic tension-type headache: a multicentre, double-blind, randomized, placebo-controlled, parallel-group study.

Cephalalgia : an international journal of headache·2006
Same author

Repeated dosing of botulinum toxin type A for upper limb spasticity following stroke.

Neurology·2004
Same journal

Differential thalamic GSH/Glu ratios Among primary headache subtypes and clinical implications: A cross-sectional magnetic resonance spectroscopy study.

Cephalalgia : an international journal of headache·2026
Same journal

<i>In Vivo</i> confocal microscopy evaluation of corneal layer alterations in patients with trigeminal neuralgia.

Cephalalgia : an international journal of headache·2026
Same journal

Early and clinically meaningful functional improvement following CGRP monoclonal antibodies in adolescents with migraine: A real-world retrospective study.

Cephalalgia : an international journal of headache·2026
Same journal

Iatrogenic harm in paediatric and adolescent populations of patients with migraine: A systematic review with meta-analysis.

Cephalalgia : an international journal of headache·2026
Same journal

Rimegepant for migraine prevention in clinical practice: A multicenter study including patients with prior anti-CGRP monoclonal antibody failure (GEMA project).

Cephalalgia : an international journal of headache·2026
Same journal

Cerebrovascular risk with calcitonin gene-related peptide monoclonal antibodies versus onabotulinumtoxinA in patients with migraine: A real-world pharmacoepidemiologic study in the National Institutes of Health All of Us Research Program.

Cephalalgia : an international journal of headache·2026
See all related articles

Related Experiment Video

Updated: Jun 5, 2026

3D-Neuronavigation In Vivo Through a Patient's Brain During a Spontaneous Migraine Headache
10:39

3D-Neuronavigation In Vivo Through a Patient's Brain During a Spontaneous Migraine Headache

Published on: June 2, 2014

Chronic migraine: classification and comparisons.

Z Katsarava1, A Manack, M-S Yoon

  • 1Department of Neurology, University of Essen, Hufelandstrasse 55, Essen, Germany. Zaza.Katsarava@uk-essen.de

Cephalalgia : an International Journal of Headache
|January 12, 2011
PubMed
Summary
This summary is machine-generated.

Chronic migraine (CM) prevalence differs by definition. While CM groups share similar profiles, they differ significantly from high-frequency episodic migraine (HFEM) and low-frequency episodic migraine (LFEM) patients.

More Related Videos

An Automated Squint Method for Time-syncing Behavior and Brain Dynamics in Mouse Pain Studies
05:49

An Automated Squint Method for Time-syncing Behavior and Brain Dynamics in Mouse Pain Studies

Published on: November 1, 2024

Investigating Migraine-Like Behavior Using Light Aversion in Mice
05:23

Investigating Migraine-Like Behavior Using Light Aversion in Mice

Published on: August 11, 2021

Related Experiment Videos

Last Updated: Jun 5, 2026

3D-Neuronavigation In Vivo Through a Patient's Brain During a Spontaneous Migraine Headache
10:39

3D-Neuronavigation In Vivo Through a Patient's Brain During a Spontaneous Migraine Headache

Published on: June 2, 2014

An Automated Squint Method for Time-syncing Behavior and Brain Dynamics in Mouse Pain Studies
05:49

An Automated Squint Method for Time-syncing Behavior and Brain Dynamics in Mouse Pain Studies

Published on: November 1, 2024

Investigating Migraine-Like Behavior Using Light Aversion in Mice
05:23

Investigating Migraine-Like Behavior Using Light Aversion in Mice

Published on: August 11, 2021

Area of Science:

  • Neurology
  • Epidemiology
  • Public Health

Background:

  • Chronic migraine (CM) diagnosis relies on various criteria, impacting prevalence estimates.
  • Understanding the epidemiological profiles of different migraine classifications is crucial for clinical practice and research.

Purpose of the Study:

  • To field test different chronic migraine (CM) criteria.
  • To compare the epidemiological profiles of CM with high-frequency episodic migraine (HFEM) and low-frequency episodic migraine (LFEM).

Main Methods:

  • A random sample of 18,000 adults aged 18-65 in Germany received questionnaires.
  • Epidemiological data for CM, LFEM, and HFEM were analyzed using descriptive statistics and inferential tests.

Main Results:

  • Prevalence varied by CM definition, with CM_III being the most common (2.0%).
  • No significant differences were observed in age, gender, BMI, education, smoking, or alcohol consumption among CM groups.
  • Epidemiological profiles of CM (CM_III) significantly differed from LFEM and HFEM.

Conclusions:

  • Migraine prevalence estimates are sensitive to the case definition used.
  • Epidemiological characteristics of chronic migraine patients differ from those with episodic migraine.
  • Further field testing is needed to optimize CM definitions for clinical and research purposes.