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Related Concept Videos

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Aneurysm management involves either conservative medical therapy or surgical intervention, depending on the size and symptoms of the aneurysm. Conservative management is generally reserved for smaller, asymptomatic aneurysms, while larger or symptomatic aneurysms often necessitate surgical repair.Conservative Medical TherapyFor small, asymptomatic aneurysms, particularly abdominal aortic aneurysms (AAA) less than 5.5 centimeters in diameter, conservative medical therapy is recommended. This...
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Thoracic, aortic arch and abdominal aneurysms are significant vascular conditions that can present with various clinical manifestations and lead to serious complications. Understanding these manifestations and the appropriate diagnostic studies is essential for effective management and treatment.Thoracic Aortic AneurysmsThoracic aortic aneurysms often remain asymptomatic until they reach a size that impinges on adjacent structures. They typically cause deep, diffuse chest pain that radiates to...
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Related Experiment Video

Updated: Jan 18, 2026

3D-Neuronavigation In Vivo Through a Patient's Brain During a Spontaneous Migraine Headache
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Headache and Intracranial Aneurysm: A Bidirectional Mendelian Randomization Study.

Chunlin Ren1, Qian Gao2, Xinmin Li3

  • 1Rehabilitation Medicine College, Henan University of Chinese Medicine, Zhengzhou, Henan, China.

Current Neurovascular Research
|June 5, 2025
PubMed
Summary

Migraine Without Aura increases the risk of aneurysmal Subarachnoid Hemorrhage, while Migraine With Aura is linked to unruptured Intracranial Aneurysm. Hypertension was not a significant mediator in these headache and aneurysm relationships.

Keywords:
Headachecausal link.intracranial aneurysmmendelian randomizationmigrainesingle nucleotide polymorphism

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Area of Science:

  • Neuroscience
  • Genetics
  • Epidemiology

Background:

  • Headaches are a prevalent cause of disability, affecting up to 95% of people.
  • Intracranial Aneurysm (IA) is a serious cerebrovascular condition affecting approximately 3.2% of the population.
  • The causal link between headaches and IA requires further investigation.

Purpose of the Study:

  • To investigate the causal relationship between headaches and Intracranial Aneurysm (IA).
  • To examine four headache subtypes: Chronic Headache (CH), Tension-Type Headache (TTH), Migraine Without Aura (MO), and Migraine With Aura (MA).
  • To assess the potential mediating role of hypertension in these associations.

Main Methods:

  • A two-sample bidirectional Mendelian Randomization (MR) analysis was conducted.
  • Genome-Wide Association Study (GWAS) data was utilized for the analysis.
  • Inverse variance weighted method and mediation analysis were employed.

Main Results:

  • Migraine Without Aura (MO) showed an association with increased risk of aneurysmal Subarachnoid Hemorrhage (aSAH).
  • Migraine With Aura (MA) was linked to an elevated risk of unruptured IA (uIA).
  • Hypertension was not found to be a significant mediator.

Conclusions:

  • MO may play a role in aSAH, and MA may be associated with uIA.
  • These findings enhance the understanding of the complex relationship between headaches and IA.
  • Further research is needed to explore underlying mechanisms for prevention and management.