Related Experiment Video

Updated: Sep 17, 2025

Mesenteric Artery Contraction and Relaxation Studies Using Automated Wire Myography
07:51

Mesenteric Artery Contraction and Relaxation Studies Using Automated Wire Myography

Published on: September 22, 2011

28.8K

Assessing the Causal Effect of Pulse Pressure on Migraine Risk: A Mendelian Randomization Study

Hongli Xu1, Xiaoyan Qin2, Zeguo Feng3

  • 1Medical Big Data Research Center, Medical Innovation Research Department of PLA General Hospital, Beijing, 100853, People's Republic of China.

Journal of Pain Research
|June 30, 2025
PubMed
Abstract

Insights

Lower pulse pressure may reduce migraine risk, potentially explaining higher prevalence in young people and women. This Mendelian randomization study highlights a causal link between pulse pressure and migraine.

Area of Science:

  • Cardiovascular Epidemiology
  • Neurology
  • Genetics

Background:

  • Migraine is common in young individuals and women, who typically have good arterial compliance.
  • Pulse pressure, a measure of arterial compliance, is linked to migraine, but the relationship is unclear.

Purpose of the Study:

  • To investigate the potential causal relationship between pulse pressure and migraine risk using Mendelian randomization (MR).

Main Methods:

  • Utilized large-scale genome-wide association studies (GWAS) data for pulse pressure and migraine.
  • Employed Inverse Variance Weighted (IVW), weighted median, and MR-Egger regression methods for primary analysis.
  • Validated findings using FinnGen study data and analyzed gene pathways with DAVID platform.

Main Results:

  • Mendelian randomization analysis revealed a significant negative causal link between pulse pressure and migraine risk (IVW: OR 0.992, p=0.002).
  • Supporting analyses (weighted median, MR-Egger) confirmed this association.
  • Finnish data validation and pathway analysis further supported the causal relationship and identified related biological pathways.

Conclusions:

  • Pulse pressure causally influences migraine risk.
  • Findings may explain higher migraine prevalence in specific demographics and lower risk in type 2 diabetes.
  • Further research is warranted to fully elucidate this complex relationship.
Keywords:
Mendelian randomizationcausal associationgwasmigrainepulse pressure

More Related Videos

Author Spotlight: Deciphering Electrical Networks Behind Complex Brain Activities and Disorders05:49

Author Spotlight: Deciphering Electrical Networks Behind Complex Brain Activities and Disorders

Published on: November 1, 2024

975
3D-Neuronavigation In Vivo Through a Patient's Brain During a Spontaneous Migraine Headache10:39

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

Published on: June 2, 2014

18.3K

Related Concept Videos

Blood Pressure01:24

Blood Pressure

The movement of blood in a human body, commonly referred to as blood flow, is determined by the volume of blood that traverses a certain section of the bodily system per unit time. It is the rhythmic contraction of the heart's ventricles that primarily instigates this movement. As the ventricles contract, blood is forced into the prominent arteries, which then flow from areas of greater pressure to lower pressure areas. This movement continues into smaller arteries and arterioles and...
4.8K
Hypertension and Regulation of Blood Pressure01:18

Hypertension and Regulation of Blood Pressure

Hypertension, the most common cardiovascular disease, is diagnosed through repeated measurements of elevated blood pressure. Its risks, including damage to the kidney, heart, and brain, are directly proportional to blood pressure levels. Starting from 115/75 mm Hg, the risk of cardiovascular disease doubles with each increment of 20/10 mm Hg. The diagnosis relies on blood pressure measurements, not on patient symptoms, as hypertension is often asymptomatic until end-organ damage is imminent or...
3.1K
Factors affecting Blood pressure01:28

Factors affecting Blood pressure

Several physiological and lifestyle factors influence blood pressure (BP). Understanding these factors is crucial as they are significant in patient education and blood pressure management.
Physiological Factors:
5.0K
Measurement of Blood Pressure01:17

Measurement of Blood Pressure

Assessing blood pressure is a standard procedure executed in virtually all medical environments. The method utilized today was established over a hundred years ago by an innovative Russian doctor, Dr. Nikolai Korotkoff. The soft ticking noise, known as Korotkoff sounds, heard while taking blood pressure readings results from turbulent blood flow within the vessels. The apparatus required for this procedure includes a sphygmomanometer, a blood pressure cuff attached to a gauge, and a...
1.5K
Hypertension II: Pathophysiology01:29

Hypertension II: Pathophysiology

Hypertension is a chronic condition in which the blood's force against artery walls is excessively high, posing risks such as heart disease. The condition's underlying mechanisms involve complex interactions among the cardiovascular, kidney, and autonomic nervous systems.Renin-Angiotensin-Aldosterone System (RAAS): This system significantly influences blood pressure regulation. When blood pressure decreases, the kidneys secrete renin. This enzyme transforms angiotensinogen, a plasma protein,...
90
Sites for measruring blood pressure01:21

Sites for measruring blood pressure

Blood pressure measurement is a fundamental clinical procedure, providing crucial data for assessing cardiovascular health. Among the various sites for this measurement, the brachial and popliteal arteries are predominantly utilized due to their accessibility and the reliability of their readings. This lesson delves into the anatomical significance, methodology, and considerations of measuring blood pressure at these locations.
The Brachial Artery: Primary Site for Blood Pressure Measurement
2.4K