Primary headache and silent myocardial ischemia in patients with coronary artery disease

Colomba Falcone1, Sara Bozzini, Carmine Gazzaruso

  • 1Interdepartmental Center of Research in Molecular Medicine, University of Pavia, Italy. colomba.falcone@unipv.it

Cardiology
|June 6, 2013
PubMed

Insights

A history of primary headache in patients with coronary artery disease (CAD) correlates with a higher likelihood of anginal symptoms and a lower chance of silent myocardial ischemia (SMI). Absence of headache in CAD patients may indicate increased SMI risk.

Area of Science:

  • Cardiology
  • Neurology
  • Vascular Medicine

Background:

  • The link between migraine and ischemic vascular disease is complex and not fully understood.
  • Silent myocardial ischemia (SMI) is a critical indicator of coronary artery disease (CAD).

Purpose of the Study:

  • To investigate the correlation between silent myocardial ischemia (SMI) and a history of primary headache.
  • To examine this relationship in a large cohort of patients experiencing exercise-induced myocardial ischemia.

Main Methods:

  • The study included 1,427 patients with exercise-induced myocardial ischemia and confirmed CAD.
  • Patients were categorized into symptomatic (n=918) and asymptomatic (n=509) groups.

Main Results:

  • A higher prevalence of primary headache was observed in patients with anginal symptoms during exercise-induced myocardial ischemia (41% vs. 30%).
  • Patients experiencing angina pectoris daily also showed a greater prevalence of primary headache (37% vs. 20%).
  • Symptomatic patients undergoing percutaneous transluminal coronary angiography or experiencing myocardial infarction had a higher prevalence of primary headache compared to asymptomatic individuals.

Conclusions:

  • A history of headache in the CAD population is associated with a higher probability of anginal symptoms and a reduced probability of SMI.
  • The absence of headache in patients with CAD risk factors warrants close monitoring due to potentially increased SMI risk and lower pain susceptibility.
Abstract

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