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Related Experiment Videos

Severe coronary artery spasm can be associated with hyperthyroidism.

Yoon-Ho Choi1, Jae Hoon Chung, Sung Won Bae

  • 1Division of Cardiology, Samsung Medical Centre, Sungkyunkwan University School of Medicine, Seoul, Korea.

Coronary Artery Disease
|April 9, 2005
PubMed
Summary

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Severe coronary artery spasm may be linked to hyperthyroidism. Thyroid function tests are crucial for diagnosing coronary artery spasm, particularly in young women.

Area of Science:

  • Cardiology
  • Endocrinology
  • Vascular Medicine

Background:

  • Coronary artery spasm is a recognized condition, often focal, with unknown etiology.
  • While anecdotal links to hyperthyroidism exist, large-scale studies are lacking.
  • This study investigated eight patients with severe coronary artery spasm and hyperthyroidism over 5 years.

Purpose of the Study:

  • To characterize patients with coronary artery spasm associated with hyperthyroidism.
  • To explore the relationship between hyperthyroidism and severe coronary artery spasm.
  • To establish diagnostic and management guidelines.

Main Methods:

  • Retrospective analysis of eight patients diagnosed with coronary artery spasm via angiography or provocation tests.
  • Evaluation of demographic data, angiographic findings, and thyroid function tests.

Related Experiment Videos

  • Assessment of follow-up clinical data after treatment.

    • Main Results:

    • All eight patients diagnosed with Graves' disease (a form of hyperthyroidism).
    • Six patients exhibited coronary vasoconstriction during angiography without provocative agents.
    • Three patients had left main coronary artery involvement; five female patients were ≤51 years old.

    Conclusions:

    • Severe coronary artery spasm can be associated with hyperthyroidism.
    • Thyroid function assessment is recommended for patients with coronary artery spasm, especially young females.
    • Prompt treatment with anti-thyroid medications, calcium channel blockers, and nitrates led to symptom resolution.