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Refractory vasospasm with a malignant course.

A Kumar1, H Chandna, V Santhanam

  • 1Department of Cardiology, Michael Reese Hospital and Medical Center, Chicago, Illinois 60616, USA.

Clinical Cardiology
|February 17, 2000
PubMed
Summary
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This case study highlights a patient with recurrent vasospastic angina requiring cardiac transplant and acute aortic occlusion. These rare events suggest a potential generalized vasospastic predisposition, possibly linked to smoking.

Area of Science:

  • Cardiology
  • Vascular Medicine
  • Transplant Surgery

Background:

  • Recurrent vasospastic angina can lead to severe cardiac events, including myocardial infarction and sudden cardiac death, often refractory to standard medical therapy.
  • Acute aortic occlusion is a critical vascular emergency, and its association with vasospasm is uncommon.
  • Cardiac transplantation is a life-saving option for end-stage heart failure due to conditions like severe coronary vasospasm.

Observation:

  • A patient experienced recurrent episodes of coronary vasospasm, manifesting as unstable angina and myocardial infarction, despite treatment with nitrates and calcium-channel blockers.
  • The patient subsequently underwent a cardiac transplant due to the severity of his coronary vasospastic disease.
  • Post-transplant, the patient developed acute aortic occlusion, accompanied by renal and mesenteric artery spasm.

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Findings:

  • The co-occurrence of severe coronary vasospasm requiring cardiac transplant and acute aortic occlusion with visceral artery spasm suggests a possible underlying generalized vasospastic diathesis.
  • Smoking was identified as a significant risk factor, temporally associated with both the vasospastic angina and the acute aortic occlusion events.

Implications:

  • This case underscores the importance of considering a systemic vasospastic predisposition in patients presenting with seemingly unrelated, severe vascular events.
  • Identifying and managing risk factors like smoking may be crucial in preventing catastrophic outcomes in individuals with vasospastic disorders.
  • Further research into the mechanisms of generalized vasospasm could lead to novel therapeutic strategies for these rare conditions.