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Cardiovascular disease and anaphylaxis.

Ulrich R Mueller1

  • 1Department of Medicine, Zieglerspital, Bern, Switzerland. ulrich.mueller@spitalnetzbern.ch

Current Opinion in Allergy and Clinical Immunology
|July 11, 2007
PubMed
Summary
This summary is machine-generated.

Severe anaphylaxis poses risks for individuals with cardiovascular disease. Conditions like systemic mastocytosis and elevated serum tryptase increase the likelihood of fatal reactions, especially with hymenoptera stings.

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Area of Science:

  • Cardiology
  • Allergy and Immunology
  • Pharmacology

Background:

  • Anaphylaxis frequently involves the cardiovascular system, and pre-existing cardiovascular conditions can worsen its course.
  • Systemic mastocytosis and elevated baseline serum tryptase are linked to severe and fatal anaphylaxis, particularly from hymenoptera stings.

Observation:

  • Increased cardiac mast cells in systemic mastocytosis lead to high concentrations of cardiotoxic mediators during anaphylaxis.
  • Severe anaphylaxis in coronary heart disease is exacerbated by cardiac mast cell load and coronary stenosis, promoting myocardial hypoxia.

Findings:

  • Pre-existing cardiovascular disease, mastocytosis, and elevated serum tryptase are risk factors for fatal anaphylaxis or lasting morbidity from myocardial or cerebrovascular infarction.
  • Cardiac medications, such as beta-blockers, while crucial for cardiovascular health, may potentially increase anaphylaxis severity.

Implications:

  • Careful risk-benefit analysis of cardiac medications is essential for patients with both cardiovascular disease and anaphylaxis risk.
  • Collaboration between cardiologists and allergists is crucial for managing patients with co-existing cardiovascular conditions and anaphylaxis risk.