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Alpha-Gal Syndrome and Cardiac Surgery.

Jessica Zvara1, Austin L Smith1, Michael A Mazzeffi1

  • 1Department of Anesthesiology, University of Virginia Health System, Charlottesville, VA USA.

Journal of Cardiothoracic and Vascular Anesthesia
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Summary
This summary is machine-generated.

Alpha-gal syndrome (AGS) causes allergic reactions to mammalian products due to tick bites. Awareness is crucial for managing cardiac surgery patients at risk from mammalian-derived medications and devices.

Keywords:
alpha-galalpha-gal syndromebioprosthetic valvecardiopulmonary bypassheparinheparin allergyticktick bite

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Area of Science:

  • Immunology
  • Allergology
  • Cardiology

Background:

  • Galactose-alpha-1,3-galactose (alpha-gal) is a mammalian carbohydrate absent in humans.
  • Tick bites can induce specific IgE antibodies, leading to alpha-gal syndrome (AGS).
  • AGS manifests as delayed allergic reactions to mammalian products, including meat and medications.

Purpose of the Study:

  • To review the literature on alpha-gal syndrome in cardiac surgery patients.
  • To highlight the risks associated with mammalian-derived products in this population.
  • To present a treatment approach for AGS in cardiac surgery.

Main Methods:

  • Narrative review of published literature.
  • Focus on alpha-gal syndrome and its implications in cardiac surgery.
  • Discussion of perioperative and postoperative management strategies.

Main Results:

  • Mammalian-derived products like heparin and bioprosthetic valves pose significant risks in cardiac surgery for AGS patients.
  • Delayed urticarial and gastrointestinal symptoms are characteristic of AGS.
  • Preoperative identification and perioperative management are key to reducing risks.

Conclusions:

  • Cardiac surgery patients with AGS require careful consideration of mammalian-derived materials.
  • Increased awareness of AGS can improve patient outcomes and safety.
  • A proactive management strategy is essential for minimizing allergic reactions.