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[Acute myocardial infarction after wasp sting]
Giuseppe Calveri1, Ylenia Bertelli, Salvatore Ivan Caico
1U.O. di Cardiologia, Ospedale di Circolo e Fondazione Macchi, Università degli Studi dell'Insubria, Varese. gcalver@tin.it
Summary
A rare case of myocardial infarction following a wasp sting is presented. This event may be caused by venom-induced shock, coronary artery spasm, and subsequent thrombosis.
Area of Science:
- Cardiology
- Toxicology
- Immunology
Background:
- Myocardial infarction (MI) is a serious cardiovascular event.
- Wasp stings can trigger severe allergic reactions, including anaphylaxis.
- The link between hymenoptera stings and acute MI is exceptionally rare.
Observation:
- A 77-year-old male experienced anaphylactic shock after a wasp sting on his left hand.
- Within 30 minutes of the sting, the patient developed acute myocardial infarction.
Findings:
- The patient's anaphylactic shock likely led to severe hypotension and hypovolemic shock.
- Coronary artery spasm and subsequent thrombosis may have occurred due to venom components.
- Vasoactive, inflammatory, and thrombogenic substances in hymenoptera venom are implicated.
Implications:
- This case highlights a rare but severe complication of wasp stings.
- Understanding the pathogenetic mechanisms is crucial for managing such events.
- Further research may elucidate the specific venom components responsible for cardiovascular events.