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  • Title: Severe allergic reaction during angioplasty culminating to fatal acute stent thrombosis: An association with Kounis syndrome.
    Author: Despotopoulos S, Roumeliotis A, Kounis NG, Tsigkas G, Hahalis G, Davlouros P.
    Journal: Heart Lung; 2019; 48(2):138-140. PubMed ID: 30245248.
    Abstract:
    BACKGROUND: Kounis syndrome is a systemic complication following an allergic reaction, presenting with coronary artery spasm or thrombosis and occasionally with stent thrombosis that can have fatal outcome. OBJECTIVES: Heparins can induce allergic reactions via tissue antigenicity, heparin induced thrombocytopenia and contact system-activating effects of contaminants but allergy bivalirudin has not been reported so far. METHODS: Herein, we describe a patient with fatal acute coronary in-stent thrombosis following an allergic reaction soon after an intra-arterial heparin dose and intravenous administration of bivalirudin during angioplasty. RESULTS: The patient received intense myocardial infarction protocol treatment including angioplasty and defibillation together with antiallergic therapy but despite all of these efforts and measures, he succumbed 2 h later. CONCLUSIONS: Significant suspicion should be raised that life saving drugs such as heparin and bivalirudin could join forces with concurrent medication acting as antigens and induce fulminant and fatal stent thrombosis as a manifestation of Kounis syndrome.
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