Kounis Syndrome – ABC CARDIOL

IJCS

Case Report

Allergy and Ischemia: A Case Report of Type II Kounis Syndrome

Rafael Viana et al. Miguel Carias Diogo Brás

Introduction

Kounis Syndrome (KS), also known as “allergic angina,” is a rare condition in which an allergic reaction triggers acute coronary events. Its mechanism involves mast cell degranulation, releasing inflammatory mediators such as histamine, cytokines, and proteases. These substances can induce coronary artery spasm, plaque rupture, or thrombus formation. KS is classified into three types: Type I (occurring in patients without coronary artery disease, CAD), Type II (in patients with pre-existing CAD), and Type III (associated with stent thrombosis). In this report, we present a case of Type II KS.

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IJCS

Case Report

Kounis Syndrome: Case Report in Goiânia/BR

Marília Pereira et al. Gabriela Lima Vieitas Anna Ilona Hunkar Freitas Karoly Gyula Olivas Hunkar

Abstract

22-year-old male patient with no heart disease, who was given an ambulatory medication with analgesics due to an acute renal crisis. After the drug administration, the patient presented dyspnea, cyanosis, and hemoptysis. There was suspicion of anaphylactic shock, which was treated, but there was no improvement in the clinical condition. The patient was referred to the Intensive Care Unit, where tests were performed showing elevated cardiac enzymes and Immunoglobulin E and Computed Tomography of Thoracic revealed alveolar hemorrhage. He developed clinical worsening and died after sepsis. The final diagnosis was of kounis syndrome due to the hypersensitivity reaction to the analgesics introduced in the patient, generating an acute coronary syndrome (ACS). The purpose of this case report was to highlight a syndrome that is little reported because it is not part of the differential diagnosis routines of ACS, but it generates important complications.

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Allergy and Ischemia: A Case Report of Type II Kounis Syndrome

Introduction

Kounis Syndrome: Case Report in Goiânia/BR

Abstract

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