【摘 要】
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5-aminosalicylic acid (mesalamine) rarely induces hyper-sensitivity reactions. If chest pain associated with atypical electrocardiographic changes are seen duri
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5-aminosalicylic acid (mesalamine) rarely induces hyper-sensitivity reactions. If chest pain associated with atypical electrocardiographic changes are seen during its adminis-tration, one should always bear in mind type I variant of Kounis syndrome. This variant includes patients, of any age, with normal coronary arteries, without predisposing factors for coronary artery disease, in whom the acute release of inflammatory mediators from mast cells can induce either sudden coronary artery narrowing, without increase of cardiac enzymes and troponins, or coronary artery spasm that progresses to acute myocardial infarc-tion, with elevated cardiac enzymes and troponins.
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