A Case of Primary Bacterial Pericarditis with Recurrent Cardiac Tamponade

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Cardiac tamponade is an important and potentially lethal complication of acute pericarditis. However, recurrence of cardiac tamponade is rare when it is treated appropriately. We present a 49-year-old man with bacterial pericarditis and recurrent cardiac tamponade, which was caused by the rupture of an upper part of the left atrium (LA). According to the autopsy findings, bacteremia from Staphylococcus aureus developed on a substrate of poorly controlled diabetes mellitus and spread to the pericardium via the blood. Subsequently, tissue necrosis developed from the pulmonary trunk and aorta to the LA, leading to recurrence of cardiac rupture and cardiac tamponade.