Delayed diagnosis of postcardiac injury syndrome

Postcardiac injury syndrome (PCIS) is a rare condition that is considered to have a trauma-induced autoimmune mechanism triggered by damage to pericardial and/or pleural tissues. We report a case of PCIS accompanied by systemic oedema after thymectomy. A 73-year-old woman was referred to our hospital for dyspnoea and oedema, 9 months after thymectomy. Evaluation revealed the presence of pericardial effusion, pleural effusion and systemic oedema. Differential diagnosis included constrictive pericarditis (secondary to tuberculosis), serositis caused by collagen disease and malignancy. Detailed investigations led to the diagnosis of PCIS, which was successfully treated with prednisolone. This report focuses on the diagnostic approach to PCIS. Since it took time to make a final diagnosis in our patient, we analysed several past case reports and series to determine the cause of the delay in diagnosis.

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