| Summary: | Abstract Background Postcardiac injury syndrome (PCIS) is an inflammatory response syndrome characterized by pericardial effusion with or without pleural effusion; however, serious PCIS with peripheral hematoma of the ascending aorta and acute cerebral infarction after percutaneous coronary intervention (PCI) have not been reported. Case presentation This article reports a very rare case of a 40-year-old patient who developed acute pericardial and pleural effusions (both bloody), acute respiratory distress, peripheral hematoma of the ascending aorta, and acute cerebral infarction after PCI. The patient’s ECG showed bow-back downward ST elevation in leads I, II, III, and V4–V6. A blood test showed significant increases in eukaryotic-cell count, erythrocyte sedimentation rate (ESR), and C-reactive protein (CRP). Echocardiography and pulmonary artery computed tomography angiography (CTA) showed a large amount of pericardial effusion and pleural effusion. CTA of the thoracic and abdominal aorta showed a peripheral hematoma of the ascending aorta. A cranial computed tomography (CT) showed cerebral infarction anterior to the anterior horn of the right ventricle. After tracheal intubation, ventilator breathing support, pericardial and pleural drainage, and adrenocortical steroid (prednisone) treatment, he gradually recovered and was discharged 20 days later. Conclusion We report the management of a case of serious PCIS with peripheral hematoma of the ascending aorta and acute cerebral infarction after PCI. Early diagnosis, early differential diagnosis, and early use of steroid therapy are the key in treating PCIS.
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