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Case Reports
. 2022 Jul 4;11(1):e33-e37.
doi: 10.1055/s-0042-1749211. eCollection 2022 Jan.

ST-Segment Elevation Myocardial Infarction and Right Atrial Myxoma

Affiliations
Case Reports

ST-Segment Elevation Myocardial Infarction and Right Atrial Myxoma

Maximilian Vondran et al. Thorac Cardiovasc Surg Rep. .

Abstract

Background Cardiac myxoma is the most common primary cardiac tumor. Although benign, it can cause life-threatening complications due to embolization. Case Presentation We describe an ST-elevation myocardial infarction (STEMI) involving a giant right atrial myxoma and persisting foramen ovale (PFO) in a 64-year-old male patient and report on emergency percutaneous interventional therapy and subsequent cardiac surgery to remove the right atrial myxoma. Conclusion A right atrial myxoma, combined with a PFO, can cause a STEMI. Therefore, every acute coronary syndrome patient should undergo ultrafast exploratory emergency echocardiography to protect the physician from unpleasant surprises.

Keywords: cardiac catheterization/interventionpercutaneous coronary intervention; cardiovascular surgery; echocardiography; myocardial infarction; myxoma; tumor.

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Conflict of interest statement

Conflict of Interest None declared.

Figures

Fig. 1
Fig. 1
Electrocardiogram.
Fig. 2
Fig. 2
Primary emergency percutaneous coronary intervention. ( A and B ) Left coronary artery with the arrow marking the total occlusion of the left anterior descending artery. ( C ) Right coronary artery with the arrow marking the high-grade stenosis in segment 3.
Fig. 3
Fig. 3
Giant right atrial myxoma (*). ( A ) Transesophageal echocardiography. ( B ) Computed tomography scan. ( C ) Magnetic resonance tomography scan.
Fig. 4
Fig. 4
( A ) Initial left anterior descending artery's result after the first passage with the guidewire through the total occlusion and finally ( B ) after implanting two drug-eluting stents. ( C ) Final result of the second inspection of the right coronary artery's percutaneous coronary intervention.
Fig. 5
Fig. 5
Histopathological examination using light microscopy. Hematoxylin–eosin staining—inlay Alcian blue staining with periodic acid-Schiff reaction. Tumor with few cells and elements located subendothelial in loose, elongated structures, dominated by a myxoid matrix.

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