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Right atrial myxoma with right to left shunt and coronary artery disease
H Saitoh1, H Kubota, M Takeshita
1Department of Cardiac Surgery and Internal Medicine, Asahi General Hospital, Chiba, Japan.
Insights
Surgical removal of a right atrial myxoma successfully treated a patient's right-to-left shunt and improved hypoxemia. This case highlights effective diagnosis and management of complex cardiac conditions.
Area of Science:
- Cardiology
- Cardiac Surgery
- Diagnostic Imaging
Background:
- A 61-year-old male presented with a right atrial myxoma, coronary artery disease, and an interatrial shunt.
- The shunt, through a patent foramen ovale, was linked to elevated central venous pressure from tricuspid valve disease.
Observation:
- Diagnosis of the intracardiac shunt was achieved using an intraoperative blood-gas study.
- This method was chosen over traditional right heart catheterization and cardioangiography.
Findings:
- Surgical resection of the myxoma and patent foramen ovale closure were successfully performed.
- Postoperatively, the patient experienced resolution of preoperative polycythemia and hypoxemia.
Implications:
- This case demonstrates the successful surgical management of a complex cardiac tumor with associated intracardiac shunt.
- Intraoperative blood-gas analysis offers a viable alternative for diagnosing shunts in specific clinical scenarios.
- Effective treatment improved patient oxygenation and hematological parameters.
Abstract:
Surgical treatment of a right atrial myxoma with a right-to-left shunt and coronary artery disease was successfully performed in a 61-year-old man. The interatrial shunt occurred through a patent foramen ovale and was the result of a high central venous pressure due to tricuspid stenosis and regurgitation. Instead of right heart catheterization and cardioangiography, we chose an intraoperative blood-gas study to diagnose the intracardiac shunt. Preoperative polycythemia and hypoxemia were improved after removal of the tumor and closure of the patent foramen ovale.