[Perioperative Multiple Pulmonary Embolism in a Patient with Giant Right Atrial Myxoma: Report of a Case].
2016
It is reported that 20% of cardiac myxomas are located in the right atrium. An 81-year-old man presented with dyspnea, general fatigue and leg edema lasting for a year. Echocardiography revealed an 80 mm tumor occupying the right atrium and the right ventricle. At surgery, the tumor attached to the atrial septum was removed with the surrounding septal wall. As the tricuspid annulus was dilated, tricuspid annuloplasty with an artificial ring was also carried out. After coming off cardiopulmonary bypass, the patient developed pulmonary hypertension with the pulmonary arterial pressure being 80% of the systemic pressure, which subsided gradually day by day. Histopathological diagnosis was cardiac myxoma. Postoperative lung perfusion scintigraphy revealed postoperative multiple defects. It was considered that multiple tumor embolisms in the distal pulmonary artery caused postoperative pulmonary hypertension. Careful follow-up for remote recurrence would be essential.
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