Left atrial myxoma can rarely present as an acute myocardial infarction due to coronary embolism, and surgical resection is curative with excellent outcomes.
Myxoma may explain rare embolic MI; single case leaves open need for prospective incidence data.
A case of multiple embolisms in the left coronary artery as a rare first manifestation of left atrial myxoma is reported. A patient with embolic myocardial infarction and congestive heart failure was treated by percutaneous aspirations and balloon dilatations. Transesophageal echocardiography disclosed a villous myxoma with high embolic potential. Surgical resection of the tumour, suturing of a patent foramen ovale suture and an annuloplasty of the dilated tricuspid annulus was performed the third day after the admission. Recovery of the documented left ventricular systolic function can be explained by resorption of myxomatous material. The patient was discharged ten days after the surgery.
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Novák et al. (2017) studied this question.
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