Key result
Excision of a right atrial myxoma at its base combined with cryoablation of its stalk successfully removed the tumor while preserving the atrioventricular conduction system.
Case Report (n=1)
No
Cryoablation of the stalk of a right atrial myxoma arising from the Koch's triangle may be a safe alternative to full-thickness excision to preserve the atrioventricular conduction system in patients with compromised cardiac function.
Supports feasibility of stalk cryoablation to preserve AV conduction; hypothesis-generating and should not yet change practice.
A 78-year-old caucasian patient with compromised cardiac function presenting recurrent episodes of pulmonary embolism was referred to our center for resection of a voluminous right atrial myxoma arising from the Koch's triangle. To preserve the conduction system, we performed an excision of the myxoma associated with cryoablation of its stalk. This case is of special interest for discussing possibilities of preservation of the atrioventricular conduction system in such situations, provided that the contemporary literature does not propose concrete guidelines.
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Marinakis et al. (2013) conducted a case report in Right atrial myxoma (n=1). Excision and cryoablation was evaluated on Preservation of atrioventricular conduction and tumor removal. Excision of a right atrial myxoma at its base combined with cryoablation of its stalk successfully removed the tumor while preserving the atrioventricular conduction system.
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