Main pulmonary artery cannulation and moderate hypothermic circulatory arrest can be a helpful surgical strategy for complete resection of right atrial myxomas originating from the inferior vena cava orifice.
Right atrial myxoma from IVC orifice resected completely with pulmonary artery cannulation and hypothermic arrest; extends surgical options but remains case-specific and hypothesis-generating.
Myxomas are the most common type of benign cardiac tumors, and the right atrium is the second most common location among them, with an incidence ranging from 8.6% to 20% of all cardiac myxomas. Herein, we described a rare case of right atrial myxoma originating from the inferior vena cava orifice. In this case, main pulmonary artery cannulation and moderate hypothermic circulatory arrest were helpful to obtain a clear and simple view of the operative field without blood, which led to complete resection of the tumor with safety and better outcomes with no future recurrence.
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Miki et al. (2024) studied this question.
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