ArticleJournal of medical case reports2026
Large left atrial myxoma with functional mitral stenosis: a case report.
Article in Journal of medical case reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
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4 authors.
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Abstract
backgroundLeft atrial myxomas are rare, potentially life-threatening benign cardiac tumors. Early surgical excision is recommended to prevent embolic events, obstruction, and sudden death. A 72-year-old Turkish woman presented with exertional dyspnea and palpitations. Transthoracic echocardiography demonstrated a 4.7 cm × 2.7 cm mobile left atrial mass attached to the interatrial septum and prolapsing into the mitral orifice with a mean transmitral gradient of 9 mmHg and no evidence of embolization. Elective median sternotomy under cardiopulmonary bypass via a right atriotomy-transseptal approach enabled en bloc excision with primary septal closure. Postoperative transesophageal echocardiography confirmed complete resection with preserved mitral valve function, and the mean transmitral gradient fell immediately to ~1.3-1.4 mmHg, indicating prompt hemodynamic normalization. Recovery was uneventful, and the patient was discharged on postoperative day 8. DISCUSSION: This case demonstrates the rapid reversal of myxoma-related functional mitral stenosis following valve-sparing transseptal excision, with immediate normalization of the mean transmitral gradient.
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