Why the study?
Cardiac myxomas carry an increased risk of sudden death and thromboembolic complications requiring early surgical management, after which conduction disorders such as complete AVB can occur.
Case Report (n=1)
No
Answers are grounded in this paper and cite their sources.
Surgeons should monitor for delayed AV block after left atrial myxoma resection; this case leaves open its incidence and risk factors.
Cardiac myxomas constitute the most frequent forms of primitive and benign heart tumors. The left atrial location is by far the most frequent. The variability of their clinical symptomatology is related to size, mobility and location of the mass. Their diagnosis is first and foremost echocardiographic. This pathology has an increased risk of sudden death and thromboembolic complications therefore requiring early surgical management. We report the case of a 38-year-old patient with a dyspnea Stade III NYHA whose clinical examination objectified a breath of mitral narrowing. Echocardiography made possible the diagnosis of left atrium myxoma with the beginning of entrapment in the mitral valve histologically confirmed after an urgent surgical resection. The patient presented a complete AVB successfully set right after surgery. Cardiac myxomas are pathologies with serious complications involving patient’s life and functional prognosis. Conduction disorders are part of the rhythmic complications encountered in post-operative state.
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Othende et al. (2023) conducted a case report in Left atrial myxoma complicated by post-operative complete atrioventricular block (n=1). Urgent surgical resection of left atrial myxoma, pericardial patch closure of interatrial septum defect, and De Vega tricuspid valve annuloplasty was evaluated on Post-operative complete atrioventricular block requiring dual-chamber pacemaker implantation.
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