Left atrial appendage aneurysm: correlation of noninvasive with clinical and surgical findings: report of a case.

Abstract

Congenital left atrial appendage aneurysm is rarely diagnosed on the basis of an abnormal cardiac silhouette. Patients with a left atrial appendage aneurysm often present with symptoms of systemic emboli or supraventricular arrhythmias. A patient with left atrial appendage aneurysm was diagnosed by correlation of two noninvasive techniques echocardiography and radionuclide scintiscanning. Angiography was confirmatory and aneurysmectomy was successfully performed.

Aneurysm of the left atrial appendage

“…Exceptions are the patient reported by Parmley (10) who had an ejection murmur due to an asSociated atrial septal defect and two patients (5, 7) in Whom mitral regurgitation was responsible for a pansystolic murmur. The electrocardiogram is normal or may show notching of the P wave (5,6,10).…”

“…By rotating the sound beam more to the left, as described in two recent papers (6, 11) one might have been able to delineate a fluid filled space in a position lateral and posterior to the heart. The diagnosis of a blood filled sac may also be reached by radionuclide precordial scanning (3,6).…”

Aneurysm of the Left Atrial Appendage

“…The mean age at presentation is 26 years [5], when arrhythmias or systemic embolizations occur [6]. They present in healthy young patients with an abnormal chest X-ray [3,4,[6][7][8].…”

Defeito do anel fibroso mitral posterior com aneurisma de átrio esquerdo e insuficiência mitral: tratamento cirúrgico com sucesso

“…Entretanto, nenhuma alteração radiológica é patognomônica da lesão (2,16,17) . O ecocardiograma transtorácico constitui excelente método diagnóstico na avaliação não-invasiva do átrio esquerdo, valva mitral e ventrículo esquerdo (18)(19)(20) .…”

“…Os acidentes tromboembólicos, as arritmias e a insuficiência cardíaca são as três principais complicações (12,16,(25)(26)(27)(28)(29) . Não há relato na literatura de rotura de aneurismas de átrio esquerdo, embora haja a possibilidade de rotura, espontânea ou traumática (11) .…”