Paroxysmal atrial fibrillation originating from giant right atrial appendage aneurysm

Fang, Zhi; Zeng, Ling Antonia; Chen, Yuhua; Cui, Kaijun

doi:10.1093/eurheartj/ehv357

Cited by 4 publications

(8 citation statements)

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“…Fibrosis of the atrial endo/myocardium is a common histological finding in RAA aneurysm . Structural, contractile, or electrical atrial changes are associated with the onset and progression of atrial fibrillation . The cardiac MRI with LGE allows for the detection and quantification of fibrotic tissue via the slow washout kinetics of the gadolinium in diseased tissue .…”

Section: Discussionmentioning

confidence: 99%

Multimodality imaging of an asymptomatic giant right atrial appendage aneurysm

et al. 2020

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Right atrial appendage (RAA) aneurysm is a rare congenital cardiac abnormality thought to be caused by dysplasia of the muscular wall of the RA and RAA. Structural, contractile, or electrical atrial changes are associated with the onset and progression of atrial fibrillation. The RAA aneurysm can have various symptoms, such as thromboembolic complications. Diagnosis of RAA aneurysm greatly depends on imaging modalities, among which echocardiography is the most widely used one. Echocardiography is very effective in discovering the aneurysm, distinguishing it from other abnormalities such as pericardial cysts, Ebstein's anomaly and cor triatriatum, and detecting intracardiac thrombosis or blood flow limitations. Cardiac magnetic resonance imaging and computed tomography are important complementary examinations. They may provide more details on the neighboring structures of the aneurysm, especially when echocardiographic images are suboptimal.

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Section: Discussionmentioning

confidence: 99%

Multimodality imaging of an asymptomatic giant right atrial appendage aneurysm

et al. 2020

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“…This conservative approach has been supported in the literature for patients who are asymptomatic and elderly [ 1 , 6 , 8 ]. Conversely, in patients who are younger, symptomatic, or who have evidence of thrombosis, surgical excision appears to be the preferred therapy [ 2 , 5 , 12 – 15 ]; a Cox-maze procedure may also be performed to treat concomitant arrhythmias [ 10 , 14 ]. The rarity of RAA aneurysms makes it difficult to determine whether such an intervention confers a survival benefit, however [ 20 ].…”

Section: Discussionmentioning

confidence: 99%

“…A literature review published in 2014 found that the highest prevalence of RAA aneurysms was in the third decade of life, with cases noted from the perinatal period to 72 years of age [ 4 ]. Since this review was published, however, there have been several additional pediatric cases reported [ 5 – 9 ].…”

Section: Introductionmentioning

confidence: 99%

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Use of cardiovascular magnetic resonance in the evaluation of a giant right atrial appendage aneurysm: a case report and review of the literature

et al. 2017

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BackgroundRight atrial appendage aneurysms are rare entities that may have significant clinical consequences. When co-existing with atrial fibrillation, patients are at risk of developing pulmonary or paradoxical systemic emboli.Case presentationAn elderly patient presented to medical attention with symptoms of acute diverticulitis. On abdominal computed tomography, a massively enlarged right atrial appendage aneurysm was discovered incidentally. The aneurysm caused marked compression of the right ventricle and contained an area of hypoenhancement concerning for an intraluminal thrombus. Gadolinium-enhanced cardiovascular magnetic resonance was performed and first-pass perfusion images demonstrated that the area of hypoenhancement was in fact poorly mixing blood. The patient was therefore managed medically.ConclusionRight atrial appendage aneurysms are infrequently encountered cardiac abnormalities. In the literature, surgery has been offered to patients who are young, symptomatic, or have evidence of thrombotic disease, although whether this practice pattern is associated with superior clinical outcomes is unclear. In the present case, gadolinium-enhanced cardiovascular magnetic resonance imaging was used to exclude the presence of intraluminal thrombus in an elderly patient, which helped orient the patient’s treating team towards medical—rather than surgical—therapy.Electronic supplementary materialThe online version of this article (10.1186/s13104-017-3046-2) contains supplementary material, which is available to authorized users.

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“…6 The common arrhythmias are supraventricular arrhythmias such as AF. 7 While symptomatic patients and those with an enlarging aneurysm should undergo surgical resection, a conservative approach has been recommended for asymptomatic patients. 6 Asymptomatic patients managed conservatively should receive anticoagulation for the prevention of thrombus formation.…”

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Giant Right Atrial Aneurysm　― Multimodality Imaging ―

Nam

Lee

2017

Circ J

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nation was normal. Routine laboratory tests including cardiac troponin and N-terminal pro-B-type natriuretic peptide were also normal. Chest radiography showed a triangular shaped cardiomegaly with a bulging right cardiac border ( Figure 1A). Transthoracic echocardiography A 51-year-old man was referred to cardiology for evaluation of a dilatation of the right atrium (RA), which was found incidentally on chest computed tomography (CT) during postoperative follow-up for colon cancer. He had no cardiac symptoms and physical exami-

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Paroxysmal atrial fibrillation originating from giant right atrial appendage aneurysm

Cited by 4 publications

References 0 publications

Multimodality imaging of an asymptomatic giant right atrial appendage aneurysm

Multimodality imaging of an asymptomatic giant right atrial appendage aneurysm

Use of cardiovascular magnetic resonance in the evaluation of a giant right atrial appendage aneurysm: a case report and review of the literature

Giant Right Atrial Aneurysm　― Multimodality Imaging ―

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Paroxysmal atrial fibrillation originating from giant right atrial appendage aneurysm

Cited by 4 publications

References 0 publications

Multimodality imaging of an asymptomatic giant right atrial appendage aneurysm

Multimodality imaging of an asymptomatic giant right atrial appendage aneurysm

Use of cardiovascular magnetic resonance in the evaluation of a giant right atrial appendage aneurysm: a case report and review of the literature

Giant Right Atrial Aneurysm ― Multimodality Imaging ―

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Giant Right Atrial Aneurysm　― Multimodality Imaging ―