Does the Morphology of Atrial Septal Aneurysm Influence Cerebral Arterial Embolus Occurrence?

Kurzawski, Jacek; Janion, Marianna; Sielski, Janusz

doi:10.1111/j.1540-8175.2007.00500.x

Cited by 3 publications

(2 citation statements)

References 25 publications

(117 reference statements)

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“…ASA has been demonstrated to be an independent predictor of an embolic event in multivariate analyses (5,13), while the prevalence of ASA in patients with cerebral ischemia was 27.7% and it was the only potential cardiac source of embolism in patients <45 years of age (13). However, ASA was not significantly associated with ischemic stroke unless concomitant with PFO, particularly in patients aged <55 years (14)(15)(16). In addition, patients suffering from stroke comorbid with PFO and ASA were at a high risk of recurrent stroke (17).…”

Section: Discussionmentioning

confidence: 99%

Electrocardiography‑gated dual‑source computed tomography in the detection of atrial septal aneurysm

et al. 2018

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The aim of the current study was to investigate the atrial septal aneurysm (ASA) incidence rate and describe its morphologic features by dual-source computed tomography (DSCT). A total of 8,626 patients (4,284 men and 4,342 women) who underwent DSCT examinations were enrolled. The presence of ASA was defined as the protrusion of the complete or partial interatrial septum with a maximum vertical distance (MVD) from the atrial septum plane of >10 mm during a cardiac cycle and a diameter of the aneurysm base of >15 mm. The MVD and direction of the protrusion, as well as other abnormalities, were recorded. The ASA patients were classified by both gender and directions of protrusion into four groups, including the right atrium (RA) and left atrium (LA) groups in males and females, respectively. Values across groups were compared using the independent-sample t-test and differences in qualitative variables were assessed with the χ 2 test. Of the 8,626 patients, 51 (0.6%) were diagnosed with ASA (mean age, 62±10 years), including 23 (0.5%) males and 28 (0.6%) females. There were no significant differences in the age (t=-1.37, P>0.05) and incidence rate (χ 2 =0.43, P>0.05) between the male and female groups. However, there were significant differences in the mean ages (t=-2.20, P<0.05) and the gender proportions (χ 2 =7.39, P<0.05) of patients in the RA and LA groups. In the two male groups, no significant differences were observed in the diameters of the ASA bases and MVD in the RA and LA groups. In the female groups, the differences in the MVD of protrusion in RA and LA groups were non-significant, whereas the diameters of the base of ASA demonstrated significant differences (t=2.27, P<0.05). In conclusion, the ASA incidence rate was 0.6%, and electrocardiography-gated DSCT scan served as an alternative diagnostic technique for the detection of ASA. It is essential for radiologists to recognize this clinical entity and to minimize misdiagnoses and missed diagnoses

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Section: Discussionmentioning

confidence: 99%

Electrocardiography‑gated dual‑source computed tomography in the detection of atrial septal aneurysm

et al. 2018

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“…There has been less evidence A B implicating the ASA as a primary source for thrombus formation. 2 However, the geometry of a large ASA can promote left atrial stasis, poor flow, and hence thrombus formation. 3 While this patient did not have evidence of a left atrial thrombus, the presence of significant spontaneous echo contrast reflects the stagnant blood flow in the LA.…”

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Spontaneous Echo Contrast at a Large Inter‐Atrial Septal Aneurysm

et al. 2013

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Mini‐Abstract A 75‐year‐old woman presented with typical atrial flutter. Prior to ablation, a transesophageal echocardiogram demonstrated significant spontaneous echo contrast (SEC) at the site of a large inter‐Atrial septal aneurysm (ASA). After ablation of the arrhythmia, recovery of her left ventricular function, and 3 months of therapeutic anticoagulation with warfarin, she continued to have significant SEC at the site of her ASA, implicating the ASA as the source for the SEC.

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Age-dependent association between aneurysmal and isolated redundant inter-atrial septum with patent foramen ovale

Zoroufian,

Lotfi-Tokaldany,

Davarpasand

et al. 2024

Int J Cardiovasc Imaging

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Does the Morphology of Atrial Septal Aneurysm Influence Cerebral Arterial Embolus Occurrence?

Abstract: Ischemic events were not significantly correlated with the ASA presence. The present findings suggest other causes of vascular events in patients with ASA.

Cited by 3 publications

References 25 publications

Electrocardiography‑gated dual‑source computed tomography in the detection of atrial septal aneurysm

Electrocardiography‑gated dual‑source computed tomography in the detection of atrial septal aneurysm

Spontaneous Echo Contrast at a Large Inter‐Atrial Septal Aneurysm

Age-dependent association between aneurysmal and isolated redundant inter-atrial septum with patent foramen ovale

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