Prenatal diagnosis of membranous ventricular septal aneurysms and their association with absence of atrioventricular valve ‘offsetting’

Espinoza, Jimmy; Kalache, Karim; Gonçalves, Luís F.; Lee, W.; Chaiworapongsa, Tinnakorn; Schoen, Mary E.; Devers, Patricia; Treadwell, Marjorie C.; Mazor, Moshe; Romero, Roberto

doi:10.1002/uog.1769

Cited by 19 publications

(18 citation statements)

References 44 publications

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“…In particular, VSAs have been found to occur in association with VSDs in 19% of cases. VSAs have also been reported in isolation without an accompanying VSD, as demonstrated by our two cases; however, this is a rare manifestation and is usually diagnosed incidentally [2, 5]. …”

Section: Discussionmentioning

confidence: 54%

Incidental Discovery of a Membranous Ventricular Septal Aneurysm in Two Dissimilar Patients

Naidu

Ricketts

Goela

et al. 2012

Case Reports in Cardiology

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A ventricular septal aneurysm (VSA) is a rare cardiac anomaly, and an accurate statistic of its prevalence has not been reported in the literature. True incidence is likely underestimated as most patients are thought to be asymptomatic. As a result, most VSAs are discovered incidentally on echocardiography, during angiography, or at autopsy. Potential complications include rupture, bacterial endocarditis, right ventricular outflow tract obstruction, and thromboembolic disease. It has been proposed that VSAs occur in association with ventricular septal defects (VSDs) and other congenital cardiac abnormalities. It is uncommon for a VSA to exist in the absence of a known prior ventricular septal defect. We present two cases, each highlighting an incidental intact aneurysm involving the membranous interventricular septum. We discuss the contrast in the two patients with regard to their age, accompanying cardiac anomalies and cardiovascular fitness. Clinical implications of the condition are reviewed.

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Section: Discussionmentioning

confidence: 54%

Incidental Discovery of a Membranous Ventricular Septal Aneurysm in Two Dissimilar Patients

Naidu

Ricketts

Goela

et al. 2012

Case Reports in Cardiology

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“…Membranous part has a neural crest origin, which connects the upper free margin of the bulboventricular flange and anterior and posterior endocardial cushions of atrio ventricular canal. 3 Absence of myocardium in the membranous region makes it vulnerable to develop IVMS when predisposed to high pressure gradient. 1 …”

Section: Discussionmentioning

confidence: 99%

Interventricular Membranous Septal Aneurysm Incidentally Diagnosed during Computed Tomographic Angiography in a Patient with Infrequent Supraventricular Tachycardia

Sharma

Elmi

2017

Clinics and Practice

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Interventricular membranous septal (IVMS) aneurysm is a rare condition with no accurate incidence. It is known to be associated with 0.3 % of congenital heart disease and 19 % of ventricular septal defects. IVMS aneurysm is often asymptomatic but can be complicated with right ventricular obstruction, rupture, thromboembolism, and conduction defects. Clinicians and radiologist should be aware about this rare clinical entity and evaluation of any possible underlying cardiac abnormalities should be performed. Conservative management with close follow up is the mainstay of management in the absence of complication.

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“…Diagnosis of IVS aneurysm has been reported to be possible in intrauterine echocardiography. 5 The aneurysm is mostly involved in the membranous part of IVS and may create defect in atrioventricular valves. 5 Frequent complications are rupture of aneurysm, subacute bacterial endocarditis, thromboembolism, and obstruction of the RVOT.…”

Section: Discussionmentioning

confidence: 99%

“…5 The aneurysm is mostly involved in the membranous part of IVS and may create defect in atrioventricular valves. 5 Frequent complications are rupture of aneurysm, subacute bacterial endocarditis, thromboembolism, and obstruction of the RVOT. 3 Patient presentation depends on many factors like size of VSD, severity of PS, direction of shunt, amount of hypertrophic RV, and MAPCA.…”

Section: Discussionmentioning

confidence: 99%

Intraoperative Echocardiographic Detection of Septal Aneurysm and Additional Ventricular Septal Defect in a Child with Tetralogy of Fallot

Das¹

2017

Journal of Perioperative Echocardiography

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A 2-year-old child was diagnosed with subaortic ventricular septal defect (VSD) with severe infundibular and valvular pulmonary stenosis (PS) by transthoracic echocardiography. Intraoperative transesophageal echocardiography (TEE) detected aneurysmal interventricular and interatrial septum (IAS), subaortic VSD, and right ventricular outflow tract (RVOT) with an additional midmuscular VSD. The aneurysmal interventricular septum (IVS) was repaired. An accessory tricuspid papillary muscle was attached to RVOT, which was augmented with a transannular pericardial patch to have minimal postoperative gradient without sacrificing the accessory papillary muscle (APM). This rare case poses a challenge to the anesthetist and surgeon in the form of diagnostic differences, severe right ventricle (RV) dysfunction with aneurysmal IVS, and difficulty in reconstruction of RVOT. Intraoperative TEE played a greater role to diagnose the IVS aneurysm, additional VSD and guide for appropriate surgery.

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Prenatal diagnosis of membranous ventricular septal aneurysms and their association with absence of atrioventricular valve ‘offsetting’

Abstract: ABSTRACT

Cited by 19 publications

References 44 publications

Incidental Discovery of a Membranous Ventricular Septal Aneurysm in Two Dissimilar Patients

Incidental Discovery of a Membranous Ventricular Septal Aneurysm in Two Dissimilar Patients

Interventricular Membranous Septal Aneurysm Incidentally Diagnosed during Computed Tomographic Angiography in a Patient with Infrequent Supraventricular Tachycardia

Intraoperative Echocardiographic Detection of Septal Aneurysm and Additional Ventricular Septal Defect in a Child with Tetralogy of Fallot

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