Mitro-aortic aneurysms in children: single-centre experience and review of the literature

Magalhães, Mauro de Oliveira; Bakero, Luís; Fragata, José; Paramés, Filipa; Freitas, Isabel Cristina Martins de; Rebelo, Mónica; Martins, José Diogo Ferreira; Trigo, Conceição; Pinto, Fátima F.

doi:10.1017/s1047951113000590

Cited by 6 publications

(6 citation statements)

References 20 publications

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“…[1][2][3] Pseudoaneurysm formation has also been reported as a "congenital" diagnosis in cases where preceding infection, trauma, or surgery have not been documented. [4][5][6][7][8] Gelehrter et al 4 reported seven patients with pseudoaneurysms originating from the aorto-mitral intervalvular fibrosa. All except one patient had associated CHD, preceding cardiac intervention, infection, or trauma.…”

Section: Discussionmentioning

confidence: 99%

Congenital pseudoaneurysm of the mitral–aortic intervalvular fibrosa: a case report

2017

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The mitral-aortic intervalvular fibrosa is an area of fibrous continuity between the mitral and aortic valves. We present the first case of a congenital pseudoaneurysm in this region, detected prenatally as an isolated cardiac defect, which was followed-up conservatively postnatally. The diagnosis was confirmed by echocardiogram demonstrating blood flow into the pouch during systole and into the left ventricular outflow tract during diastole. The infant has been followed-up with serial echocardiograms demonstrating stable size and appearance of the lesion, without signs of obstruction, making close continued observation a reasonable approach.

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Section: Discussionmentioning

confidence: 99%

Congenital pseudoaneurysm of the mitral–aortic intervalvular fibrosa: a case report

2017

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“…Successful repair was first described by Waldhausen et al . in 1966 13 , and we have demonstrated several cases of successful resection in children (Cases 1–3 and 6–8) 6,10 . Clinicians should monitor asymptomatic patients closely for pseudoaneurysm enlargement and encroachment of nearby structures, as well as associated thrombus formation and rupture.…”

Section: Discussionmentioning

confidence: 76%

“…Pseudoaneurysm of this area is rare and has been reported mostly in adult patients following trauma, cardiac surgery or endocarditis 1,3 . Several case studies have described its occurrence in children following cardiac surgery 4,5 or endocarditis 6,7 , with few case reports describing the congenital nature of these pseudoaneurysms 5,6,[8][9][10] . Prenatal diagnosis of pseudoaneurysm of the MAIVF indicates that this abnormality can be congenital.…”

Section: Etiology and Pathophysiologymentioning

confidence: 99%

Prenatally diagnosed pseudoaneurysm of mitral–aortic intervalvular fibrous area

Hogan

Punn

Dean

et al. 2022

Ultrasound in Obstet & Gyne

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The mitral-aortic intervalvular fibrosa (MAIVF) is an avascular, fibrous structure that provides continuity between the anterior leaflet of the mitral valve and the aortic valve. Pseudoaneurysm of the MAIVF is rare and has been most commonly described in adults and, more rarely, in children following cardiac surgery or endocarditis. Few reports have been published on cases with congenital pseudoaneurysm of the MAIVF. Here, we describe five cases of congenital pseudoaneurysm of the MAIVF identified prenatally and an additional six cases diagnosed postnatally. This is an unusual finding of varying clinical significance, which can be isolated or associated with complex congenital heart disease but, importantly, can be identified and monitored in the fetus.

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“…References of all included articles were searched for any additional reports. There were a total of 46 pediatric patients aged 0–21 years in 35 reports, including our case 1–34 . P‐MAIVF cause was assigned based on the original authors of the reports.…”

Section: Resultsmentioning

confidence: 99%

Pseudoaneurysm of the mitral‐aortic intervalvular fibrosa following endocarditis and aortic valve surgery in an infant—Case report and exhaustive systematic review of pediatric cases

2020

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Pseudoaneurysm of the mitral‐aortic intervalvular fibrosa (P‐MAIVF) continues to be a rare diagnosis in children. Etiology, presentation, and management strategies are considerably different from adults. We report a fatal case of P‐MAIVF with classical transthoracic and transesophageal echocardiographic findings complemented by CT imaging. The natural course of uncomplicated/asymptomatic P‐MAIVF is largely unknown since most patients are offered surgery. We present an extensive literature review of pediatric P‐MAIVF and highlight important differences from the adult form of this disease.

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Mitro-aortic aneurysms in children: single-centre experience and review of the literature

Abstract: Pseudoaneurysm of the mitral-aortic intervalvular fibrosa is a rare but potentially fatal anomaly. In our experience, surgical cure was achieved for the majority of the cases, except for a case for which infection could not be locally eradicated, leading to multiple reinterventions.

Cited by 6 publications

References 20 publications

Congenital pseudoaneurysm of the mitral–aortic intervalvular fibrosa: a case report

Congenital pseudoaneurysm of the mitral–aortic intervalvular fibrosa: a case report

Prenatally diagnosed pseudoaneurysm of mitral–aortic intervalvular fibrous area

Pseudoaneurysm of the mitral‐aortic intervalvular fibrosa following endocarditis and aortic valve surgery in an infant—Case report and exhaustive systematic review of pediatric cases

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