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Giant sinus of Valsalva aneurysm in a foetus

Published online by Cambridge University Press:  24 September 2012

Inguna Lubaua ,
Ilze Priedite  and
David Anderson
Inguna Lubaua*
Affiliation:
Department of Pediatrics, Riga Stradins University, Pediatric Cardiology and Cardiothoracic Clinic, Children's Clinical University Hospital, Riga, Latvia
Ilze Priedite
Affiliation:
Department of Radiology, Stradins Clinical University Hospital, Riga, Latvia
David Anderson
Affiliation:
Department of Cardiac Surgery, Evelina Children's Hospital, Guy's & St Thomas NHS Foundation Trust, London, United Kingdom
*
Correspondence to: Dr I. Lubaua, Department of Pediatrics, Riga Stradins University, Pediatric Cardiology and Cardiothoracic Clinic, Children's Clinical University Hospital, Vienibas gatve 45, Riga LV 1004, Latvia. Tel:+37167064491; Fax: +37167064491; E-mail: Inguna.Lubaua@rsu.lv
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Abstract

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Keywords

Sinus of Valsalva aneurysmcongenital heart diseasefoetal echocardiography

Information

Type
Images in Congenital Cardiac Disease
Information
Cardiology in the Young , Volume 23 , Issue 2 , April 2013 , pp. 267 - 268
Copyright
Copyright © Cambridge University Press 2012 

We report the case of an unusual presentation of an asymptomatic giant aneurysm of the right sinus Valsalva diagnosed prenatally and successfully treated at 8 weeks of age. Aneurysm of the sinus of Valsalva is a rare malformation, which contributes to less than 1% of congenital cardiac abnormalities.Reference Ring 1 It is uncommon during infancy. Thus, there are no previously reported cases of the presentation of aneurysm of the sinus of Valsalva in a foetus.

The presence of a gigantic cystic mass (Fig 1a) without obvious blood flow within the right atrium was suspected during the routine second trimester scan. There was no obstruction of blood flow or evidence of cardiac compromise. There were no additional cardiac or extracardiac abnormalities found. The size of the mass was increasing proportionally to the size of the heart through the pregnancy.

Figure 1

Foetal (a) and postnatal (b) echocardiogram. Computed tomography (c). The asterisk shows giant aneurysm. Ao = the aorta.

The baby was delivered at term with no evidence of cardiac failure, heart murmur, or arrhythmia. A postnatal echocardiogram (Fig 1b) confirmed prenatal findings. The infant was thriving and remained asymptomatic. Computed tomography revealed the diagnosis of sinus Valsalva aneurysm with dislocation of the right coronary artery (Fig 1c). In order to prevent rupture of the aneurysm and risk of sudden death, elective surgery was performed. Using cardiopulmonary bypass, the aorta was clamped and the aneurysm opened. This revealed a 10-millimeter communication with the aorta. The aortic valve was normal but the right coronary arose from the non-coronary sinus very close to the commissure. The aortic defect was closed with a patch of donor pulmonary artery homograft. The aneurysm sac was excised. The bypass time was 49 minutes and cross-clamp 32 minutes (Fig 2a and b).

Figure 2

(a) The unopened aneurysm; (b) The pulmonary artery patch in position before weaning from bypass.

The post-operative course was uneventful. The baby remains well and asymptomatic 6 months after the surgery. A follow-up echocardiogram confirmed no evidence of aortic regurgitation and an otherwise normal heart.

References

1. Ring, WS. Congenital Heart Surgery Nomenclature and Database Project: aortic aneurysm, sinus of Valsalva aneurysm, and aortic dissection. Ann Thorac Surg 2000; 69: S147–S163.Google Scholar
Figure 0

Figure 1 Foetal (a) and postnatal (b) echocardiogram. Computed tomography (c). The asterisk shows giant aneurysm. Ao = the aorta.

Figure 1

Figure 2 (a) The unopened aneurysm; (b) The pulmonary artery patch in position before weaning from bypass.