European Journal of Cardio-Thoracic Surgery Advance Access published April 9, 2015

Cite this article as: Lin T-W, Hu Y-N, Tsai W-C, Luo C-Y. A partly thrombosed, non-coronary sinus of Valsalva aneurysm. Eur J Cardiothorac Surg 2015; doi:10.1093/ejcts/ezv117.

A partly thrombosed, non-coronary sinus of Valsalva aneurysm Ting-Wei Lina, Yu-Ning Hua, Wei-Chuan Tsaib and Chwan-Yau Luoa,c,* a b c

Division of Cardiovascular Surgery, Department of Surgery, National Cheng-Kung University Hospital and College of Medicine, Tainan, Taiwan Division of Cardiovascular Medicine, Department of Internal Medicine, National Cheng-Kung University Hospital and College of Medicine, Tainan, Taiwan Cardiovascular Research Center, National Cheng-Kung University Hospital and College of Medicine, Tainan, Taiwan

* Corresponding author. Division of Cardiovascular Surgery, Department of Surgery, National Cheng-Kung University Hospital and College of Medicine, 138 Sheng-Li Road, Tainan 70428, Taiwan. Tel: +886-6-2353535; fax: +886-6-2095968; e-mail: [email protected] (C.-Y. Luo). Received 25 November 2014; received in revised form 11 February 2015; accepted 24 February 2015

Keywords: Aortic insufficiency • Thrombosis • Sinus of Valsalva aneurysm

A 61-year old woman presented with progressive dyspnoea, oedema of the lower extremities and a right parasternal diastolic murmur. Echocardiography demonstrated a partly thrombosed, unruptured, non-coronary sinus of Valsalva aneurysm that

mimicked a cardiac tumour, resulting in severe aortic insufficiency (Fig. 1, Videos 1 and 2). Computed tomographic angiography confirmed the diagnosis and she underwent successful surgical repair (Fig. 2).

Figure 1: (A) Transthoracic echocardiography initially showed a huge mass (asterisk) inside the left atrium in the parasternal long-axis view. The border between the mass and the aortic root was uneven, and there was significant aortic insufficiency. (B) A short-axis view at the aortic root level eventually revealed that the ‘intracardiac mass’ was an aneurysm with an intraluminal thrombus (asterisk) arising from the non-coronary sinus of Valsalva, with a significant asymmetrically elongated annulus. LA: left atrium.

© The Author 2015. Published by Oxford University Press on behalf of the European Association for Cardio-Thoracic Surgery. All rights reserved.

IMAGES IN CARDIOTHORACIC SURGERY

IMAGES IN CARDIO-THORACIC SURGERY

European Journal of Cardio-Thoracic Surgery (2015) 1–2 doi:10.1093/ejcts/ezv117

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T.-W. Lin et al. / European Journal of Cardio-Thoracic Surgery

Video 1: Live image of parasternal long-axis view of transthoracic echocardiography demonstrated a mass inside the left atrium. The cardiac mass was closely adjacent to the aortic root with an irregular border, which raised the suspicion of a thrombosed sinus of Valsalva aneurysm. Colour Doppler image showed significant aortic insufficiency; the mass also resulted in turbulent and reverse flow inside the left atrium, without interfering with the normal motion of the mitral valve.

Video 2: Live image of parasternal short-axis view of transthoracic echocardiography depicted the huge, non-coronary sinus of Valsalva aneurysm with an intraluminal thrombus and compression of the left atrium. No abnormal blood flow was detected between the aneurysm and the cardiac chambers, and thus there was no evidence of communication between the cardiac chambers and the aneurysm.

Figure 2: (A and B) Computed tomographic angiography showed the 8 cm, non-coronary sinus of Valsalva aneurysm with an intraluminal thrombus (asterisks) and externally compressed left and right atria. Significant aortic insufficiency and the aneurysm’s external compression of both atria contributed to the clinical manifestations of the patient. (C) After cardiopulmonary bypass and an aortotomy, a severely deformed aortic root geometry caused by the elongated annulus of the non-coronary cusp was noted, which made valve-sparing root replacement unfeasible. (D) A well-formed, laminated thrombus was found inside the aneurysm and was removed completely. The patient underwent successful composite aortic root replacement plus a porcine bioprosthetic valve implantation with reimplantation of both coronary buttons. RA: right atrium; LA: left atrium; A: aneurysm; L: left coronary cusp; R: right coronary cusp; N: non-coronary cusp.

A partly thrombosed, non-coronary sinus of Valsalva aneurysm.

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