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  • The Internet Journal of Thoracic and Cardiovascular Surgery
  • Volume 13
  • Number 2

Original Article

Giant left ventricular saccular true aneurysm at posterobasal localization

A Gurbuz, U Yetkin, B Ozcem, N Postaci?, ? Yurekli

Keywords

posterobazal, saccular, true, ventricular aneurysm

Citation

A Gurbuz, U Yetkin, B Ozcem, N Postaci?, ? Yurekli. Giant left ventricular saccular true aneurysm at posterobasal localization. The Internet Journal of Thoracic and Cardiovascular Surgery. 2008 Volume 13 Number 2.

Abstract

Postinfarction ventricular aneurysms may be either true or false.In this study ,we report a case of giant left ventricular saccular true aneurysm at posterobasal localization.

 

Introduction

“True” aneurysm is a progressive dilatation and thinning of the ventricular wall, with parietal fibrotic degeneration(1). We present a case because of the rarity of a saccular configuration of a left ventricular aneurysm.

Case Presentation

A 49-year-old male was admitted to our Department of Cardiology with complaints of chest pain and shortness of breath. His past medical history was significant for myocardial infarction experienced 20 years ago. His transthoracic echocardiography revealed a true aneurysm located at inferobasal part of the left ventricle, with a wide neck of 32x30 mm. Subsequent coronary angiography and left ventriculography showed a large saccular aneurysm located posterobasally (Figure 1).

Figure 1
Figure 1: View of the large true aneurysm located posterobasally shown at preoperative left ventriculography

Our case was taken to the operating room with ongoing symptoms and known large left ventricular aneurysm. His heart was elevated upwards and to the right, exposing the aneurysmal sac completely (Figure 2).

Figure 2
Figure 2: Perioperative view of the large true aneurysm located posterobasally.

Then, a longitidunal incision was made to open the aneurysmal sac. A large amount of thrombus material was observed within the aneurysmal cavity with a sac orifice of 2.5 cm in diameter. Thrombotic material was then removed (Figure 3).

Figure 3
Figure 3:Large amount of thrombotic material observed after opening of the saccular wall.

A polytetrafluoroethylene (Goretex®,W.L.Gore&Associates,AH1382-ML1) patch was placed according to endoventricular circular patch plasty technique to repair the saccular orifice, without disrupting the ventricular geometry (Figure 4).

Figure 4
Figure 4: Repair of the orifice of the aneurysmal sac according to endoventricular patch plasty technique

Surrounding aneurysmal tissue walls were sutured linearly with teflon felts to cover the patch. Postoperative histopathologic investigations confirmed a true aneurysm. Transthoracic echocardiography showed a rise in left ventricular ejection fraction from 45% to 55% (Figure 5).

Figure 5
Figure 5: Postoperative control transthoracic echocardiographic view (LV: left ventricle, LA: left atrium, P: patch)

Discussion

A true aneurysm is thinning of the left ventricular wall as a consequence of progressive ventricular dilation due to fibrotic degeneration. Five-year survival rate is about 8-12% with medical therapy, whereas it reaches 75-90% with surgical correction (2,3). Endoventricular circular patch-plasty is a safe technique used for repair of left ventricular aneurysms with low mortality- and morbidity rates. This technique provides both hemodynamic improvement and, in long term, a better functional capacity(4,5).

References

1. Piccone U, Saviotti M, Pala M, Caprari M. Pseudoaneurysm and aneurysm of the left ventricle. Discription of a case and long-term follow-up. Minerva Cardioangiol 1997;45(5):245-50.
2. Pretre R, Linka A, Jenni R, Turina MI. Surgical treatment of acquired left ventricular pseudoaneurysms. Ann Thorac Surg 2000; 70:553-7.
3. Demirkılıç U, Kuralay E, Yılmaz AT ve ark. Anjiografik olarak akinetik ve diskinetik sol ventrikül anevrizmalarında anevrizmektominin operatif mortaliteye etkisi. Türk Göğüs Kalp Damar Cer Derg 1997;5:242-7.
4. Dor V, Sabatier M, Di Donato M, et al. Efficacy of endoventricular patch plasty in large postinfarction akinetic scar and severe left ventricular dysfunction: Comparison with a series of large dyskinetic scars. J Thorac Cardiovasc Surg 1998;116:50-9.
5. Vicol C, Rupp G, Fisher S, et al. Linear repair versus ventricular reconstruction for treatment of left ventricular aneurysm: a 10-year experience. J Cardiovasc Surg (Torino) 1998;39:461-7.

Author Information

Ali Gurbuz
Department of Cardiovascular Surgery(CVS), İzmir Atatürk Training and Research Hospital

Ufuk Yetkin
Department of Cardiovascular Surgery(CVS), İzmir Atatürk Training and Research Hospital

Barç?n Ozcem
Department of Cardiovascular Surgery(CVS), İzmir Atatürk Training and Research Hospital

Nursen Postaci?
Department of Cardiovascular Surgery(CVS), İzmir Atatürk Training and Research Hospital

?smail Yurekli
Department of Cardiovascular Surgery(CVS), İzmir Atatürk Training and Research Hospital

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