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Coronary angioplasty of circumflex artery with anomalous origin of the left circumflex coronary artery from the right Sinus of Valsalva. Case report

Rodrigo A Martín, Ricardo M Cetera, Amalia Descalzo, Sergio Zolorza

Revista Argentina de Cardioangiología Intervencionista 2020;(2) | Doi: 10.30567/RACI/20202/0086-0087

Material web complementario al número impreso

We present a clinical case of infrequent finding in which the patient presents association of abnormal left coronary artery and obstructive atherosclerotic injury on the circumflex artery. Based on this condition we carry out a search on the existing bibliography.


Palabras clave: coronary anomaly, coronary angioplasty, stents.

Presentamos un caso clínico de hallazgo infrecuente en el cual el paciente presenta asociación de arteria coronaria izquierda anómala y lesión aterosclerótica obstructiva sobre la arteria circunfleja. En base a esta condición realizamos una búsqueda sobre la bibliografía existente.


Keywords: coronaria anómala, angioplastia coronaria, stent.


Los autores declaran no poseer conflictos de intereses.

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Recibido | Aceptado | Publicado 2020-06-30

Licencia Creative Commons
Esta obra está bajo una Licencia Creative Commons Atribución-NoComercial-SinDerivar 4.0 Internacional.

Figure 1. During the catheterization of the right coronary artery, the origin of ...

Figure 2. Identification of a significant lesion in the distal segment of the a...

Figura 3. Lesion crossed using a 0.014 in Floppy guidewire. Predilatation ...

Figura 4.Final result with resolution of the pre-existing lesion. No residual ...

Introduction

 

The origin of the left circumflex coronary artery from the right sinus of Valsalva a rare coronary anomaly with a rate between 0.2% and 1.2%. It usually does not have any clinical repercussions and its diagnosis is often an incidental finding. However,it can be associated with myocardial ischemia and even sudden death, especially in young people while doing physical activity. Atherosclerotic cardiovascular disease does not usually develop on an anomalous coronary trajectory.This is the case of a patient with obstructive coronary disease of circumflex artery andorigin of the left main coronary artery from right coronary sinus treated with a coronary angioplasty with stent.

 

Clinical case

 

Sixty-six year-old-male patient with positive cardiovascular risk factors for arterial hypertension, smoking, and dyslipidemia. His past clinical history revealed the presence of an ST-segment elevation acute coronary syndrome 2 years ago treated with a percutaneous transluminal coronary angioplasty of the right coronary artery. The patient has remained asymptomatic until 6 months ago prior to his consultation when he started showing signs of angina pectoris NYHA FC II. The SPECT performed confirmed the presence of moderate ischemia in the apical lateral, apical anterolateral, and anterolateral medial territory. The patient was referred to the interventional cardiology unit to be treated with a percutaneous coronary intervention.A cine coronary angiography was performed via femoral access using the 6-Fr Super Sheath introducer sheath (Boston Scientific) and 6-FR Judkins Left 3.5 and Judkins Right 3 Impulse diagnostic catheters (Boston Scientific). No significant angiographic lesions were found on the right coronary artery and the left main coronary artery originated from the right coronary sinus. At this level the presence of a significant occlusion from the middle segment of the circumflex artery was confirmed (figures 1 and 2).Using the femoral access (figures 3 and 4), a 6-Fr Super Sheath introducer sheath and a 6-Fr Convey Left guide catheter (Boston Scientific) were inserted through a Choice Floppy 0.014 in x 180 cm guidewire (Boston Scientific). The wire was positioned with difficulties given the severe tortuosityof the vessel in the distal segment of the circumflex artery. Dilatation with a 2.5 mm x 15 mm Emerge balloon (Boston Scientific) was attempted followed by the implantation of a 3.0 mm x 16 mm Promus Premier everolimus-eluting stent(Boston Scientific).

 

Discussion

 

The anomalies of coronary arteries found on the cine coronary angiography are a rare finding (1). Among these, the origin of the left main coronary artery from the right sinus of Valsalva is a very rare patternwhose rateis between 0.2%and 1.2% according depending on the series(5). Patients who are carriers of this anomaly are usually asymptomatic unless the anomalous trajectory of the vessel is located between the aorta and the pulmonary artery, which can lead to sudden death especially during physical activity(2). Here the rate of serious symptoms reported is around 20%.

The association between this anomaly and atherosclerotic cardiovascular disease is not a common finding. However, when it is present it rarely affects the anomalous segment. Obstructive atherosclerotic plaques located on the anomalous territory are often more aggressive and they occur in earlier stages from the pathophysiological point of view(3).

The coronary angiography is the imaging modality of choice to identify atherosclerotic lesions (4). However,it can cause some diagnostic problems during the 3D identification of the trajectory of the anomalous artery. In this sense, the multi-slice computed tomography (MSCT) can be useful because it provides a better view of the proximal portion, size, trajectory, and relation of the anomalous vessel to the surrounding structures.

In our case, the patient was in his sixth decade of life with a probably benign anomalous trajectory and a past medical history of atherosclerotic disease in the right coronary artery and additional studies that confirmed the presence of ischemia. For all these reasons, it was decided to perform a coronary angioplasty on the lesion found (6).

  1. Angelini P, Velasco JA, Flamm S. Coronary anomalies: incidence, pathophysiology, and clinical relevance. Circulation 2002; 105: 2449-2454.

  2. Chaitman BR, Lesperance J, Saltiel J, et al. Clinical, angiographic, and hemodynamic findings in patients with anomalous origin of the coronary arteries. Circulation 1976;53: 122-131.

  3. Click RL, Holmes DR, Jr, Vlietstra RE, et al. Anomalous coronary arteries: location, degree of atherosclerosis and effect on survival: a report from the Coronary Artery Surgery Study. J Am Coll Cardiol 1989; 13: 531-37.

  4. Gersony WM. Management of anomalous coronary artery from the contralateral coronary sinus. J Am Coll Cardiol 2007; 50: 2083-4.

  5. Ugalde H, Ramírez A, Ugalde D, Farías E, Silva AM. Nacimiento anómalo de l arterias coronarias en 10.000 pacientes adultos sometidos a coronariografía. Rev Med Chil 2010; 138: 7-14.

  6. Grasso AE, Pennell DJ. Myocardial infarction related to aberrant left circumflex artery, Int J Cardiol 2010; 138: 51-52.

Autores

Rodrigo A Martín
Hospital General de Agudos Presidente Perón. Avellaneda. Servicio de Cardiología Intervencionista y Hemodinamia.
Ricardo M Cetera
Hospital General de Agudos Presidente Perón. Avellaneda. Servicio de Cardiología Intervencionista y Hemodinamia.
Amalia Descalzo
Hospital General de Agudos Presidente Perón. Avellaneda. Servicio de Cardiología Intervencionista y Hemodinamia.
Sergio Zolorza
Hospital General de Agudos Presidente Perón. Avellaneda. Servicio de Cardiología Intervencionista y Hemodinamia. Buenos Aires, Rep. Argentina.

Autor correspondencia

Rodrigo A Martín
Hospital General de Agudos Presidente Perón. Avellaneda. Servicio de Cardiología Intervencionista y Hemodinamia.

Correo electrónico: roanmartin@hotmail.com.

Revista Argentina de Cardioangiología intervencionista
Web 2 | Volumen 10 | Año 2020

Titulo
Coronary angioplasty of circumflex artery with anomalous origin of the left circumflex coronary artery from the right Sinus of Valsalva. Case report

Autores
Rodrigo A Martín, Ricardo M Cetera, Amalia Descalzo, Sergio Zolorza

Publicación
Revista Argentina de Cardioangiología intervencionista

Editor
Colegio Argentino de Cardioangiólogos Intervencionistas

Fecha de publicación
2020-06-30

Registro de propiedad intelectual
© Colegio Argentino de Cardioangiólogos Intervencionistas

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