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Vol. 67. Issue 1.
Pages 60 (January 2014)
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Vol. 67. Issue 1.
Pages 60 (January 2014)
Image in cardiology
DOI: 10.1016/j.rec.2012.04.012
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Symptomatic Late-acquired Coronary Dissection: Value of Intracoronary Images
Disección coronaria diferida sintomática: valor de la imagen intracoronaria
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Roberto del Castillo Medina??
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rcastillo@fhalcorcon.es

Corresponding author:
, Lorenzo Hernando Marrupe, Javier Botas Rodríguez
Servicio de Cardiología, Hospital Universitario Fundación Alcorcón, Alcorcón, Madrid, Spain
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An 80-year-old man, who was hypertensive, diabetic, and a smoker, was referred to our center due to unstable angina. He had been admitted to another center 3 months previously for a non-Q-wave infarction where he underwent percutaneous revascularization of the anterior descending artery and proximal and middle portions of the right coronary artery using 3 standard stents.

Right coronary angiography showed a double lumen image in the middle third, coinciding with the artery portion treated previously, providing an angiographic image of apparent dissection (Figs. 1A-E, arrows). Intracoronary ultrasound confirmed the presence of various phenomena (Fig. 2): a) incorrect positioning and underexpansion of both distal stents (arrows); b) contrast transfer to a parallel space with a semicircular cross-section (asterisk); and c) persistence of the intima-medial interface in the vessel wall (arrow tip) and the presence of an intimal/neointimal layer covering the outer surface of the stent.

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The potential causes of these findings could have been the following: a) unsuitable selection of stent size in an artery with spasm and thrombus; b) partially subintimal trajectory of the stents; and c) dissection/intramural hematoma after stent implantation and late double lumen development due to reabsorption of the thrombotic content, or a combination of these causes.

An angioplasty was performed on the stent with appropriately-sized high pressure non-compliant balloons to position the stents properly and obliterate the adjacent lumen (Figs. 3A–E). The intracoronary ultrasound made a decisive contribution to the choice of materials and helped optimize the result.

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Copyright © 2012. Sociedad Española de Cardiología
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