Korean Circ J.  2013 Jan;43(1):44-47. 10.4070/kcj.2013.43.1.44.

Utility of Optical Coherence Tomography to Assess a Hazy Intracoronary Image after Percutaneous Coronary Intervention

• Carrizo S
• Salinas P
• Jimenez-Valero S
• Moreno R

• KMID: 1723000
• DOI: http://doi.org/10.4070/kcj.2013.43.1.44

Abstract

Although its use in daily practice is not common, optical coherence tomography (OCT) is a powerful research tool in invasive cardiology. This report describes a hazy angiography image after percutaneous coronary intervention that has been assessed using OCT. Based on the results of the OCT, the patient underwent an elective coronary angioplasty with standard anticoagulation. After implantation of the stent, an intracoronary hazy image was seen on angiography. The use of OCT permitted a correct diagnosis and a successful treatment. This paper provides a discussion of the advantages and disadvantages of OCT, and a comparison with intravascular ultrasound.

Keyword

Tomography, optical coherence; Intravascular ultrasonography; Cardiac catheterization; Thrombosis; Stents

MeSH Terms

Angiography
Angioplasty
Cardiac Catheterization
Cardiology
Humans
Percutaneous Coronary Intervention
Stents
Thrombosis
Tomography, Optical Coherence
Ultrasonography, Interventional

Figure

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  Fig. 1 A severe lesion in the middle portion of the left anterior descendent coronary artery (arrow head).

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  Fig. 2 Intrastent luminal hazy image on the middle portion of the left anterior descendent coronary artery (arrow head).

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  Fig. 3 Optical coherence tomography imaging of left anterior descending artery. Distal (A): correct apposition of the stent without intraluminal content. Middle (B): a signal rich, low-backscattering protrusion image compatible with white thrombus (mark), which occupies the greater part of the vessel lumen. Proximal (C): stent malapposition (arrow head) in the proximal border, with small images of thrombus.

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  Fig. 4 Final optical coherence tomography imaging of the left anterior descending artery. There is almost complete reduction of the thrombus (arrow head) and correct apposition of the stent.

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