Trombo recanalizado em artéria coronária: documentação por tomografia de coerência óptica de causa de haziness angiográfico

Abstract

A 57-year-old male patient with a history of myocardial infarction two months before was treated conservatively. Coronary angiography evidenced a single lesion in the middle segment of the right coronary artery, with intraluminal haziness and preserved distal flow (Thrombolyis in Myocardial Infarction [TIMI] 3) (Figure 1).An evaluation with optical coherence tomography was performed in order to assess the morphology and Figures 1 and 2 show a complex structure, with the vascular lumen divided into multiple cavities separated by high-intensity tissue and low attenuation of the optical signal, suggesting the presence of an organized, white, recanalized thrombus, which was crossed using a 0.014-inch hydrophilic guide with mouldable tip. . The optical coherence tomography images 1 and 10 indicate the references of the stenotic segment, while images 2 to 9 represent sections of the vessel along the stenotic segment, which measured 18.2 mm in length. The presence of multiple intraluminal cavities can be observed, separated by tissue septa with high intensity and low attenuation of the light signal, and smooth inner surface, consistent with the presence of an organized, white, recanalized thrombus.