1. Frequency-domain optical coherence tomography assessment of unprotected left main coronary artery disease - a comparison with intravascular ultrasound

    Frequency-domain optical coherence tomography assessment of unprotected left main coronary artery disease - a comparison with intravascular ultrasound

    Objectives: To investigate safety and feasibility of imaging unprotected left main (ULM) using frequency-domain optical coherence tomography (FD-OCT) compared with intravascular ultrasound (IVUS). Background: IVUS has been used to assess and guide percutaneous coronary intervention (PCI) of ULM disease. FD-OCT offers 10-fold higher axial resolution than IVUS and its high-speed image acquisition obviates the need for proximal balloon occlusion. Methods: We prospectively enrolled 35 consecutive patients with ULM disease. FD-OCT and IVUS assessments were attempted pre- and post-PCI and compared in regards to safety, ability to image the region of interest (ROI), number of pullbacks, volume of contrast and ability ...

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