1. Optical coherence tomography: new (near-infrared) light on stent implantation?

    Optical coherence tomography (OCT) is an imaging technique, based on near-infrared light, that allows cross-sectional imaging of biological systems. The technique is based on the measurement of optical reflections of biological tissues. An optical signal transmitted through or reflected from a biological tissue contains time-to-flight information which in turn yields spatial information about tissue microstructure (1). While first used in ophthalmology to assess non-invasively the human retina, it has been recently applied to cardiology to allow an invasive visualization of the vessel wall of the coronary arteries from inside the lumen, through a dedicated wire (where the OCT probe is ...
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