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A case-based illustration of the use of microcatheter pressure transduction for confirmation of distal wire position in complex percutaneous coronary intervention
AbstractDetermining distal wire position during chronic total occlusion percutaneous coronary intervention can be challenging. We describe a novel technique that can help confirm distal true lumen wire position. A microcatheter is advanced distally over the wire and after removing the guidewire, it is connected to a manifold for pressure transduction: an arterial waveform is indicative of intra-luminal position.