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Angio-guided PCI is limited in recognising a re-crossing position. Angio-guided PCI is limited in recognising a re-crossing position whether it is a proximal or distal cell, while OFDI-guided PCI can confirm the re-crossing position. Hence, angio-guided PCI would lead to either an optimal or a suboptimal result, while OFDI-guided PCI would lead to an optimal result.
