Japanese Coronary Intervention Using Drug Eluting and Perfusion Therapy for Left Main Disease (JDEPTH-LM Registry)

JDEPTH-LM Registry is a prospective observational multi-center study. The investigators will enroll and treat patients in the registry who meet the selection criteria under usual care and for whom PCI with W-KBT following on crossover stenting for LMT-LAD direction, proximal optimization technique (POT), and conventional kissing balloon technique (C-KBT) is the optimal treatment. The operators shall obtain oral or written consent from patients who meet the criteria before performing PCI, indicating the intention to perform PCI with W-KBT, and shall keep records. The investigators will continuously register cases attempting PCI with W-KBT according to the protocol and evaluate its efficacy and safety using data from this multi-center registry.