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- Academic Editors
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†These authors contributed equally.
Background: Provisional stenting is the preferred strategy for non-left
main bifurcation lesions. However, its superiority over planned double stenting
for unprotected left main distal bifurcation (UPLMB) lesions remains unclear.
Previous studies have reported conflicting results. Methods: Randomised
controlled trials (RCTs) and observational studies comparing the outcomes of
provisional stenting to planned double stenting for UPLMB lesions were
identified. The primary endpoint was major adverse cardiac events (MACE). The
secondary endpoints were myocardial infarction (MI), target vessel
revascularisation (TVR), target lesion revascularisation (TLR), all-cause death,
cardiac death and stent thrombosis (ST). Aggregated odds ratios (OR) and 95%
confidence intervals were calculated. A sensitivity analysis was conducted
if I