Key result
A single-stent strategy for coronary bifurcation lesions significantly reduced early definite stent thrombosis compared to a double-stent strategy (0.26% vs 1.14%; P=0.021).
Why the study?
Does a single-stent strategy reduce definite stent thrombosis compared to a double-stent strategy in patients undergoing bifurcation PCI?
Meta-Analysis (n=3,107)
Does a single-stent strategy reduce definite stent thrombosis compared to a double-stent strategy in patients undergoing bifurcation PCI?
Absolute Event Rate: 0.26% vs 1.14%
p-value: p=0.021
A single-stent strategy for coronary bifurcation lesions significantly reduces the risk of early definite stent thrombosis compared to a double-stent strategy.
Supports single-stent strategy in bifurcation PCI to reduce early stent thrombosis; reinforces meta-analyses favoring provisional stenting.
BACKGROUND: Bifurcation percutaneous coronary intervention (PCI) is a challenging procedure, but there are currently inadequate data about definite stent thrombosis (ST) rates of single-stent versus double-stent strategies (SS and DS, respectively). METHODS AND RESULTS: Randomized clinical trials (RCTs) comparing SS and DS strategies were searched through PubMed, Embase, and the Cochrane Central Register of Controlled Trials. Fourteen RCTs involving 3,107 patients were analyzed. Owing to the high crossover rate (16.49%), both intention-to-treat (ITT) and as-treated (AT) analyses were performed. In the ITT population, there was a significantly lower rate of early definite ST in the SS group (0.26%; DS group 1.14%; P = 0.021). Similarly, in the AT population, there was a significantly lower rate of early definite ST in the SS group (0.23%, DS group 1.07%; P = 0.042). True bifurcation subgroup analysis also showed a significantly lower early definite ST in the SS group (OR = 0.36, 95% CI = 0.15-0.86, P = 0.042) in the ITT population. There was no significant difference of overall, acute, subacute, and late definite ST between the 2 groups. CONCLUSIONS: Early definite ST is reduced when a SS strategy is used in bifurcation lesions.
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Zhou et al. (2017) conducted a meta-analysis in Coronary bifurcation lesions (n=3,107). Single-stent strategy vs. Double-stent strategy was evaluated on Early definite stent thrombosis (p=0.021). A single-stent strategy for coronary bifurcation lesions significantly reduced early definite stent thrombosis compared to a double-stent strategy (0.26% vs 1.14%; P=0.021).
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