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Objectives It is unknown whether the novel re-POT technique is more effective than commonly preferred kissing balloon inflation (KBI) in patients with non-complex coronary bifurcation lesions (CBL) treated with single-stent strategy. Our aim was to compare the efficacy of re-POT and KBI techniques in one-stent strategy of non-complex CBL. Methods 283 patients were retrospectively analyzed (re-POT group, n=149; KBI group, n=134). Primary end-points of the study were defined as; in-hospital and 30-day mortality, contrast induced acute kidney injury (CI-AKI), stent thrombosis (ST), side branch (SB) dissection and need for SB stenting. Characteristics of patients at baseline were balanced by using propensity score inverse probability weighting (IPW). Results Procedure time (minute, 30.6±8.5 vs 34.3±11.6; p=0.003) and contrast volume (mL, 153.7±42.4 vs 171.1±58.2; p=0.004) were significantly lower in re-POT group. Besides, SB residual stenosis and number of patients with &amp;gt;50% SB residual stenosis remained significantly higher in re-POT group both in general and true bifurcation subgroup analysis (20.3±19.8% vs 16.5±16.4%, p=0.02; 11.9% vs 5.7%, p=0.01 and 24.1±23.2% vs 18.8±18.7%, p=0.03; 17.6% vs 6.6%, p=0.005; respectively). Combined clinical adverse outcomes were similar between groups. (Figure 1) SB dissection (10.2% vs 20.1%, p=0.001) and need for SB stenting (12.6% vs 19%, p=0.04) were reached statistically significance in KBI group after adjustment. (Figure 2) Conclusions Re-POT may be a simple and safe technique with a shorter procedure time and lower incidence of adverse events in non-complex CBL treated with single-stent strategy. Funding Acknowledgement Type of funding sources: None. Adverse clinical outcomes; weighted

european heart journal

Comparative analysis of sequential pot-side-pot and kissing balloon techniques in patients with coronary bifurcation lesions treated with single stent strategy: propensity score analysis