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Catheter Cardiovasc Interv. 2013 Nov 1;82(5):E637-46. doi: 10.1002/ccd.24778. Epub 2013 Jul 30.

Long-term clinical outcomes with the use of a modified provisional jailed-balloon stenting technique for the treatment of nonleft main coronary bifurcation lesions.

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Department of Medicine, Division of Cardiology, Washington University School of Medicine, St. Louis, Missouri.



To assess the long-term clinical outcomes associated with treatment of nonleft main coronary bifurcation lesions using a modified provisional jailed-balloon technique (JBT).


Percutaneous coronary intervention (PCI) of bifurcation lesions is associated with a higher risk of adverse events, including the risk of side branch (SB) loss during main branch (MB) stenting.


From 4/2003 to 8/2010, 406 patients with 424 nonleft main coronary bifurcation lesions underwent PCI with (n = 95) and without (n = 311) the use of JBT. Rates of SB loss and long term clinical outcomes [death, myocardial infarction (MI), and target lesion revascularization (TLR)] were compared between patients undergoing PCI with and without JBT using univariate and propensity score adjusted and matched analyses.


The majority of patients presented with acute coronary syndrome (63%) and 90% of lesions were Medina class 1,1,1. Patients were followed for a mean of 2.7 ± 2.1 years. After propensity score matching (n = 81 in each group), JBT was associated with a significantly lower composite rate of death, MI, or TLR (HR 0.22, 95% CI 0.06-0.76; P = 0.02) and TLR (HR 0.20, 95% 0.04-0.92; P = 0.04) compared with no JBT. Permanent SB loss was significantly lower in the JBT group compared with no JBT group (OR 0.22, 95% CI 0.10-0.49; P = 0.0001).


The use of JBT for the treatment of nonleft main coronary bifurcation lesions was associated with significantly lower rates of SB loss and major adverse cardiac events at late follow-up.


coronary bifurcation; percutaneous coronary intervention; provisional stenting

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