What is more, there are some specific difficulties in angiographic assessment of bifurcation lesions due to the image foreshortening, vessel overlapping and presence of stent struts across the branch. Angiographic evaluation alone is sometimes imprecise and does not reflect the functional significance of lesions. Nevertheless, there is no established criterion as to which SB should be treated after main vessel stenting. ![]() The European Bifurcation Club recommends provisional single stent technique as the preferred strategy for most bifurcation lesions and recommends side branch (SB) stenting only if a significant flow limitation is present in a branch supplying a considerable myocardial territory. This occurrence is more notable for the era of bare metal stents (BMS) and early generation drug-eluting stents (DES). When compared with non-bifurcation interventions, bifurcation lesions have lower rate of procedural success and a higher rate of restenosis. ![]() Although during the last years significant progress has been made in interventional cardiology, bifurcation interventions remain a major therapeutic challenge with high early and late complication rates. Coronary bifurcation lesions represent nearly 20–25% of all percutaneous coronary interventions (PCI).
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