Impact on clinical outcomes of predilatation using the kissing-balloon technique for crossover stenting in true coronary bifurcation lesions.
2013
Abstract Provisional crossover stenting has the potential risk of side-branch (SB) compromise, which may result in periprocedural myocardial infarction. Predilatation is a useful technique to prevent SB compromise. The aim of this study was to assess the safety and efficacy of predilatation using the kissing-balloon technique (preKBT) during provisional crossover stenting compared with sequential predilatation on clinical outcomes in true coronary bifurcation lesions. We retrospectively evaluated 204 consecutive non-left main true bifurcation lesions (182 patients) in whom provisional crossover stenting was performed with preKBT (preKBT group, n = 144) or sequential predilatation (sequential group, n = 60) from March 2006 to February 2012. There were 30 lesions (20.8%) in the preKBT group that developed SB ostial dissection compared with 8 lesions (13.3%) in the sequential group (P=.241). There was no SB flow impairment or SB access failure due to SB ostial dissection. SB compromise (Thrombolysis in Myocardial Infarction
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