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  • Title: The long-term clinical outcome of T-stenting and small protrusion technique for coronary bifurcation lesions.
    Author: Naganuma T, Latib A, Basavarajaiah S, Chieffo A, Figini F, Carlino M, Montorfano M, Godino C, Ferrarello S, Hasegawa T, Kawaguchi M, Nakamura S, Colombo A.
    Journal: JACC Cardiovasc Interv; 2013 Jun; 6(6):554-61. PubMed ID: 23683737.
    Abstract:
    OBJECTIVES: This study sought to report long-term clinical outcomes in patients treated with the provisional T-stenting and small protrusion (TAP) technique. BACKGROUND: Several strategies have been proposed for treating bifurcation lesions, each with its own merits and technical challenges. The TAP technique is a relatively new strategy that is technically less challenging, ensures complete coverage of the side-branch ostium, and minimizes stent overlap. Although there is reasonable amount of data for other bifurcation strategies, the long-term clinical outcomes for TAP technique are limited. METHODS: We retrospectively evaluated all patients who underwent TAP technique with drug-eluting stents between July 2005 and January 2012. The measured endpoints at follow-up were major adverse cardiac events defined as composite of cardiac death, myocardial infarction, and target vessel revascularization. RESULTS: A total of 95 patients (81.1% men) with a mean age of 64.8 years underwent TAP stenting. Procedural success was achieved in 100% of cases. True bifurcation was observed in 75 (78.9%) patients. First-generation drug-eluting stents were used in 55.8% of patients. The outcome rates at 3-year follow-up of major adverse cardiac events, cardiac death/follow-up myocardial infarction, target vessel revascularization, and target lesion revascularization were 12.9%, 3.1%, 9.7%, and 5.1%, respectively. There were no cases of follow-up myocardial infarction or stent thrombosis (definite and probable). CONCLUSIONS: These results demonstrate that TAP technique is associated with acceptable clinical outcomes with no episodes of definite and probable stent thrombosis. Further studies should compare TAP technique with other 2-stent strategies.
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