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JACC Cardiovasc Interv. 2011 Feb;4(2):149-54. doi: 10.1016/j.jcin.2010.10.012.

Effectiveness of paclitaxel-eluting balloon catheter in patients with sirolimus-eluting stent restenosis.

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Department of Cardiology, Kurashiki Central Hospital, Kurashiki, Japan.



The aim of this study was to investigate the efficacy of a paclitaxel-eluting balloon (PEB) for the treatment of sirolimus-eluting stent (SES) restenosis.


Because drug-eluting stents (DES) are being used in increasingly complicated settings, DES restenosis is no longer an uncommon phenomenon, and its optimal treatment is unknown.


This study was a prospective single-blind randomized trial conducted in 50 patients with SES restenosis. Patients were randomly assigned to a PEB group (n = 25) or a conventional balloon angioplasty (BA) group (n = 25). The primary end point was late lumen loss at 6-month follow-up. Secondary end points included the rate of binary restenosis (in-segment analysis) and major adverse cardiac events (MACE) at 6-month follow-up.


At 6-month angiographic follow-up (follow-up rate: 94%), in-segment late lumen loss was lower in the PEB group than in the BA group (0.18 ± 0.45 mm vs. 0.72 ± 0.55 mm; p = 0.001). The incidence of recurrent restenosis (8.7% vs. 62.5%; p = 0.0001) and target lesion revascularization (4.3% vs. 41.7%; p = 0.003) was also lower in the PEB group than in the BA group. The cumulative MACE-free survival was significantly better in the PEB group than in the BA group (96% vs. 60%; p = 0.005).


In patients with SES restenosis, PEB provided much better clinical, angiographic outcomes than conventional BA.

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