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15.03.2016 | Original Article | Ausgabe 1/2017

Cardiovascular Intervention and Therapeutics 1/2017

Very long-term clinical and angiographic outcomes after sirolimus- and paclitaxel-eluting stent placement for ST-elevation myocardial infarction: a propensity score-matched comparison

Zeitschrift:
Cardiovascular Intervention and Therapeutics > Ausgabe 1/2017
Autoren:
Takashi Miyamoto, Tetsuya Ishikawa, Yosuke Nakano, Makoto Mutoh

Abstract

We conducted a retrospective examination of the very long-term outcomes of placing sirolimus (SES) and paclitaxel (PES)-eluting stents in patients with ST-elevation myocardial infarction (STEMI). This was a nonrandomized, retrospective, single-center study that included 872 first STEMI patients who underwent successful placement of either SES (n = 547) or PES from November 2004 to April 2012. The primary end point was the incidence of severe cardiac events comprising cardiac death, nonfatal recurrent myocardial infarction, and definite stent thrombosis (ST). The frequency of target lesion revascularization (TLR) was also compared. A propensity score-matched analysis was used to adjust the 29 baseline variables. In the baseline-adjusted cohorts in 231 STEMI patients in each arm, the frequency of the primary end point in the SES group (5.6 %) during the follow-up duration of 2583 ± 806 days was not significantly different from that in the PES group (6.1 %, follow-up: 1866 ± 699 days). The cumulative primary end point-free ratio in the SES group was not significantly different from that in the PES group (p = 0.503). The frequency of TLR in the SES group (7.5 %) was significantly lower than that in the PES group (16.9 %, p = 0.005), with and the significantly higher cumulative TLR-free ratio in the SES group than that in the PES group (p < 0.001). The very long-term clinical outcomes after SES or PES placement for STEMI patients were statistically equivalent. SES showed the better angiographic outcomes for STEMI compared to PES.

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