We assessed the impact of aspiration thrombectomy (AT) in patients with ST elevation
myocardial infarction undergoing primary percutaneous coronary intervention (PPCI)
on major adverse cardiac events at 30 days and 1-year mortality in 517 consecutive
patients who were included in the prospective, nationwide, multicenter, observational
Acute Coronary Syndrome Israeli Survey in 2010. Two hundred seventeen patients (42%)
underwent AT (AT-PPCI) and 300 patients conventional (C) PPCI. Both groups had similar
infarct-related artery distribution and ostial or proximal culprit lesion. Patients
in AT-PPCI versus C-PPCI had lower systolic blood pressure and worse Killip class
on admission, more frequent Thrombolysis In Myocardial Infarction flow 0 or 1 before
PPCI (80% vs 56%), less frequent restoration of flow after indwelling a guidewire
in the infarct-related artery (32% vs 52%), and more use of IIb/IIIa glycoprotein
inhibitors (69% vs 49%), respectively (p ≤0.05 for all comparisons). Thirty-day major
adverse cardiac events was similar in the AT-PPCI and C-PPCI groups, 10.6% versus
9.7%, p = 0.73; adjusted odds ratio 0.97, 95% confidence interval 0.45 to 2.10, p =
0.95. One-year mortality was lower in the AT-PPCI versus C-PPCI group, 3.7% versus
6.7%, p = 0.13; adjusted hazard ratio 0.31, 95% confidence interval 0.10 to 0.96,
p = 0.042. In conclusion, this study of consecutive patients with ST elevation myocardial
infarction undergoing PPCI demonstrates that AT was an independent predictor of reduced
1-year mortality.
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Article info
Publication history
Published online: December 13, 2013
Accepted:
November 14,
2013
Received in revised form:
November 14,
2013
Received:
August 13,
2013
Footnotes
Drs. Moriel and Gottlieb contributed equally to this work.
See page 813 for disclosure information.
Identification
Copyright
© 2014 Elsevier Inc. Published by Elsevier Inc. All rights reserved.