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Circ J. 2012;76(1):71-8. Epub 2011 Dec 1.

Clinical outcomes following coronary stenting in Japanese patients treated with and without proton pump inhibitor.

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  • 1Department of Cardiovascular Medicine, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan.

Abstract

BACKGROUND:

The aim of this study was to examine the effect of proton-pump inhibitor (PPI) on clinical outcomes in Japanese patients who undergo coronary stent implantation.

METHODS AND RESULTS:

A total of 1,270 patients (males 915, 69 years) were enrolled and dual antiplatelet therapy of aspirin and a thienopyridine derivative was prescribed (clopidogrel 630, ticlopidine 640). Patients were divided into 2 groups treated with or without PPI. PPI was administered in 331 cases (26%), and non-PPI in 939 (74%). There were no significant differences in cardiovascular death (PPI vs. non-PPI: 5 vs. 11 cases), nonfatal myocardial infarction (3 vs. 5), and stroke (3 vs. 16) between PPI and non-PPI groups, but the ratio of gastrointestinal events had a higher tendency in non-PPI group compared with PPI group (1 vs. 17, P=0.08). In subgroup analysis of patients taking clopidogrel, or patients with acute coronary syndrome, there was no significant difference in the ratio of cardiovascular events (7 vs. 16, 6 vs. 17, NS). The non-PPI group had a tendency of an increased risk of gastrointestinal events compared with the PPI group (0 vs. 9, P=0.06; 1 vs. 7, P=0.14).

CONCLUSIONS:

In contrast to the negative drug interaction of PPI reported elsewhere, in the present study the intake of PPI was not associated with an increased risk for adverse clinical outcomes in patients treated with stents.

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PMID:
22130313
[PubMed - indexed for MEDLINE]
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