Clinical Presentation, Management, and Outcomes of Angiographically Documented Early, Late, and Very Late Stent Thrombosis

Objectives The aim of this study was to describe differences in treatment and in-hospital mortality of early, late, and very late stent thrombosis (ST). Background Early, late, and very late ST may differ in clinical presentation, management, and in-hospital outcomes. Methods We analyzed definite (a...

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Bibliographic Details
Published in:	JACC. Cardiovascular interventions 2012-02, Vol.5 (2), p.131-140
Main Authors:	Armstrong, Ehrin J., MD, Feldman, Dmitriy N., MD, Wang, Tracy Y., MD, MHS, MS, Kaltenbach, Lisa A., MS, Yeo, Khung-Keong, MBBS, Wong, S. Chiu, MD, Spertus, John, MD, Shaw, Richard E., PhD, Minutello, Robert M., MD, Moussa, Issam, MD, Ho, Kalon K.L., MD, Rogers, Jason H., MD, Shunk, Kendrick A., MD, PhD
Format:	Article
Language:	eng
Subjects:	acute coronary syndrome(s) Aged Angioplasty, Balloon, Coronary - instrumentation Cardiovascular cardiovascular outcomes Confidence Intervals Coronary Angiography - instrumentation Coronary Thrombosis - mortality Coronary Thrombosis - therapy Drug-Eluting Stents Female Hospital Mortality - trends Humans Logistic Models Male Middle Aged Multivariate Analysis Odds Ratio Registries Risk Assessment stent thrombosis Time Factors Treatment Outcome United States
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Summary:	Objectives The aim of this study was to describe differences in treatment and in-hospital mortality of early, late, and very late stent thrombosis (ST). Background Early, late, and very late ST may differ in clinical presentation, management, and in-hospital outcomes. Methods We analyzed definite (angiographically documented) ST cases identified from February 2009 to June 2010 in the CathPCI Registry. We stratified events by timing of presentation: early (≤1 month), late (1 to 12 months), or very late (≥12 months) following stent implantation. Multivariable logistic regression modeling was performed to compare in-hospital mortality for each type of ST after adjusting for baseline comorbidities. Results During the study period, 7,315 ST events were identified in 7,079 of 401,662 patients (1.8%) presenting with acute coronary syndromes. This ST cohort consisted of 1,391 patients with early ST (19.6%), 1,370 with late ST (19.4%), and 4,318 with very late ST (61.0%). Subjects with early ST had a higher prevalence of black race and diabetes, whereas subjects with very late ST had a higher prevalence of white race and a lower prevalence of prior myocardial infarction or diabetes. In-hospital mortality was significantly higher in early ST (7.9%) compared with late (3.8%) and very late ST (3.6%, p < 0.001). This lower mortality for late and very late ST persisted after multivariable adjustment (odds ratio: 0.53 [95% confidence interval (CI): 0.36 to 0.79] and 0.58 [95% CI: 0.43 to 0.79], respectively). Conclusions Significant differences exist in the presentation and outcomes of early, late, and very late ST. Among patients with acute coronary syndromes who are undergoing percutaneous coronary intervention for angiographically documented ST, early ST is associated with the highest in-hospital mortality.
ISSN:	1936-8798 1876-7605