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Outcomes in patients with acute and stable coronary syndromes: insights from the prospective NOBORI-2 study

Mamas

Outcomes in patients with acute and stable coronary syndromes: insights from the prospective NOBORI-2 study Thumbnail


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Abstract

BACKGROUND: Contemporary data remains limited regarding mortality and major adverse cardiac events (MACE) outcomes in patients undergoing PCI for different manifestations of coronary artery disease. OBJECTIVES: We evaluated mortality and MACE outcomes in patients treated with PCI for STEMI (ST-elevation myocardial infarction), NSTEMI (non ST-elevation myocardial infarction) and stable angina through analysis of data derived from the Nobori-2 study. METHODS: Clinical endpoints were cardiac mortality and MACE (a composite of cardiac death, myocardial infarction and target vessel revascularization). RESULTS: 1909 patients who underwent PCI were studied; 1332 with stable angina, 248 with STEMI and 329 with NSTEMI. Age-adjusted Charlson co-morbidity index was greatest in the NSTEMI cohort (3.78±1.91) and lowest in the stable angina cohort (3.00±1.69); P<0.0001. Following Cox multivariate analysis cardiac mortality was independently worse in the NSTEMI vs the stable angina cohort (HR 2.31 (1.10-4.87), p?=?0.028) but not significantly different for STEMI vs stable angina cohort (HR 0.72 (0.16-3.19), p?=?0.67). Similar observations were recorded for MACE (<180 days) (NSTEMI vs stable angina: HR 2.34 (1.21-4.55), p?=?0.012; STEMI vs stable angina: HR 2.19 (0.97-4.98), p?=?0.061. CONCLUSIONS: The longer-term Cardiac mortality and MACE were significantly worse for patients following PCI for NSTEMI even after adjustment of clinical demographics and Charlson co-morbidity index whilst the longer-term prognosis of patients following PCI STEMI was favorable, with similar outcomes as those patients with stable angina following PCI.

Acceptance Date Jan 8, 2014
Publication Date Feb 14, 2014
Publicly Available Date Mar 28, 2024
Journal PLoS One
Print ISSN 1932-6203
Publisher Public Library of Science
Pages e88577 -?
DOI https://doi.org/10.1371/journal.pone.0088577
Keywords coronary artery disease, major adverse cardiac events, MACE, acute coronary syndrome, demography, drug-eluting stents, Kaplan-Meier estimate, percutaneous coronary intervention, proportional hazards models
Publisher URL http://dx.doi.org/10.1371/journal.pone.0088577

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