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Heart failure complicating non-ST-segment elevation acute coronary syndrome: timing, predictors, and clinical outcomes
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2013 (English)In: JACC. Heart failure, ISSN 2213-1779, E-ISSN 2213-1787, Vol. 1, no 3, 223-229 p.Article in journal (Refereed) Published
Abstract [en]

OBJECTIVES: This study sought to describe the occurrence and timing of heart failure (HF), associated clinical factors, and 30-day outcomes in patients with non-ST-segment elevation acute coronary syndromes (NSTE-ACS). BACKGROUND: Little is known about HF-complicating NSTE-ACS. METHODS: Using pooled patient-level data from 7 clinical trials from 1994 to 2008, we describe the occurrence and timing of HF, associated clinical factors, and 30-day outcomes in NSTE-ACS patients. HF at presentation was defined as Killip classes II to III; patients with Killip class IV or cardiogenic shock were excluded. New in-hospital cases of HF included new pulmonary edema. After adjusting for baseline variables, we created logistic regression models to identify clinical factors associated with HF at presentation and to determine the association between HF and 30-day mortality. RESULTS: Of 46,519 NSTE-ACS patients, 4,910 (10.6%) had HF at presentation. Of the 41,609 with no HF at presentation, 1,194 (2.9%) developed HF during hospitalization. A total of 40,415 (86.9%) had no HF at any time. Patients presenting with or developing HF during hospitalization were older, more often female, and had a higher risk of death at 30 days than patients without HF (adjusted odds ratio [OR]: 1.74; 95% confidence interval: 1.35 to 2.26). Older age, higher presenting heart rate, diabetes, prior myocardial infarction (MI), and enrolling MI were significantly associated with HF during hospitalization. CONCLUSIONS: In this large cohort of NSTE-ACS patients, presenting with or developing HF during hospitalization was associated with an increased risk of 30-day mortality. Research targeting new strategies to prevent and manage HF in this high-risk population is needed.

Place, publisher, year, edition, pages
2013. Vol. 1, no 3, 223-229 p.
Keyword [en]
acute coronary syndromes, heart failure, non-ST-segment elevation, outcomes, timing
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Cardiac and Cardiovascular Systems
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URN: urn:nbn:se:uu:diva-245844DOI: 10.1016/j.jchf.2013.02.007ISI: 000209535500007PubMedID: 24621874OAI: oai:DiVA.org:uu-245844DiVA: diva2:791594
Available from: 2015-03-01 Created: 2015-03-01 Last updated: 2017-12-04Bibliographically approved

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James, Stefan

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