| Clinical profile and outcomes of atrial fibrillation in elderly patients with acute myocardial infarction. | |
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MedLine Citation:
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PMID: 19102954 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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BACKGROUND: Atrial fibrillation (AF) occurs commonly in patients with acute myocardial infarction (MI) and is associated with an increased long-term mortality. This study aimed to investigate the clinical characteristics and outcomes of AF in in-hospital elderly Chinese patients with acute MI. METHODS: A total of 967 patients with acute MI, aged >/= 65 years, were categorized on the basis of the absence or presence of AF. Patients with documented AF were classified into two subgroups: the ongoing AF group and the new-onset AF group. We retrospectively evaluated the clinical profile, in-hospital outcomes, and effects of revascularization on the incidence of AF in elderly patients with acute MI. RESULTS: AF was documented in 100 (11.53%) patients and the incidence of new-onset AF was 6.51% during hospitalization. History of old MI and cerebrovascular events were more common in patients with AF than in those without AF (P < 0.001, P < 0.01, respectively). The incidence of AF was higher in patients with non-ST elevated MI (P = 0.014), inferior wall MI (P = 0.004) and cardiac function of Killip class III or IV (P = 0.008). Patients with AF had more complication of pneumonia (P = 0.003) and longer hospital stay. Left circumflex coronary artery involvement was more common in patients with AF (compared with patients without AF, P < 0.001). Percutaneous coronary intervention or coronary artery bypass grafting significantly decreased the incidence of new-onset AF from 7.97% to 3.82% (P = 0.017). AF depended to heart failure, increased the in-hospital mortality. CONCLUSIONS: AF is common in elderly patients with acute MI and is associated with poorer clinical outcomes. Revascularization reduces the incidence of AF and thus improves the clinical outcomes in these patients. |
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Authors:
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Kang Li; Yong Huo; Yan-sheng Ding |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Chinese medical journal Volume: 121 ISSN: 0366-6999 ISO Abbreviation: Chin. Med. J. Publication Date: 2008 Dec |
Date Detail:
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Created Date: 2008-12-23 Completed Date: 2009-03-26 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7513795 Medline TA: Chin Med J (Engl) Country: China |
Other Details:
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Languages: eng Pagination: 2388-91 Citation Subset: IM |
Affiliation:
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Department of Cardiology, Peking University First Hospital, Beijing 100034, China. |
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| MeSH Terms | |
Descriptor/Qualifier:
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Aged Aged, 80 and over Angioplasty, Transluminal, Percutaneous Coronary Atrial Fibrillation / complications, pathology*, therapy Coronary Artery Bypass Female Humans Inpatients / statistics & numerical data Male Myocardial Infarction / complications* Retrospective Studies Treatment Outcome |
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