Journal
INTERNATIONAL JOURNAL OF CARDIOLOGY
Volume 230, Issue -, Pages 585-591Publisher
ELSEVIER IRELAND LTD
DOI: 10.1016/j.ijcard.2016.12.052
Keywords
Acute heart failure syndromes; New York Heart Association functional class; In-hospital outcome; Assessment
Categories
Funding
- Japan Heart foundation
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Background: It remains unclear whether there are subgroups of acute heart failure syndromes (AHFS) patients in whom New York Heart Association (NYHA) class IV symptoms at admission is related to a higher risk of mortality because of the heterogeneity of this patient population. The aim of this study was to evaluate the association of NYHA class IV symptoms at baseline with in-hospital mortality in subgroups of patients with AHFS. Methods and Results: Of the 4842 patients enrolled in the Acute Decompensated Heart Failure Syndromes (ATTEND) registry, 4786 patients were included in this analysis. The primary endpoint was in-hospital all-cause death. NYHA class IV at baseline was detected in 44.3% of the patients. The all-cause death rate was significantly higher in patients with NYHA class IV than in those with NYHA class II or III (9.0% vs. 4.3%, P < 0.001). To examine the heterogeneity of the association between NYHA class IV symptoms at baseline and in-hospitalmortality, subgroup analyses were performed. As a result, the presence of NYHA class IV symptoms on admission was associated with a significantly higher risk of all-cause death in patients aged >= 75 years, female patients, patients without an idiopathic dilated etiology, and patients with preserved ejection fraction (EF). Conclusions: This study demonstrated that an age >= 75 years, female gender, the absence of idiopathic dilated etiology, and a preserved EF should be considered when assessing the clinical significance of NYHA class IV symptoms in relation to the risk of in-hospital mortality in patients hospitalized for AHFS. (C) 2016 Elsevier Ireland Ltd. All rights reserved.
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