Resting heart rate at hospital admission and its relation to hospital outcome in patients with heart failure.
نویسندگان
چکیده
BACKGROUND Resting heart rate (HR) has been proven to influence long-term prognosis in patients with chronic heart failure (HF). The aim of this study was to assess the relationship between resting HR at hospital admission and hospital outcome in patients with HF. METHODS The study included Polish patients admitted to hospital due to HF who agreed to participate in Heart Failure Pilot Survey of the European Society of Cardiology. RESULTS The final analysis included 598 patients. Median HR at hospital admission was 80 bpm. In univariate analyses, higher HR at admission was associated with more frequent use of inotropic support (p = 0.0462) and diuretics (p = 0.0426), worse clinical (New York Heart Association - NYHA) status at discharge (p = 0.0483), longer hospital stay (p = 0.0303) and higher in-hospital mortality (p = 0.003). Compared to patients who survived, patients who died during hospitalization (n = 21; 3.5%) were older, more often had a history of stroke or transient ischemic attack and were characterized by higher NYHA class, higher HR at admission, lower systolic and diastolic blood pressure at admission, lower ejection fraction, lower glomerular filtration rate, and lower natrium and hemoglobin concentrations at hospital admission. In multivariate analysis, higher HR at admission (OR 1.594 [per 10 bpm]; 95% CI 1.061-2.395; p = 0.0248) and lower natrium concentration at admission (OR 0.767 [per 1 mmol/L]; 95% CI 0.618-0.952; p = 0.0162) were the only independent predictors of in-hospital mortality. CONCLUSIONS In patients with HF, higher resting HR at hospital admission is associated with increased in-hospital mortality.
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عنوان ژورنال:
- Cardiology journal
دوره 21 4 شماره
صفحات -
تاریخ انتشار 2014