Background: The differences of heart failure exacerbating factors between octogenarians and non-octogenarians are not well investigated. Methods: We enrolled 135 patients re-hospitalized with heart failure in 2015. We divided them into Oct group (80 years and over; n = 68) and non-Oct group (under 80 years; n = 67). We compared exacerbating factors and brain natriuretic peptide change between the two. Results: Oct group had significantly higher BNP level at discharge than Non-Cot group. As for exacerbating factors, the incidence of infection and lung disease was tended to be high and excessive salt and/or water intake was tended to be low in Oct group (Table 1). Conclusion: In octogenarians with heart failure, infection and lung disease are more likely to become exacerbating factor and BNP still remain high after treatment.
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