Honma, . Fumitaka
Tanaka, . Kenyu
Sato, . Toshiyuki
Onoda, . Toshiaki
Sakai, . Osamu
Nishiyama, . Tatsuya
Matsumoto, . Masayuki
Onodera, . Kiyomi
Sakata, . Motoyuki
Sex specific temporal trends in the incidence and prevalence of hospitalization for heart failure (HF), particularly in conjunction with reduced and preserved left ventricular ejection fraction (EF) remain unclear, especially in Asian general populations. We conducted a community based HF registration study over a 10 year period in an aging cohort of the Japanese general population. A total of 2598 cases of hospitalized HF were registered during the survey period. Of these 1413 cases (55%) were initial admissions for HF (incident case). The study period was divided into five 2-year terms (T1, 2003–2004, T2, 2005–2006, T3, 2007–2008, T4, 2009–2010, T5, 2011–2012), and data were compared among the terms. Age adjusted incidence of HF (per 105 person-year) remained stable in men, but decreased significantly by 25% in women (from 104 at T1 to 79 at T5, p for trend < 0.05). Among incident cases who underwent echocardiography (≈ 90%), the proportion of HF with preserved EF increased in men (from 32% at T1 to 43% at T5, p for trend < 0.05), and was relatively high and remained stable throughout the study period in women (from 52% at T1 to 58% at T5, p for trend, NS). Although the incidence of HF has declined especially in women between 2003 and 2012 in the study population, the proportion of HF with preserved EF has increased over time. These trends suggest a future prevalence of HF with preserved EF rather than HF with reduced EF in aging Asian populations.
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Published on 19/05/17Submitted on 19/05/17
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