European heart journal. Quality of care & clinical outcomes · 2019
Causes of death in Japanese patients with atrial fibrillation: The Fushimi Atrial Fibrillation Registry.
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An Yoshimori, Ogawa Hisashi, Yamashita Yugo, Ishii Mitsuru, Iguchi Moritake, Masunaga Nobutoyo, Esato Masahiro, Tsuji Hikari, Wada Hiromichi, Hasegawa Koji, Abe Mitsuru, Lip Gregory Y H, Akao Masaharu
Аннотация
AIMS: To investigate the causes of death and the associated clinical factors in patients with atrial fibrillation (AF) in the contemporary clinical practice.
METHODS AND RESULTS: The Fushimi AF Registry is a community-based prospective survey of AF patients since March 2011 in Fushimi-ku, Kyoto. We investigated causes of death and the clinical indicators of cardiovascular (CV) and non-CV death in 4045 patients with available follow-up data by the end of November 2016. The mean age was 73.6 ± 10.9 years and the mean CHA2DS2-VASc score was 3.38 ± 1.69. Oral anticoagulants were prescribed in 55% of patients. During a median follow-up of 1105 days, there were 705 all-cause deaths (5.5%/year); 180 CV (26% of total deaths), 381 non-CV (54%), and 144 undetermined causes (20%). The most common causes of CV and non-CV death were heart failure (14.5%), malignancy (23.1%), and infection/sepsis (17.3%), while mortality due to stroke was only 6.5%. Mortality due to infection/sepsis and undetermined causes increased with aging. On multivariate analysis, the strongest indicator of CV death was pre-existing heart failure [hazard ratio (HR) 2.42, 95% confidence interval (CI) 1.66-3.54; P < 0.001] and that of non-CV death was anaemia (HR 2.84, 95% CI 2.22-3.65; P < 0.001).
CONCLUSION: In a Japanese community-based AF cohort, CV death was not mainly related to stroke but to heart failure. Non-CV death, mainly malignancy and infection, comprised more than a half of all deaths, which increased substantially in accordance with aging. Clinical factors that were associated with CV and non-CV death were distinct.
METHODS AND RESULTS: The Fushimi AF Registry is a community-based prospective survey of AF patients since March 2011 in Fushimi-ku, Kyoto. We investigated causes of death and the clinical indicators of cardiovascular (CV) and non-CV death in 4045 patients with available follow-up data by the end of November 2016. The mean age was 73.6 ± 10.9 years and the mean CHA2DS2-VASc score was 3.38 ± 1.69. Oral anticoagulants were prescribed in 55% of patients. During a median follow-up of 1105 days, there were 705 all-cause deaths (5.5%/year); 180 CV (26% of total deaths), 381 non-CV (54%), and 144 undetermined causes (20%). The most common causes of CV and non-CV death were heart failure (14.5%), malignancy (23.1%), and infection/sepsis (17.3%), while mortality due to stroke was only 6.5%. Mortality due to infection/sepsis and undetermined causes increased with aging. On multivariate analysis, the strongest indicator of CV death was pre-existing heart failure [hazard ratio (HR) 2.42, 95% confidence interval (CI) 1.66-3.54; P < 0.001] and that of non-CV death was anaemia (HR 2.84, 95% CI 2.22-3.65; P < 0.001).
CONCLUSION: In a Japanese community-based AF cohort, CV death was not mainly related to stroke but to heart failure. Non-CV death, mainly malignancy and infection, comprised more than a half of all deaths, which increased substantially in accordance with aging. Clinical factors that were associated with CV and non-CV death were distinct.