Journal
JOURNAL OF CARDIAC FAILURE
Volume 16, Issue 11, Pages 880-887Publisher
CHURCHILL LIVINGSTONE INC MEDICAL PUBLISHERS
DOI: 10.1016/j.cardfail.2010.06.413
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Background Prognostic impact of body mass index (BMI) in Japanese patients with chronic heart failure (HF) remains unclear Methods and Results We examined the relationship between BMI and the prognosis of Japanese HF patients in the Chronic Heart Failure Analysis and Registry in the Tohoku District (CHART) study The study sample was 972 Japanese chronic HF patients (mean age 68 2 +/- 13 5 male 65 2%) We categorized them into 5 groups, BMI <18 5 18 5 to 229, 23 0 to 249 (reference) 25 0 to 299 and >= 30 0 Using a Cox hazards model, the relationships between BMI and deaths or admission for worsening HF were studied in detail Mean follow-up period was 3 4 +/- 1 7 years Multivariate analysis showed that as compared with reference group (EMI 23 0 to 24 9) hazard ratios (HR) for all-cause death showed a U-shaped association with 1 70 (95% confidence interval, 1 04-2 76), 1 23 (0 85-1 78), 1 26 (0 84-1 90) and 2 75 (1 51-5 00) among those with BMI <18 5 18 5 to 22 9 25 0 to 29 9 and >= 30 0 respectively There were significant and suggestive U-shaped associations between BMI and cardiac-cause death or admission for worsening HF Conclusions Both high and low BMIs were associated with Increased outcomes suggesting that extreme obesity is not beneficial in improving the prognosis of Japanese chronic HF patients (J Cardiac Fail 2010 16 880-887)
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