Journal
EUROPEAN JOURNAL OF PREVENTIVE CARDIOLOGY
Volume 22, Issue 8, Pages 1018-1026Publisher
OXFORD UNIV PRESS
DOI: 10.1177/2047487314536873
Keywords
Chronic kidney disease; albuminuria; cardiovascular disease; mortality
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Funding
- National Medical Research Council [0796/2003, 0863/2004, STaR/0003/2008]
- Biomedical Research Council [501/1/25-5]
- Singapore Ministry of Health's National Medical Research Council under its Talent Development Scheme [R927/36/2012]
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Background Few studies have examined the impact of chronic kidney disease (CKD) on adverse cardiovascular outcomes and deaths in Asian populations. We evaluated the associations of CKD with cardiovascular disease (CVD) and all-cause mortality in a multi-ethnic Asian population. Design Prospective cohort study of 7098 individuals who participated in two independent population-based studies involving Malay adults (n=3148) and a multi-ethnic cohort of Chinese, Malay and Indian adults (n=3950). Methods CKD was assessed from CKD-EPI estimated glomerular filtration rate (eGFR) and urine albumin-to-creatinine ratio (UACR). Incident CVD (myocardial infarction, stroke and CVD mortality) and all-cause mortality were identified by linkage with national disease/death registries. Results Over a median follow-up of 4.3 years, 4.6% developed CVD and 6.1% died. Risks of both CVD and all-cause mortality increased with decreasing eGFR and increasing albuminuria (all p-trend <0.05). Adjusted hazard ratios (HR (95% confidence interval)) of CVD and all-cause mortality were: 1.54 (1.05-2.27) and 2.21 (1.67-2.92) comparing eGFR <45 vs 60; 2.81 (1.49-5.29) and 2.34 (1.28-4.28) comparing UACR 300 vs <30. The association between eGFR <60 and all-cause mortality was stronger among those with diabetes (p-interaction=0.02). PAR of incident CVD was greater among those with UACR 300 (12.9%) and that of all-cause mortality greater among those with eGFR <45 (16.5%). Conclusions In multi-ethnic Asian adults, lower eGFR and higher albuminuria were independently associated with incident CVD and all-cause mortality. These findings extend previously reported similar associations in Western populations to Asians and emphasize the need for early detection of CKD and intervention to prevent adverse outcomes.
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