Increasing Mortality in Adults With Diabetes and Low Estimated Glomerular Filtration Rate in the Absence of Albuminuria.
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ABSTRACT: OBJECTIVE:Improved blood pressure control and use of renin-angiotensin-aldosterone system blockers have altered the clinical presentation or phenotype of chronic kidney disease (CKD) in U.S. adults with diabetes. These changes may influence mortality. RESEARCH DESIGN AND METHODS:Data from the National Health and Nutrition Examination Surveys (NHANES) 1988-2006 were used to examine mortality trends in adults with diabetes, defined as physician diagnosis, fasting glucose ≥126 mg/dL, HbA1c >6.5% (48 mmol/mol), or use of glucose-lowering medications. Mortality trends by CKD phenotype (estimated glomerular filtration rate [eGFR] and urine albumin-to-creatinine ratio [ACR] level) were obtained via linkage with the National Death Index through 31 December 2011 while accounting for the complex survey design. RESULTS:From 1988 to 2006, adults with an eGFR <60 mL/min/1.73 m2 and an ACR <30 mg/g increased from ∼0.9 million (95% CI 0.7, 1.1) or 6.6% of the total population with diabetes during years 1988-1994 to 2.4 million (95% CI 1.9, 2.9) or 10.1% of the total population with diabetes during years 2007-2010. Mortality rates generally trended downward for adults with diabetes and an ACR ≥30 mg/g but increased in those with eGFR <60 mL/min/1.73 m2 and an ACR <30 mg/g from 35 deaths per 1,000 person-years (95% CI 22, 55) during years 1988-1994 to 51 deaths per 1,000 person-years (95% CI 33, 83) during years 2003-2006. CONCLUSIONS:ACR values are decreasing in U.S. adults with diabetes, but optimal management strategies are needed to reduce mortality in those with a low eGFR and an ACR <30 mg/g.
SUBMITTER: Kramer H
PROVIDER: S-EPMC5860846 | biostudies-other | 2018 Apr
REPOSITORIES: biostudies-other
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