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Abstract
© 2016 The Author(s).Background: Serum bicarbonate is associated with mortality, heart failure (HF) and progression of renal failure in studies of healthy people and patients with chronic kidney disease, but the significance of these observations in unselected patients with diabetes in the general population is unknown. The aim of this study was to determine whether serum bicarbonate was associated with mortality and cardiovascular disease risk in type 2 diabetes. Methods: Baseline serum bicarbonate was available for 1283 well-characterized community-based patients (mean ± SD age 64.1 ± 11.3 years, 48.7 % males) from the longitudinal observational Fremantle Diabetes Study followed for a mean of 12 years. Associations between serum bicarbonate and mortality, coronary heart disease (CHD) and incident HF were analysed using Cox proportional hazards regression. Results: Serum bicarbonate was independently and negatively associated with incident CHD. For each 1 mmol/L increase in bicarbonate, the hazard ratio for CHD was 0.95 (95 % confidence interval 0.92-0.99) after adjustment for age as time scale, age at baseline, sex, English fluency, diabetes duration, loge(serum triglycerides), loge(urinary albumin: creatinine ratio), peripheral sensory neuropathy and peripheral arterial disease. There were no independent associations between serum bicarbonate and all-cause mortality [0.98 (0.95-1.004)] or incident HF [0.99 (0.95-1.03)]. Conclusions: Serum bicarbonate was a significant independent predictor of incident CHD but not death or HF in community-based patients with type 2 diabetes. This supports intervention trials of bicarbonate replacement in type 2 patients at risk of CHD and who have a low serum bicarbonate concentration.
Original language | English |
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Article number | 143 |
Pages (from-to) | 1-10 |
Number of pages | 10 |
Journal | Cardiovascular Diabetology |
Volume | 15 |
Issue number | 1 |
DOIs | |
Publication status | Published - 6 Oct 2016 |
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Dive into the research topics of 'Serum bicarbonate concentration and the risk of cardiovascular disease and death in type 2 diabetes: The Fremantle Diabetes Study'. Together they form a unique fingerprint.Projects
- 1 Finished
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Timothy Davis
Davis, T. (Investigator 01)
NHMRC National Health and Medical Research Council
1/01/14 → 31/12/18
Project: Research