期刊
DIABETES CARE
卷 37, 期 12, 页码 3301-3308出版社
AMER DIABETES ASSOC
DOI: 10.2337/dc14-0908
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资金
- Medical Research Council
- Chief Scientist Office of the Scottish Executive
- Pfizer plc
- Medical Research Council [G0500877] Funding Source: researchfish
- MRC [G0500877] Funding Source: UKRI
OBJECTIVE To determine whether a history of severe hypoglycemia was associated with an increased risk of subsequent macrovascular events in people with type 2 diabetes and to explore possible mediation of this association by inflammation. RESEARCH DESIGN AND METHODS A cohort of 1,066 adults aged 60-75 years with type 2 diabetes was evaluated prospectively. Baseline history of severe hypoglycemia and plasma levels of the inflammatory markers C-reactive protein, fibrinogen, interleukin-6, and tumor necrosis factor-a were recorded. Their association with incident macrovascular events after 4 years was explored. RESULTS At baseline, 87 participants (8.2%) reported one or more episodes of severe hypoglycemia within the preceding year, and at follow-up 99 participants (9.3%) had suffered a new macrovascular event. Hypoglycemia was associated with increased odds of macrovascular events (odds ratio [OR] 2.11 [95% CI 1.06, 4.21], P = 0.035), including coronary heart events (OR 2.44 [95% CI 1.13, 5.26], P = 0.023), largely due to increased myocardial infarction (OR 4.02 [95% CI 1.54, 10.48], P = 0.004). Hypoglycemia was also associated with increased levels of inflammatory markers, including a general inflammation factor derived using principal-components analysis (P = 0.030, after adjustment for cardiometabolic risk factors). However, the significant association between hypoglycemia and macrovascular events persisted after adjustment for inflammatory markers. CONCLUSIONS The odds of suffering a macrovascular event were higher in patients with type 2 diabetes who had a history of severe hypoglycemia. There was no evidence that a proinflammatory state had a major role in mediating this association.
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