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Diabetes Care. 2011 Jul;34(7):1577-8. doi: 10.2337/dc10-2289. Epub 2011 May 18.

Hyperglycemia and death in cystic fibrosis-related diabetes.

Author information

  • 1Wolfson Diabetes and Endocrine Clinic, Addenbrooke’s Hospital, Cambridge, UK. amanda.adler@addenbrookes.nhs.uk

Abstract

OBJECTIVE:

Diabetes is common in cystic fibrosis and increases the risk of death, yet the role of hyperglycemia remains unproven. An association between glycemia and mortality would provide compelling evidence to support glucose lowering in cystic fibrosis-related diabetes (CFRD).

RESEARCH DESIGN AND METHODS:

Using the U.K. Cystic Fibrosis Registry, we analyzed longitudinal data from 2006 to 2009 in 520 individuals with diabetes. We tested the association between HbA1c and mortality.

RESULTS:

During a median follow-up of 2 years, 36 patients died. The median value of HbA1c was higher in those who died (7.3%) than in those who did not (6.7%). An HbA1c value of ≥6.5% was associated with a threefold increased risk of death (hazard ratio 3.2 [95% CI 1.4-7.3]; P=0.005) independent of potential confounders.

CONCLUSIONS:

Hyperglycemia trebles the risk of death in patients with CFRD. These findings provide epidemiologic support for continued efforts to improve glycemic control.

PMID:
21593303
[PubMed - indexed for MEDLINE]
PMCID:
PMC3120212
Free PMC Article
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