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Keywords:

  • β-blocker;
  • cardioprotection;
  • coronary heart disease;
  • diabetes mellitus;
  • sudden death

Summary

This paper reviews the role of β-blockers in the prevention of cardiovascular morbidity and mortality in patients with diabetes mellitus. There is good evidence from randomized controlled trials that β-blockers, in particular the lipophilic agents, substantially reduce cardiovascular mortality and morbidity. However, hitherto β-blockers have been underused in diabetic patients, perhaps because of perceived risks of β-blocker therapy. Reappraisal of the evidence suggests that the traditional reluctance to use β-blockers in this group is based on fears of adverse effects that are largely unfounded.