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High risk of cardiovascular disease in patients with type 1 diabetes in the U.K.: a cohort study using the general

Sabita S Soedamah-Muthu1, John H Fuller, Henrietta E Mulnier

  • 1Department of Epidemiology and Public Health, Royal Free and University College London Medical School, UK. s.s.soedamah-muthu@umcutrecht.nl

Diabetes Care
|March 29, 2006
PubMed

Insights

Patients with type 1 diabetes face extremely high cardiovascular disease (CVD) risks. This risk is significantly elevated for women with type 1 diabetes compared to men, even with advancements in care.

Area of Science:

  • Cardiology
  • Endocrinology
  • Public Health

Background:

  • Type 1 diabetes is a significant risk factor for cardiovascular disease (CVD).
  • Understanding the magnitude of CVD risk in type 1 diabetes is crucial for patient management and public health strategies.

Purpose of the Study:

  • To quantify the absolute and relative risks of major cardiovascular disease (CVD) events in individuals with type 1 diabetes in the United Kingdom.
  • To compare CVD risk between men and women with type 1 diabetes and the general population.

Main Methods:

  • A cohort study utilizing the General Practice Research Database (GPRD) in the U.K.
  • Inclusion of 7,479 patients with type 1 diabetes and 38,116 matched controls without diabetes, all free of CVD at baseline.
  • Follow-up for major CVD events (myocardial infarction, coronary death, revascularization, stroke) from 1992 to 1999.

Main Results:

  • The hazard ratio for major CVD was significantly elevated: 3.6 in men and 7.7 in women with type 1 diabetes compared to controls.
  • Increased hazard ratios were observed for acute coronary events, coronary revascularizations, and stroke in both sexes.
  • Type 1 diabetic men aged 45-55 had a CVD risk comparable to men 10-15 years older in the general population; this age-related risk acceleration was even more pronounced in women.

Conclusions:

  • Despite improvements in diabetes care, individuals with type 1 diabetes continue to face exceptionally high absolute and relative risks of CVD.
  • Women with type 1 diabetes experience a disproportionately higher relative risk of CVD compared to men with type 1 diabetes, relative to their non-diabetic counterparts.
Abstract

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