Baseline Cardiovascular Risk Factor Control in Patients With Type 2 Diabetes and Coronary Disease Versus Stroke:

Priyadarshini Balasubramanian1, Walter N Kernan2, Kevin N Sheth3

  • 1Section of Endocrinology, Department of Medicine (P.B.), Yale School of Medicine, New Haven, CT.

Stroke
|July 14, 2023
PubMed

Insights

Patients with type 2 diabetes and stroke have poorer cardiovascular risk factor control than those with coronary artery disease. This highlights a need for improved secondary prevention strategies in stroke patients.

Area of Science:

  • Cardiology
  • Endocrinology
  • Public Health

Background:

  • Patients with type 2 diabetes (T2D) and cardiovascular disease face heightened risks of recurrent ischemic events.
  • Effective cardiovascular risk factor control is crucial for secondary prevention in these individuals.
  • Understanding risk factor control disparities among T2D patients with different macrovascular complications, specifically stroke versus coronary artery disease (CAD), remains unclear.

Purpose of the Study:

  • To investigate potential differences in cardiovascular risk factor control between T2D patients with a history of stroke and those with CAD.
  • To analyze risk factor control in T2D patients with both stroke and CAD compared to those with stroke alone.

Main Methods:

  • Cross-sectional analysis of 12,856 T2D patients from three major cardiovascular outcome trials (CARMELINA, EMPA-REG OUTCOME, CAROLINA).
  • Assessment of baseline risk factors: dyslipidemia, hypertension, smoking, and antiplatelet/anticoagulant therapy.
  • Logistic regression models were used to analyze the odds of achieving optimal control (3-4 controlled factors) versus suboptimal control (0-2 factors).

Main Results:

  • Patients with CAD alone demonstrated significantly better cardiovascular risk factor control compared to patients with stroke alone across all three trials.
  • The odds ratios for good versus suboptimal control were consistently higher for CAD patients (e.g., CARMELINA: 2.05 [1.67-2.51]).
  • When comparing patients with both CAD and stroke to those with stroke alone, the differences in risk factor control were less pronounced and not significant in the CAROLINA trial.

Conclusions:

  • A notable discordance exists in cardiovascular risk factor control among T2D patients, with stroke patients exhibiting less optimal control than CAD patients.
  • The intermediate results for patients with both conditions suggest that clinician-related factors may contribute to these control disparities.
  • These findings underscore the importance of targeted interventions to improve secondary prevention in T2D patients with cerebrovascular complications.
Abstract

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