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Area of Science:

  • Cardiology
  • Endocrinology
  • Public Health

Background:

  • Elevated fasting glucose is a known cardiovascular disease risk factor.
  • The association between fasting glucose levels and aortic valve disease (AVD) risk remains unclear.
  • This study investigates the link between fasting glucose and incident AVD in a large cohort.

Purpose of the Study:

  • To determine if modest increases in fasting glucose are associated with an increased risk of incident aortic valve disease.
  • To explore the relationship between different fasting glucose categories and AVD risk.
  • To identify potential thresholds for increased AVD risk related to glycemic levels.

Main Methods:

  • Retrospective cohort study of 11,905 adults.
  • Participants categorized by fasting glucose levels (normal, impaired fasting glucose (IFG), diabetes).
  • Cox proportional hazards models and restricted cubic spline analysis used to assess AVD risk.

Main Results:

  • Impaired fasting glucose (IFG) was linked to a 28% increased AVD risk (HR: 1.28).
  • Diagnosed diabetes showed a stronger association with AVD risk (HR: 1.61).
  • Risk of AVD began to rise significantly at fasting glucose levels around 5.5 mmol/L.

Conclusions:

  • Modest elevations in fasting glucose, starting near 5.5 mmol/L, are associated with significantly increased incident AVD risk.
  • These findings underscore the importance of early glycemic control in AVD prevention strategies.
  • The study highlights a potential public health focus on managing borderline high glucose levels to mitigate AVD incidence.