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Risk of Silent Myocardial Infarction in Prediabetic Patients: A Case-Control Study in a Veteran Population.

Eknath Naik1, Deepa Dongarwar1, Fabio Leonelli1

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Prediabetes and diabetes significantly increase the risk of silent myocardial infarction (SMI) in veterans. Early identification of elevated glucose levels is crucial for cardiovascular disease prevention and improved health outcomes.

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Area of Science:

  • Cardiology
  • Endocrinology
  • Public Health

Background:

  • Cardiovascular disease management necessitates early risk identification for effective intervention.
  • Silent myocardial infarction (SMI) poses a significant risk for future cardiovascular events and mortality.
  • Identifying individuals at high risk for SMI is critical for proactive healthcare strategies.

Purpose of the Study:

  • To investigate the association between glucose levels and the incidence of silent myocardial infarction (SMI).
  • To assess the risk of SMI in prediabetic and diabetic patients within the Veterans Affairs clinical system.

Main Methods:

  • A case-control study was conducted using data from the Veterans Affairs clinical system.
  • Patients with a new diagnosis of SMI were identified as cases.
  • Controls were matched for age and other characteristics, with no history of coronary artery disease or prior electrocardiogram abnormalities.

Main Results:

  • The study included 540 patients, with 108 (20%) diagnosed with SMI.
  • Prediabetic individuals were 3.99 times more likely to experience SMI compared to those with normal glucose levels.
  • Diabetic patients showed a 3.80 times higher likelihood of SMI compared to normoglycemic individuals.

Conclusions:

  • Elevated glucose levels, including prediabetes and diabetes, are significantly associated with an increased risk of silent myocardial infarction.
  • These findings highlight the importance of targeted interventions for individuals with prediabetes and diabetes to mitigate cardiovascular risks.
  • Early detection and management of glucose abnormalities can lead to improved health outcomes and potentially reduce the incidence of SMI and subsequent cardiovascular events.