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Increased heat generation from atherosclerotic plaques in patients with type 2 diabetes: an increased local

Konstantinos Toutouzas1, Virginia Markou, Maria Drakopoulou

  • 1First Department of Cardiology, Hippokration Hospital, University of Athens, Greece. ktoutouz@otenet.gr

Diabetes Care
|June 29, 2005
PubMed

Insights

Diabetic patients with coronary artery disease exhibit higher inflammatory heat signatures. Statins may reduce this heat generation, indicating a beneficial effect in managing diabetic cardiovascular inflammation.

Area of Science:

  • Cardiovascular Medicine
  • Diabetology
  • Medical Imaging

Background:

  • Coronary artery disease (CAD) patients with diabetes exhibit heightened inflammatory responses.
  • Thermography is a technique that detects localized inflammation by measuring heat generation.

Purpose of the Study:

  • To investigate if diabetic CAD patients show increased local heat generation compared to non-diabetic patients.
  • To assess the impact of statin therapy on heat generation in diabetic CAD patients.

Main Methods:

  • Coronary thermography was performed on 45 diabetic and 63 matched non-diabetic patients undergoing percutaneous coronary interventions.
  • The temperature difference (DeltaT) between atherosclerotic plaques and the proximal vessel wall was measured.

Main Results:

  • Diabetic patients showed a significantly higher temperature difference (DeltaT: 0.17°C) compared to non-diabetic patients (DeltaT: 0.09°C).
  • Diabetic patients with acute coronary syndromes had increased DeltaT (0.29°C) versus non-diabetic patients with ACS (0.15°C).
  • Diabetic patients on statins exhibited lower DeltaT (0.11°C) compared to untreated diabetic patients (0.22°C).

Conclusions:

  • Diabetic patients with CAD demonstrate increased local heat generation, indicative of heightened inflammation.
  • Statin therapy appears to reduce this inflammatory heat signature in diabetic patients with CAD, suggesting a favorable effect.
Abstract

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