Influence of Prediabetes on Coronary Atherosclerotic Plaque Burden Assessed by Coronary Computed Tomography Angiography (CCTA)

According to CDC there are 88.0 million Americans aged 18 years or older with prediabetes. Cardiovascular disease is the primary cause of morbidity and mortality in diabetes. The relationship between prediabetes and coronary atherosclerosis is not well established. We evaluated the association betwe...

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Published in:The American heart journal Vol. 242; p. 169
Main Authors: Manubolu, Venkat Sanjay, Verghese, Dhiran, Alalawi, Luay, Kinninger, April, Calicchio, Francesca, Ahmad, Khadije, Ghanem, Ahmed, Rezvanizadeh, Vahid, Javier, Denise A., Vacuna, Will, Golub, Ilana S., Termeie, Orly G., Schroeder, Lucia P., Kristo, Stephanie, Roy, Sion
Format: Journal Article
Language:English
Published: Philadelphia Elsevier Inc 01-12-2021
Elsevier Limited
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Summary:According to CDC there are 88.0 million Americans aged 18 years or older with prediabetes. Cardiovascular disease is the primary cause of morbidity and mortality in diabetes. The relationship between prediabetes and coronary atherosclerosis is not well established. We evaluated the association between prediabetes and coronary atherosclerosis and compared it to non-diabetic population. In this retrospective study all patients who underwent CCTA and coronary artery calcium (CAC) testing at our outpatient imaging center for the past 5 years were screened. 253 patients had recorded HbA1c values and were included in the study. 256 slice multi detector CT (GE Revolution, Milwaukee WI) scanner was used for imaging. CAC was scored using non-contrast CT. Total plaque score (TPS) and total stenosis score (TSS) were quantified using coronary CTA. Each of the scores were compared between prediabetic (125) and non-diabetic groups (128). Mean age of the study cohort was 53.2 ± 17.1 years, 66% were males, 114 had hyperlipidemia (45%), 108 had hypertension (43%), 96 were present smokers (38%) and the mean HbA1c was 5.6 ±0.4. In multivariate adjusted regression models, the odds of TPS (OR:2.93; CI: 1.54,5.57) P<0.001, TSS (OR:2.82; CI:1.48,5.38) P<0.002 and CAC score (OR:3.43; CI: 1.74,6.74) p<0.001, were all higher in prediabetic patients. Our findings suggest that prediabetics have higher atherosclerotic plaque burden compared to non-diabetics. In prediabetes, increased plaque burden most likely contributes to cardiovascular events. The application of these findings may guide early screening and pharmacological prevention strategies for atherosclerosis in patients with prediabetes.
ISSN:0002-8703
1097-6744
DOI:10.1016/j.ahj.2021.10.059