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Ferhat S. Yurdam1, Mehmet Kış2
1Department of Cardiology, Bakırçay University Faculty of Medicine, Izmir, Türkiye
2Department of Cardiology, Dokuz Eylül University Faculty of Medicine, Izmir, Türkiye
Keywords: Chronic coronary syndrome, coronary computed tomography angiography, HbA1c
Objectives: In this study, we aimed to investigate whether there is a relationship between coronary artery lesion severity detected on coronary computed tomography angiography (CTA) and the hemoglobin A1c (HbA1c) value in nondiabetic patients with chronic coronary syndrome (CCS).
Patients and methods: The retrospective observational study included 125 patients (64 males, 61 females; median age: 55 years; IQR, 46.5-63.0) who underwent coronary CTA with the diagnosis of CCS and applied between March 2020 and July 2022. Two groups were formed according to the severity of coronary artery lesion by coronary CTA: Group 1 (n=71), with <70% coronary lesion severity, and Group 2 (n=54), with >70% coronary lesion severity.
Results: The two groups were similar in terms of median age, (p=0.09) and male sex ratios (47% vs. 55%, p=0.47). The HbA1c value in Group 2 was statistically significantly higher than in Group 1 [5.89 (5.43-6.15) vs. 5.42 (5.1-5.8), p=0.001]. The HbA1c cut-off value was determined as 5.66. The ideal HbA1c cut-off value, calculated by the Youden index, had a sensitivity of 64% and a specificity of 63% in predicting the severity of coronary artery lesions in nondiabetic patients with CCS.
Conclusion: In nondiabetic patients with CCS, HbA1c is associated with the presence of severe CAD lesions detected in coronary CTA.
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