• J Coll Physicians Surg Pak · Apr 2022

    Relationship between Oxidative Stress Markers and Presence of Chronic Total Occlusion in Coronary Artery Disease.

    • Ekrem Aksu, Enes Celik, Musa Dagli, Fatma Inanc Tolun, and Akif Serhat Balcioglu.
    • Department of Cardiology, Faculty of Medicine, Kahramanmaras Sutcu Imam University, Kahramanmaras, Turkey.
    • J Coll Physicians Surg Pak. 2022 Apr 1; 32 (4): 430-434.

    ObjectiveTo investigate the relationship between chronic total occlusion (CTO) development and oxidative stress markers in stable coronary artery patients.Study DesignA cohort study.Place And Duration Of StudyCardiology Clinic, Kahramanmaras Sutcu Imam University Medical Faculty, between January 2018 and December 2019.MethodologyPatients, who underwent coronary angiography for stable chest pain, were consecutively included. The study group consisted of those with CTO and the control group from those without CTO. Serum total oxidant/anti-oxidant, dynamic thiol/disulfide, antioxidant (ascorbate, alfa-tocopherol, beta-carotene) vitamin levels, and routine biochemistry tests of the patients were compared.ResultsThe study group (24 men, 5 women, mean age 63.79 ± 9.21 years) and control group (23 men, 6 women, mean age 61.38 ± 8.20 years) consisted of 29 patients each. The oxidative stress markers (total thiol, native thiol, disulfide, reduced thiol ratio, oxidized thiol ratio, thiol oxidation-reduction ratio, total antioxidant status, total oxidant status, and vitamin E) were found to have similar values between the groups. However, of the anti-oxidative vitamins, vitamin C, vitamin A and vitamin C/vitamin E ratio were significantly lower in the CTO group and predicted a CTO lesion (AUC: 0.084, p<0.001, 95% CI: 0.007-0.162; AUC: 0.285, p=0.005, 95% CI: 0.154-0.416 and AUC: 0.181, p <0.001, 95% CI: 0.062-0.299, respectively).ConclusionThe lower serum vitamin C and vitamin A levels and low vitamin C/vitamin E ratio may be useful in predicting the risk of CTO in stable patients with non-critical stenosis in coronary angiography.Key WordsChronic total occlusion, Oxidative balance, Stable coronary artery disease, Vitamin A, Vitamin C, Vitamin C / vitamin A ratio.

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