ArticleAntioxidants (Basel, Switzerland)2026
Renalase and Total Antioxidant Status in Relation to CCTA-Assessed Coronary Artery Disease Severity in Suspected Obstructive Sleep Apnea.
Article in Antioxidants (Basel, Switzerland), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
aimThe aim of this observational cross-sectional study was to evaluate whether blood renalase concentration, total antioxidant status (TAS), main cardiovascular risk factors, and obstructive sleep apnea severity are associated with the anatomical severity of coronary artery disease assessed by CCTA in patients with suspected OSA. MATERIALS AND
methodsThe study included 93 patients with suspected OSA. All patients were assessed for main risk factors for cardiovascular disease. Polysomnography was performed to verify the suspicion of OSA, as well as coronary computed tomography angiography (CCTA) with a systematic assessment of the severity of coronary artery disease using the CAD-RADS classification. Blood renalase concentration and total antioxidant status (TAS) were determined.
resultsThe apnea-hypopnea index (AHI) in the study group was 16.57 ± 17.17 /h. OSA was diagnosed in 73.1% of the study group. In CCTA examinations, significant coronary artery disease (CAD-RADS ≥ 3) was suspected in 22.6% of the subjects, including 16.1% classified as CAD-RADS 3, 4.3% as CAD-RADS 4, and 2.1% as CAD-RADS 5. Patients with AHI ≥ median were significantly more often classified as CAD-RADS ≥ 3 than patients with AHI < median. Patients with blood renalase concentration ≥ median were significantly less often classified as CAD-RADS ≥ 3 than patients with blood renalase concentration < median. Similarly, patients with TAS ≥ median were significantly less often classified as CAD-RADS ≥ 3 than those with TAS < median. Older age, higher systolic blood pressure, higher blood cholesterol levels, and lower TAS were independently associated with CAD-RADS ≥ 3 in logistic regression analysis. In multivariable regression analysis, higher pack-years of smoking, higher AHI, and lower blood renalase concentration were independently associated with lower TAS.
conclusionsHigher pack-years of smoking, higher AHI values, and lower blood renalase concentration were associated with lower total antioxidant status, which, along with older age, higher systolic blood pressure, and higher total cholesterol concentration, was independently associated with suspected anatomically significant coronary artery disease on CCTA.
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