Akyüz, AydınOran, MustafaAlpsoy, ŞerefMutlu, Levent CemAkkoyun, Dursun ÇayanGüzel, SavaşAlp, Recep2022-05-112022-05-1120140003-31971940-1574https://doi.org/10.1177/0003319713497421https://hdl.handle.net/20.500.11776/5150Increased carotid intima-media thickness (cIMT) and stiffness, reflecting subclinical atherosclerosis, are associated with obstructive sleep apnea syndrome (OSAS). The relationship between serum fetuin-A, which inhibits ectopic calcification, and atherosclerosis is unclear. Therefore, we investigated the association between serum fetuin-A levels and carotid artery stiffness and cIMT in patients with normotensive OSAS (n = 50) and non-OSAS controls (n = 38). Compared with controls, there were lower fetuin-A levels (59.4 +/- 6.5 vs 68.2 +/- 5.8 ng/mL, P = .029), higher mean cIMT (0.73 +/- 0.2 vs 0.63 +/- 0.3 mm, P < .001), and greater stiffness (beta) index (7.45 +/- 0.9 vs 5.2 +/- 0.7, P = .001) in the OSAS group. The cIMT and stiffness (beta) index were inversely correlated with fetuin-A levels (r = -.324, P = .033; r = -.466, P < .001, respectively) and positively correlated with apnea hypopnea index (r = .498, P < .001; r = .422, P = .001, respectively) in the OSAS group. Decreased serum fetuin-A levels were associated with subclinical carotid atherosclerosis in patients with normotensive OSAS.en10.1177/0003319713497421info:eu-repo/semantics/closedAccesscarotid atherosclerosisfetuin-Aobstructive sleep apneaintima-media thicknessAnkle Brachial IndexAortic StiffnessDiseaseRiskAbnormalitiesObesityStrokeArticle657607613Q2WOS:0003401121000112-s2.0-8490385268623892440Q2