Metabolic syndrome correlates intracoronary stenosis detected by multislice computed tomography in male subjects with sleep-disordered breathing |
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Authors: | Tomoko Nakanishi-Minami Ken Kishida Yasuhiko Nakagawa Munetaka Nishio Chisa Nakagawa Yoshiharu Nishida Koji Yanagi Ryoko Yoshida Tohru Funahashi Iichiro Shimomura |
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Institution: | 1. Department of Metabolic Medicine, Graduate School of Medicine, Osaka University, Suita, Osaka, 565-0871, Japan 2. Department of Metabolism and Atherosclerosis, Graduate School of Medicine, Osaka University, Suita, Osaka, 565-0871, Japan 6. Department of Metabolism and Atherosclerosis, Graduate School of Medicine, Osaka University, 2-2 B-5, Yamada-oka, Suita, Osaka, 565-0871, Japan 3. Department of Cardiology, Kenporen Osaka Central Hospital, Kita-ku, Osaka, 530-0001, Japan 4. Department of Internal Medicine, Kenporen Osaka Central Hospital, Kita-ku, Osaka, 530-0001, Japan 5. Yoshida Suimin-kokyu Clinic, Nishi-ku, Osaka, 550-0011, Japan
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Abstract: | Background Sleep-disordered breathing (SDB), especially obstructive sleep apnea (OSA), has frequent complications include hypertension, dyslipidemia and insulin resistance based on abdominal obesity or excess visceral fat (called Syndrome Z). OSA is a potential risk factor for cardiovascular diseases. The clinical characteristics of Japanese OSA subjects with OSA remain unclear. The present study investigated prevalence and predictive factors of intracoronary stenosis detected by multislice computed tomography (MSCT) in Japanese male subjects with SDB/OSA. Findings The study (O-VFStudy) subjects were 39 Japanese men with SDB/OSA who underwent all-night cardiorespiratory monitoring with fully attended polysomnography, and moreover both fat computed tomography (CT) scan and 64-row MSCT coronary angiography. The prevalence of coronary stenosis in this selected population with SDB/OSA was 15%. Logistic regression analysis showed a significant relationship between age-adjusted CAD and metabolic syndrome (p < 0.05), but not serum adiponectin levels and nocturnal fall in adiponectin. Subjects with the metabolic syndrome had significantly higher prevalence of CAD (31.3 versus 4.3%, p = 0.033), and lower levels of serum adiponectin (4.5 ± 0.6 versus 6.4 ± 0.6 μg/mL, p = 0.014), compared with groups without the metabolic syndrome. Conclusions The present study describes that the prevalence of greater than 50% intracoronary stenotic lesions detected by MSCT was 15% and the metabolic syndrome was correlated with intracoronary stenosis detected by MSCT in Japanese SDB/OSA subjects. Trial Registration UMIN 000002997 https://upload.umin.ac.jp/cgi-open-bin/ctr/ctr.cgi?function=brows&action=brows&type=summary&recptno=R000003633&language=E. |
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