Hualan Zhou1, Sen Lin2, Xia Li1, Dianxuan Guo1, Yun Wang1, Youdong Hu3. 1. Department of Gereology, Affiliated Huai'an Hospital of Xuzhou Medical University, ', Huaian, Jiangsu Province, 223002, China. 2. Department of Clinical Laboratory, Affiliated Huai'an Hospital of Xuzhou Medical University, ', Huaian, Jiangsu Province, 223002, China. 3. Department of Gereology, Affiliated Huai'an Hospital of Xuzhou Medical University, ', Huaian, Jiangsu Province, 223002, China. hyd68733@163.com.
Abstract
BACKGROUND: Inflammation is involved in the progression of degenerative valvular heart disease (DVHD). microRNA-222 (miR-222) contributes to inflammation-mediated vascular remodeling, but its involvement in DVHD in relation to atrial fibrillation (AF) is unknown. This study aimed to investigate the changes in miR-222, interleukin (IL)-6, high-sensitivity C-reactive protein (hs-CRP), and N-terminal pro-brain natriuretic peptide (NT-proBNP) in patients with DVHD complicated with AF. METHODS: This was a case control study of patients with DVHD who were hospitalized at the Geriatrics Department of the Affiliated Huai'an Hospital of Xuzhou Medical University between 01/2017 and 08/2018. The participants were grouped according to the presence of AF, and serum miR-222, IL-6, hs-CRP, and NT-proBNP levels were compared. RESULTS: There were fifty-two participants (28 males) in the DVHD with AF group, aged 60-80 years (73.0 ± 5.9 years). Sixty participants (31 males) were included in the DVHD without AF group, aged 60-80 years (71.9 ± 6.92 years). There were no significant differences in age, sex, body mass index, fasting blood glucose, triglycerides, cholesterol, and blood pressure between the two groups. The serum levels of miRNA-222, IL-6, hs-CRP, and NT-proBNP in DVHD patients were significantly higher in those with AF compared with the non-AF group (all P < 0.05). Correlation analyses revealed that IL-6, hs-CRP, and NT-proBNP levels were positively correlated with miR-222 levels in all patients (IL-6: r = 0.507, P < 0.01; hs-CRP: r = 0.390, P < 0.01; NT-proBNP: r = 0.509, P < 0.01). CONCLUSIONS: Serum miR-222 was independently associated with AF in patients with DVHD.
BACKGROUND:Inflammation is involved in the progression of degenerative valvular heart disease (DVHD). microRNA-222 (miR-222) contributes to inflammation-mediated vascular remodeling, but its involvement in DVHD in relation to atrial fibrillation (AF) is unknown. This study aimed to investigate the changes in miR-222, interleukin (IL)-6, high-sensitivity C-reactive protein (hs-CRP), and N-terminal pro-brain natriuretic peptide (NT-proBNP) in patients with DVHD complicated with AF. METHODS: This was a case control study of patients with DVHD who were hospitalized at the Geriatrics Department of the Affiliated Huai'an Hospital of Xuzhou Medical University between 01/2017 and 08/2018. The participants were grouped according to the presence of AF, and serum miR-222, IL-6, hs-CRP, and NT-proBNP levels were compared. RESULTS: There were fifty-two participants (28 males) in the DVHD with AF group, aged 60-80 years (73.0 ± 5.9 years). Sixty participants (31 males) were included in the DVHD without AF group, aged 60-80 years (71.9 ± 6.92 years). There were no significant differences in age, sex, body mass index, fasting blood glucose, triglycerides, cholesterol, and blood pressure between the two groups. The serum levels of miRNA-222, IL-6, hs-CRP, and NT-proBNP in DVHD patients were significantly higher in those with AF compared with the non-AF group (all P < 0.05). Correlation analyses revealed that IL-6, hs-CRP, and NT-proBNP levels were positively correlated with miR-222 levels in all patients (IL-6: r = 0.507, P < 0.01; hs-CRP: r = 0.390, P < 0.01; NT-proBNP: r = 0.509, P < 0.01). CONCLUSIONS: Serum miR-222 was independently associated with AF in patients with DVHD.
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