BACKGROUND: There are limited number of studies about relationship between serum vitamin D level and presence and severity of coronary artery disease (CAD). We assessed the relationship between the extent and complexity of CAD assessed by SYNTAX score and 25-hydroxyvitamin D level in patients with stable CAD. METHODS: In the study, 209 consecutive patients with stable CAD (age: 63.1 ± 10.0 years) and 102 healthy control subjects (age 61.3 ± 13.7 years) were included. Serum 25-hydroxyvitamin D was measured using a direct competitive chemiluminescent immunoassay and other biochemical markers were measured in all subjects. All subjects underwent coronary angiography and SS was calculated. RESULTS: The mean serum 25-hydroxyvitamin D level of CAD group was lower than the control group (P < 0,001). Multivariate regression analysis showed that serum 25-hydroxyvitamin D level was independently associated with SYNTAX score (β = -0.396, P < 0.001), hypertension (β = -0.183, P = 0.003), high sensitive C-reactive protein (β = -0.141, P = 0.014), and body mass index (β = -0.135, P = 0.023) in patient group. CONCLUSION: 25-Hydroxyvitamin D level was associated with extent and complexity of CAD. 25-Hydroxyvitamin D may play a role in pathogenesis and severity of coronary atherosclerosis.
BACKGROUND: There are limited number of studies about relationship between serum vitamin D level and presence and severity of coronary artery disease (CAD). We assessed the relationship between the extent and complexity of CAD assessed by SYNTAX score and 25-hydroxyvitamin D level in patients with stable CAD. METHODS: In the study, 209 consecutive patients with stable CAD (age: 63.1 ± 10.0 years) and 102 healthy control subjects (age 61.3 ± 13.7 years) were included. Serum 25-hydroxyvitamin D was measured using a direct competitive chemiluminescent immunoassay and other biochemical markers were measured in all subjects. All subjects underwent coronary angiography and SS was calculated. RESULTS: The mean serum 25-hydroxyvitamin D level of CAD group was lower than the control group (P < 0,001). Multivariate regression analysis showed that serum 25-hydroxyvitamin D level was independently associated with SYNTAX score (β = -0.396, P < 0.001), hypertension (β = -0.183, P = 0.003), high sensitive C-reactive protein (β = -0.141, P = 0.014), and body mass index (β = -0.135, P = 0.023) in patient group. CONCLUSION:25-Hydroxyvitamin D level was associated with extent and complexity of CAD. 25-Hydroxyvitamin D may play a role in pathogenesis and severity of coronary atherosclerosis.
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