Role of vitamin D3 level and Apo-B/Apo-A1 ratio in patients with unstable angina in Kerbala province, Iraq
AbstractObjectives Vitamin D deficiency may be responsible for endothelial dysfunction which in turn affects the onset and progression of coronary artery disease and its risk factors. The Apo B/Apo AI ratio indicates the balance between atherogenic and anti atherogenic particles, the higher the value, the higher is the cardiovascular risk. The aim of study is to find a possible association between unstable angina and vitamin D3, Apo A1, Apo B, and Apo B/Apo A1 ratio and other risk factors (age, body mass index and smoking).Methods This case-control study was conducted during the period from Nov. 2015 to Sep. 2016. A total of 40 patients of unstable angina presented with typical chest pain to the coronary care unit in Al-Hussein Teaching Hospital, Al-Hussein Medical City/ Kerbala. The diagnosis was based on the clinical history and electrocardiography. A total of 50 persons were matched in age, gender and BMI as a control group. The procedures were measured using Auto Immunoassay Analyzer.Results Vitamin D3 deficiency (< 30 ng/mL) was prevalent in unstable angina (UA) compared with controls (vitamin D3 ≥ 30 ng/mL) (odds ratio [OR], 21.93; 95%, confidence interval [CI], 5.91–81.31; P < 0.001). The results obtained that serum 25(OH) D3 was highly significant in smoker compared with non-smoker in both groups (P < 0.001, P < 0.05, respectively). The serum Apo B, Apo A1 and Apo B/Apo A1 ratio were highly significant between both groups (P < 0.01, P < 0.001, P < 0.001, respectively). On the other hand, vitamin D3 recorded significant correlation with each of the age and BMI in control group (all P < 0.01).Conclusion The present study showed a highly significant association between vitamin D3, Apo B, Apo A1 levels, Apo B/Apo A1 ratio and unstable angina as compared with the control group, and significant correlation between vitamin D3 and age, BMI and smoking.Keywords unstable angina, vitamin D3, ApoA1, Apo B, Apo B/Apo A1 ratio
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