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Journal Article
Observational Study
Vitamin D insufficiency is associated with coronary artery tortuosity.
Kardiologia Polska 2017
BACKGROUND: Increasing evidence suggests a relationship between vitamin D (VD) insufficiency and cardiovascular disease.
AIM: We aimed to investigate the association between serum 25-hydroxyvitamin D (25-OH VD) with coronary tortuosity (CT) in patients with normal or near-normal (< 40% stenosis) coronary arteries.
METHODS: The present study was cross-sectional and observational. We enrolled 356 consecutive patients who had undergone coronary angiography for suspected ischaemic heart disease and were found to have normal or near-normal coronary arteries. Patients were categorised as VD insufficient (< 30 ng/mL) or VD sufficient (≥ 30 ng/dL). CT was defined as the presence of ≥ three bends (defined as ≥ 45° change in vessel direction) along the main trunk of at least one coronary artery, present both in systole and in diastole.
RESULTS: The study populations were divided into two groups according to the presence of CT: patients with CT (n = 103, 29%) and patients without CT (NCT; n = 253, 71%). CT is more frequently seen in elderly women and is positively correlated with hypertension. The incidence of VD insufficiency was significantly higher in the CT group (n = 46, 45%) than in the NCT group (n = 90, 36%; p = 0.005). In further multivariate logistic regression analyses, adjustment for major clinical parameters affecting CT showed statistically significant correlations between 25-OH VD and CT (odds ratio = 0.77, 95% confidence interval 0.66-0.98, p = 0.006).
CONCLUSIONS: Vitamin D insufficiency was independently associated with coronary tortuosity.
AIM: We aimed to investigate the association between serum 25-hydroxyvitamin D (25-OH VD) with coronary tortuosity (CT) in patients with normal or near-normal (< 40% stenosis) coronary arteries.
METHODS: The present study was cross-sectional and observational. We enrolled 356 consecutive patients who had undergone coronary angiography for suspected ischaemic heart disease and were found to have normal or near-normal coronary arteries. Patients were categorised as VD insufficient (< 30 ng/mL) or VD sufficient (≥ 30 ng/dL). CT was defined as the presence of ≥ three bends (defined as ≥ 45° change in vessel direction) along the main trunk of at least one coronary artery, present both in systole and in diastole.
RESULTS: The study populations were divided into two groups according to the presence of CT: patients with CT (n = 103, 29%) and patients without CT (NCT; n = 253, 71%). CT is more frequently seen in elderly women and is positively correlated with hypertension. The incidence of VD insufficiency was significantly higher in the CT group (n = 46, 45%) than in the NCT group (n = 90, 36%; p = 0.005). In further multivariate logistic regression analyses, adjustment for major clinical parameters affecting CT showed statistically significant correlations between 25-OH VD and CT (odds ratio = 0.77, 95% confidence interval 0.66-0.98, p = 0.006).
CONCLUSIONS: Vitamin D insufficiency was independently associated with coronary tortuosity.
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