Effect of Vitamin D Replacement on Atrial Electromechanical Delay in Subjects with Vitamin D Deficiency

Journal of Cardiovascular Electrophysiology
Uğur CanpolatDursun Aras

Abstract

Limited data are available regarding cardiac arrhythmias in vitamin D (VitD) deficiency. Therefore, we aimed to assess whether atrial electromechanical delay (AEMD) measured by tissue Doppler imaging (TDI), which is an indicator for atrial fibrillation (AF) development, is prolonged in patients with VitD deficiency as compared to the control group. The effect of vitD replacement on AEMD was also evaluated. In this prospective study a total of 28 VitD-deficient and 56 age-, gender-, and BMI-matched VitD-sufficient healthy participants were enrolled. P-wave dispersion (PWd) was calculated on the 12-lead electrocardiogram. Both intra- and inter-AEMD were calculated by TDI. Measurements were performed at baseline in both groups and were repeated after 6-month replacement therapy in subjects with vitD deficiency. PWd and inter- and left intra-AEMD were significantly prolonged in patients with VitD deficiency compared to the control group (P < 0.001). While serum 25(OH)D levels were significantly and negatively correlated with left intra-AEMD (r = -0.657, P < 0.001), there was a positive correlation between serum 25(OH)D level and PWd (r = 0.523, P < 0.001). The serum 25(OH)D level was found as the independent predictor of the both l...Continue Reading

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Citations

Feb 6, 2016·Europace : European Pacing, Arrhythmias, and Cardiac Electrophysiology : Journal of the Working Groups on Cardiac Pacing, Arrhythmias, and Cardiac Cellular Electrophysiology of the European Society of Cardiology·Alvaro AlonsoPamela L Lutsey
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Dec 9, 2017·Europace : European Pacing, Arrhythmias, and Cardiac Electrophysiology : Journal of the Working Groups on Cardiac Pacing, Arrhythmias, and Cardiac Cellular Electrophysiology of the European Society of Cardiology·Yap-Hang ChanHung-Fat Tse

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