Journal
HEART AND VESSELS
Volume 33, Issue 11, Pages 1275-1281Publisher
SPRINGER
DOI: 10.1007/s00380-018-1182-9
Keywords
Mean platelet volume; Vitamin D; 25(OH)D; Coronary artery disease
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There is little published data on the association of platelet function and 25(OH)D concentration. We investigated the associations between mean platelet volume (MPV) and 25(OH)D concentration in patients with stable coronary artery disease. Study population was divided into three groups: group 125(OH)D<10ng/mL (N=22), group 225(OH)D 10-20ng/mL (N=42), and group 325(OH)D>20ng/mL (N=14). Study groups shared similar demographics. MPV values were the highest in group 1, moderate in group 2, and the lowest in group 3 (11.1 vs 10.4 vs 9.8fL P<0.001). There was a negative correlation between MPV and 25(OH)D (R=-0.38, P=0.001). ROC analysis demonstrated a moderate predictive value (AUC 0.70) in identifying the discrimination thresholds of MPV (>10.5fL) for vitamin D deficiency and a weak predictive value (AUC 0.65) in identifying the discrimination thresholds of 25(OH)D concentration (15.5ng/mL) for the presence of large platelets (MPV over the upper limit of normal). In conclusion, even though the effect of vitamin D on platelet size and function is probably multifactorial, our study provides further evidence linking vitamin D to thrombosis and hemostasis. Platelets are another potential element through which vitamin D deficiency could exert adverse cardiovascular outcomes.
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