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KMID : 0603820070130010011
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Journal of Experimental & Biomedical Science
2007 Volume.13 No. 1 p.11 ~ p.15
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Different Levels of Platelet Activation in Normal Pregnancy and Pregnancy-induced Hypertension (PIH)
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Jo Yoon-Kyung
Lim Ji-Ae
Eom Yong-Bin
Suh Sang-Hoon
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Abstract
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We examined the effects of pregnancy and pregnancy-induced hypertension (PIH) on platelet activation. Thirty-six women with PIH (blood pressure > 140/90 mm Hg after two consecutive measurements after the 24 {th} weeks of gestation) without proteinuria, fifty-six normotensive pregnant women, and fifty non-pregnant women were studied. WBC, RBC, platelet related variables, including mean platelet component (MPC), mean platelet volume (MPV) and platelet component distribution width (PCDW) were determined for this study. MPC levels were significantly lower in women with PIH compared with normotensive pregnant women and non-pregnant women (P<0.05). MPC levels were inversely con-elated with PIH (r=-0.49, P<0.001), systolic BP (r=-0.22, P<0.01), diastolic BP (r=-0.17, P<0.005), WBC (r=-0.30, P<0.001), MPV (r=-0.41, P<0.001), and PCDW (r=-0.68, P<0.001), and positively con-elated with RBC (r=0.32, P<0.001), platelet count (r=0.21, P<0.05), and mean platelet mass (MPM) (r=0.18, P<0.05). MPC levels were found to be an independent factor associated with PIH and PCDW (P<0.01) after adjustments were made for potential confounding factors such as gestational age, systolic blood pressure, diastolic blood pressure, WBC, RBC, Platelet count, and PCDW. In conclusion, MPC levels were significantly lower in women with PIH, and MPC levels were found to be an independent factor associated with PIH and PCDW. Therefore, platelet activation is suggested as a useful predictor for patients with PIH.
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KEYWORD
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Pregnant, Hypertension, Platelet activation, Mean platelet component
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