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Heart Vessels. 2015 Jul;30(4):503-9. doi: 10.1007/s00380-014-0514-7. Epub 2014 Apr 23.

Lipoprotein-associated phospholipase A2 is associated with postpartum hypertension in women with history of preeclampsia.

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Guangdong Women and Children Hospital, 13 Guang Yuan Xi Road, Guangzhou, Guangdong province, 510010, People's Republic of China.


Both hypertension and preeclampsia (PE) are considered as inflammatory diseases. Lipoprotein-associated phospholipase A2 (Lp-PLA2) is an inflammatory marker associated with lipid metabolism. We aimed to study the correlation and predictive value of Lp-PLA2 in postpartum hypertension after PE. A group of 160 PE patients (PE group) and a separate group of 160 normal pregnant women (control group) were recruited from January 2010 to October 2011. The average age in the PE group was 28.4 ± 4.5 years and the average gestational age was 34.7 ± 1.1 weeks. The average age in the control group was 27.8 ± 4.5 years and the average gestational age was 35.5 ± 1.2 weeks. General information (including age, gestational age, parity, history of metabolic disease, family history of high blood pressure, height, body weight before childbirth, and blood pressure) and blood samples were collected for measuring Lp-PLA2 and lipid parameters. From February to April in 2013, 153 cases in the PE group and 132 in the control group were re-called. We assessed their postpartum health, pregnancy, height, weight, and blood pressure. Serum mass of Lp-PLA2 in the PE group (210.67 ± 17.98 ng/mL) was significantly higher compared with that in the control group (174.72 ± 30.26 ng/mL) (P < 0.01). The pro-gestation BMI, systolic blood pressure (SBP), diastolic blood pressure, total cholesterol, triglyceride, and low-density lipoprotein-cholesterol (LDL-C) were also significantly higher. Correlation analysis showed that the level of Lp-PLA2 and SBP (r = 0.31), LDL-C (r = 0.37) were positively correlated. The incidence of postpartum hypertension in the PE group was higher than that in the normal control group. Logistic regression analysis showed that prenatal Lp-PLA2 mass was an independent risk factor for PE postpartum hypertension (OR 1.134,95 % CI 1.086-1.185). ROC curve analysis showed that the sensitivity of predicting postpartum hypertension was 73.2% and the specific degree was 86.6%, with Lp-PLA2 level of 217.75 ng/mL for boundary value. The onset of postpartum hypertension in PE patients may contribute to vascular inflammation, which is associated with antepartum lipid metabolism.

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