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Elevated Plasma Platelet Activating Factor, Platelet Activating Factor Acetylhydrolase Levels and Risk of Coronary Heart Disease or Blood Stasis Syndrome of Coronary Heart Disease in Chinese: A Case Control Study

A Case–Control Study

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Abstract

The purpose of the study was to explore the association between plasma platelet activating factor (PAF) and platelet activating factor acetylhydrolase (PAF-AH) levels and risk of coronary heart disease (CHD) or blood stasis syndrome (BSS) of CHD. Questionnaire, routine clinical assays and plasma levels of PAF, PAF-AH and inflammatory factors hs-CRP and IL-6 were investigated or measured for 120 controls and 150 CHD patients (66 non-BSS and 84 BSS). Plasma PAF levels were higher in CHD patients [49.7 (34.8–73.2 pg/mL)] than in controls [23.8 (14.9–42.3 pg/mL)] (P < 0.001), and in BSS [56.0 (40.1–86.1 pg/mL)] than in non-BSS [47.4 (29.0–67.4 pg/mL)] (P = 0.027). Similarly, plasma PAF-AH levels were higher in CHD patients [11.5 (7.5–15.6 μmol/L)] than in controls [8.1 (5.4–12.6 μmol/L)] (P < 0.001), and in BSS [13.4 (8.7–18.5 μmol/L)] than in non-BSS [9.5 (7.3–14.3 μmol/L)] (P = 0.014). After adjustment for the confounded effects of inflammatory factors or conventional risk factors, plasma PAF and PAF-AH levels still had a significant difference between CHD patients and controls, but plasma PAF-AH rather than PAF levels had a significant difference between BSS and non-BSS. Elevated plasma PAF level contributed to the risk of CHD rather than BSS, and elevated plasma PAF-AH level was an independent risk factor of CHD and BSS.

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Abbreviations

APTT:

Activated partial thromboplastin time

BMI:

Body mass index

BSS:

Blood stasis syndrome

CHD:

Coronary heart disease

95 % CI:

95 % confidence interval

ECG:

Electrocardiography

ELSA:

Enzyme-linked immunosorbent assay

HDL-C:

High density lipoprotein cholesterol

hs-CRP:

High sensitivity C-reaction protein

IL-6:

Interleukin 6

LDL-C:

Low density lipoprotein cholesterol

LP-PLA2:

Lipoprotein-associated phospholipase A2

OR:

Odds ratio

PAF:

Platelet activating factor

PAF-AH:

Platelet activating factor acetylhydrolase

PT:

Prothrombin time

SD:

Standard deviation

TC:

Total cholesterol

TCM:

Traditional Chinese medicine

TG:

Triglycerides

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Acknowledgments

This study was supported by research funds from the National Natural Science Foundation of China (grant No: 81072726, National Natural Science Foundation of China, Beijing, China) and the Natural Science Foundation of Fujian province (grant No. 2009J01163, Fujian Provincial Department of Science and Technology, Fujian, China).

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Correspondence to Guo-Hua Zheng.

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Zheng, GH., Xiong, SQ., Mei, LJ. et al. Elevated Plasma Platelet Activating Factor, Platelet Activating Factor Acetylhydrolase Levels and Risk of Coronary Heart Disease or Blood Stasis Syndrome of Coronary Heart Disease in Chinese: A Case Control Study. Inflammation 35, 1419–1428 (2012). https://doi.org/10.1007/s10753-012-9455-4

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