Lipoprotein-Associated Phospholipase A2 Activity and Mass as Independent Risk Factor of Stroke: A Meta-Analysis

Background. The association between lipoprotein-associated phospholipase A2 (Lp-PLA2) and stroke risk is inconsistent. We conducted a meta-analysis to determine whether elevated Lp-PLA2 is a risk factor for stroke. Methods. Studies were included if they reported Lp-PLA2 mass and/or activity levels a...

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Veröffentlicht in:BioMed research international 2019-01, Vol.2019 (2019), p.1-11
Hauptverfasser: Hu, Yunzhao, Huang, Weijun, Tong, Huiyu, Liu, Deping, Hu, Gaifeng, Huang, Yuli
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container_issue 2019
container_start_page 1
container_title BioMed research international
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creator Hu, Yunzhao
Huang, Weijun
Tong, Huiyu
Liu, Deping
Hu, Gaifeng
Huang, Yuli
description Background. The association between lipoprotein-associated phospholipase A2 (Lp-PLA2) and stroke risk is inconsistent. We conducted a meta-analysis to determine whether elevated Lp-PLA2 is a risk factor for stroke. Methods. Studies were included if they reported Lp-PLA2 mass and/or activity levels and adjusted risk estimates of stroke. The primary outcome was overall stroke incidence. The combined results were shown as relative risks (RRs) with 95% confidence intervals (CI) for per 1 standard deviation (SD) higher value of Lp-PLA2 and the highest versus lowest Lp-PLA2 category. Results. Twenty-two studies involving 157,693 participants were included for analysis. After adjusting for conventional risk factors, the RRs for overall stroke with 1 SD higher Lp-PLA2 activity and mass were 1.07 (95% CI 1.02–1.13) and 1.11 (95% CI 1.04–1.19), respectively. The RRs of ischemic stroke with 1 SD higher Lp-PLA2 activity and mass were 1.08 (95% CI 1.01–1.15) and 1.11 (95% CI 1.02–1.22), respectively. When comparing the highest and lowest levels of Lp-PLA2, the RRs of stroke for Lp-PLA2 activity and mass were 1.26 (95% CI 1.03–1.54) and 1.56 (95% CI 1.21–2.00), respectively. Finally, when comparing the highest and lowest levels of Lp-PLA2, the pooled RRs of ischemic stroke for Lp-PLA2 activity and mass were 1.29 (95% CI 1.07–1.56) and 1.68 (95% CI 1.12–2.53), respectively. Conclusions. Elevated baseline Lp-PLA2 levels, detected either by activity or mass, are associated with increased stroke risk.
doi_str_mv 10.1155/2019/8642784
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The association between lipoprotein-associated phospholipase A2 (Lp-PLA2) and stroke risk is inconsistent. We conducted a meta-analysis to determine whether elevated Lp-PLA2 is a risk factor for stroke. Methods. Studies were included if they reported Lp-PLA2 mass and/or activity levels and adjusted risk estimates of stroke. The primary outcome was overall stroke incidence. The combined results were shown as relative risks (RRs) with 95% confidence intervals (CI) for per 1 standard deviation (SD) higher value of Lp-PLA2 and the highest versus lowest Lp-PLA2 category. Results. Twenty-two studies involving 157,693 participants were included for analysis. After adjusting for conventional risk factors, the RRs for overall stroke with 1 SD higher Lp-PLA2 activity and mass were 1.07 (95% CI 1.02–1.13) and 1.11 (95% CI 1.04–1.19), respectively. The RRs of ischemic stroke with 1 SD higher Lp-PLA2 activity and mass were 1.08 (95% CI 1.01–1.15) and 1.11 (95% CI 1.02–1.22), respectively. When comparing the highest and lowest levels of Lp-PLA2, the RRs of stroke for Lp-PLA2 activity and mass were 1.26 (95% CI 1.03–1.54) and 1.56 (95% CI 1.21–2.00), respectively. Finally, when comparing the highest and lowest levels of Lp-PLA2, the pooled RRs of ischemic stroke for Lp-PLA2 activity and mass were 1.29 (95% CI 1.07–1.56) and 1.68 (95% CI 1.12–2.53), respectively. Conclusions. Elevated baseline Lp-PLA2 levels, detected either by activity or mass, are associated with increased stroke risk.</description><identifier>ISSN: 2314-6133</identifier><identifier>EISSN: 2314-6141</identifier><identifier>DOI: 10.1155/2019/8642784</identifier><identifier>PMID: 31236414</identifier><language>eng</language><publisher>Cairo, Egypt: Hindawi Publishing Corporation</publisher><subject>1-Alkyl-2-acetylglycerophosphocholine Esterase - blood ; 1-Alkyl-2-acetylglycerophosphocholine Esterase - genetics ; Aged ; Arteriosclerosis ; Atherosclerosis ; Biomarkers - blood ; Cardiovascular disease ; Cohort Studies ; Confidence intervals ; FDA approval ; Female ; Health risk assessment ; Health risks ; Heart ; Humans ; Internal medicine ; Ischemia ; Lipoproteins ; Male ; Medical research ; Medicine, Experimental ; Meta-analysis ; Metabolism ; Metabolites ; Middle Aged ; Mortality ; Phospholipase ; Phospholipase A2 ; Phospholipases ; Prospective Studies ; Quality ; Risk analysis ; Risk Factors ; Stroke ; Stroke (Disease) ; Stroke - blood ; Stroke - epidemiology ; Stroke - genetics ; Stroke - pathology ; Studies ; Thrombosis</subject><ispartof>BioMed research international, 2019-01, Vol.2019 (2019), p.1-11</ispartof><rights>Copyright © 2019 Gaifeng Hu et al.</rights><rights>COPYRIGHT 2019 John Wiley &amp; Sons, Inc.</rights><rights>Copyright © 2019 Gaifeng Hu et al. This is an open access article distributed under the Creative Commons Attribution License (the “License”), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. 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The association between lipoprotein-associated phospholipase A2 (Lp-PLA2) and stroke risk is inconsistent. We conducted a meta-analysis to determine whether elevated Lp-PLA2 is a risk factor for stroke. Methods. Studies were included if they reported Lp-PLA2 mass and/or activity levels and adjusted risk estimates of stroke. The primary outcome was overall stroke incidence. The combined results were shown as relative risks (RRs) with 95% confidence intervals (CI) for per 1 standard deviation (SD) higher value of Lp-PLA2 and the highest versus lowest Lp-PLA2 category. Results. Twenty-two studies involving 157,693 participants were included for analysis. After adjusting for conventional risk factors, the RRs for overall stroke with 1 SD higher Lp-PLA2 activity and mass were 1.07 (95% CI 1.02–1.13) and 1.11 (95% CI 1.04–1.19), respectively. The RRs of ischemic stroke with 1 SD higher Lp-PLA2 activity and mass were 1.08 (95% CI 1.01–1.15) and 1.11 (95% CI 1.02–1.22), respectively. When comparing the highest and lowest levels of Lp-PLA2, the RRs of stroke for Lp-PLA2 activity and mass were 1.26 (95% CI 1.03–1.54) and 1.56 (95% CI 1.21–2.00), respectively. Finally, when comparing the highest and lowest levels of Lp-PLA2, the pooled RRs of ischemic stroke for Lp-PLA2 activity and mass were 1.29 (95% CI 1.07–1.56) and 1.68 (95% CI 1.12–2.53), respectively. Conclusions. 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The association between lipoprotein-associated phospholipase A2 (Lp-PLA2) and stroke risk is inconsistent. We conducted a meta-analysis to determine whether elevated Lp-PLA2 is a risk factor for stroke. Methods. Studies were included if they reported Lp-PLA2 mass and/or activity levels and adjusted risk estimates of stroke. The primary outcome was overall stroke incidence. The combined results were shown as relative risks (RRs) with 95% confidence intervals (CI) for per 1 standard deviation (SD) higher value of Lp-PLA2 and the highest versus lowest Lp-PLA2 category. Results. Twenty-two studies involving 157,693 participants were included for analysis. After adjusting for conventional risk factors, the RRs for overall stroke with 1 SD higher Lp-PLA2 activity and mass were 1.07 (95% CI 1.02–1.13) and 1.11 (95% CI 1.04–1.19), respectively. The RRs of ischemic stroke with 1 SD higher Lp-PLA2 activity and mass were 1.08 (95% CI 1.01–1.15) and 1.11 (95% CI 1.02–1.22), respectively. When comparing the highest and lowest levels of Lp-PLA2, the RRs of stroke for Lp-PLA2 activity and mass were 1.26 (95% CI 1.03–1.54) and 1.56 (95% CI 1.21–2.00), respectively. Finally, when comparing the highest and lowest levels of Lp-PLA2, the pooled RRs of ischemic stroke for Lp-PLA2 activity and mass were 1.29 (95% CI 1.07–1.56) and 1.68 (95% CI 1.12–2.53), respectively. Conclusions. Elevated baseline Lp-PLA2 levels, detected either by activity or mass, are associated with increased stroke risk.</abstract><cop>Cairo, Egypt</cop><pub>Hindawi Publishing Corporation</pub><pmid>31236414</pmid><doi>10.1155/2019/8642784</doi><tpages>11</tpages><orcidid>https://orcid.org/0000-0001-5104-567X</orcidid><orcidid>https://orcid.org/0000-0003-2299-3560</orcidid><oa>free_for_read</oa></addata></record>
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subjects 1-Alkyl-2-acetylglycerophosphocholine Esterase - blood
1-Alkyl-2-acetylglycerophosphocholine Esterase - genetics
Aged
Arteriosclerosis
Atherosclerosis
Biomarkers - blood
Cardiovascular disease
Cohort Studies
Confidence intervals
FDA approval
Female
Health risk assessment
Health risks
Heart
Humans
Internal medicine
Ischemia
Lipoproteins
Male
Medical research
Medicine, Experimental
Meta-analysis
Metabolism
Metabolites
Middle Aged
Mortality
Phospholipase
Phospholipase A2
Phospholipases
Prospective Studies
Quality
Risk analysis
Risk Factors
Stroke
Stroke (Disease)
Stroke - blood
Stroke - epidemiology
Stroke - genetics
Stroke - pathology
Studies
Thrombosis
title Lipoprotein-Associated Phospholipase A2 Activity and Mass as Independent Risk Factor of Stroke: A Meta-Analysis
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