[Association of small, dense low density lipoprotein with stroke]. 2003

Xiao-ning Liu, and Yan Gao, and Jue Ye, and Dao-wen Wang, and Yu-hua Liao, and Ai-qun Ma, and Zhi-ming Zhu, and Bing-rang Zhao, and Ji-zong Zhao, and Ru-tai Hui
Sino-German Laboratory for Molecular Medicine, Fuwai Cardiovascular Hospital, Chinese Academy of Medical Sciences, Beijing 100037 China.

OBJECTIVE To investigate the relationship between small, dense LDL (sLDL) and stroke in Chinese population. METHODS The plasma level of sLDL was examined by 2% - 16% nondenatured gradient gel electrophoresis in 204 patients with stroke, including 103 cases of ischemic cerebral infarction (ICI), 51 cases of lacunar infarction (LI), and 50 cases of subcortical hemorrhage (SH), and in 341 sex- and age-matched controls in China. Traditional risk factors for stroke were investigated as well. RESULTS The plasma level of sLDL was significantly higher in patients with ICI and LI (54 +/- 8% and 52 +/- 7%) than in the controls (47 +/- 11%, both P < 0.01). However, the plasma sLDL of the CH patients was 50 +/- 9%, not significantly different from that of the controls (P > 0.05). Multiple stepwise regression analysis showed that sLDL was significantly associated with systolic blood pressure, age, and the levels of triglyceride, high-density lipoprotein cholesterol, and low-density lipoprotein cholesterol (all P < 0.05). Multivariate logistic regression analysis showed that those with sLDL > 50% had increase of risk of ischemic cerebral infarction (OR = 3.1, 95% CI 1.649 - 5.691, P < 0.001) independent of other risk factors. The relationship between sLDL abnormality and LI and between sLDL abnormality and SH had no statistical significance (both P > 0.05). CONCLUSIONS sLDL is significantly associated with ischemic cerebral infarction independent of other risk factors in Chinese population. sLDL may be a new marker for stroke at least in this Chinese population.

UI MeSH Term Description Entries
D008077 Lipoproteins, LDL A class of lipoproteins of small size (18-25 nm) and light (1.019-1.063 g/ml) particles with a core composed mainly of CHOLESTEROL ESTERS and smaller amounts of TRIGLYCERIDES. The surface monolayer consists mostly of PHOSPHOLIPIDS, a single copy of APOLIPOPROTEIN B-100, and free cholesterol molecules. The main LDL function is to transport cholesterol and cholesterol esters to extrahepatic tissues. Low-Density Lipoprotein,Low-Density Lipoproteins,beta-Lipoprotein,beta-Lipoproteins,LDL(1),LDL(2),LDL-1,LDL-2,LDL1,LDL2,Low-Density Lipoprotein 1,Low-Density Lipoprotein 2,LDL Lipoproteins,Lipoprotein, Low-Density,Lipoproteins, Low-Density,Low Density Lipoprotein,Low Density Lipoprotein 1,Low Density Lipoprotein 2,Low Density Lipoproteins,beta Lipoprotein,beta Lipoproteins
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D002543 Cerebral Hemorrhage Bleeding into one or both CEREBRAL HEMISPHERES including the BASAL GANGLIA and the CEREBRAL CORTEX. It is often associated with HYPERTENSION and CRANIOCEREBRAL TRAUMA. Brain Hemorrhage, Cerebral,Cerebral Parenchymal Hemorrhage,Hemorrhage, Cerebral,Intracerebral Hemorrhage,Hemorrhage, Cerebrum,Brain Hemorrhages, Cerebral,Cerebral Brain Hemorrhage,Cerebral Brain Hemorrhages,Cerebral Hemorrhages,Cerebral Parenchymal Hemorrhages,Cerebrum Hemorrhage,Cerebrum Hemorrhages,Hemorrhage, Cerebral Brain,Hemorrhage, Cerebral Parenchymal,Hemorrhage, Intracerebral,Hemorrhages, Cerebral,Hemorrhages, Cerebral Brain,Hemorrhages, Cerebral Parenchymal,Hemorrhages, Cerebrum,Hemorrhages, Intracerebral,Intracerebral Hemorrhages,Parenchymal Hemorrhage, Cerebral,Parenchymal Hemorrhages, Cerebral
D002544 Cerebral Infarction The formation of an area of NECROSIS in the CEREBRUM caused by an insufficiency of arterial or venous blood flow. Infarcts of the cerebrum are generally classified by hemisphere (i.e., left vs. right), lobe (e.g., frontal lobe infarction), arterial distribution (e.g., INFARCTION, ANTERIOR CEREBRAL ARTERY), and etiology (e.g., embolic infarction). Anterior Choroidal Artery Infarction,Cerebral Infarct,Infarction, Cerebral,Posterior Choroidal Artery Infarction,Subcortical Infarction,Cerebral Infarction, Left Hemisphere,Cerebral Infarction, Right Hemisphere,Cerebral, Left Hemisphere, Infarction,Cerebral, Right Hemisphere, Infarction,Infarction, Cerebral, Left Hemisphere,Infarction, Cerebral, Right Hemisphere,Infarction, Left Hemisphere, Cerebral,Infarction, Right Hemisphere, Cerebral,Left Hemisphere, Cerebral Infarction,Left Hemisphere, Infarction, Cerebral,Right Hemisphere, Cerebral Infarction,Right Hemisphere, Infarction, Cerebral,Cerebral Infarctions,Cerebral Infarcts,Infarct, Cerebral,Infarction, Subcortical,Infarctions, Cerebral,Infarctions, Subcortical,Infarcts, Cerebral,Subcortical Infarctions
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly
D012307 Risk Factors An aspect of personal behavior or lifestyle, environmental exposure, inborn or inherited characteristic, which, based on epidemiological evidence, is known to be associated with a health-related condition considered important to prevent. Health Correlates,Risk Factor Scores,Risk Scores,Social Risk Factors,Population at Risk,Populations at Risk,Correlates, Health,Factor, Risk,Factor, Social Risk,Factors, Social Risk,Risk Factor,Risk Factor Score,Risk Factor, Social,Risk Factors, Social,Risk Score,Score, Risk,Score, Risk Factor,Social Risk Factor
D016015 Logistic Models Statistical models which describe the relationship between a qualitative dependent variable (that is, one which can take only certain discrete values, such as the presence or absence of a disease) and an independent variable. A common application is in epidemiology for estimating an individual's risk (probability of a disease) as a function of a given risk factor. Logistic Regression,Logit Models,Models, Logistic,Logistic Model,Logistic Regressions,Logit Model,Model, Logistic,Model, Logit,Models, Logit,Regression, Logistic,Regressions, Logistic

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