| Seasonal variation of some metabolic and haemostatic risk factors in subjects with and without coronary artery disease. | |
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MedLine Citation:
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PMID: 11505078 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Acute myocardial infarction (AMI) is more frequent in winter months than in summer months. The aetiologic mechanisms underlying this seasonal pattern are poorly understood. We investigate whether seasonal variation of metabolic and haemostatic coronary risk factors exists, and whether this variation is more pronounced in subjects with coronary artery disease (CAD). In 82 subjects (47 free of clinical signs of CAD and in 35 survivors of AMI), measurements of body mass index (BMI), lipoproteins, glucose, insulin, plasminogen activator inhibitor-1, tissue-type plasminogen activator (t-PA), euglobulin clot lysis time, fibrinogen, and platelet count were performed twice in the cold months (December and March) and twice in the warm months (June and September). Significantly higher BMI (26.8 versus 26.2 kg/m2, P < 0.01), glucose (5.5 versus 5.1 mmol/l, P < 0.01), total cholesterol (5.61 versus 5.32 mmol/l, P < 0.05), low-density lipoprotein cholesterol (3.63 versus 3.34 mmol/l, P < 0.05), triglycerides (1.79 versus 1.61 mmol/l, P < 0.01), Lp(a) (270.7 versus 237.5 mg/l, P < 0.01), fibrinogen level (3.50 versus 2.95 g/l, P < 0.00001), platelet count (212 x 10(9) versus 173 x 10(9)/l, P < 0.01) and significantly lower high-density lipoprotein cholesterol level (1.22 versus 1.28 mmol/l, P < 0.05) were observed in the cold months compared with the warm months. Significant seasonal variation of t-PA activity (1.19 versus 0.87 IU/ml, P = 0.015) and t-PA antigen (8.5 versus 7.3 ng/ml, P = 0.05) was demonstrated only in subjects with CAD. Clustering of peak values of several metabolic and haemostatic coronary risk factors was observed in winter months. This variation might be of aetiopathogenetic importance for the seasonal pattern of acute myocardial infarction. |
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Authors:
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A Mavri; B Guzic-Salobir; B Salobir-Pajnic; I Keber; J Stare; M Stegnar |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Blood coagulation & fibrinolysis : an international journal in haemostasis and thrombosis Volume: 12 ISSN: 0957-5235 ISO Abbreviation: Blood Coagul. Fibrinolysis Publication Date: 2001 Jul |
Date Detail:
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Created Date: 2001-08-15 Completed Date: 2002-07-02 Revised Date: 2007-11-15 |
Medline Journal Info:
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Nlm Unique ID: 9102551 Medline TA: Blood Coagul Fibrinolysis Country: England |
Other Details:
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Languages: eng Pagination: 359-65 Citation Subset: IM |
Affiliation:
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Department of Angiology, University Medical Centre, Ljubljana, Slovenia. alenka.mavri@trnovo.kclj.si |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Acute Disease Adult Blood Coagulation Factors / metabolism Blood Glucose / analysis Body Mass Index Case-Control Studies Coronary Artery Disease / blood, epidemiology, etiology* Female Hemostatics / blood* Humans Lipids / blood Male Middle Aged Risk Factors Seasons* |
| Chemical | |
Reg. No./Substance:
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0/Blood Coagulation Factors; 0/Blood Glucose; 0/Hemostatics; 0/Lipids |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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