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Sökning: WFRF:(Thøgersen Anna M)

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1.
  • Thögersen, Anna M, et al. (författare)
  • Interactions between fibrinolysis, lipoproteins and leptin related to a first myocardial infarction.
  • 2004
  • Ingår i: European Journal of Cardiovascular Prevention & Rehabilitation. - 1741-8267. ; 11:1, s. 33-40
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: The summarized importance of haemostatic and metabolic variables (insulin, lipids including lipoprotein (a) [Lp(a)] and leptin) in predicting first myocardial infarction, as well as possible interactions among these variables, have not been reported. DESIGN: A prospective case-control study nested within the Northern Sweden Health and Disease Cohort. METHODS: Sixty-two men diagnosed with a first myocardial infarction were sex- and age-matched with 124 controls. Conditional logistic regression was conducted including established risk factors, plasma levels of plasminogen activator inhibitor-1 (PAI-1), tissue plasminogen activator (tPA) mass concentration, von Willebrand factor, insulin, proinsulin, specific insulin, apolipoprotein A-I (apo A-I), Lp(a), and leptin. Interaction analysis was also performed for tPA, apo A-I, Lp(a), leptin and proinsulin. RESULTS: Smoking, low plasma levels of apo A-I and high plasma levels of cholesterol, Lp(a), tPA, PAI-1, proinsulin and leptin were associated with myocardial infarction in univariate conditional logistic regression analysis. High tPA [odds ratio (OR), 21.3; 95% confidence interval (CI), 2.04-222] and Lp(a) (OR, 7.21; 95% CI, 1.31-39.8) and low apo A-I (OR, 0.15; 95% CI, 0.02-0.93) remained significant risk determinants in multivariate analysis with smoking habits, body mass index, hypertension, cholesterol, and diabetes included as covariates. There were non-significant synergic interactions between high Lp(a) and leptin and tPA, respectively, and between high Lp(a) and low apo A-I. CONCLUSION: Plasma levels of tPA, Lp(a), and apo A-I are independently associated with subsequent development of a first myocardial infarction in men.
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2.
  • Thøgersen, Anna M., et al. (författare)
  • Changes in plasma C-reactive protein and hemostatic factors prior to and after a first myocardial infarction with a median follow-up time of 8 years
  • 2009
  • Ingår i: Blood Coagulation and Fibrinolysis. - 0957-5235. ; 20:5, s. 340-346
  • Tidskriftsartikel (refereegranskat)abstract
    • The objective of this study was to determine whether a first myocardial infarction leads to increased plasma levels of hemostatic factors and high sensitive C-reactive protein (hs-CRP) and whether the association between theses biomarkers and myocardial infarction was greater at follow-up compared with baseline. Of more than 36,000 persons screened in northern Sweden, 78 developed a first myocardial infarction (on average 18 months after sampling) in a population-based, prospective, nested patient-referent study. Fifty of these had participated in a follow-up health survey (on average 8 and a half years between surveys) and were sex-matched and age-matched with 56 referents. The mean increases in hs-CRP, tissue plasminogen activator (tPA) mass, plasminogen activator inhibitor-1 mass, and tPA/plasminogen activator inhibitor-1 complex concentration and von Willebrand factor among patients and referents were comparable during follow-up. Conditional logistic regression indicated that hs-CRP was not significantly associated with first myocardial infarction in a univariate analysis, whereas high plasma levels of tPA and creatinine were significantly associated with outcome at baseline and follow-up. tPA/plasminogen activator inhibitor-1 complex was not superior to tPA as a risk marker in this study. A first myocardial infarction did not in this study induce significantly different changes in plasma levels of hs-CRP and hemostatic factors among patients compared with referents during follow-up.
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