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Thromb Haemost. 1993 Dec 20;70(6):915-20.

The role of beta-fibrinogen genotype in determining plasma fibrinogen levels in young survivors of myocardial infarction and healthy controls from Sweden.

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1
Department of Medicine, University College London Medical School, Rayne Institute, UK.

Abstract

Beta-fibrinogen G/A-455 polymorphism genotype was determined in 123 young survivors of myocardial infarction and 86 healthy controls from Sweden. Frequency of the A-455 allele was 0.25 (95% Confidence Interval 0.21-0.29) in both patients and controls, significantly higher than that reported previously (0.19, 95% CI 0.16-0.22) in 292 men from the UK. Mean plasma fibrinogen level was significantly higher in patients (3.6 g/l) than in controls (3.1 g/l), with p < 0.001. Genotype was significantly associated with (adjusted) plasma fibrinogen level in controls (p = 0.003). This effect was confined to the smokers (n = 50) where mean fibrinogen level was significantly (p = 0.001) higher in G/A-455 and A/A-455 individuals (3.5 g/l) compared with G/G-455 homozygotes (2.9 g/l). There was a significant interaction between smoking status and genotype in determining plasma fibrinogen levels in the controls. These data provide independent confirmation of the association between beta-fibrinogen G/A-455 genotype and plasma fibrinogen levels previously observed in healthy men from the UK.

PMID:
8165611
[Indexed for MEDLINE]

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