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eISSN: 1643-3750

Angiotensin-converting enzyme gene polymorphism and risk of myocardial infarction in Colombia

Leonelo E. Bautista, María E. Ardila, Germán Gamarra, Clara I. Vargas, Ivan A. Arenas

Med Sci Monit 2004; 10(8): CR473-479

ID: 11741

Published: 2004-08-01


Background:The ACE gene insertion/deletion polymorphism has been studied as a risk factor for acute myocardial infarction (AMI) in different populations with conflicting results.Material/Methods: We conducted a case-control study in first AMI cases matched by age (±5 years) and sex to controls with non-cardiac diseases to ascertain whether Colombian carriers of the DD genotype were at higher risk of AMI than carriers of the ID and II genotypes. Zygosity for the deletion-insertion (D-I) of the ACE gene polymorphism was determined by polymerase chain reaction. Logistic regression with adjustment for matching factors was used to estimate the independent effect of the DD polymorphism after controlling for traditional cardiovascular risk factors.Results: Participants (n=202) had a mean age of 62 years and 32% were women. The distribution of the polymorphism was significantly different (p=0.001) in cases (II 8.9%; ID 51.5%; DD 39.6%) and controls (II 8.9%; ID 64.4%; DD 26.7%). After adjustment for other risk factors, the risk of AMI in subjects with genotype DD was 1.98 times higher than the risk in the combined group of genotypes II and ID (95% CI: 1.01, 3.87; p=0.04). There was a significant DD by age interaction (p=0.002). In subjects p=0.86), while in subjects

Keywords: Aged, Case-Control Studies, Colombia, Female, Genetic Predisposition to Disease, Genotype, Humans, Male, Middle Aged, Myocardial Infarction - genetics, Peptidyl-Dipeptidase A - genetics, Polymorphism, Genetic - genetics, Risk Factors, Aged, Case-Control Studies, Colombia, Female, Genetic Predisposition to Disease, Genotype, Humans, Male, Middle Aged, Myocardial Infarction - genetics, Peptidyl-Dipeptidase A - genetics, Polymorphism, Genetic - genetics, Risk Factors



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