OBJECTIVE: To determine whether the angiotensin converting enzyme (ACE) and the angiotensin II type 1 receptor (AT(1)R A1166C) gene polymorphism interact to increase the risk of ischaemic events, and whether this can be explained by the progression of angiographically defined coronary atherosclerosis. DESIGN: Prospective defined substudy of the lipid lowering regression trial (REGRESS). SETTING: University hospital. PATIENTS: 885 male patients with stable coronary artery disease. MAIN OUTCOME MEASURES: Incidence of ischaemic events during a two year follow up; serial quantitative coronary arteriography (mean segment diameter and minimum obstruction diameter) at baseline and after two years. RESULTS: Patients who carried both the ACE-DD and AT(1)R-CC genotype had significantly more ischaemic events during the two year follow up than those carrying other genotype combinations (p = 0.035, Mantel-Haenszel test for linear association). There was no association between the two genotypes and mean segment diameter or minimum obstruction diameter at baseline or after two years. CONCLUSIONS: The suggestion that ACE-DD and AT(1)R-CC genotypes interact to increase the risk of ischaemic events is confirmed. However, this increased risk was not accompanied by increased progression of angiographically defined coronary atherosclerosis.
OBJECTIVE: To determine whether the angiotensin converting enzyme (ACE) and the angiotensin II type 1 receptor (AT(1)R A1166C) gene polymorphism interact to increase the risk of ischaemic events, and whether this can be explained by the progression of angiographically defined coronary atherosclerosis. DESIGN: Prospective defined substudy of the lipid lowering regression trial (REGRESS). SETTING: University hospital. PATIENTS: 885 male patients with stable coronary artery disease. MAIN OUTCOME MEASURES: Incidence of ischaemic events during a two year follow up; serial quantitative coronary arteriography (mean segment diameter and minimum obstruction diameter) at baseline and after two years. RESULTS:Patients who carried both the ACE-DD and AT(1)R-CC genotype had significantly more ischaemic events during the two year follow up than those carrying other genotype combinations (p = 0.035, Mantel-Haenszel test for linear association). There was no association between the two genotypes and mean segment diameter or minimum obstruction diameter at baseline or after two years. CONCLUSIONS: The suggestion that ACE-DD and AT(1)R-CC genotypes interact to increase the risk of ischaemic events is confirmed. However, this increased risk was not accompanied by increased progression of angiographically defined coronary atherosclerosis.
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Authors: E Arbustini; M Grasso; R Fasani; C Klersy; M Diegoli; E Porcu; N Banchieri; P Fortina; C Danesino; G Specchia Journal: Br Heart J Date: 1995-12
Authors: Joanna Borzyszkowska; Anna Stanislawska-Sachadyn; Marcin Wirtwein; Wojciech Sobiczewski; Dariusz Ciecwierz; Radoslaw Targonski; Marcin Gruchala; Andrzej Rynkiewicz; Janusz Limon Journal: J Appl Genet Date: 2012-02-04 Impact factor: 3.240