Abstract

We reviewed data from the Cooperative Cardiovascular Project (CCP). This project is a database of one of the largest number of elderly patients with an acute myocardial infarction (AMI). Pulse pressure data was analyzed by quartile to determine the impact of Calcium channel blockers (CCBs) on survival of elderly patients. Data was not analyzed as to specific types of CCBs. (See Table)

Pulse pressurereceivng CCBnot receivng CCBdifference in riskrelative risk95% confidence interval
white male 18,061
≤46mmHG4644146400.11.0031.000-1.005
46.1-55mmHG413598903.01.1611.158-1.163
55.1-66mmHG470693612.21.341.132-1.137
66.1-157mmHG457671873.01.1571.155-1.159
white female 17,664
≤46mmHG321887661.11.0481.046-1.051
46.1-55mmHG351875501.81.0861.083-1.088
55.1-66mmHG469584061.21.0551.179-1.182
66.1-157mmHG623387624.41.1811.179-1.182
black male 3,842
≤46mmHG248736-0.90.9680.939-0.996
46.1-55mmHG2524481.71.0661.036-1.095
55.1-66mmHG260455-2.60.9020.870-0.934
66.1-157mmHG287396-2.60.9150.888-0.942
black female 2,392
≤46mmHG285655-1.10.9610.937-0.986
46.1-55mmHG284520-9.30.7210.693-0.749
55.1-66mmHG408607-1.80.9340.913-0.954
66.1-157mmHG593670-4.90.8570.843-0.870
Pulse pressurereceivng CCBnot receivng CCBdifference in riskrelative risk95% confidence interval
white male 18,061
≤46mmHG4644146400.11.0031.000-1.005
46.1-55mmHG413598903.01.1611.158-1.163
55.1-66mmHG470693612.21.341.132-1.137
66.1-157mmHG457671873.01.1571.155-1.159
white female 17,664
≤46mmHG321887661.11.0481.046-1.051
46.1-55mmHG351875501.81.0861.083-1.088
55.1-66mmHG469584061.21.0551.179-1.182
66.1-157mmHG623387624.41.1811.179-1.182
black male 3,842
≤46mmHG248736-0.90.9680.939-0.996
46.1-55mmHG2524481.71.0661.036-1.095
55.1-66mmHG260455-2.60.9020.870-0.934
66.1-157mmHG287396-2.60.9150.888-0.942
black female 2,392
≤46mmHG285655-1.10.9610.937-0.986
46.1-55mmHG284520-9.30.7210.693-0.749
55.1-66mmHG408607-1.80.9340.913-0.954
66.1-157mmHG593670-4.90.8570.843-0.870
Pulse pressurereceivng CCBnot receivng CCBdifference in riskrelative risk95% confidence interval
white male 18,061
≤46mmHG4644146400.11.0031.000-1.005
46.1-55mmHG413598903.01.1611.158-1.163
55.1-66mmHG470693612.21.341.132-1.137
66.1-157mmHG457671873.01.1571.155-1.159
white female 17,664
≤46mmHG321887661.11.0481.046-1.051
46.1-55mmHG351875501.81.0861.083-1.088
55.1-66mmHG469584061.21.0551.179-1.182
66.1-157mmHG623387624.41.1811.179-1.182
black male 3,842
≤46mmHG248736-0.90.9680.939-0.996
46.1-55mmHG2524481.71.0661.036-1.095
55.1-66mmHG260455-2.60.9020.870-0.934
66.1-157mmHG287396-2.60.9150.888-0.942
black female 2,392
≤46mmHG285655-1.10.9610.937-0.986
46.1-55mmHG284520-9.30.7210.693-0.749
55.1-66mmHG408607-1.80.9340.913-0.954
66.1-157mmHG593670-4.90.8570.843-0.870
Pulse pressurereceivng CCBnot receivng CCBdifference in riskrelative risk95% confidence interval
white male 18,061
≤46mmHG4644146400.11.0031.000-1.005
46.1-55mmHG413598903.01.1611.158-1.163
55.1-66mmHG470693612.21.341.132-1.137
66.1-157mmHG457671873.01.1571.155-1.159
white female 17,664
≤46mmHG321887661.11.0481.046-1.051
46.1-55mmHG351875501.81.0861.083-1.088
55.1-66mmHG469584061.21.0551.179-1.182
66.1-157mmHG623387624.41.1811.179-1.182
black male 3,842
≤46mmHG248736-0.90.9680.939-0.996
46.1-55mmHG2524481.71.0661.036-1.095
55.1-66mmHG260455-2.60.9020.870-0.934
66.1-157mmHG287396-2.60.9150.888-0.942
black female 2,392
≤46mmHG285655-1.10.9610.937-0.986
46.1-55mmHG284520-9.30.7210.693-0.749
55.1-66mmHG408607-1.80.9340.913-0.954
66.1-157mmHG593670-4.90.8570.843-0.870

The data showed that at matching Pulse pressure quartile elderly African-American men and elderly African-American women had a lower relative risk of death than their white counterparts while receiving CCBs in the two year period following AMI. This data suggests a trend in survival benefit of elderly African-Americans treated with CCBs post-AMI.

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