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[Current status and influence factors of ACEI/ARB application in elderly coronary heart disease outpatients complicated with diabetes mellitus in China].

Objective: To investigate the current status and influence factors of ACEI/ARB application in elderly coronary heart disease outpatients complicated with diabetes mellitus in 21 provinces of China. Methods: In this multicenter, non-intervention and cross-sectional survey, the elderly coronary heart disease patients aged 60 years or over were recruited from 165 hospitals in 21 provinces across China from April to July 2011. Current status and influence factors of ACEI/ARB application among 1 789 cases with diabetes mellitus were investigated in the survey. Results: Totally, 1 069 patients used ACEI/ARB drugs (59.8%); proportion of ACEI (544 cases, 30.4%) drugs were the same as ARB drugs (533 cases, 29.8%) in terms of usage of drug types, and combination of the two drugs were taken by 28 cases (1.6%) at the same time. ACEI/ARB usage decreased with the increasing of age, and the rate of drug usage in male patients was slightly higher than that in female, however there was no statistical difference (both P>0.05); the rate of usage of ACEI/ARB drugs gradually decreased with increasing of coronary heart disease or diabetes duration (P<0.05); the rates of usage of ACEI/ARB drugs in hypertension, dyslipidemia, myocardial infarction, renal insufficiency patients and patients received revascularization therapy were significantly higher (all P<0.05). Multivariable logistic regression analysis showed that hypertension (OR=3.016, 95%CI: 1.376-4.887), dyslipidemia (OR=1.489, 95%CI: 1.114-2.031), revascularization (OR=2.291, 95%CI: 1.276-3.277), myocardial infarction (OR=2.561, 95%CI: 1.571-4.545), renal insufficiency (OR=1.337, 95%CI: 1.145-2.013), and insulin treatment (OR=1.584, 95%CI: 1.084-2.511) were positively correlated with ACEI/ARB usage (P<0.05); and coronary heart disease duration was negatively correlated with ACEI/ARB drugs usage (duration 5-10 years: OR=0.621, 95%CI: 0.416-0.823; duration >10 years, OR=0.664, 95%CI: 0.471-0.840). Conclusions: The rate of usage of ACEI/ARB drugs in elderly coronary heart disease outpatients complicated with diabetes mellitus is still low, however, patients with hypertension, dyslipidemia, myocardial infarction, renal insufficiency and patients received revascularization therapy and insulin treatment are more likely to use ACEI/ARB drugs.