科研之友
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摘要
Background: Medication adherence is important for optimal secondary stroke prevention. We evaluated short-term adherence to antihypertensive and lipid-lowering agents after a new ischemic stroke, as predictor of adherence at 1 and 2 years. Methods: A 5-year cohort of patients from 11 institutions in the Registry of the Canadian Stroke Network was linked to population-based administrative health records. Patients diagnosed with acute ischemic stroke and discharged home were included. Medication adherence was assessed through documented prescription filling at 7 days, 1 year, and 2 years. Results: From 2003 to 2008, 6437 ischemic stroke patients were discharged home from hospital, and 1126 patients filled a prescription for antihypertensive and lipid-lowering agents within 7 days of discharge. Patients provided with a prescription at discharge were more likely to show adherence at 7 days. Adherence at 1 year remains higher in these patients for antihypertensive (93.8% vs. 87.7%; odds ratio [OR], 2.31; 95% confidence interval [CI], 1.69-3.16), lipid-lowering agents (88% vs. 81.6%; OR, 1.77; 95% CI, 1.36-2.32), or both (85.8% vs. 79.9%; OR, 1.72; 95% CI, 1.32-2.25). Findings are similar at 2 years for antihypertensive (92.2% vs. 87.7%; OR, 1.78; 95% CI, 1.3-2.43), lipid-lowering agents (82.6% vs. 79.0%; OR, 1.31; 95% CI, 1.01-1.69), or both (81.1% vs. 77.0%; OR, 1.4; 95% CI, 1.09-1.82). Conclusions: Provision of a prescription strengthens adherence at 1 week from discharge for both prior and new users of antihypertensive and lipid-lowering drugs. Medication adherence at 1 week after discharge for acute ischemic stroke predicts adherence for secondary preventive therapies at 1 and 2 years.
- 出版日期2014-10
