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Abstract Objective To evaluate significance of heart care network (HCN) used for drug administration after percutaneous coronary intervention (PCI) in patients with acute ST elevation myocardial infarction (STEMI). Methods Drug usage was investigated by HCN at discharge, 6 months and 12 months after discharge in 562 patients with STEMI undergoing primary PCI. Endpoint events were recorded. Results The prescription rate of asprin, clopidogrel, statin, angiotensin converting enzyme inhibitors (ACEI), angiotensin II receptor blocker (ARB) and beta- receptor blocker decreased to 90.6%, 86.4%, 70.2%, 78.8%and 75.4%, respectively, at 12 months, and was significantly lower than that at discharge (P<0.05). The incidence of endpoint events was significantly different between those taking and not taking aspirin, clopitogrel and statin (P<0.05), but not between those taking and not taking ACEI or ARB and β- receptor blocker. Conclusion It must be emphasized that the patients should take medications regularly after PCI. Heart care network is useful in management of patients after PCI.
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