Pharmacy-dispensed drugs for secondary prevention after myocardial infarction.

Secondary prophylactic drugs are important for avoiding further cardiovascular events after myocardial infarction. We have examined whether patients collect these drugs from pharmacies and whether there are differences in survival between those who collect versus do not collect the drugs. All patients <80 years registered in the Norwegian Myocardial Infarction Registry in 2013-16 were included in the study. The Norwegian Prescription Database was used to determine whether patients collected their prescriptions from pharmacies. During the study period, 32 328 patients under the age of 80 were registered in the Norwegian Myocardial Infarction Registry, of whom 96 % were discharged alive. The proportion of patients who were prescribed acetylsalicylic acid was 95 %, two antiplatelet agents, 83 %; a statin, 90 %; beta-blockers, 76 %; and ACE inhibitors/AII receptor blockers, 55 %. The proportions of patients who collected each of these drugs from a pharmacy within six months were 94 %, 90 %, 96 %, 95 % and 94 %, respectively. The combined incidence of death, stroke and myocardial infarction during the follow-up period (median 944 days) was higher among patients who did not collect all of their prescribed drugs (adjusted HR 1.7; 95 % CI 1.6-1.8). Among patients who died, the median time to death was 509 days for those who collected all of their prescribed drugs versus 126 days for those who did not (p <0.001). Most patients do collect prescribed drugs from a pharmacy after myocardial infarction. A shorter time to death among patients who do not collect the drugs may suggest a high degree of general morbidity in this group.

Citation

Jarle Jortveit, Sigrun Halvorsen, Jørund Langørgen. Pharmacy-dispensed drugs for secondary prevention after myocardial infarction. Tidsskrift for den Norske laegeforening : tidsskrift for praktisk medicin, ny raekke. 2020 Mar 17;140(4)

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PMID: 32192264

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