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Use of Lipid Drugs With Acute Myocardial Infarction Patients: An Examination of Physician Prescribing Behaviors
1Department of Medical Education, College of Human Medicine, East Lansing, MI, USA
Insights
Physicians prescribed lipid-lowering drugs infrequently for patients after myocardial infarction (MI). This study highlights low utilization rates for secondary prevention, suggesting other risk factors influence prescribing decisions.
Area of Science:
- Cardiology
- Clinical Pharmacy
Background:
- Lipid-lowering agents improve outcomes in post-myocardial infarction (MI) patients.
- Physician prescribing is influenced by patient factors like age, history, and cholesterol levels.
Purpose of the Study:
- To examine physician prescribing behaviors for lipid-lowering therapy in patients following acute MI.
Main Methods:
- Retrospective study of 129 acute MI patients hospitalized between January and December 1996.
- Data abstracted included patient demographics, medical history, and discharge plans for lipid-lowering interventions, smoking cessation, activity, and diet.
- Descriptive analysis was performed.
Main Results:
- Only 8.8% of patients were discharged on lipid-lowering drugs.
- Reasons for not prescribing included low LDL cholesterol, high HDL cholesterol, or hormone replacement therapy.
- Dietary modification was advised for all patients with available data.
Conclusions:
- Lipid-lowering drug utilization for secondary prevention post-MI is low.
- Other risk-lowering factors may influence the decision to withhold lipid-lowering therapy.
- A cautious approach to prescribing lipid-lowering drugs is common for MI patients due to potential side effects.
Abstract:
BACKGROUND: Clinical trials have shown that the use of lipid-lowering agents in postmyocardial infarction (MI) patients reduces rates of subsequent coronary events, reduces coronary artery bypass surgery rates, and improves survival. Physician decisions to prescribe lipid-lowering drugs is influenced by a number of patient factors, including age, medical history, and serum cholesterol levels. The purpose of this study was to examine physician behaviors in prescribing lipid-lowering therapy in patients after acute MI. METHODS AND RESULTS: A retrospective study was conducted at a local community-based hospital. A total of 129 patients with validated acute MI, hospitalized between January 1996 and December 1996, was included in the study sample. Variables abstracted included patient age, sex, race, primary diagnosis, medical history, lipid-lowering interventions of the discharge plan, and other discharge instructions regarding smoking cessation, activity, and dietary modification. Descriptive analysis was performed. The study showed that only 7 subjects (8.8%) were discharged on lipid-lowering drugs. Several patients who did not undergo therapy had either a low-density lipoprotein concentration of <130 (n = 13), a high-density lipoprotein concentration of >50 (n = 6), or were on hormone replacement therapy (n = 3). Dietary modification was advised in 100% of subjects (n = 54) for whom the data were included in the charts. CONCLUSIONS: The results of this descriptive study suggests that lipid-lowering drugs are being utilized at low rates in the secondary prevention of acute MI. However, additional risk-lowering factors may play a role in the decision to discharge without drugs. Because of potential side effects associated with their use, a prudent path appears to be the norm in prescription of lipid-lowering drug therapy for MI patients.