期刊
CLINICAL EPIDEMIOLOGY
卷 14, 期 -, 页码 737-748出版社
DOVE MEDICAL PRESS LTD
DOI: 10.2147/CLEP.S361258
关键词
low-density lipoprotein cholesterol; myocardial infarction; statin; ezetimibe; proprotein convertase subtilisin; kexin type 9 inhibitors
资金
- Amgen, Inc.
The study found that LDL-C testing rates were lower than recommended by clinical guidelines among patients hospitalized for myocardial infarction. This highlights a potential gap in care, where increased LDL-C testing after MI may provide opportunities for modifying lipid-lowering therapies and reducing the risk of subsequent cardiovascular events.
Background: Routine monitoring of low-density lipoprotein cholesterol (LDL-C) identifies patients who may benefit from modifying lipid-lowering therapies (LLT). However, the extent to which LDL-C testing is occurring in clinical practice is unclear, specifically among patients hospitalized for a myocardial infarction (MI). Methods: Using US commercial claims data, we identified patients with an incident MI hospitalization between 01/01/2008-03/31/2019. LDL-C testing was assessed in the year before admission (pre-MI) and the year after discharge (post-MI). Changes in LDL-C testing were evaluated using a Poisson model fit to pre-MI rates and extrapolated to the post-MI period. We predicted LDL-C testing rates if no MI had occurred (ie, based on pre-MI trends) and estimated rate differences and ratios (contrasting observed vs predicted rates). Results: Overall, 389,367 patients were hospitalized for their first MI during the study period. In the month following discharge, 9% received LDL-C testing, increasing to 27% at 3 months and 52% at 12 months. Mean rates (tests per 1000 patients per month) in the pre-and post-MI periods were 51.9 (95% CI: 51.7, 52.1) and 84.4 (95% CI: 84.1, 84.6), respectively. Over 12 months post-MI, observed rates were higher than predicted rates; the maximum rate difference was 66 tests per 1000 patients in month 2 (rate ratio 2.2), stabilizing at a difference of 15???20 (ratio 1.2???1.3) for months 6???12. Conclusion: Although LDL-C testing increased following MI hospitalization, rates remained lower than recommended by clinical guidelines. This highlights a potential gap in care, where increased LDL-C testing after MI may provide opportunities for LLT modification and decrease risk of subsequent cardiovascular events.
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