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Modifiable factors associated with failure to attain low-density lipoprotein cholesterol goal at 6 months after acute myocardial infarction.

Abstract：

BACKGROUND:Although controversial, reducing low-density lipoprotein cholesterol (LDL-C) to target levels remains a common therapeutic goal after acute myocardial infarction (AMI). We sought to illuminate patient and provider characteristics associated with LDL-C goal nonattainment after AMI. METHODS:In an observational registry of 24 US hospitals, we included 366 patients with AMI who had baseline LDL-C levels ≥100 mg/dL and underwent 6-month fasting LDL-C reassessment. Our primary outcome was failure to reach the guideline-recommended LDL-C goal of <100 mg/dL at 6 months post-AMI. RESULTS:One in 3 patients with AMI with initially elevated LDL-C failed to attain LDL-C goal at 6 months. Compared with those who attained LDL-C goal, those who did not were more often discharged without a statin (21% vs 9%, P < .001), despite only 4% having documented contraindications. Patients not achieving LDL-C goal also more frequently discontinued statin use by 6 months (24% vs 6%, P < .001). Multivariable modeling (c index, 0.78) revealed the absence of a statin prescription at discharge and lack of persistence on statin therapy as the strongest independent factors associated with failure to reach LDL-C goal. Additional independent risk factors were patient report of not consistently adhering to prescribed medications, not participating in cardiac rehabilitation, nonwhite race, and lack of insurance. CONCLUSIONS:One-third of patients with AMI with baseline hyperlipidemia do not attain the LDL-C goal of <100 mg/dL at 6 months. Our findings support targeted interventions in the transition of AMI care to promote affordable statin prescription at discharge, medication persistence and adherence, and cardiac rehabilitation participation.

journal_name

Am Heart J

journal_title

American heart journal

authors

Martin SS,Gosch K,Kulkarni KR,Spertus JA,Mathews R,Ho PM,Maddox TM,Newby LK,Alexander KP,Wang TY

doi

10.1016/j.ahj.2012.10.005

subject

Has Abstract

pub_date

2013-01-01 00:00:00

pages

26-33.e3

issue

eissn

0002-8703

issn

1097-6744

pii

S0002-8703(12)00668-0

journal_volume

165

pub_type

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Modifiable factors associated with failure to attain low-density lipoprotein cholesterol goal at 6 months after acute myocardial infarction.