Relationship between serum low-density lipoprotein cholesterol and in-hospital mortality following acute myocardial infarction (the lipid paradox)

The American Journal of Cardiology
Vanessa S ReddyInvestigators of National Registry of Myocardial Infarction (NRMI) 4b–5

Abstract

Lipoprotein levels are currently recognized as independent risk factors for long-term cardiovascular events after acute myocardial infarction (AMI). During the acute-phase reaction after AMI, previous studies have reported trends of decreased low-density lipoprotein cholesterol (LDL-C), increased triglycerides, and variable high-density lipoprotein cholesterol (HDL-C) levels. However, the association between LDL-C and HDL-C levels and in-hospital mortality has not been well established following AMI. The relationship between lipid levels and in-hospital all-cause mortality in 115,492 patients hospitalized for AMI (July 2002 to December 2006), registered in the National Registry of Myocardial Infarction (NRMI) 4b-5, was evaluated using multivariable-adjusted logistic regression models. Mean LDL-C was 104 ± 38, HDL-C was 41 ± 14, and triglycerides 143 ± 83 mg/dl. Compared with the lowest quartile of LDL-C (<77 mg/dl), the risk of in-hospital mortality in the second to fourth quartiles was decreased (adjusted odds ratio 0.79, 0.80, and 0.85, respectively). For HDL-C, only those in the lowest quartile (<31 mg/dl) had higher risk of in-hospital mortality (odds ratio 1.20) compared with the highest quartile (≥47 mg/dl). Results from ...Continue Reading

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Nov 5, 2015·Heart, Lung & Circulation·Mehmet Baran KarataşOsman Bolca
Mar 16, 2017·Journal of Internal Medicine·A G OlssonL Yvan-Charvet
Jan 27, 2016·Circulation·Laxmi S MehtaUNKNOWN American Heart Association Cardiovascular Disease in Women and Special Populations Committee of the Council on Clinical Card
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