Patterns and prognostic implications of low high-density lipoprotein levels in patients with non-ST-segment elevation acute coronary syndromes

Matthew T. Roe, Fang Shu Ou, Karen P. Alexander, Laura Kristin Newby, Joanne M. Foody, W. Brian Gibler, William E. Boden, Erik Magnus Ohman, Sidney C. Smith, Eric D. Peterson

Research output: Contribution to journalArticle

21 Scopus citations

Abstract

Aims: The patterns and prognostic significance of low high-density lipoprotein (HDL) cholesterol levels have not been well characterized. We sought to determine the prevalence and prognostic significance of low HDL cholesterol levels in patients with non-ST-segment elevation acute coronary syndromes (NSTE ACS). Methods and results: We evaluated HDL levels among NSTE ACS patients [ischaemic ECG (electrocardiogram) changes and/or positive cardiac markers] from the CRUSADE [Can Rapid Stratification of Unstable Angina Patients Suppress Adverse Outcomes with Early Implementation of the ACC(American College of Cardiology)/AHA(American Heart Association) Guidelines] initiative treated at 555 US hospitals from January 2001 through June 2006. Clinical and angiographic characteristics, treatments, and in-hospital outcomes were analysed by categories of HDL levels measured during hospitalization. Among 93 263 NSTE ACS patients with HDL measurements, 16 854 (18.1%) had very low HDL levels (10-29 mg/dL), 32 185 (34.5%) had low HDL levels (30-39 mg/dL), 35 875 (38.5%) had normal HDL levels (40-59 mg/dL), and 8349 (9.0%) had high HDL levels (60-100 mg/dL). Patients with very low HDL levels were younger, more often male, and more commonly obese and diabetic. Patients with very low HDL levels had the greatest risk of multi-vessel coronary disease on angiography and in-hospital mortality compared with patients with normal and high HDL levels. Conclusion: Almost one-fifth of patients with NSTE ACS have very low HDL levels - a finding that adds incrementally to a greater burden of atherosclerosis and a higher risk of mortality. Consequently, strategies for mitigating the adverse prognosis associated with very low HDL levels warrant further exploration in patients with ACS.

Original languageEnglish (US)
Pages (from-to)2480-2488
Number of pages9
JournalEuropean heart journal
Volume29
Issue number20
DOIs
StatePublished - Oct 1 2008

Keywords

  • High-density lipoprotein cholesterol
  • Non-ST-segment elevation acute coronary syndromes
  • Prognosis

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

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    Roe, M. T., Ou, F. S., Alexander, K. P., Newby, L. K., Foody, J. M., Gibler, W. B., Boden, W. E., Ohman, E. M., Smith, S. C., & Peterson, E. D. (2008). Patterns and prognostic implications of low high-density lipoprotein levels in patients with non-ST-segment elevation acute coronary syndromes. European heart journal, 29(20), 2480-2488. https://doi.org/10.1093/eurheartj/ehn364