Burden of First and Recurrent Cardiovascular Events Among Patients With Hyperlipidemia

Clin Cardiol. 2015 Aug;38(8):483-91. doi: 10.1002/clc.22428. Epub 2015 Jun 23.

Abstract

Background: Acute cardiovascular (CV) events have been evaluated in patients with specific comorbidities but have not focused on patients with hyperlipidemia or on the their long-term costs.

Objectives: To evaluate incidence of CV events, costs, and resource utilization among patients with hyperlipidemia and baseline risk of CV disease (CVD).

Methods: Patients (age 18 to 64 years) diagnosed with hyperlipidemia or using lipid-modifying medications were identified from administrative claims. Patients were categorized into 3 cohorts based on pre-index clinical characteristics-secondary prevention (SP; history of CV event, n = 15 613); high risk (HR; CVD, n = 47 600); and primary prevention (PP; no CV event history or CVD, n = 60 637)-and followed up to 2 years after the CV event.

Results: During follow-up, ≥1 new CV event occurred in 43.0% of the SP cohort, 33.9% of HR, and 20.9% of PP; and ≥3 new events occurred in 19.8% of the SP cohort, 12.9% of HR, and 5.5% of PP. Incremental total costs were $19 320 for SP, $20 003 for HR, and $17 650 for PP. Compared with patients with only 1 CV event, the mean 2-year cost was 30% higher in patients with 2 CV events and 48% higher in patients with 3 CV events. Only 50% of HR patients (with or without CV events) received statins.

Conclusions: Patients with recurrent CV events had higher total health care costs during 24-month follow-up for each type of CV event. Total health care costs among patients with a CV event were higher for the initial as well as subsequent events. Statins and lipid-modifying medications were significantly underutilized in all cohorts, despite the presence of CVD.

Publication types

  • Observational Study
  • Research Support, Non-U.S. Gov't

MeSH terms

  • Adolescent
  • Adult
  • Cardiovascular Diseases / economics
  • Cardiovascular Diseases / epidemiology
  • Cardiovascular Diseases / etiology*
  • Cohort Studies
  • Cost of Illness*
  • Female
  • Health Care Costs / statistics & numerical data*
  • Health Resources / statistics & numerical data*
  • Humans
  • Hyperlipidemias / complications*
  • Hyperlipidemias / economics
  • Incidence
  • Male
  • Middle Aged
  • Retrospective Studies
  • Risk Assessment
  • Young Adult