Familial hypercholesterolemia related admission for acute coronary syndrome in the United States: Incidence, predictors, and outcomes

Babikir Kheiri, Timothy F. Simpson, Mohammed Osman, Sudarshan Balla, Hind Rahmouni, Anurag Mehta, Yashashwi Pokharel, Khurram Nasir, Sergio Fazio, Michael D. Shapiro

Research output: Contribution to journalArticlepeer-review

Abstract

Background: Individuals with Familial Hypercholesterolemia (FH) are at high risk for atherosclerotic cardiovascular disease (ASCVD) events. Objectives: The purpose of this study was to evaluate the incidence, predictors, and outcomes of admissions for acute coronary syndromes (ACS) in this high-risk group. Methods: Utilizing the National Readmission Databases, we identified individuals with or without FH admitted to participating hospitals for ACS. The primary outcome was admission for recurrent ACS at 11 month follow-up. Results: There were a total of 1,697,513 ACS admissions from 10/2016 to 12/2017 (non-FH=1,696,979 and FH=534). Individuals with FH admitted for ACS were younger (median age 57 vs 69 y), had fewer comorbidities (hypertension 74.7% vs 79.6%; diabetes mellitus 30.5% vs 39.0%;p<0.01), were more likely to present with ST-elevation-myocardial infarction (32.8% vs 22.6%;p<0.01) and more likely to undergo multivessel percutaneous coronary intervention (11.4% vs 7.6%;p<0.01) than patients without FH. After propensity-score matching, FH patients more commonly experienced in-hospital VT arrest (11.8% vs 8.0%;p<0.01) and required more mechanical circulatory support (8.6% vs 3.3%; p<0.01). The 30-day readmission in those with FH was more frequently for cardiovascular disease (81.5% vs 46.5%; =p<0.01). At 11-month follow-up, FH patients were more likely to be readmitted with recurrent ACS compared to those without FH (hazard ratio=2.34; 95% confidence interval=1.30-4.23; p<0.01). Conclusions: Individuals with FH admitted for ACS are younger, have fewer comorbidities, and more frequently present with STEMIs compared to those without FH. FH patients were more likely to suffer in-hospital cardiac complications and have a higher incidence of recurrent ACS.

Original languageEnglish (US)
Pages (from-to)460-465
Number of pages6
JournalJournal of clinical lipidology
Volume15
Issue number3
DOIs
StatePublished - May 1 2021

Keywords

  • Familial hypercholesterolemia: acute coronary syndrome
  • atherosclerotic cardiovascular disease
  • readmission

ASJC Scopus subject areas

  • Internal Medicine
  • Endocrinology, Diabetes and Metabolism
  • Nutrition and Dietetics
  • Cardiology and Cardiovascular Medicine

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