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Impact of family history of coronary artery disease in young individuals (from the CONFIRM registry)

  • Yuka Otaki
  • , Heidi Gransar
  • , Daniel S. Berman
  • , Victor Y. Cheng
  • , Damini Dey
  • , Fay Y. Lin
  • , Stephan Achenbach
  • , Mouaz Al-Mallah
  • , Matthew J. Budoff
  • , Filippo Cademartiri
  • , Tracy Q. Callister
  • , Hyuk Jae Chang
  • , Kavitha Chinnaiyan
  • , Benjamin J.W. Chow
  • , Augustin Delago
  • , Martin Hadamitzky
  • , Joerg Hausleiter
  • , Philipp Kaufmann
  • , Erica Maffei
  • , Gilbert Raff
  • Leslee J. Shaw, Todd C. Villines, Allison Dunning, James K. Min
  • Cedars-Sinai Medical Center
  • David Geffen School of Medicine at UCLA
  • New York-Presbyterian Hospital
  • Friedrich Alexander Universität Erlangen-Nürnberg
  • Henry Ford Hospital
  • Los Angeles Biomedical Research Institute at Harbor-UCLA Medical Center
  • Giovanni XXIII Hospital
  • Erasmus University Medical Center
  • Tennessee Heart and Vascular Institute
  • Severance Cardiovascular Hospital
  • William Beaumont Hospital
  • University of Ottawa
  • Capitol Cardiology Associates
  • Technical University of Munich
  • University Hospital Zurich
  • Emory University School of Medicine
  • Walter Reed Medical Center

Research output: Contribution to journalArticlepeer-review

56 Scopus citations

Abstract

Although family history (FH) of coronary artery disease (CAD) is considered a risk factor for future cardiovascular events, the prevalence, extent, severity, and prognosis of young patients with FH of CAD have been inadequately studied. From 27,125 consecutive patients who underwent coronary computed tomographic angiography, 6,308 young patients (men aged <55 years and women aged <65 years) without known CAD were identified. Obstructive CAD was defined as >50% stenosis in a coronary artery >2 mm diameter. Risk-adjusted logistic regression, Kaplan-Meier, and Cox proportional-hazards models were used to compare patients with and without FH of CAD. Compared with subjects without FH of CAD, those with FH of CAD (FH+) had higher prevalences of any CAD (40% vs 30%, p <0.001) and obstructive CAD (11% vs 7%, p <0.001), with multivariate odds of FH+ increasing the likelihood of obstructive CAD by 71% (p <0.001). After a mean follow-up period of 2 ± 1 years (42 myocardial infarctions and 39 all-cause deaths), FH+ patients experienced higher annual rates of myocardial infarction (0.5% vs 0.2%, log-rank p = 0.001), with a positive FH the strongest predictor of myocardial infarction (hazard ratio 2.6, 95% confidence interval 1.4 to 4.8, p = 0.002). In conclusion, young FH+ patients have higher presence, extent, and severity of CAD, which are associated with increased risk for myocardial infarction. Compared with other clinical CAD risk factors, positive FH in young patients is the strongest clinical predictor of future unheralded myocardial infarction.

Original languageEnglish
Pages (from-to)1081-1086
Number of pages6
JournalAmerican Journal of Cardiology
Volume111
Issue number8
DOIs
StatePublished - 15 Apr 2013

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