21 Scopus citations

Abstract

Background: Coronary artery disease (CAD) is a multifactorial disease with acquired and inherited components. Aim: We investigated the roles of family history and consanguinity on CAD risk and age at diagnosis in 4284 patients. The compounded impact of diabetes, hyperlipidemia, hypertension, smoking, and BMI, which are known CAD risk factors, on CAD risk and age at diagnosis was also explored. Methods: CAD was determined by cardiac catheterization. Logistic regression and stratification were performed to determine the impact of family history and consanguinity on risk and onset of CAD, controlling for diabetes, hyperlipidemia, hypertension, smoking, and BMI. Results: Family history of CAD and gender significantly increased the risk for young age at diagnosis of CAD (p< 0.001). Consanguinity did not promote risk of CAD (p= 0.38), but did affect age of disease diagnosis (p< 0.001). The mean age at disease diagnosis was lowest, 54.8 years, when both family history of CAD and consanguinity were considered as unique risk factors for CAD, compared to 62.8 years for the no-risk-factor patient category (p< 0.001). Conclusions: Family history of CAD and smoking are strongly associated with young age at diagnosis. Furthermore, parental consanguinity in the presence of family history lowers the age of disease diagnosis significantly for CAD, emphasizing the role of strong genetic and cultural CAD modifiers. These findings highlight the increased role of genetic determinants of CAD in some population subgroups, and suggest that populations and family structure influence genetic heterogeneity between patients with CAD.

Original languageBritish English
Pages (from-to)559-563
Number of pages5
JournalAtherosclerosis
Volume212
Issue number2
DOIs
StatePublished - 1 Oct 2010

Keywords

  • Atherosclerosis
  • CAD
  • Consanguinity
  • Family History
  • Stenosis

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