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The contribution of six polymorphisms to cardiovascular risk in a Dutch high-risk primary care population: the

A W Plat1, H E J H Stoffers, O H Klungel

  • 1Department of General Practice, School for Public Health and Primary Care (CAPHRI), Maastricht University Medical Center, Maastricht, The Netherlands.

Insights

Genetic variations in six key genes showed a protective effect against cardiovascular disease (CVD) in a Dutch population. However, these genetic markers offered minimal improvement in predicting CVD risk alongside traditional factors.

Area of Science:

  • Genetics
  • Cardiovascular Medicine
  • Epidemiology

Background:

  • Cardiovascular disease (CVD) poses a significant health burden, particularly in populations with prevalent risk factors.
  • Understanding the genetic underpinnings of CVD is crucial for improving risk prediction and prevention strategies.

Purpose of the Study:

  • To investigate the association between six specific gene polymorphisms and the occurrence of CVD in a Dutch primary care setting.
  • To evaluate the predictive value of these polymorphisms for CVD risk.

Main Methods:

  • A cross-sectional case-control study involving 232 CVD patients and 571 controls.
  • Genotyping was performed for AGTR1, AGT, ACE, NOS3, GNB3, and ADD1 polymorphisms.
  • Univariate, multivariate, and Receiver Operating Characteristic (ROC) analyses were employed.

Main Results:

  • No significant differences in genotype or allele frequencies were observed between CVD cases and controls.
  • The T-allele of AGT and ADD1 demonstrated a significant protective association with CVD (OR=0.55 and OR=0.52, respectively).
  • Adding the six polymorphisms to traditional risk factors provided only a marginal improvement in CVD risk prediction via ROC analysis.

Conclusions:

  • While AGT and ADD1 polymorphisms show a protective effect, their overall contribution to cardiovascular risk prediction in this primary care population is limited.
  • These specific genetic polymorphisms are unlikely to be major determinants of CVD risk in the Dutch primary care setting studied.

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