Angiotensin converting enzyme DD genotype is associated with hypertensive crisis

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Gere Sunder-Plassmann1, Harald Kittler, Corinna Eberle

  • 1Department of Medicine III, University of Vienna, Austria.

Critical Care Medicine
|October 24, 2002
PubMed

Insights

The angiotensin-converting enzyme (ACE) DD genotype may be linked to hypertensive crisis, particularly in men. This finding sheds light on the genetic factors contributing to this serious medical condition.

Area of Science:

  • Genetics
  • Cardiovascular Medicine
  • Pharmacogenomics

Background:

  • Hypertensive crisis is a serious medical condition with an unknown genetic basis.
  • The renin-angiotensin-aldosterone system plays a crucial role in blood pressure regulation.

Purpose of the Study:

  • To investigate the association between polymorphisms in renin-angiotensin-aldosterone system genes and hypertensive crisis.
  • To identify potential genetic risk factors for hypertensive crisis.

Main Methods:

  • A population-based case-control study was conducted.
  • 182 patients with essential hypertension experiencing hypertensive crisis were compared to 182 healthy controls.
  • Polymorphisms in genes including ACE, AGTR1, REN, RENBP, ADD1, and ADRB2 were analyzed using PCR and RFLP.

Main Results:

  • The angiotensin-converting enzyme (ACE) I/D polymorphism deviated from Hardy-Weinberg equilibrium in patients.
  • The DD genotype of the ACE gene was significantly more frequent in patients (38.5%) compared to controls (28.0%).
  • This association was particularly strong in men, with the DD genotype found in 44% of male patients versus 25.3% of male controls.

Conclusions:

  • A potential association exists between the DD genotype of the ACE gene and hypertensive crisis.
  • The findings suggest that specific genetic variations may increase susceptibility to hypertensive crisis, especially in males.
Abstract

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