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Increased aortic pulse wave velocity in middle aged women with systemic lupus erythematosus

N Bjarnegråd1, C Bengtsson, J Brodszki

  • 1Department of Medicine and Care, University of Linköping, Jonköping Hospital, Sweden. niklas.bjarnegard@lj.se

Lupus
|November 24, 2006
PubMed

Insights

Systemic lupus erythematosus (SLE) patients show increased arterial stiffness, specifically in central arteries. This finding in women with SLE may explain their higher cardiovascular disease risk.

Area of Science:

  • Cardiovascular research
  • Rheumatology
  • Medical diagnostics

Background:

  • Systemic lupus erythematosus (SLE) is a multi-organ autoimmune disease.
  • Patients with SLE face a heightened risk of cardiovascular disease (CVD) beyond traditional risk factors.
  • Understanding subclinical cardiovascular changes in SLE is crucial for risk stratification.

Purpose of the Study:

  • To investigate arterial stiffness and central hemodynamics in women with SLE.
  • To compare these parameters between SLE patients and age-matched healthy controls.
  • To identify potential correlations between arterial stiffness and inflammatory markers in SLE.

Main Methods:

  • Arterial tonometry was employed to measure pulse wave velocity (PWV) and other hemodynamic parameters.
  • Aortic (carotid-femoral) and arm (carotid-radial) PWV were assessed.
  • Key metrics included reflected pressure waves and aortic augmentation index (AIx).

Main Results:

  • Women with SLE exhibited significantly higher aortic PWV compared to controls (9.8 vs. 8.2 m/s, P < 0.01).
  • This difference persisted after adjusting for mean arterial pressure and BMI (9.5 vs. 8.5 m/s, P < 0.05).
  • Aortic PWV correlated positively with C-reactive protein (CRP) and complement factor 3 (C3) levels.

Conclusions:

  • Women with SLE demonstrate increased stiffness of their elastic central arteries.
  • Elevated aortic stiffness is a potential contributor to the increased CVD risk observed in SLE patients.
  • These findings highlight the importance of assessing arterial stiffness in SLE management.

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