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Updated: May 25, 2026

Evaluation of Cerebral Blood Flow Autoregulation in the Rat Using Laser Doppler Flowmetry
07:12

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Published on: January 19, 2020

Blood pressure and vascular dysfunction underlie elevated cerebral blood flow in systemic lupus erythematosus

Charles Gasparovic1, Clifford Qualls, Ernest R Greene

  • 1Pete and Nancy Domenici Hall, University of New Mexico, 1101 Yale Blvd. NE, Albuquerque, NM 87106, USA. chuck@unm.edu

The Journal of Rheumatology
|January 17, 2012
PubMed

Insights

Systemic lupus erythematosus (SLE) is associated with increased cerebral blood flow (CBF), particularly linked to higher systolic blood pressure. This suggests potential cerebrovascular disease in SLE patients.

Area of Science:

  • Neurology
  • Rheumatology
  • Medical Imaging

Background:

  • Cerebral blood flow (CBF) is altered in patients with systemic lupus erythematosus (SLE) compared to healthy individuals.
  • Previous research indicates potential cerebrovascular involvement in SLE.

Purpose of the Study:

  • To investigate the relationship between CBF and clinical data in SLE patients.
  • To identify pathological factors contributing to altered CBF in SLE.

Main Methods:

  • 42 SLE patients and 19 healthy controls were studied.
  • Dynamic susceptibility contrast (DSC) magnetic resonance imaging (MRI) was employed to measure CBF.
  • Clinical and laboratory evaluations were performed concurrently with MRI.

Main Results:

  • SLE patients exhibited higher CBF compared to controls.
  • Elevated CBF in SLE was independently associated with higher systolic blood pressure (SBP).
  • The relationship between CBF and blood pressure/tissue plasminogen activator levels was blunted in SLE patients.

Conclusions:

  • Findings suggest cerebral hyperperfusion in SLE, driven by elevated SBP.
  • Underlying causes may involve functional or structural cerebrovascular disease, including atherosclerosis, thrombosis, or vasculitis.
Abstract

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