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Related Experiment Videos

Rheumatoid arthritis and macrovascular disease.

J K Alkaabi1, M Ho, R Levison

  • 1University Department of Medicine, Ninewells Hospital and Medical School, Dundee DD1 9SY, UK. jkalkaabi@hotmail.com

Rheumatology (Oxford, England)
|February 22, 2003
PubMed
Summary
This summary is machine-generated.

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Rheumatoid arthritis patients show increased subclinical vascular disease, including carotid and peripheral arterial disease, and elevated QT dispersion. Steroid use is a potential risk factor for this vascular risk.

Area of Science:

  • Cardiovascular Medicine
  • Rheumatology
  • Vascular Biology

Background:

  • Rheumatoid arthritis (RA) is associated with an increased risk of cardiovascular disease.
  • Subclinical atherosclerosis may precede overt cardiovascular events in RA patients.

Purpose of the Study:

  • To compare subclinical atherosclerosis in RA patients versus controls.
  • To identify vascular risk factors in RA patients.

Main Methods:

  • 40 RA patients and matched controls underwent non-invasive vascular tests: carotid duplex scanning (intima-media thickness, IMT), ankle-brachial blood pressure index (ABPI), and QT dispersion (QTD) on ECG.
  • Assessment of traditional risk factors including hypertension, dyslipidemia, and steroid usage.

Main Results:

Related Experiment Videos

  • RA patients exhibited significantly higher mean IMT (0.73 mm vs 0.62 mm) and QTD (55 ms vs 40 ms) compared to controls.
  • A higher prevalence of peripheral arterial disease (ABPI < 1.0) was observed in RA patients (25% vs 2.5%).
  • Long-term steroid use in RA patients was associated with increased QTD.

Conclusions:

  • RA patients have a significantly increased risk of subclinical vascular disease.
  • Carotid disease, peripheral arterial disease, and elevated QTD are more prevalent in RA patients.
  • Steroid usage is identified as a potential risk factor contributing to vascular disease in RA.