Depression and Progression of Subclinical Cardiovascular Disease in Systemic Lupus Erythematosus
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Published on: June 8, 2022
April Jorge1, Apinya Lertratanakul2, Jungwha Lee2
1Massachusetts General Hospital, Boston, and Northwestern University, Chicago, Illinois.
Insights
Women with systemic lupus erythematosus (SLE) and depression experience faster atherosclerosis progression. Depression may increase subclinical atherosclerosis risk in SLE patients, highlighting a modifiable risk factor for cardiovascular disease prevention.
Area of Science:
- Cardiology
- Rheumatology
- Psychiatry
Background:
- Systemic lupus erythematosus (SLE) significantly increases women's risk of premature cardiovascular disease (CVD).
- Depression is linked to increased inflammation, a potential pathway to CVD development.
- The interplay between SLE, depression, and atherosclerosis progression requires further investigation.
Purpose of the Study:
- To investigate the association between depression and the progression of subclinical atherosclerosis.
- To evaluate whether depression exacerbates atherosclerosis in women with SLE compared to controls.
Main Methods:
- A 5-year prospective case-control study involving 149 SLE patients and 126 controls.
- Assessment included CVD risk factors, depression screening, and ultrasound of carotid intima-media thickness (CIMT) and plaque.
- SLE disease activity was also monitored in the SLE cohort.
Main Results:
- Women with SLE had a higher prevalence of depression (29%) than controls (11%).
- Baseline depression correlated with increased CIMT progression in SLE patients, independent of traditional CVD risk factors (0.064 mm vs. 0.026 mm increase).
- No significant association was found between depression and carotid plaque progression in either group.
Conclusions:
- Depression is associated with accelerated subclinical atherosclerosis, measured by CIMT, in women with SLE.
- This suggests depression, a modifiable factor, may contribute to the heightened CVD risk in SLE.
- Targeting depression could be a strategy to mitigate cardiovascular risk in this population.
Objective:
Women with systemic lupus erythematosus (SLE) have an increased incidence of premature cardiovascular disease (CVD). A relationship between depression and increased inflammation leading to CVD has been proposed. The aim of this study was to evaluate the relationship between depression and the progression of subclinical atherosclerosis in women with SLE.
Methods:
In this prospective case-control study, 149 participants with SLE and 126 controls were followed over 5 years. Evaluation included laboratory studies, assessment of CVD risk factors, depression screening, ultrasound evaluations of carotid intima-media thickness (CIMT) and carotid plaque, and assessment of SLE disease activity for the SLE cases.
Results:
The SLE group had a higher rate of depression: 29% compared with 11% in the control group (P = 0.003). When controlling for traditional CVD risk factors, the presence of baseline depression correlated with increased progression of CIMT in the SLE group, but not in the control group. The mean increase in CIMT was 0.026 mm in the SLE group without depression versus 0.064 mm in the depressed SLE group (P = 0.0096). There was no association between depression and carotid plaque in either group, with a calculated odds ratio for plaque progression in the depressed SLE group of 1.118 (95% confidence interval 0.476, 2.623) in the adjusted model.
Conclusion:
Women with SLE and concomitant depression have an increased risk of developing subclinical atherosclerosis, as measured by CIMT, but not by carotid plaque. The data suggest that depression, a potentially modifiable risk factor, may contribute to the increased risk of subclinical atherosclerosis in women with SLE.
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