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Cardiovascular risk in patients with spondyloarthritis and association with anti-TNF drugs
Shirley Chiu Wai Chan1, Cheong Kay Teo2, Philip Hei Li1
1Division of Rheumatology and Clinical Immunology, The University of Hong Kong, Hong Kong.
Insights
Spondylarthritis (SpA) significantly increases cardiovascular disease risk, independent of other factors. Anti-tumor necrosis factor (TNF) therapy shows promise in reducing these cardiovascular events in SpA patients.
Area of Science:
- Rheumatology
- Cardiovascular Medicine
- Epidemiology
Background:
- Cardiovascular diseases (CVS) are a leading global cause of mortality.
- Patients with rheumatic diseases, including spondylarthritis (SpA), face elevated cardiovascular risk.
- Cardiovascular risk factors and events are prevalent in SpA patients.
Purpose of the Study:
- To delineate cardiovascular risk in patients with SpA.
- To identify modifiable risk factors for cardiovascular events in SpA.
- To compare cardiovascular event incidence between SpA and non-specific back pain (NSBP) cohorts.
Main Methods:
- A cohort study comparing 5046 SpA patients with 2430 NSBP patients.
- Age- and sex-matched analysis of clinical information and cardiovascular events.
- Propensity score adjustment and Cox regression to assess SpA-associated cardiovascular risk.
Main Results:
- SpA patients exhibited higher prevalence of hypercholesterolemia and increased incidence of major adverse cardiovascular events (MACE) and stroke.
- Spondylarthritis (SpA) was identified as an independent risk factor for MACE (HR 1.70) and cerebrovascular events (HR 1.50).
- Anti-tumor necrosis factor (TNF) therapy was associated with significantly reduced MACE and cerebrovascular event risk in SpA patients.
Conclusions:
- Spondylarthritis (SpA) is an independent risk factor for cardiovascular disease.
- Anti-tumor necrosis factor (TNF) therapy demonstrates a protective effect against cardiovascular events in SpA patients.
- Further research into cardiovascular risk management in SpA is warranted.
Background:
Cardiovascular (CVS) diseases are the leading cause of death worldwide and patients with rheumatic diseases have an increased CVS. CVS risk factors and CVS events are common in spondyloarthritis (SpA). Delineating the CVS risk in patients with SpA and identifying modifiable risk factors would be useful.
Methods:
Patients with SpA and patients with non-specific back pain (NSBP) were identified in rheumatology and orthopedics clinics, respectively. Clinical information and CVS events were retrieved. Baseline characteristics and incidence rates of CVS events were compared between two groups of patients using an age- and sex-matched cohort. Propensity score adjustment and Cox regression analysis were performed to determine the CVS risk associated with SpA.
Results:
A total of 5046 patients (SpA 2616 and NSBP 2430) were included from eight centers. Over 56,484 person-years of follow up, 160 strokes, 84 myocardial infarction (MI) and 262 major adverse cardiovascular events (MACE) were identified. Hypercholesterolemia was more prevalent in SpA (SpA 34.2%, NSBP 28.7%, p < 0.01). Crude incidence rates of MACE and stroke were higher in SpA patients. SpA was associated with a higher risk of MACE [hazard ratio (HR) 1.70; 95% confidence interval (CI) 1.29-2.26; p < 0.01] and cerebrovascular events (HR 1.50; 95% CI 1.08-2.07; p = 0.02). SpA patients with anti-TNF use had a reduced risk of MACE (HR 0.37, 95%CI 0.17-0.80, p = 0.01) and cerebrovascular events (HR 0.21, 95%CI 0.06-0.78, p = 0.02) compared with SpA patients without anti-TNF use.
Conclusion:
SpA is an independent CVS risk factor. Anti-tumor necrosis factor (TNF) drugs were associated with a reduced CVS risk in these patients.
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