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Gout Augments the Risk of Cardiovascular Disease in Patients With Psoriasis: A Population-Based Cohort Study
Zhiyong Chen1, Yiwen Xu1, Miao Chen1
1Department of Rheumatology and Immunology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China.
Insights
Gout significantly increases cardiovascular disease (CVD) risk in psoriasis (PsO) patients, independent of other factors. This highlights the need for integrated management of these conditions to mitigate CVD.
Area of Science:
- Rheumatology
- Cardiology
- Dermatology
Background:
- Psoriasis (PsO) is frequently associated with gout and an elevated risk of cardiovascular diseases (CVD).
- The combined impact of PsO and gout on CVD risk requires further investigation.
Purpose of the Study:
- To evaluate the synergistic effect of gout on the risk of developing CVD in patients with PsO.
- To quantify the independent contribution of gout to CVD risk in PsO patients.
Main Methods:
- A population-based cohort study using Taiwan's National Health Insurance Research Database (2000-2013).
- Propensity score matching (1:4 ratio) for age and gender.
- Cox proportional hazard models and Kaplan-Meier analysis to assess CVD risk.
Main Results:
- Patients with combined PsO and gout showed a 2.39-fold higher risk of CVD compared to PsO alone.
- After adjusting for traditional risk factors, gout alone increased CVD risk (HR 2.16), and combined PsO and gout further elevated it (HR 2.72).
Conclusions:
- Gout acts as an independent risk factor for cardiovascular diseases in patients with psoriasis.
- These findings underscore the critical interplay between PsO, gout, and CVD, necessitating comprehensive patient management strategies.
Objective:
Patients with psoriasis (PsO) have a high frequency of concomitant gout and increased risk of cardiovascular diseases (CVD). We aimed to estimate the synergistic impact of gout on the risk of CVD in patients with PsO.
Methods:
A population-based cohort of patients registered in the National Health Insurance Research Database of Taiwan between 2000 and 2013 was stratified according to the presence of PsO and gout. Propensity score analysis was used to match age and gender at a ratio of 1:4. Cox proportional hazard models and subgroup analyses were used to estimate the hazard ratios (HRs) for CVD adjusted for traditional risk factors. The Kaplan-Meier method was used to plot the cumulative incidence curves.
Results:
Patients with combined PsO and gout (n = 97), PsO alone (n = 388), gout alone (matched, n = 388) and matched controls (n = 388) were identified. Compared with the patients with PsO alone, the patients with combined PsO and gout had a significantly higher risk of CVD (relative risk 2.39, 95% CI 1.56 to 3.65). After adjustment for traditional risk factors, the risk of CVD was higher in patients with gout alone (HR 2.16, 95% CI 1.54 to 3.04) and in patients with combined PsO and gout (HR 2.72, 95% CI 1.73 to 4.28).
Conclusions:
Gout augments the risk of CVD independently of traditional risk factors in patients with PsO.
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