Objectives We aimed to quantify the risk of major adverse cardiovascular events (MACE) among patients with psoriatic arthritis (PsA), rheumatoid arthritis (RA), and psoriasis without known PsA compared to the general population after adjusting for traditional cardiovascular risk factors. Methods A population-based longitudinal cohort study from 1994–2010 was performed in The Health Improvement Network (THIN), a primary care medical record database in the United Kingdom. Patients aged 18–89 with PsA, RA, or psoriasis were included. Up to 10 unexposed controls matched on practice and index date were selected for each patient with PsA. Outcomes included cardiovascular death, myocardial infarction, cerebrovascular accidents, and the composite outcome (MACE). Cox proportional hazards models were used to calculate the hazard ratios (HR) for each outcome adjusted for traditional risk factors. A priori we hypothesized an interaction between disease status and disease modifying anti-rheumatic drug (DMARD) use. Results Patients with PsA (N=8,706), RA (N=41,752), psoriasis (N=138,424) and unexposed controls (N=81,573) were identified. After adjustment for traditional risk factors, the risk of MACE was higher in PsA patients not prescribed a DMARD (HR 1.24, 95%CI: 1.03 to 1.49), patients with RA (No DMARD: HR 1.39, 95%CI: 1.28 to 1.50, DMARD: HR 1.58, 95%CI: 1.46 to 1.70), patients with psoriasis not prescribed a DMARD (HR 1.08, 95%CI: 1.02 to 1.15) and patients with severe psoriasis (DMARD users: HR 1.42, 95%CI: 1.17 to 1.73). Conclusions Cardiovascular risk should be addressed with all patients affected by psoriasis, psoriatic arthritis or rheumatoid arthritis.
Background Recent studies suggest that psoriasis, particularly if severe, may be a risk factor for major adverse cardiac events such as myocardial infarction, stroke, and mortality from cardiovascular disease. We compared the risk of major adverse cardiac events between patients with psoriasis and the general population and estimated the attributable risk of severe psoriasis. Methods We performed a cohort study in the General Practice Research Database. Severe psoriasis was defined as receiving a psoriasis diagnosis and systemic therapy (N=3,603). Up to 4 patients without psoriasis were selected from the same practices and start dates for each patient with psoriasis (N=14,330). Results Severe psoriasis was a risk factor for major adverse cardiac events (hazard ratio 1.53; 95% confidence interval 1.26, 1.85) after adjusting for age, gender, diabetes, hypertension, tobacco use and hyperlipidemia. After fully adjusted analysis, severe psoriasis conferred an additional 6.2% absolute risk of 10-year major adverse cardiac events. Conclusions Severe psoriasis confers an additional 6.2% absolute risk of 10-year rate of major adverse cardiac events compared to the general population. This potentially has important therapeutic implications for cardiovascular risk stratification and prevention in patients with severe psoriasis. Future prospective studies are needed to validate these findings.
To evaluate the feasibility of using [18F]fluorodeoxyglucose positron emission tomographycomputed tomography (FDG-PET/CT) to detect and quantify systemic inflammation in patients with psoriasis.Design: Case series with a nested case-control study.Setting: Referral dermatology and preventive cardiology practices.Participants: Six patients with psoriasis affecting more than 10% of their body surface area and 4 controls age and sex matched to 4 of the patients with psoriasis for a nested case-control study. Main Outcome Measures:The FDG uptake in the liver, musculoskeletal structures, and aorta measured by mean standardized uptake value, a measure of FDG tracer uptake by macrophages and other inflammatory cells.Results: FDG-PET/CT identified numerous foci of inflammation in 6 patients with psoriasis within the skin, liver, joints, tendons, and aorta. Inflammation in the joints
Objectives Psoriasis is a Th-1/17 mediated inflammatory disease associated with increased risk of cardiovascular disease (CVD). Inflammation may modulate lipoprotein particle number and directly impair HDL functions, in particular reverse cholesterol transport (RCT). We sought to study how chronic in vivo inflammation modulates lipoprotein particle composition using nuclear magnetic resonance spectroscopy (NMR) and HDL efflux in psoriasis. Methods and Results We prospectively enrolled a consecutive sample of patients with psoriasis (n=122) and compared lipoprotein and metabolic risk factors to patients without psoriasis (n=134). Fasting lipids, insulin, glucose were measured by standard assays, and lipoprotein concentration and size were measured by NMR. In a random subset (n=100 each group), HDL efflux capacity was quantified using a validated ex vivo system involving the incubation of macrophages with apolipoprotein B-depleted serum from patients. Traditional lipid concentrations were similar in both groups except for HDL concentration which was lower in psoriasis (43 mg/dL (36–58) vs 50 (42–62), p<0.01). However, NMR showed an atherogenic profile in psoriasis similar to that observed in diabetes, with significant increase in LDL particle concentration [1210.5 (1002–1498) vs 1115 (935–1291), p=0.03] with decrease in LDL size [20.6 (20.3–21.1) vs 21.3 (20.6–21.1), p<0.001] beyond CV risk factors and HOMA-IR (p=0.001). Finally, HDL efflux capacity was lower in psoriasis compared to controls in fully adjusted models (beta −0.14, p=0.001). Conclusions These data support a more atherogenic lipoprotein profile by NMR and decreased HDL efflux capacity in psoriasis patients compared to controls beyond CVD risk factors. The abnormal lipoprotein particle composition and HDL efflux capacity in psoriasis may provide a link between psoriasis and CVD.
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