Prevalence of cardiovascular risk factors in patients with psoriatic arthritis
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Psoriatic arthritis (PsA) is a chronic T cell-mediated inflammatory spondyloarthropathy affecting 10–40 % of psoriasis (PSO) patients (0.3–1.0 % of the general population). Recent epidemiological studies have shown an increased prevalence of cardiovascular (CV) risk factors and/or morbidity among PSO or PsA patients as compared to control individuals. The aim of this study is to describe the CV profile of PsA patients in Newfoundland, Canada. The possible impact of duration of chronic inflammation on CV variables was also explored. PsA patients were selected from a registry of PSO and PsA patients in Newfoundland. PsA patients diagnosed as per the CASPAR criteria are entered in the registry at the time of diagnosis, questioned on their medical history, and are followed indefinitely. Based on the duration since PsA diagnosis patients were classified as having early (<2 years) or established (≥2 years) PsA. CV risk was assessed using both conventional (hypertension, hypercholesterolemia, diabetes, obesity) and non-conventional (markers of chronic inflammation) factors. A total of 196 PsA patients were included; 42.9 % had early PsA and 57.1 % had established PsA. The prevalence of hypercholesterolemia, obesity, hypertension, diabetes mellitus, anxiety/depression, and coronary heart disease was 61.6, 59.7, 32.7, 13.8, 13.8, and 8.7 %, respectively. The prevalence of comorbidities was generally comparable between cohorts with exception of anxiety/depression, which was considerably higher in patients with established PsA compared to early PsA and obesity which was more common among male patients with established PsA. However, upon adjusting for age and gender differences, no statistically significant between-group differences were observed. Overall, these results suggest that PsA, even at early stages, is associated with significant CV comorbidity. These conditions should be taken into consideration when assessing the PsA burden of illness in epidemiological and health outcomes studies. Furthermore, early detection and management of these conditions could improve the patients’ disability and quality of life.
KeywordsCardiovascular Comorbidities Early PsA Established PsA Heart disease Psoriatic arthritis
Conflict of interest
Majed Khraishi is partially funded by non-restricted grants from Abbott Canada, Amgen/Wyeth Canada, and Wyeth (later Pfizer) and supported by JSS Medical Research Inc. Rana Aslanov declared none. Emmanouil Rampakakis, Clare Pollock, and John S. Sampalis are employees of JSS Medical Research Inc.
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