Increased risk of aortic valve stenosis in patients with psoriasis: a nationwide cohort study†

17 Citations (Scopus)

Abstract

AIM: Psoriasis is a chronic inflammatory disease associated with increased risk of cardiovascular disease including atherosclerosis. The pathogenesis of aortic valve stenosis (AS) also includes an inflammatory component. We therefore investigated the risk of AS in patients with psoriasis compared with the general population in a nationwide cohort.

METHODS: The study comprised the entire Danish population aged ≥18 years followed from 1 January 1997 until diagnosis of AS, 31 December 2011, or death. Information on comorbidity, concomitant medication, and socioeconomic status was identified by individual-level linkage of administrative registers. Incidence rates for AS were calculated and incidence rate ratios (IRRs) adjusted for age, gender, calendar year, comorbidity, medications, and socioeconomic status, were estimated in Poisson regression models.

RESULTS: A total of 5 107 624 subjects were eligible for analysis. During the study period, we identified 58 747 patients with mild psoriasis and 11 918 patients with severe psoriasis. The overall incidence rates for AS were 8.09, 16.07, and 20.08 per 10 000 person-years for the reference population (48 539 cases [mean follow-up 12.3 years]), mild psoriasis (509 cases [mean follow-up 6.2 years]), and severe psoriasis (99 cases [mean follow-up 5.4 years]), respectively. Correspondingly, the fully adjusted IRRs for AS were markedly increased in patients with psoriasis with IRR 1.22 (95% confidence interval [CI] 1.12-1.33) and IRR 1.61 (CI 1.32-1.96) for subjects with mild and severe disease, respectively.

CONCLUSION: In a nationwide cohort, psoriasis was associated with a disease severity-dependent increased risk of AS. The mechanisms underlying this novel finding require further study.

Original languageEnglish
JournalEuropean Heart Journal
ISSN0195-668X
DOIs
Publication statusPublished - 8 Jun 2015

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