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Br J Dermatol. 2009 May;160(5):1048-56. doi: 10.1111/j.1365-2133.2008.09020.x. Epub 2009 Feb 4.

Psoriasis and risk of incident myocardial infarction, stroke or transient ischaemic attack: an inception cohort study with a nested case-control analysis.

Author information

  • 1Basel Pharmacoepidemiology Unit, Division of Clinical Pharmacology and Toxicology, University Hospital Basel, CH-4031 Basel, Switzerland.

Abstract

BACKGROUND:

Systemic inflammation may increase the risk for cardiovascular diseases in patients with psoriasis, but data on this risk in patients with early psoriasis are scarce.

OBJECTIVES:

To assess and compare the risk of developing incident myocardial infarction (MI), stroke or transient ischaemic attack (TIA) between an inception cohort of patients with psoriasis and a psoriasis-free population.

METHODS:

We conducted an inception cohort study with a nested case-control analysis within the U.K.-based General Practice Research Database. The study population encompassed 36,702 patients with a first-time recorded diagnosis of psoriasis 1994-2005, matched 1 : 1 to psoriasis-free patients. We assessed crude incidence rates (IRs) and applied conditional logistic regression to obtain odds ratios (ORs) with 95% confidence intervals (CIs).

RESULTS:

Overall, the IRs of MI (n = 449), stroke (n = 535) and TIA (n = 402) were similar among patients with or without psoriasis. However, the adjusted OR of developing MI for patients with psoriasis aged < 60 years was 1.66 (95% CI 1.03-2.66) compared with patients without psoriasis, while the OR for patients aged >or= 60 years was 0.99 (95% CI 0.77-1.26). The adjusted ORs of developing MI for patients of all ages with <or= 2 or > 2 prescriptions/year for oral psoriasis treatment were 2.48 (95% CI 0.69-8.91) and 1.39 (95% CI 0.43-4.53), with a similar finding for stroke and TIA.

CONCLUSIONS:

The risk of developing a cardiovascular outcome was not materially elevated for patients with early psoriasis overall. In subanalyses, however, there was a suggestion of an increased (but low absolute) MI risk for patients with psoriasis aged < 60 years, mainly with severe disease.

PMID:
19210501
[PubMed - indexed for MEDLINE]
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