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Review
. 2022 May;314(4):317-324.
doi: 10.1007/s00403-021-02240-z. Epub 2021 May 10.

Controversial cardiovascular and hematologic comorbidities in atopic dermatitis

Karan Pandher  1 , Rima I Ghamrawi  2 , Courtney E Heron  2 , Steven R Feldman  2   3   4   5
Affiliations
Review

Controversial cardiovascular and hematologic comorbidities in atopic dermatitis

Karan Pandher et al. Arch Dermatol Res. 2022 May.

Abstract

Atopic dermatitis' (AD) systemic involvement is wide-reaching. The cardiovascular and hematological comorbidities of AD have potential for considerable economic and physical burden; however, data surrounding the association between these comorbidities and AD is controversial. This review discusses the cardiovascular and hematological comorbidities of AD, detailing the conflicting evidence, pathophysiology, and connection to medications. A PubMed search was conducted for studies detailing the association of cardiovascular and hematological comorbidities with AD, providing approximately 30 results. Additional searches were conducted for studies discussing the pathophysiology of these comorbidities and possible connections to AD medications. Various studies highlight either positive, negative, or no association of AD with hypertension, stroke, myocardial infarction, heart failure, and thrombosis. Coronary heart disease, angina, peripheral artery disease, and anemia are consistently positively associated with AD. However, the attributable risks of AD for stroke, myocardial infarction, heart failure, and atrial fibrillation are low (25 per 100,000 persons [99% CI 6-44], 12 per 100,000 persons [99% CI - 4-27], 40 per 100,000 persons [99% CI 22-57], and 37 per 100,000 persons [99% CI 15-55]), respectively. The pathophysiology underlying these potential associations is not entirely clear. Corticosteroids, cyclosporine, and antimetabolites, all used to treat AD, may also be associated with many of these comorbidities. AD's controversial associations with cardiovascular and hematological diseases complicates management as it is difficult to define recommendations for screening of these comorbidities. A better understanding may help lessen the economic and physical burden of these comorbidities in AD patients.

Keywords: Atopic dermatitis; Cardiovascular; Comorbidities; Controversial; Eczema; Risk factors.

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