Prevalence of contact allergy to metals: nickel, palladium, and cobalt in Southern Sweden from 1995–2016

Lisbeth Rosholm Comstedt, Jakob Dahlin, Magnus Bruze, Anna Åkesson, Monica Hindsén, Ann Pontén, Marléne Isaksson, Cecilia Svedman

Forskningsoutput: TidskriftsbidragArtikel i vetenskaplig tidskriftPeer review

9 Citeringar (SciVal)

Sammanfattning

Background: In 2001, the EU nickel directive was introduced to prevent contact allergy to nickel. Contact allergy to palladium and/or cobalt is often seen together with contact allergy to nickel. Objectives: To compare the contact allergy prevalence of nickel, palladium, and cobalt allergy before and after the introduction of the EU nickel directive in consecutive patients with dermatitis. 

Methods: A retrospective analysis of patch test results from 1995–2016 was performed (n = 18 264). Chi-square tests were used to examine trends for nickel, palladium, and cobalt across test years. Logistic regression was used for associations. 

Results: The prevalence of nickel allergy decreased significantly in the youngest age group (6–30 years) for both female and male patients from 1995–1999 to 2012–2016: females: 33.4% to 19.1% (P <.001); males: 5.9% to 2.1% (P <.05). The concomitant reactions between nickel and palladium and nickel and cobalt among young females, respectively, also decreased significantly. Isolated palladium and cobalt allergy remained stable (1.4% and 2.3%, respectively) during the same time period for both men and women. 

Conclusions: The prevalence of nickel has decreased among young females and males suspected of contact allergy in Southern Sweden after the introduction of the EU nickel directive. There has been no change in isolated palladium or cobalt allergy.

Originalspråkengelska
Sidor (från-till)218-226
TidskriftContact Dermatitis
Volym82
Utgåva4
Tidigt onlinedatum2019 okt 18
DOI
StatusPublished - 2020

Ämnesklassifikation (UKÄ)

  • Dermatologi och venereologi

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