title: Biocide patch tests.
abstract: Routine patch testing with a series of 6 industrial biocides containing methylene-bis-thiocyanate (Cytox 3522), benzisothiazolin-3-one (BIT), chlorocresol (Preventol CMK), 2-n-octyl-4-isothiazolin-3-one (Kathon 893), polyhydroxymethylene monobenzylether (Preventol D2) or 1,3,5-tris (hydroxy-ethyl) hexahydrotriazine (Grotan BK) was carried out in 6 Danish out-patient clinics to evaluate guinea pig allergy test results with the same compounds. A total of 1652 consecutive patients with dermatitis were tested. The usefulness of this patch test battery was limited. There were a few positive reactions to Cytox 3522, BIT and the 2 formaldehyde releasers, Preventol D2 and Grotan BK. These reactions could not, however, be explained. The MOAHL-index (% of Male patients, Occupational cases, Atopic patients, Hand eczemas, and Leg ulcers/stasis dermatitis) for patients from the 6 clinics showed equal frequencies of male patients and atopics, but significant differences in the frequencies of occupational cases, hand eczemas, and leg ulcers/stasis dermatitis, indicating possible variations in referral patterns, use of patch tests, and/or environmental factors.
authors.forename: K E
authors.initials: KE
authors.lastname: Andersen
authors.forename: N K
authors.initials: NK
authors.lastname: Veien
mesh_terms: D000818:Animals; D001593:Benzyl Compounds / Q000009:adverse effects; D003408:Cresols / Q000009:adverse effects; D003877:Dermatitis, Contact / Q000209:etiology*; D009783:Dermatitis, Occupational / Q000139:chemically induced*; D005260:Female; D006168:Guinea Pigs; D006801:Humans; D008297:Male; D009153:Mutagens / Q000009:adverse effects; D010328:Patch Tests; D013844:Thiazoles / Q000009:adverse effects; D013861:Thiocyanates / Q000009:adverse effects; D014227:Triazines / Q000009:adverse effects
chemical_list: D001593:Benzyl Compounds; D003408:Cresols; D009153:Mutagens; D013844:Thiazoles; D013861:Thiocyanates; D014227:Triazines; C041975:Preventol D2; C006984:chlorocresol; C011835:Grotan BK; C037057:Kathon 886; C015699:1,2-benzisothiazoline-3-one; C028912:methylene bis(thiocyanate)