How to use the reaction index and positivity ratio

Contact Dermatitis

Volumn 59, Issue 1, 2008, Pages 63-65

  Brasch, Jochen ^a   Geier, Johannes ^b  

^a UNIVERSITY HOSPITAL SCHLESWIG HOLSTEIN   (Germany)

^b UNIVERSITY OF GÖTTINGEN   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

ALLERGEN;

ALLERGIC REACTION; CALCULATION; CONTACT ALLERGY; DIAGNOSTIC ACCURACY; GERMAN CONTACT DERMATITIS RESEARCH GROUP; HUMAN; INFORMATION NETWORK OF DEPARTMENT OF DERMATOLOGY; INTERNATIONAL CONTACT DERMATITIS RESEARCH GROUP; LETTER; ORGANIZATION; PARAMETER; PATCH TEST; POSITIVITY RATIO; QUALITY CONTROL; REACTION INDEX; SCORING SYSTEM; STANDARDIZATION; TIME; VALIDITY;

ALLERGENS; DERMATITIS, ALLERGIC CONTACT; DERMATITIS, IRRITANT; FALSE POSITIVE REACTIONS; HUMANS; PATCH TESTS; PREDICTIVE VALUE OF TESTS; REFERENCE STANDARDS;

EID: 42149171658     PISSN: 01051873     EISSN: 16000536     Source Type: Journal    
DOI: 10.1111/j.1600-0536.2008.01360.x     Document Type: Letter

References (22)

1. Brasch J, Henseler T. The reaction index - a parameter to assess the quality of patch test preparations. Contact Dermatitis 1992 : 27 : 203 204.
2. Geier J, Uter W, Lessmann H, Schnuch A. The positivity ratio - another parameter to assess the diagnostic quality of a patch test preparation. Contact Dermatitis 2003 : 48 : 280 282.
3. Andersen K E, Andersen F. The reaction index and positivity ratio revisited. Contact Dermatitis 2008 : 58 : 28 31.
4. Geier J, Schnuch A, Brasch J, Gefeller O. Patch testing with methyldibromoglutaronitrile. Am J Contact Dermat 2000 : 11 : 207 212.
5. Schnuch A, Geier J, Brasch J, Uter W. The preservative iodopropynyl butylcarbamate: frequency of allergic reactions and diagnostic considerations. Results from the IVDK. Contact Dermatitis 2002 : 46 : 153 156.
6. Geier J, Lessmann H, Frosch P J, Schnuch A. Contact sensitization to N-(cyclohexylthio)phthalimide. Contact Dermatitis 2003 : 48 : 1 6.
7. Brasch J, Schnuch A, Geier J, Aberer W, Uter W. Iodopropynylbutyl carbamate 0.2% is suggested for patch testing of patients with eczema possibly related to preservatives. Br J Dermatol 2004 : 151 : 608 615.
8. Schnuch A, Kelterer D, Bauer A et al. Quantitative patch and repeated open application testing with methyldibromo glutaronitrile-sensitive patients. Contact Dermatitis 2005 : 52 : 197 206.
9. Fischer T, Kreilgard B, Maibach H I. The true value of TRUE test for allergic contact dermatitis. Curr Allergy Asthma Rep 2001 : 1 : 316 322.
10. Lazarov A, David M, Abraham D, Trattner A. Comparison of reactivity to allergens using the TRUE test and IQ chamber system. Contact Dermatitis 2007 : 56 : 140 145.
11. Goh C L. Comparative study of TRUE test and Finn Chamber patch test techniques in Singapore. Contact Dermatitis 1992 : 27 : 84 89.
12. Sherertz E F, Fransway A F, Belsito D V et al. Patch testing discordance alert: false-negative findings with rubber additives and fragrances. J Am Acad Dermatol 2001 : 45 : 313 314.
13. Suneja T, Belsito D V. Comparative study of Finn Chambers and T.R.U.E. test methodologies in detecting the relevant allergens inducing contact dermatitis. J Am Acad Dermatol 2001 : 45 : 836 839.
14. Brasch J, Geier J, Henseler T. Evaluation of patch test results by use of the reaction index. An analysis of data recorded by the "Information Network of Departments of Dermatology (IVDK)". Contact Dermatitis 1995 : 33 : 375 380.
15. Uter W, Mackiewicz M, Schnuch A, Geier J. Interne Qualitätssicherung von Epikutantest-Daten des multizentrischen Projektes "Informationsverbund Dermatologischer Kliniken" (IVDK). Dermatologie in Beruf und Umwelt 2005 : 53 : 107 114.
16. Geier J, Uter W, Pirker C, Frosch P J. Patch testing with the irritant sodium lauryl sulfate (SLS) is useful in interpreting weak reactions to contact allergens as allergic or irritant. Contact Dermatitis 2003 : 48 : 99 107.
17. Löffler H, Becker D, Brasch J, Geier J, for the German Contact Dermatitis Research Group (DKG). Simultaneous sodium lauryl sulfate testing improves the diagnostic validity of allergic patch tests. Results from a prospective multicentre study of the German Contact Dermatitis Research Group (Deutsche Kontaktallergie-Gruppe, DKG). Br J Dermatol 2005 : 152 : 709 719.
18. Brasch J, Schnuch A, Uter W. The profile of patch test reactions to common contact allergens is related to sex. Contact Dermatitis 2008 : 58 : 37 41.
19. Lachapelle J-M, Maibach H I Patch Testing and Prick Testing. A Practical Guide (Official publication of the ICDRG). Berlin Heidelberg New York, Springer, 2003 : 47.
20. Schnuch A, Aberer W, Agathos M, Brasch J, Frosch P J, Fuchs T H, Richter G für die Deutsche Kontaktallergie-Gruppe. Leitlinien der Deutschen Dermatologischen Gesellschaft (DDG) zur Durchführung des Epikutantests mit Kontaktallergenen. Hautarzt 2001 : 52 : 864 866.
21. Schnuch A, Geier J, Uter W, Frosch P J. Another look on allergies to fragrances: frequencies of sensitization to the fragrance mix and its constituents. Contact Dermatitis 2002 : 46 (Suppl. 4 10.
22. Schnuch A, Geier J, Uter W, Frosch P J. Another look at allergies to fragrances: frequencies of sensitisation to the fragrance mix and its constituents. Results from the IVDK. Exog Dermatol 2002 : 1 : 231 237.