• A Lafuente, G Javaloyes, F Berroa, M J Goikoetxea, R Moncada, J M Núñez-Córdoba, P Cabrera-Freitag, C D'Amelio, M L Sanz, and G Gastaminza.
• Department of Anesthesia, Medical School, Clínica Universidad de Navarra, Pamplona, Spain.
• Allergy. 2013 Jun 1;68(6):820-2.

AbstractAllergic skin tests have to be performed 4-6 weeks after an allergic anesthetic reaction. Patients with allergic reactions during anesthesia were prospectively included (n = 44). Skin tests were performed in two stages: (i) Stage 1 (S1), 0-4 days after the reaction; and (ii) Stage 2 (S2), 4-8 weeks after. Five (11.5%) surgical procedures were suspended due to the reaction. Positive skin tests were obtained in 25/44 patients (57%). Allergic diagnosis was carried out at S1 in 15/25 (60%) and at S2 in 10/25 (40%). Three patients resulted positive only in S1. Overall agreement among S1 and S2 skin tests was 70.45%. The kappa statistic was 0.41 (P-value = 0.002). Odds ratio of obtaining a false negative in S1 (compared with S2) was 3.33. Early allergological study is useful, could minimize false negatives, but should be considered as a complement to late skin tests.© 2013 John Wiley & Sons A/S. Published by John Wiley & Sons Ltd.

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