ArticleThe journal of allergy and clinical immunology. Global2024
Extending the role of tryptase in perioperative anaphylaxis: Predicting positive results in basophil activation tests.
Article in The journal of allergy and clinical immunology. Global, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- World Allergy Organization survey on the diagnosis and management trends of perioperative anaphylaxis.The World Allergy Organization journal · 2026Article
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10 authors.
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Abstract
Background: Basophil activation tests (BATs) are useful in identifying culprits of perioperative anaphylaxis (PA), but their utility remains limited due to technical limitations, cost, and availability. Being able to prioritize patients with likely higher yields for BAT would be useful in reducing costs and manpower. Objective: We sought to investigate whether tryptase levels and clinical parameters may be useful for selecting patients for BATs. Methods: We performed a 10-year retrospective study in Hong Kong to investigate the performance of BATs associated with tryptase levels (taking during PA) and other clinical parameters. Results: Of 90 patients, 70 (77.8%) showed significant tryptase level elevation and 37 (41.1%) had a positive BAT result. BAT-positive patients presented with significantly higher absolute levels (15.9 μg/L vs 9.1 μg/L; Conclusions: We observed that tryptase elevation is a very sensitive predictor of BAT positivity among patients with identified culprits of PA. Acute elevation of tryptase would not only aid in confirming anaphylaxis but may also help guide the decision toward selecting labor-intensive and costly
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