2014
DOI: 10.1111/cea.12237
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The usefulness of plasma histamine and different tryptase cut‐off points in the diagnosis of peranaesthetic hypersensitivity reactions

Abstract: The best criterion for discriminating IgE- and non IgE-mediated hypersensitivity reactions in anaesthesia was a tryptase value exceeding twice the basal one.

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Cited by 39 publications
(30 citation statements)
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“…Blood should be taken during this stage in order to measure serum tryptase, an indicator of mast cell/basophil degranulation [63]. Other markers such as histamine and methyl-histamine in urine have been used, however these are not recommended in routine practice due to difficulties in measurement and low sensitivity [64].…”
Section: Actions After Treatmentmentioning
confidence: 99%
See 1 more Smart Citation
“…Blood should be taken during this stage in order to measure serum tryptase, an indicator of mast cell/basophil degranulation [63]. Other markers such as histamine and methyl-histamine in urine have been used, however these are not recommended in routine practice due to difficulties in measurement and low sensitivity [64].…”
Section: Actions After Treatmentmentioning
confidence: 99%
“…Moreover, the samples are less sensitive to environmental conditions, as determination is performed in serum. Different cut-offs have been considered, ranging from 8.23 μg/L to 11.4 μg/L [94][95][96], although the best criteria is a 2-fold or 2+1.2x increase above baseline levels (grade of recommendation, B) [63,133]. Tryptase levels are especially high in more severe reactions [134,135].…”
Section: This Determination Is Not Sufficiently Standardized For Diagmentioning
confidence: 99%
“…The presence of this enzyme is therefore a key element in diagnosing anaphylactic reactions [19]. However, the optimum number of Tryptase measurements and the best interpretative strategy has not yet been established in perioperative anaphylaxis [20][21][22]. Our internal protocol for Anaphylaxis in the perioperative period includes a proposal for Tryptase measurements.…”
Section: Discussionmentioning
confidence: 99%
“…Moreover, skin testing was not done and serum tryptase levels were not assessed at the time of the IR to distinguish between IgE-mediated allergic reaction and cytokine-mediated IR. Ideally, serum tryptase levels >11.4ng/mL within 3 hours of the event, which is indicative of mast cell degranulation, may help to distinguish IgE-mediated allergic/anaphylactic reactions from non-IgE-mediated reactions [35,36]. …”
Section: Discussionmentioning
confidence: 99%