Kunigami C, Imai T, Yamashita K, Takagi T, Okawa M, Honda A, Okada Y, Maeda M, Kamiya T. Relationship between the diagnosis of food protein-induced enterocolitis syndrome and postemetic procalcitonin levels.
THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY. GLOBAL 2023;
2:100156. [PMID:
37781652 PMCID:
PMC10510010 DOI:
10.1016/j.jacig.2023.100156]
[Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 06/02/2023] [Accepted: 06/20/2023] [Indexed: 10/03/2023]
Abstract
Background
There are no reports on the relationship between food protein-induced enterocolitis syndrome (FPIES) diagnosis and procalcitonin levels.
Objective
Our study sought to demonstrate a correlation between the presence or absence and severity of FPIES symptoms and postemetic procalcitonin levels.
Methods
The subjects were 53 patients with FPIES (44 with hen's egg allergy, 4 with milk allergy, 4 with wheat allergy, and 3 with soy allergy), who collectively underwent a total of 75 oral food challenges (OFCs). Procalcitonin levels at 5 hours after antigen ingestion were compared between patients with a positive OFC result and those with a negative OFC result and between patients who experienced mild or moderate events and those who experienced severe events.
Results
At 5 hours after ingestion of the causative food, the median procalcitonin levels in patients with a negative OFC result, patients who experienced a mild or moderate event, and patients who experienced a severe event were 0.02, 0.03, and 0.16 ng/mL, respectively. The procalcitonin level was significantly higher in the groups with a positive OFC result than in the groups with a negative OFC result (P < .001), and it was significantly higher in those who experienced severe events than in those who experienced mild or moderate events (P = .012).
Conclusion
Measurement of procalcitonin levels has the potential to provide a quantitative and objective assessment of FPIES diagnosis and severity.
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