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Inicio Allergologia et Immunopathologia Frequency and clinical features of pollen-food syndrome in children
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Vol. 48. Issue 1.
Pages 78-83 (January - February 2020)
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Vol. 48. Issue 1.
Pages 78-83 (January - February 2020)
Original Article
DOI: 10.1016/j.aller.2019.07.010
Frequency and clinical features of pollen-food syndrome in children
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H. Guvenira,
Corresponding author
dr.hguvenir@gmail.com

Corresponding author.
, E. Dibek Misirlioglua, B. Buyuktiryakia, M.M. Zabuna, M. Capanoglua, M. Toyrana, E. Civeleka, C.N. Kocabasb
a Ankara Child Health and Diseases Hematology Oncology Training and Research Hospital, Department of Pediatric Allergy and Immunology, University of Health Sciences, Ankara, Turkey
b Faculty of Medicine, Department of Pediatric Allergy and Immunology, Mugla Sitki Kocman University, Mugla, Turkey
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Tables (5)
Table 1. Characteristics of patients with pollen food syndrome (n=22).
Table 2. Suspected foods.
Table 3. Skin prick test result with suspected foods (n=41).
Table 4. Comparison of patients with and without pollen food syndrome.
Table 5. Risk factors for pollen-food syndrome by logistic regression analysis.
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Additional material (1)
Abstract
Background

Pollen-food syndrome (PFS) is an allergic reaction to fresh fruits, vegetables and/or nuts that can occur in patients who are allergic to pollen. The prevalence of PFS in children is not clearly known.

Objective

The objective of this study was to determine the frequency and clinical features of PFS in pediatric patients with pollen-induced allergic rhinitis (AR).

Method

This study was conducted in the pediatric allergy outpatient clinic of our hospital. Pollen-induced seasonal AR patients who were evaluated for any symptoms appearing after consuming any fresh fruits and vegetables.

Results

Six hundred and seventy-two pollen-sensitized patients were included in this study. The symptoms related to PFS were reported in 22 (3.3%) patients. The median age of the patients was 12.3 years and 59% (n=13) were female. Peach was the most common culprit (22%). There were isolated oropharyngeal symptoms in 20 (91%) patients and anaphylaxis in two (9%) patients with the suspected food. The multiple logistic regression analysis revealed that female gender, history of atopic dermatitis and allergic diseases in the family were the potential risk factors for PFS [Odds ratio 95%CI: 3.367 (1.344–8.435), 5.120 (1.935–13.550), 3.046 (1.239–7.492), respectively].

Conclusion

PFS can be seen in children who are followed up for pollen-induced AR. The symptoms of PFS are usually mild and transient. However, comprehensive evaluation of patients is important since serious systemic reactions such as anaphylaxis can also be observed.

Keywords:
Allergic rhinitis
Children
Oral allergy syndrome
Pollen food syndrome
Abbreviations:
AR
PFS
SPT
OR
min-max
IQR

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