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Shellfish/crustacean oral allergy syndrome among national service pre-enlistees in Singapore

BACKGROUND: All Singaporean males undergo medical screening prior to compulsory military service. A history of possible food allergy may require referral to a specialist Allergy clinic to ensure that special dietary needs can be taken into account during field training and deployment. OBJECTIVE: To...

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Autores principales: Thong, Bernard Yu-Hor, Arulanandam, Shalini, Tan, Sze-Chin, Tan, Teck-Choon, Chan, Grace Yin-Lai, Tan, Justina Wei-Lyn, Yeow, Mark Chong-Wei, Tang, Chwee-Ying, Hou, Jinfeng, Leong, Khai-Pang
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Asia Pacific Association of Allergy, Asthma and Clinical Immunology 2018
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5931925/
https://www.ncbi.nlm.nih.gov/pubmed/29732294
http://dx.doi.org/10.5415/apallergy.2018.8.e18
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author Thong, Bernard Yu-Hor
Arulanandam, Shalini
Tan, Sze-Chin
Tan, Teck-Choon
Chan, Grace Yin-Lai
Tan, Justina Wei-Lyn
Yeow, Mark Chong-Wei
Tang, Chwee-Ying
Hou, Jinfeng
Leong, Khai-Pang
author_facet Thong, Bernard Yu-Hor
Arulanandam, Shalini
Tan, Sze-Chin
Tan, Teck-Choon
Chan, Grace Yin-Lai
Tan, Justina Wei-Lyn
Yeow, Mark Chong-Wei
Tang, Chwee-Ying
Hou, Jinfeng
Leong, Khai-Pang
author_sort Thong, Bernard Yu-Hor
collection PubMed
description BACKGROUND: All Singaporean males undergo medical screening prior to compulsory military service. A history of possible food allergy may require referral to a specialist Allergy clinic to ensure that special dietary needs can be taken into account during field training and deployment. OBJECTIVE: To study the pattern of food allergy among pre-enlistees who were referred to a specialist allergy clinic to work up suspected food allergy. METHODS: Retrospective study of all pre-enlistees registered in the Clinical Immunology/Allergy New Case Registry referred to the Allergy Clinic from 1 August 2015 to 31 May 2016 for suspected food allergy. RESULTS: One hundred twenty pre-enlistees reporting food allergy symptoms other than rash alone were referred to the Allergy Clinic during the study period. Of these, 77 (64.2%) had food allergy. Among those with food allergy, mean age was 19.1 ± 1.5 years. They comprised predominantly Chinese (66.2%) and Malays (20.8%). The most commonly reported foods were shellfish/crustaceans (78%), peanut (15.6%), and egg (6.5%). Self-limiting oral allergy syndrome, OAS (itchy lips and throat with/without lip angioedema) was the most common manifestation (n = 33, 42.9%) followed by anaphylaxis (n = 23, 29.9%). Majority of OAS was from shellfish/crustacean (90.6%); of which shrimp (30.3%), crab (15.2%), and lobster (3.0%) were the most common. Mild childhood asthma (69.7%), allergic rhinitis (6.3%), and eczema (6.1%) were the most common atopic conditions among individuals with shellfish/crustacean OAS. This pattern was similar for shellfish/crustacean anaphylaxis. Skin prick tests were most commonly positive for shrimp (OAS 87.1% vs. anaphylaxis 100%), crab (OAS 95.8% vs. 90.9%), and lobster (OAS 91.7% vs. 63.6%). CONCLUSION: OAS to shellfish/crustaceans was more common than anaphylaxis among this study population of young males referred for food allergy symptoms other than rash alone.
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spelling pubmed-59319252018-05-04 Shellfish/crustacean oral allergy syndrome among national service pre-enlistees in Singapore Thong, Bernard Yu-Hor Arulanandam, Shalini Tan, Sze-Chin Tan, Teck-Choon Chan, Grace Yin-Lai Tan, Justina Wei-Lyn Yeow, Mark Chong-Wei Tang, Chwee-Ying Hou, Jinfeng Leong, Khai-Pang Asia Pac Allergy Original Article BACKGROUND: All Singaporean males undergo medical screening prior to compulsory military service. A history of possible food allergy may require referral to a specialist Allergy clinic to ensure that special dietary needs can be taken into account during field training and deployment. OBJECTIVE: To study the pattern of food allergy among pre-enlistees who were referred to a specialist allergy clinic to work up suspected food allergy. METHODS: Retrospective study of all pre-enlistees registered in the Clinical Immunology/Allergy New Case Registry referred to the Allergy Clinic from 1 August 2015 to 31 May 2016 for suspected food allergy. RESULTS: One hundred twenty pre-enlistees reporting food allergy symptoms other than rash alone were referred to the Allergy Clinic during the study period. Of these, 77 (64.2%) had food allergy. Among those with food allergy, mean age was 19.1 ± 1.5 years. They comprised predominantly Chinese (66.2%) and Malays (20.8%). The most commonly reported foods were shellfish/crustaceans (78%), peanut (15.6%), and egg (6.5%). Self-limiting oral allergy syndrome, OAS (itchy lips and throat with/without lip angioedema) was the most common manifestation (n = 33, 42.9%) followed by anaphylaxis (n = 23, 29.9%). Majority of OAS was from shellfish/crustacean (90.6%); of which shrimp (30.3%), crab (15.2%), and lobster (3.0%) were the most common. Mild childhood asthma (69.7%), allergic rhinitis (6.3%), and eczema (6.1%) were the most common atopic conditions among individuals with shellfish/crustacean OAS. This pattern was similar for shellfish/crustacean anaphylaxis. Skin prick tests were most commonly positive for shrimp (OAS 87.1% vs. anaphylaxis 100%), crab (OAS 95.8% vs. 90.9%), and lobster (OAS 91.7% vs. 63.6%). CONCLUSION: OAS to shellfish/crustaceans was more common than anaphylaxis among this study population of young males referred for food allergy symptoms other than rash alone. Asia Pacific Association of Allergy, Asthma and Clinical Immunology 2018-04-24 /pmc/articles/PMC5931925/ /pubmed/29732294 http://dx.doi.org/10.5415/apallergy.2018.8.e18 Text en Copyright © 2018. Asia Pacific Association of Allergy, Asthma and Clinical Immunology. https://creativecommons.org/licenses/by-nc/4.0/ This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (https://creativecommons.org/licenses/by-nc/4.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
spellingShingle Original Article
Thong, Bernard Yu-Hor
Arulanandam, Shalini
Tan, Sze-Chin
Tan, Teck-Choon
Chan, Grace Yin-Lai
Tan, Justina Wei-Lyn
Yeow, Mark Chong-Wei
Tang, Chwee-Ying
Hou, Jinfeng
Leong, Khai-Pang
Shellfish/crustacean oral allergy syndrome among national service pre-enlistees in Singapore
title Shellfish/crustacean oral allergy syndrome among national service pre-enlistees in Singapore
title_full Shellfish/crustacean oral allergy syndrome among national service pre-enlistees in Singapore
title_fullStr Shellfish/crustacean oral allergy syndrome among national service pre-enlistees in Singapore
title_full_unstemmed Shellfish/crustacean oral allergy syndrome among national service pre-enlistees in Singapore
title_short Shellfish/crustacean oral allergy syndrome among national service pre-enlistees in Singapore
title_sort shellfish/crustacean oral allergy syndrome among national service pre-enlistees in singapore
topic Original Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5931925/
https://www.ncbi.nlm.nih.gov/pubmed/29732294
http://dx.doi.org/10.5415/apallergy.2018.8.e18
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