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1.
Asian Pac J Allergy Immunol ; 2008 Jun-Sep; 26(2-3): 121-8
Article Dans Anglais | IMSEAR | ID: sea-36827

Résumé

The aim of this study was to estimate the incidence of anaphylaxis in the emergency department of a tertiary-care hospital, describe the clinical features and the management of the patients and determine those with mild manifestations. A retrospective study was conducted from 2005 to 2006 using anaphylaxis-related ICD-10 terms. Two different sets of criteria for the diagnosis of anaphylaxis were applied, first the criteria previously accepted by emergency practice, followed by the recent criteria set forth at the 2005 international meeting. Sixty-four patients fulfilled the previous criteria with an average incidence of 52.5 per 100,000 patients per year with a shift towards females in 2006. The most common presentations were cutaneous, followed by respiratory symptoms. Food allergy was the most common cause, especially prawn. After applying the recent criteria, 13 patients (20.4%) were excluded, which reduced the incidence to 42.2 per 100,000 patients per year. Long term follow up is suggested for the possible or mild cases that were re-categorized.


Sujets)
Adolescent , Hormones corticosurrénaliennes/usage thérapeutique , Adulte , Sujet âgé , Anaphylaxie/diagnostic , Antibactériens , Enfant , Enfant d'âge préscolaire , Hypersensibilité médicamenteuse/complications , Service hospitalier d'urgences , Épinéphrine/usage thérapeutique , Femelle , Hypersensibilité alimentaire/complications , Antihistaminiques des récepteurs H1/usage thérapeutique , Humains , Incidence , Nourrisson , Morsures et piqûres d'insectes , Mâle , Adulte d'âge moyen , Gestion des soins aux patients , Éducation du patient comme sujet , Hypersensibilité respiratoire/complications , Études rétrospectives , Indice de gravité de la maladie , Facteurs sexuels , Fruits de mer
2.
Article Dans Anglais | IMSEAR | ID: sea-45463

Résumé

Chronic rhinosinusitis (CRS) is a chronic inflammatory disorder of mucosa of the nose and the paranasal sinuses. Two major forms of CRS can be differentiated; CRS with nasal polyps (CRSwNP) and CRS without nasal polyps (CRSsNP). The pathophysiology and etiology of nasal polyps (NPs) are partly understood. IgG subclass deficiency was shown to be associated with an increased susceptibility to infections. However the association between NPs and IgG subclass deficiency has never been reported. OBJECTIVES: To report two cases of recalcitrant CRS and recurrent NPs with IgG subclass deficiency. CASE REPORT: Two children (6 and 8 year-old boys) were referred to the Pediatric Allergy/Immunology Clinic, Siriraj Hospital due to a prolonged history of CRS and recurrent NPs. Both of them were treated with aggressive medical (topical and systemic corticosteroids, antibiotics, leukotriene antagonist, nasal irrigation) as well as surgical therapy, without significant improvement. Immunologic investigation in both patients showed that IgG, IgA, and IgM level were normal. IgG subclasses level in patient No. 1 were IgG1 1,235 (280-1120) mg/dl (79%), IgG2 235 (30-630) mg/dl (23.5%), IgG3 27.3 (40-250) mg/dl (1.74%), and IgG4 92.4 (11-620) mg/dl (5.9%). IgG subclasses level in patient No. 2 were IgG1 1,139 (280-1120) mg/dl (82.5%), IgG2 170 (30-630) mg/dl (12.3%), IgG3 5.6 (40-250) mg/dl (0.4%), IgG4 65.7 (11-620) mg/dl (4.8%). The diagnosis of CRS and recurrent NPs with IgG3 subclass deficiency in the first patient and IgG2/IgG3 subclass deficiency in the second patient were made. Patient No. 1 was given monthly IVIG therapy for the total of 7 courses and medications were gradually tapered. Currently, the patient is doing well after the cessation of IVIG therapy for 3 months. Patient No. 2 denied the IVIG treatment and was lost to follow up. CONCLUSION: We reported two cases of recalcitrant CRS and recurrent NPs in children. Immunologic work up revealed IgG subclass deficiency. The treatment with monthly IVIG improved CRS and NPs in treated patient which brought up the possibility of association between NPs and IgG subclass deficiency. Further study on the direct role of IVIG in NPs will be needed in the future.


Sujets)
Enfant , Endoscopie , Humains , Déficit en IgG/immunologie , Mâle , Muqueuse nasale/anatomopathologie , Polypes du nez/diagnostic , Récidive , Rhinite/immunologie , Sinusite/immunologie
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