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1.
Asia Pacific Allergy ; (4): e10-2018.
Artículo en Inglés | WPRIM | ID: wpr-750123

RESUMEN

BACKGROUND: Asthma and allergic rhinitis are a global health burden. Inhalant allergens worsen the symptoms and clinical manifestations of asthma and allergic rhinitis. Skin prick test is the gold standard for diagnosing allergen sensitization but is associated with some limitations. In contrast, in vitro serum-specific immunoglobulin E (SSIgE) test is convenient and is not associated with an anaphylactic risk. OBJECTIVE: The present study compared the accuracy of the SSIgE test by using microfluidic array enzyme-linked immunosorbent assay (ELISA) with that of the skin prick test for diagnosing inhalant allergen sensitization in patients with asthma and/or allergic rhinitis. METHODS: This diagnostic study included patients with asthma and/or allergic rhinitis. Of these, 100 patients underwent the SSIgE test for diagnosing sensitization to house dust mites (Dermatophagoides pteronyssinus, Dermatophagoides farinae, and Blomia tropicalis), dog dander, cat dander, and cockroach allergen. All the patients also underwent the skin prick test for diagnosing allergen sensitization. The sensitivity, specificity, predictive value, and likelihood ratio (LR) of the SSIgE test were evaluated for each allergen. RESULTS: Sensitivity of the SSIgE test for diagnosing house dust mite sensitization was 48%–77%, with the highest sensitivity (77%) observed for diagnosing D. farinae sensitization. Specificity of the SSIgE test for diagnosing house dust mite sensitization was 64%–95%, with the highest specificity (95%) observed for diagnosing B. tropicalis sensitization. Although the SSIgE test showed high specificity and LR+ for diagnosing cockroach allergen sensitization, it showed low sensitivity (12%). Moreover, the SSIgE test showed high specificity (89%) but low sensitivity (3%) for diagnosing dog dander sensitization and high specificity (88%) but low sensitivity (10%) for diagnosing cat dander sensitization. CONCLUSION: The SSIgE test using microfluidic array ELISA shows moderate accuracy for diagnosing house dust mite sensitization and low accuracy for diagnosing cockroach allergen and dog and cat dander sensitization.


Asunto(s)
Animales , Gatos , Perros , Humanos , Alérgenos , Asma , Cucarachas , Alérgenos Animales , Dermatophagoides pteronyssinus , Ensayo de Inmunoadsorción Enzimática , Salud Global , Hipersensibilidad , Inmunoglobulina E , Inmunoglobulinas , Técnicas In Vitro , Indonesia , Microfluídica , Pyroglyphidae , Rinitis , Rinitis Alérgica , Sensibilidad y Especificidad , Piel , Pruebas Cutáneas
2.
Journal of Infection and Public Health. 2016; 9 (5): 633-638
en Inglés | IMEMR | ID: emr-182099

RESUMEN

This study investigated the distribution of serotype and antimicrobial susceptibility of Streptococcus pneumoniae carried by adults infected with human immunodeficiency virus [HIV] in Jakarta, Indonesia. Specimens of nasopharyngeal swab were collected from 200 HIV infected adults aged 21 to 63 years. Identification of S. pneumoniae was done by optochin susceptibility test and PCR for the presence of psaA and lytA genes. Serotyping was performed with sequential multiplex PCR and antibiotic susceptibility with the disk diffusion method. S. pneumoniae strains were carried by 10% adults with serotype 6A/B 20% was common serotype among cultured strains in 20 adults. Most of isolates were susceptible to chloramphenicol [80%] followed by clindamycin [75%], erythromycin [75%], penicillin [55%], and tetracycline [50%]. This study found resistance to sulphamethoxazole/trimethoprim was most common with only 15% of strains being susceptible. High non-susceptibility to sulphamethoxazole/trimethoprim was observed in S. pneumoniae strains carried by HIV infected adults in Jakarta, Indonesia

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