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Title: Detection of Pseudomonas pseudomallei antigen in urine for the diagnosis of melioidosis
Authors: V. Desakorn
M. D. Smith
V. Wuthiekanun
D. A.B. Dance
H. Aucken
P. Suntharasamai
A. Rajchanuwong
N. J. White
Mahidol University
Keywords: Immunology and Microbiology;Medicine
Issue Date: 1-Jan-1994
Citation: American Journal of Tropical Medicine and Hygiene. Vol.51, No.5 (1994), 627-633
Abstract: An enzyme-linked immunosorbent assay using a fluorescein isothiocyanate (FITC)-anti-FITC amplification system, has been developed to detect Pseudomonas pseudomallei antigen in urine. The assay was evaluated in 135 patients with acute melioidosis, 194 hospitalized patients with other disorders, and 40 healthy controls. Antigen was detected in the urine of 123 (91%) patients with melioidosis. Urinary antigen was found in 85 (96%) of 89 patients with septicemic melioidosis, all six patients with P. pseudomallei urinary tract infection, and 32 (80%) of 40 patients with other localized infections. Antigen was not detected in the urine of 40 healthy individuals, but the urine of 16 (8%) of 194 hospitalized patients with diagnoses other than melioidosis gave a positive result. Of the false-positive results, 13 of 16 were associated with bacteriuria ≥10 4 colony-forming units/ml. At a cutoff titer of 1:10, the sensitivity and specificity of the test were 81% and 96%, respectively. Enzyme immunoassay detection of urinary antigen is a valuable and rapid laboratory test for the early diagnosis of acute melioidosis.
ISSN: 00029637
Appears in Collections:Scopus 1991-2000

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