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Journal of Clinical Microbiology, April 1998, p. 1039-1041, Vol. 36, No. 4
Royal Darwin Hospital,
Received 2 July 1997/Returned for modification 17 November
1997/Accepted 6 January 1998
Previously published PCR-based diagnostic tests for melioidosis
were evaluated for clinical usefulness. A Burkholderia
pseudomallei 16S rRNA-derived primer set had a sensitivity
approaching 100% for clinical samples from 22 culture-confirmed cases
of melioidosis and enabled diagnosis of 3 culture-negative cases.
However, samples from 10 of 30 inpatients from Royal Darwin Hospital
with other diagnoses were positive by PCR, giving a specificity of 67%
and a positive predictive value of only 70%. Although there are a number of intriguing possible explanations for our results,
concerns of inappropriate therapy resulting from a positive
result by PCR have led us to forgo the advantage of rapid PCR
diagnosis for melioidosis until a better system is validated.
0095-1137/98/$04.00+0
Copyright © 1998, American Society for Microbiology. All rights reserved.
Evaluation of PCR for Diagnosis of
Melioidosis
*
Corresponding author. Mailing address: Royal Darwin
Hospital, Pathology Labs, Biochemistry, Rocklands Dr., Tiwi, NT 0810, Australia. Phone: 61-8-89228085. Fax: 61-8-89228843. E-mail:
antje.haase{at}nt.gov.au.
Journal of Clinical Microbiology, April 1998, p. 1039-1041, Vol. 36, No. 4
0095-1137/98/$04.00+0
Copyright © 1998, American Society for Microbiology. All rights reserved.
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