Detection of Neisseria gonorrhoeae and Chlamydia trachomatis in genitourinary specimens from men and women by a coamplification PCR assay.

Journal of Clinical Microbiology
K A CrotchfeltT C Quinn

Abstract

A coamplification PCR test for the direct detection of Neisseria gonorrhoeae and Chlamydia trachomatis in urethral and endocervical swabs and urine samples from men and women was compared to standard culture techniques. Processed specimens were amplified in single reaction tubes containing primers for both organisms, and PCR products were detected by a colorimetric microwell plate hybridization assay specific for each pathogen. Of 344 specimens from men, 45 (13.1%) urine specimens were PCR positive for C. trachomatis, 51 (14.8%) urethral swab specimens were PCR positive, and 29 urethral swab specimens (8.4%) were culture positive. After analysis of discrepancies, the resolved sensitivity and specificity of PCR for C. trachomatis were 96.2 and 99.3%, respectively, in urethral swab specimens, compared to 88.2 and 98.6% for urine specimens. Of the 192 specimens from women, 28 (14.6%) urine specimens were PCR positive for C. trachomatis, 32 (16.7%) endocervical specimens were PCR positive, and 19 (9.9%) endocervical specimens were culture positive. After analysis of discrepancies, the resolved sensitivity and specificity of PCR for C. trachomatis for endocervical specimens were both 100% compared to 100 and 99.4%, respectively, for...Continue Reading

References

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Citations

Jan 4, 2007·International Journal of Urology : Official Journal of the Japanese Urological Association·Naruyasu MasueTakayuki Ezaki
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