Evaluation of the digene hybrid capture II CT-ID test for detection of Chlamydia trachomatis in endocervical specimens.
نویسندگان
چکیده
The performance characteristics of the new signal amplification-based Hybrid Capture (HC) II CT-ID test system (Digene, Silver Spring, Md.) with endocervical specimens were compared to those of tissue culture and PCR (AMPLICOR CT PCR; Roche Molecular Systems, Branchburg, N.J.) for detection of Chlamydia trachomatis in 587 women. HC II CT-ID identified 62 of 65 confirmed C. trachomatis-positive patients (sensitivity of 95.4%) and was negative for 517 of 522 patients who were negative by culture and PCR (specificity of 99.0%). Twelve of the 65 confirmed positive patients were negative by culture but were identified by both HC II CT-ID and PCR (sensitivity of culture was 81.5% [P < 0.01]). In comparison, PCR detected 59 of 65 positive specimens (sensitivity of 90.8%) and had a specificity of 99.6% (520 of 522). These results demonstrate that the Digene HC II CT-ID test is a highly sensitive and specific assay for the detection of C. trachomatis infection in endocervical specimens.
منابع مشابه
Ability of the digene hybrid capture II test to identify Chlamydia trachomatis and Neisseria gonorrhoeae in cervical specimens.
The Digene Hybrid Capture II (HCII CT/GC) test is a combination test designed to detect Chlamydia trachomatis and Neisseria gonorrhoeae in a single specimen. It is a nucleic acid hybridization test which uses signal amplification to increase sensitivity. We compared its performance to that of culture on cervical specimens from 1,370 women. Direct fluorescent-antibody assay was used to resolve d...
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The objective of this study was to determine the prevalence and distribution of Chlamydia trachomatisgenotypes in Shiraz, Iran. Two hundred twelve cervical swab samples were collected from women attendingShahid Motahari Polyclinic in Shiraz, Iran. The endocervical specimens were screened for C. trachomatis byplasmid PCR. Genotyping was performed in C. trachomatis-positive samples by nested PCR ...
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An amplification polymerase chain reaction (PCR) test for the direct detection of Chlamydia trachomatis in urethral and endocervical swab specimens from symptomatic and asymptomatic women and men were compared to standard culture technique. During 6 months, 300 endocervical swab specimens from 205 asymptomatic women (64.4%) and 95 symptomatic women (31.6%), and 187 urethral swab specime...
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Background Chlamydia trachomatis (CT) is a common cause of sexually transmitted infections (STI) and a prevalent microorganism found in the vaginal discharge of sexually active women. The infection usually has no symptoms; although it may cause chronic complications such as pelvic inflammatory disease (PID), ectopic pregnancy, chronic pelvic pain, tubal infertility and cervical cancer. This stu...
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ورودعنوان ژورنال:
- Journal of clinical microbiology
دوره 37 5 شماره
صفحات -
تاریخ انتشار 1999