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Journal of Clinical Microbiology, Aug 1997, 2133-2135, Vol 35, No. 8
EW Hook 3rd, K Smith, C Mullen, J Stephens, L Rinehardt, MS Pate and HH Lee
We compared the ligase chain reaction (LCR) assay to cell culture for
diagnosis of genitourinary chlamydial infections in women using swab
specimens obtained by clinicians from the endocervix and by patients from
their own vaginas. Specimens from 40 (12.9%) of 309 patients were positive
for chlamydial infection by culture, while the specimens of 50 (16.2%)
patients were positive by LCR. Chlamydia trachomatis infection was verified
for 9 of 10 patients whose LCR specimens were positive but whose cultures
were negative. Vaginal and cervical swab specimens were positive by LCR for
46 (93.9%) and 44 (89.8%) of 49 chlamydia-infected patients, respectively.
These data suggest that LCR testing for chlamydia with vaginal swab
specimens obtained by patients themselves is as sensitive as cervical LCR
and more sensitive than cell culture.
Copyright © 1997 by the American Society for Microbiology. All rights reserved.
Diagnosis of genitourinary Chlamydia trachomatis infections by using the ligase chain reaction on patient-obtained vaginal swabs
University of Alabama at Birmingham and Jefferson County Department of Health, 35294-0006, USA. ehook@uabid.dom.uab.edu
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