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COMPARATIVE STUDY
EVALUATION STUDIES
JOURNAL ARTICLE
RESEARCH SUPPORT, NON-U.S. GOV'T
Use of polymerase chain reaction in the diagnosis of fungal endophthalmitis.
Ophthalmology 2001 Februrary
OBJECTIVE: To evaluate the usefulness of polymerase chain reaction (PCR) compared with the conventional mycologic methods in the diagnosis of fungal endophthalmitis.
DESIGN: Prospective comparative validation of diagnostic testing-case-control study.
PARTICIPANTS AND CONTROLS: Thirty subjects in whom fungal endophthalmitis was suspected and 20 controls with noninfections. INTERVENTION TESTING: Collection of intraocular specimens and testing for the presence of fungus by PCR and conventional methods.
MAIN OUTCOME MEASURES: Detection of fungus by microscopy, growth by culture, and fungal DNA by PCR for definitive and rapid diagnosis of fungal endophthalmitis.
RESULTS: None of the controls was positive by microscopy, culture, or PCR. Among the 43 intraocular specimens from 30 subjects, 24 were positive by conventional mycologic methods and 32 were positive by PCR. PCR increased the sensitivity of detection by 18.6%, which was statistically significant (McNemar test: P = 0.039).
CONCLUSIONS: PCR was a more sensitive and rapid diagnostic tool compared with the conventional mycologic methods in the diagnosis of fungal endophthalmitis.
DESIGN: Prospective comparative validation of diagnostic testing-case-control study.
PARTICIPANTS AND CONTROLS: Thirty subjects in whom fungal endophthalmitis was suspected and 20 controls with noninfections. INTERVENTION TESTING: Collection of intraocular specimens and testing for the presence of fungus by PCR and conventional methods.
MAIN OUTCOME MEASURES: Detection of fungus by microscopy, growth by culture, and fungal DNA by PCR for definitive and rapid diagnosis of fungal endophthalmitis.
RESULTS: None of the controls was positive by microscopy, culture, or PCR. Among the 43 intraocular specimens from 30 subjects, 24 were positive by conventional mycologic methods and 32 were positive by PCR. PCR increased the sensitivity of detection by 18.6%, which was statistically significant (McNemar test: P = 0.039).
CONCLUSIONS: PCR was a more sensitive and rapid diagnostic tool compared with the conventional mycologic methods in the diagnosis of fungal endophthalmitis.
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