Diagnostic Utility of Quantitative Polymerase Chain Reaction versus Culture in Endophthalmitis and Uveitis.

Ocul Immunol Inflamm

a Department of Ophthalmology and Visual Sciences , University of Louisville, Louisville , Kentucky , USA.

Published: December 2019

: To compare genetic testing for microbes in infectious endophthalmitis or uveitis to culture.: This was a retrospective, single-center case series that enrolled patients with clinically suspected endophthalmitis or uveitis of unknown etiology. Aqueous humor or vitreous was collected and sent for routine cultures and genetic testing.: In total, 46 patients were enrolled. Genetic testing was positive in 32/46 (70%) cases and culture 6/46 cases (13%). Five of 16 uveitis cases had a final clinical diagnosis of infectious uveitis, and polymerase chain reaction (PCR) was positive in 4/5 cases (80%), versus 0% for culture. In uveitis cases, PCR was 80% sensitive and 82% specific, and culture had 0% sensitivity. The overall sensitivity and specificity of PCR for all cases were 85% and 67%, respectively, compared with 17% and 100% for culture.: Genetic assays are inexpensive ($25/case) and more sensitive than culture for identifying intraocular pathogens in endophthalmitis and uveitis.

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http://dx.doi.org/10.1080/09273948.2018.1431291DOI Listing

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