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Patients with AIDS have higher levels, different strains of conjunctival bacteria

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SAN JUAN, Puerto Rico — Certain types of bacteria are more prevalent in the conjunctival flora in people with AIDS than in people without the disease, according to a presentation here.

Guadalupe Cervantes Coste, MD, told attendees here at the Pan-American Congress of Ophthalmology that while Staphylococcus was found in the conjunctival flora of both groups, those with CD4 counts of under 200 had significantly greater quantities of Corynebacterium and multiresistant pathogens. Dr. Cervantes’ study comprised 60 patients with AIDS whose CD4 counts were under 200 and 60 patients without AIDS

All patients with CD4 counts higher than 200 had Staphylococcus epidermidis and 14% had Staphylococcus aureus.

Of the patients with CD4 counts under 200, 94% had Staphylococcus epidermidis; 16.6% had Staphylococcus aureus; 28% had Corynebacterium xerosis and 33% had bacteria from the Demodex species.