Conjunctival anaerobic and aerobic bacterial flora in paediatric versus adult subjects.

Abstract

SUMMARY Although the bacterial flora of the conjunctiva in children and adults has been studied, there has been no previous comparison between these two age groups of anaerobic as well as aerobic bacteria. Conjunctival cultures from 229 eyes of 144 uninfected subjects were analysed for aerobic, microaerophilic, and anaerobic bacteria. Adults showed a greater number of species per eye than did younger subjects (1-47 versus 1-13; p<O0O5). Anaerobic species, predominantly Propionibacterium, were obtained from 27-1% of all eyes, but from a significantly greater percentage (30-2% versus 12-8%) of adults' than children's eyes (p<004). Streptococcus spp. were cultured from 14.9% of the children's eyes as opposed to only 2-2% from adults (p<O005). Understanding the differences in conjunctival flora between normal adults and children aids the interpretation of culture results and leads to properly defining and treating potential pathogens.

Influence of age on conjunctival bacteria of patients undergoing cataract surgery

“…In our area we found that patients older than 64 years had more conjunctival flora and more bacteria density than those younger than 65 years, in a sample of 794 patients awaiting cataract extraction (panel communication to the National Congress of the Ophthalmology Spanish Society, Sevilla, 1992); this result disagrees with those found before 1975, 3,4 but agrees with two others obtained a few years later, 5,6 although patients in these studies did not undergo cataract surgery.…”

Avaliação de um novo produto na desinfecção do tonômetro de aplanação de Goldmann

“…Isto ocorre devido ao contato do cone plástico com olho do paciente e pelas medicações tópicas usadas em sua técnica. No saco conjuntival pode haver bactérias e fungos (1)(2)(3) .…”

“…Pode haver bactérias e fungos na lágrima e fundo de saco conjuntival (1)(2)(3) , tornando-se indispensável a adequada limpeza do tonômetro após seu uso. Neste estudo não utilizamos solução de fluoresceína devido seu risco de contaminação por P. aeruginosa (5) .…”

Caracterización de la microbiota conjuntival transitoria y residente de adultos jóvenes

“…Al nacer predominan en el ojo del individuo S. epidermidis, S. aureus, Diphtheroides, Streptococcus viridans, Bacillus haemophilus, Bacteroides, Propionibacterium y Lactobacillus, similar a la microbiota del cérvix; dos días después del nacimiento S. epidermidis, S. aureus y E. coli son más comúnmente aislados (4,6,10), y en los niños y adultos los más frecuentes son Staphylococcus coagulasa negativos, Diphteroides, Propionibacterium y Streptococcus -estos últimos se presentan con mayor regularidad en los niños- (6,11,12).…”