Bacterial flora of the conjunctiva one year after dacryocystorhinostomy

PURPOSE: The purpose of this study was to evaluate the changes of conjunctival bacterial flora 1 year after successful dacryocystorhinostomy (DCR). METHODS: Seventy-two consecutive adult patients with successful DCR were enrolled in this study. We obtained conjunctival cultures from the operated eye...

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Bibliographic Details
Published in:Middle East African journal of ophthalmology 2018-01, Vol.25 (1), p.35-39
Main Authors: Owji, Naser, Zareifard, Alireza
Format: Article
Language:English
Subjects:
Adult
Aged
Analysis
Antibiotics
Bacteria
Bacteria - isolation & purification
Cataracts
Conjunctiva - microbiology
Dacryocystorhinostomy
Development and progression
Endophthalmitis
Endophthalmitis - epidemiology
Endophthalmitis - microbiology
Eye Infections, Bacterial - epidemiology
Eye Infections, Bacterial - microbiology
Eye surgery
Female
Follow-Up Studies
Gram-positive bacteria
Humans
Incidence
Iran - epidemiology
Laboratories
Male
Middle Aged
Nose
Ophthalmology
Original
Patient outcomes
Postoperative care
Postoperative Period
Research centers
Risk factors
Studies
Time Factors
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Summary:PURPOSE: The purpose of this study was to evaluate the changes of conjunctival bacterial flora 1 year after successful dacryocystorhinostomy (DCR). METHODS: Seventy-two consecutive adult patients with successful DCR were enrolled in this study. We obtained conjunctival cultures from the operated eyes, fellow eyes, and nasal mucosa of the operated side 1 year after the operation. After the period of incubation, further evaluation was performed using standard laboratory techniques. RESULTS: In the conventional media, positive bacterial growth was detected in 48 (66.7%) of the 72 operated eyes and in 31 of the 72 normal fellow eyes (43.1%). Nasal specimens were positive for bacterial growth in 65 (90.3%) patients. Isolation rate was significantly different between the operated and the fellow (nonoperated) eyes (P = 0.0074). Colony count, type, and frequencies of bacterial isolation from the operated eyes were similar to nonoperated eyes. CONCLUSION: One year after DCR, conjunctival bacterial isolation rate increased compared with the normal fellow eyes. Remote DCR may be considered as a local risk factor for developing postoperative endophthalmitis.
ISSN:0974-9233
0975-1599
0975-1599
0974-9233
DOI:10.4103/meajo.MEAJO_225_17