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ORIGINAL ARTICLE
Year : 2012  |  Volume : 5  |  Issue : 1  |  Page : 28-31

Childhood microbial keratitis


Department of Ophthalmology, College of Medicine, King Saud University, Riyadh, Saudi Arabia

Correspondence Address:
Abdullah G Al Otaibi
Department of Ophthalmology, King Abdulaziz University Hospital, P.O. Box 245, Airport Road, Riyadh 11411
Saudi Arabia
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0974-620X.94763

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Purpose: To evaluate risk factors for pediatric microbial keratitis and to describe the clinical picture, microbial spectrum, treatment modalities, posttreatment sequelae, and visual outcome in cases with pediatric microbial keratitis. Materials and Methods: All cases of microbial keratitis that occurred in children 16 years or younger who had an initial examination between January 2000 and December 2010 at a tertiary referral eye hospital in Riyadh, Saudi Arabia, were identified. A retrospective review of medical records was conducted using a computer-based diagnosis code. Demographic data, predisposing factors, clinical course, microbial culture results, and visual outcomes were recorded. Results: Sixty-eight eyes were included in this study. Predisposing factors were identified in 63 eyes (92.6%). All patients had unilateral microbial keratitis. The mean±SD age was 4.5 ± 4.8 years and 57.4% were male. Trauma was the leading cause [27 eyes (39.7%)], followed by systemic diseases [14 eyes (20.6%)], contact lens wear [11 eyes (16.1%)], and ocular diseases [11 eyes (16.1%)]. Corneal scraping was performed in all cases. Five patients needed general anesthesia to carry out the corneal scraping. Thirty-four (50.0%) eyes showed positive cultures. Gram-positive bacteria accounted for 67.8% and gram-negative bacteria for 38.2% of isolates. Streptococcus pneumoniae was the most commonly isolated organism [8 eyes (25.8%)], followed by Staphylococcus epidermidis [7 eyes (22.7%)]. Pseudomonas aeruginosa was the most commonly isolated gram-negative [6 eyes (17.6%)] organism. One eye had corneal perforation and required surgical intervention. Forty-five of 68 eyes (66.2%) had a best-corrected visual acuity evaluation at the last follow-up and 28 eyes (62.2%) of them had a best-corrected visual acuity of 20/40 or better. Conclusion: Children with suspected microbial keratitis require comprehensive evaluation and management. Early recognition, identifying the predisposing factors and etiological microbial organisms, and instituting appropriate treatment measures have a crucial role in outcome. Ocular trauma was the leading cause of childhood microbial keratitis in our study.


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