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Microbial keratitis after intrastromal corneal ring segment implantation.
J Refract Surg. 2010 May; 26(5):364-9.JR

Abstract

PURPOSE

To evaluate the incidence of acute microbial keratitis after intrastromal corneal ring segment implantation and to investigate whether microbial keratitis is related to the intrastromal corneal ring type or surgical technique.

METHODS

Intrastromal corneal ring segments were implanted in 212 eyes of 149 patients. Two different types of intrastromal corneal ring segments were used during the study, Intacs and Ferrara rings, and two surgical techniques were used for intrastromal corneal ring segment implantation, manual and femtosecond laser.

RESULTS

One hundred thirty-four eyes (63.2%) underwent Intacs implantation and 78 (36.8%) eyes received Ferrara rings. Corneal tunnels were created using the manual technique in 119 (56.1%) eyes and by femtosecond laser in 93 (43.9%) eyes. Three cases (1.4%) of acute microbial keratitis were clinically identified. Cultures were positive in 2 eyes and negative in 1 eye, and polymerase chain reaction was positive in all 3 cases. The microorganisms isolated from cultures were Streptococcus mitis and Staphylococcus aureus. In 2 cases, the femtosecond laser technique was used (1 eye Intacs, 1 eye Ferrara), and in 1 case, the manual technique was used (Intacs). No statistically significant difference was noted between techniques (P=.582) or segment type (P=1.000). In all cases, intrastromal corneal ring segments were explanted and intensive topical antibiotics were used with clinical success.

CONCLUSIONS

Acute microbial keratitis incidence after intrastromal corneal ring segment implantation was 1.4%. Gram-positive cocci were the organisms isolated more frequently. Proper management of this condition requires intrastromal corneal ring segment explantation and intensive topical antibiotics.

Authors+Show Affiliations

Department of Ophthalmology, Miguel Hernández University, Alicante, Spain. rdioa@vissum.comNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Case Reports
Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

20506994

Citation

Mulet, M Emilia, et al. "Microbial Keratitis After Intrastromal Corneal Ring Segment Implantation." Journal of Refractive Surgery (Thorofare, N.J. : 1995), vol. 26, no. 5, 2010, pp. 364-9.
Mulet ME, Pérez-Santonja JJ, Ferrer C, et al. Microbial keratitis after intrastromal corneal ring segment implantation. J Refract Surg. 2010;26(5):364-9.
Mulet, M. E., Pérez-Santonja, J. J., Ferrer, C., & Alió, J. L. (2010). Microbial keratitis after intrastromal corneal ring segment implantation. Journal of Refractive Surgery (Thorofare, N.J. : 1995), 26(5), 364-9. https://doi.org/10.3928/1081597X-20090617-06
Mulet ME, et al. Microbial Keratitis After Intrastromal Corneal Ring Segment Implantation. J Refract Surg. 2010;26(5):364-9. PubMed PMID: 20506994.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Microbial keratitis after intrastromal corneal ring segment implantation. AU - Mulet,M Emilia, AU - Pérez-Santonja,Juan J, AU - Ferrer,Consuelo, AU - Alió,Jorge L, Y1 - 2010/05/19/ PY - 2008/11/11/received PY - 2009/04/28/accepted PY - 2010/5/29/entrez PY - 2010/5/29/pubmed PY - 2010/9/2/medline SP - 364 EP - 9 JF - Journal of refractive surgery (Thorofare, N.J. : 1995) JO - J Refract Surg VL - 26 IS - 5 N2 - PURPOSE: To evaluate the incidence of acute microbial keratitis after intrastromal corneal ring segment implantation and to investigate whether microbial keratitis is related to the intrastromal corneal ring type or surgical technique. METHODS: Intrastromal corneal ring segments were implanted in 212 eyes of 149 patients. Two different types of intrastromal corneal ring segments were used during the study, Intacs and Ferrara rings, and two surgical techniques were used for intrastromal corneal ring segment implantation, manual and femtosecond laser. RESULTS: One hundred thirty-four eyes (63.2%) underwent Intacs implantation and 78 (36.8%) eyes received Ferrara rings. Corneal tunnels were created using the manual technique in 119 (56.1%) eyes and by femtosecond laser in 93 (43.9%) eyes. Three cases (1.4%) of acute microbial keratitis were clinically identified. Cultures were positive in 2 eyes and negative in 1 eye, and polymerase chain reaction was positive in all 3 cases. The microorganisms isolated from cultures were Streptococcus mitis and Staphylococcus aureus. In 2 cases, the femtosecond laser technique was used (1 eye Intacs, 1 eye Ferrara), and in 1 case, the manual technique was used (Intacs). No statistically significant difference was noted between techniques (P=.582) or segment type (P=1.000). In all cases, intrastromal corneal ring segments were explanted and intensive topical antibiotics were used with clinical success. CONCLUSIONS: Acute microbial keratitis incidence after intrastromal corneal ring segment implantation was 1.4%. Gram-positive cocci were the organisms isolated more frequently. Proper management of this condition requires intrastromal corneal ring segment explantation and intensive topical antibiotics. SN - 1081-597X UR - https://www.unboundmedicine.com/medline/citation/20506994/Microbial_keratitis_after_intrastromal_corneal_ring_segment_implantation_ L2 - https://www.healio.com/doiresolver?doi=10.3928/1081597X-20090617-06 DB - PRIME DP - Unbound Medicine ER -