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Open Access Highly Accessed Research article

Results at seven years after the use of intracamerular cefazolin as an endophthalmitis prophylaxis in cataract surgery

Pedro Romero-Aroca1*, Isabel Méndez-Marin2, Merce Salvat-Serra2, Juan Fernández-Ballart3, Matias Almena-Garcia2 and Javier Reyes-Torres2

Author Affiliations

1 Professor of Ophthalmology. Ophthalmology Service. Hospital Universitari Sant Joan, IISPV, Universidad Rovira i Virgili, Reus (Spain

2 Ophthalmology Service. Hospital Universitari Sant Joan, IISPV, Universidad Rovira i Virgili, Reus (Spain

3 Department of Basic Sciences, University Rovira i Virgili, Tarragona (Spain). CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III (ISCIII), (Spain

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BMC Ophthalmology 2012, 12:2  doi:10.1186/1471-2415-12-2

Published: 24 January 2012

Abstract

Background

To evaluate results after seven years using prophylactic intracameral cefazolin for the prevention of endophthalmitis in cataract surgery.

Methods

A prospective, observational study of all patients submitted to cataract surgery over the period January 1996 to December 2009. All cases of postoperative endophthalmitis over that period were reviewed. The patients were classified in two groups: Group 1 (11,696 patients) operated on between January 1996 and December 2002, Group 2 (13,305 patients) between January 2003 and December 2009 (in whom a 1 mg/0.1 bolus of intracameral cefazolin was instilled).

Results

During the study period, 76 cases of endophthalmitis were observed in Group 1, and seven in Group 2. The rate of postoperative endophthalmitis reduced from 0.63% to 0.05% with a cefazolin injection. The relative risk (RR) for endophthalmitis in Group 1 against group 2 was 11.45 [95% CI 5.72-22.84, p < 0.001].

Conclusions

An intracameral bolus injection of cefazolin (1 mg in 0.1 ml solution) at the conclusion of the cataract surgery significantly reduced the rate of postoperative endophthalmitis.

Keywords:
endophthalmitis; cataract surgery; cefazoline; prophylactic ophthalmic surgery; cephalosporines