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Predictive factors of visual outcome in acute post-cataract endophthalmitis
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International audience. Purpose: To study potential clinical and microbiological predictive factors of visual outcome in patients with acute endophthalmitis following cataract surgery. Methods: A prospective study included 100 patients in 4 University hospital.Factors related to the cataract surgery, the initial clinical presentation and the microbiological identification were analyzed according to the final visual outcome using univariate and multivariate (logistic regression) analysis. Results: 46% out of the patients had a final visual acuity less than or equal to 0.3 logMar (good visual outcome) at 6 months while 10% had only light perceptions. Patients with good visual outcome differed for the duration of cataract surgery, initial visual acuity, the visibility of fundus and the identification of a coagulase negative staphylococcus. In contrast, patients with a poor visual outcome were older, had more cornea oedema and a more important hypopion at the admission, more complications at the time of cataract surgery. Furthermore a bacterium was more frequently identified in this latter group. Multivariate analysis showed that age, complications at the time of cataract surgery, microbiological identification, pars plana vitrectomy were independent predictive factors. Conclusion: Factors of visual outcome in acute postcataract endophthalmitis identified in this prospective study were similar to that reported during the Endophthalmitis Vitrectomy Study 10 years ago. As part of the treatment, pars plana vitrectomy is associated with predictive factors of poor visual outcome. Identification of these predictive factors at presentation should allow a better management of patients needed an aggressive treatment.
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