TREATMENT OF ENDOPHTHALMITIS AFTER CATARACT EXTRACTION

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Abstract
A series of 34 patients was prospectively treated for postoperative endophthalmitis according to a specific protocol. The data are from the pilot study performed before initiation of the Endophthalmitis Vitrectomy Study (EVS). Patients with bacterial endophthalmitis that developed within 6 weeks of cataract extraction received intravitreal amikacin and vancomycin, subconjunctival and topical antimicrobials and corticosteroids, and systemic corticosteroids. All patients had diagnostic samples removed from the aqueous and vitreous, with randomized assignment to immediate vitrectomy versus vitreous tap and treatment with or without intravenous antibiotics. Outcome was evaluated 3 and 9 months after treatment. At the 9-month visit, visual acuity was 20/50 or better in 49% of all eyes, 20/200 or better in 79%, and 5/200 or better in 91%. Media clarity was such that a "20/40 or better view" of the retina was present in 71% of patients at 3 months and in 97% at 9 months. This is one of the largest series of patients with postoperative endophthalmitis treated and evaluated under a prospective protocol and without selection bias. Each of the options used in this study to treat postoperative endophthalmitis may result in good visual results.

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