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To investigate the incidence, causative organisms, and visual acuity outcomes associated with endophthalmitis after pars plana vitrectomy. Retrospective, nonc omparative, consecutive case series. The medical records were reviewed of all pa tients who developed acute onset postoperative endophthalmitis (within 6 weeks of surgery) after pars plana vitrectomy at Bascom Palmer Eye Institute between J anuary 1, 1984 and December 31, 2003. During the 20 year study interval, the ov erall incidence rate of postvitrectomy endophthalmitis was 0.039%(6/15,326). Cu ltured organisms were Staphylococcus aureus (n=3), Proteus mirabilus (n=1), and Staphylococcus epidermidis/Pseudomonas aeruginosa (n=1); one case was cul ture negative. Visual acuity after treatment for endophthalmitis ranged from 2/200 to no light perception, with a final vision of light perception or no light perc eption in four of six (67%) eyes. The incidence of endophthalmitis after pars p lana vitrectomy is low but the visual acuity outcomes after treatment are genera lly poor.
To investigate the incidence, causative organisms, and visual acuity outcomes associated with endophthalmitis after pars plana vitrectomy. Retrospective, nonc omparative, consecutive case series. The medical records were reviewed of all pa tients who acute onset postoperative endophthalmitis (within 6 weeks of surgery ) after pars plana vitrectomy at the Bascom Palmer Eye Institute between January 1, 1984 and December 31, 2003. During the 20 year study interval, the ov erall incidence rate of postvitrectomy endophthalmitis was 0.039% (6/15, 326). Cu ltured organisms were Staphylococcus aureus (n = 3), Proteus mirabilus (n = 1), and Staphylococcus epidermidis / Pseudomonas aeruginosa (n = 1); one case was cul ture negative. Visual acuity after treatment for endophthalmitis ranged from 2/200 to no light perception , with a final vision of light perception or no light percption in four of six (67%) eyes. The incidence of endophthalmitis after pars p lana vitrectomy is low but the visual acui ty outcomes after treatment are genera lly poor.