• Shwu-Jiuan Sheu, Ya-Hsin Kung, Tsung-Tien Wu, Fang-Ping Chang, and Yu-Harn Horng.
• Department of Ophthalmology, Kaohsiung Veterans General Hospital, Kaohsiung City, Taiwan.
• Retina (Philadelphia, Pa.). 2011 Nov 1; 31 (10): 2026-31.

PurposeTo identify the risk factors for endogenous endophthalmitis secondary to Klebsiella pneumoniae liver abscess.MethodsWe conducted a retrospective review of medical records of 602 patients admitted with K. pneumoniae liver abscess from January 1991 to November 2009. Variables included age, sex, history, month of onset, systemic condition, initial and final visual acuities, slit-lamp biomicroscopy, intraocular pressure, fundus, course and treatment.ResultsEndophthalmitis was identified in 42 patients (53 eyes). Nineteen eyes (35.8%) had final vision of counting fingers or better. Diabetes was significantly associated with the development of endophthalmitis (P = 0.003) and poor visual outcome (P = 0.019). Poor initial vision (worse than counting fingers) was also significantly related to the poor visual outcome of endophthalmitis (P < 0.001). Subgroup analysis of 9 vitrectomy cases showed that progressive anterior chamber reaction might be related to poor visual outcome. Moreover, patients whose disease onset was in winter were slightly more likely to develop endophthalmitis (P = 0.088).ConclusionAlthough the prognosis of endogenous K. pneumoniae endophthalmitis is generally poor, some eyes might be saved if treated early enough. Diabetes is a significant risk factor for the development of endogenous endophthalmitis and poor visual outcome in patients with K. pneumoniae liver abscess. Early vitrectomy might be considered in patients whose anterior chamber inflammation did not respond well to intravitreal antibiotics.

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