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要約 目的:硝子体手術を行った転移性細菌性眼内炎5例の報告。症例と経過:過去7年8か月間に転移性細菌性眼内炎に対し硝子体手術を行った5例5眼が対象である。年齢は51~69歳(平均61歳)であった。眼科初診時に原病巣が同定されていたのは肝膿瘍1例だけであったが,最終的に肝膿瘍2例,肺膿瘍1例,心内膜炎1例,結核1例であることが判明した。起因菌は,Klebsiella pneumoniae2例,Streptococcus anginosus1例,Mycobacterium tuberculosis1例,不明1例である。眼症状の出現から筆者らの施設における手術までの期間は2~77日(平均21日)であった。手術時の視力は0~0.01であった。術前に網膜剝離があった3眼は光覚を失い,剝離がない2眼では術後視力が改善した。術中に採取した硝子体の培養は診断に有用であった。結論:硝子体手術は内因性細菌性眼内炎の診断と治療に重要な意義を持つ。
Abstract. Purpose:To report cases of metastatic bacterial endophthalmitis treated by vitrectomy. Cases and Findings:Victrectomy was peformed on 5 eyes of 5 cases of metastatic bacterial endophthalmitis during the past 7 years 8 months. The ages ranged from 51 to 69 years,average 61 years. Interval between onset of ocular symptoms and vitrectomy in our hospital ranged from 2 to 77 days,average 21 days. Before surgery,endophthalmitis was diagnosed as metastatic in 1 case and idiopathic in 4. Ultimately,ophthalmitis was metastatic from liver abscess in 2 cases and from lung abscess,endocarditis and tuberculosis in one case each. The causative organisms comprised 2 cases of Klebsiella pneumoniae and one case each of Streptococcus anginosus,Mycobacterium tuberculosis,and unknown. Visual acuity before surgery ranged from nil to 0.01. Final visual acuity was nil in 3 eyes with retinal detachment before surgery. It improved in the other 2 eyes that had no retinal detachment. Culture of vitreous specimen was useful in establishing the diagnosis. Conclusion:Vitrectomy was useful in the treatment and diagnosis of metastatic bacterial endophthalmitis.
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