Review of causative microorganisms in lacrimal canaliculitis Shinichi Sugita 1 , Masako Oe 1 , Taiga Kinoshita 1 , Tomoyuki Yamada 1 , Hisashi Takenaka 1 , Toshiya Sakurai 1 , Kuo Chung Chang 1 , Takatoshi Maeno 1 , Tomiya Mano 1 , Toshimi Kitazawa 2 1Tane Memorial Eye Hosp 2Lab of Bacterial Inspection, Tane Hosp pp.851-855
Published Date 2008/6/15
DOI https://doi.org/10.11477/mf.1410102265
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Abstract. Purpose:To report the incidence and drug sensitivity of microorganisms in lacrimal canaliculitis. Cases:This retrospective study was made on 23 eyes of 23 patients who were diagnosed with lacrimal canaliculitis during the foregoing 88 months. The series comprised 5 males and 18 females. The age averaged 72 years. Results:Culture of material from infected canaliculi showed 16 species of aerobic and 10 species of anaerobic microorganisms. Anaerobic microorganisms were detected from 15 eyes(65%). Peptostreptococcus micros was the most frequent and was isolated from 6 eyes. Actinomycetaceae spp. were identified in 6 eyes. Out of the total of 39 strains, 25 showed the highest sensitivity to benzylpenicillin or ampicillin. Conclusion:Anaerobes appear to be causatively involved in the pathogenesis of lacrimal canaliculitis. It is, however, difficult to identify the causative microorganism by culture only.

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