J Korean Ophthalmol Soc > Volume 58(9); 2017 > Article
Journal of the Korean Ophthalmological Society 2017;58(9):1017-1022.
DOI: https://doi.org/10.3341/jkos.2017.58.9.1017    Published online September 15, 2017.
Analysis of Microorganisms and Antibiotics Susceptibility in Dacryocystitis.
Chang Hoon Lee, Tae Eun Lee, In Cheon You, Nam Chun Cho, Min Ahn
1Department of Ophthalmology, Chonbuk National University Medical School, Jeonju, Korea. ahnmin@jbnu.ac.kr
2Research Institute of Clinical Medicine, Chonbuk National University, Jeonju, Korea.
3Biomedical Research Institute, Chonbuk National University Hospital, Jeonju, Korea.
눈물주머니염 환자에서의 원인균 및 항생제감수성 결과
이창훈1⋅이태은1,2,3⋅유인천1,2,3⋅조남천1,2,3⋅안 민1,2,3
전북대학교 의학전문대학원 안과학교실1, 전북대학교 임상의학연구소2, 전북대학교병원 의생명연구원3
Correspondence:  Min Ahn,
Email: ahnmin@jbnu.ac.kr
Received: 29 September 2016   • Revised: 22 January 2017   • Accepted: 17 August 2017
This article analyzes the microorganisms and antibiotics susceptibility in dacryocystitis. METHODS: In this study, patients who were diagnosed with acute and chronic dacryocystitis with nasolacrimal duct obstruction were selected and underwent endoscopic endonasal dacryocystorhinostomy. Cultures were obtained from the lacrimal sac during operation from January 2008 to January 2016, and were used to analyze the microorganisms and antibiotics susceptibility. RESULTS: The 67 patients, 9 were diagnosed with acute dacryocystitis and 58 were diagnosed with chronic dacryocystitis. Among them, 64 cases showed bacterial growth (95.5%). The most frequently detected bacteria was Staphylococcus epidermidis (S. epidermidis) (33.8%), followed by Staphylococcus aureus (S. aureus) (25.4%) and Enterobacter aerogenes (18.3%). S. epidermidis had the most powerful resistance to ciprofloxacin compared to the other bacteria (58.3%, p = 0.02). Except for S. epidermidis and S. aureus, the other bacteria responded to ciprofloxacin and gentamycin. CONCLUSIONS: As a causative microorganism of dacryocystitis, S. epidermidis is becoming more prominent, and it is thought that S. epidermidis may be resistant to quinolones (i.e., broad-spectrum antibiotics). This resistance might be increasing the percentage of present S. epidermidis when viewed as a causal pathogen in dacryocystitis.
Key Words: Antibiotics susceptibility;Dacryocystitis;Microorganism

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