糖尿病患者の顎顔面歯性感染症からの分離菌とその薬剤感受性についての検討

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  • Microbiology and antimicrobial susceptibilities of maxillofacial odontogenic infections in diabetics
  • トウニョウビョウ カンジャ ノ ガク ガンメン シセイ カンセンショウ カラノ ブンリキン ト ソノ ヤクザイ カンジュセイ ニ ツイテ ノ ケントウ

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The aim of this study was to compare the differences in isolated organisms and their antibiotic susceptibility between diabetics and non-diabetics with maxillofacial odontogenic infection. For this study, we selected 128 patients (20 diabetics, 88 non-diabetics 30 years old or older, and 20 non-diabetics less than 30 years old) who were diagnosed with neck or maxillofacial cellulitis and abscesses. The samples were collected from lesions under anaerobic conditions and cultured and incubated under aerobic and anaerobic conditions. A total of 301 strains were isolated from 128 patients. The most frequently isolated bacteria in the diabetic group were the genus Prevotella (50%) and α-Streptococcus (50%). The most frequently isolated bacteria in the two nondiabetic groups were the genus Prevotella (60% for the younger and 63.6% for the older group) followed by the genus Peptostreptococcus (45% and 52.3%, respeclively). The ratio of anaerobes isolated from all strains was 61%. The ratios of aerobes detected in the three groups were 90%, 71.6%, and 56%, respectively, for the diabetic group, the older and the younger non-diabetic groups.β-lactamase producing strains were found in 5% of all strains, and were mostly bacteria of the genus Prevotella. Most of these strains were found in the group of non-diabetics less than 30 years old. There were no statistically significant differences among the three groups in organisms detected or antibiotic susceptibility, but our results suggest that aerobes may affect the progression of maxillofacial odontogenic infection more severely in diabetics than in non-diabetics.

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