MRSAの検出された耳科領域感染症の検討

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  • Ear Diseases with Isolates of Methicillin Resistant Staphylococcus Aureus (MRSA) from Otorrhea in a Private ENT Clinic
  • MRSA ノ ケンシュツ サレタ ジカ リョウイキ カンセンショウ ノ ケントウ

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In a recent report, I emphasized that nosocomial MRSA should be reduced to a minimum in order to prevent it from becoming the source of nosocomial or/and inter-hospital epidemics.<br>A bacteriological study in 1998 revealed that 17 isolates of MRSA accounted for 4.4% of all 386 isolates from otorrhea. As MRSA infections have become more widespread in Japan, culture and sensitivity testing at the initial visit is essential as a guide to proper therapy for the early diagnosis and treatment of MRSA infections.<br>In this study I examined 16 otologic patients with MRSA infections: 8 males and 8 females. They ranged in age from one month to 78 years.<br>The sites of major lesions detected under microscopic examination were the external ear in 9 cases, the tympanic membrane in 4 cases, and the middle-ear in 3 cases.<br>Other bacteria coexisted in 3 cases, and 2 patients suffered recurrence of MRSA infections.<br>Among the 16 patients with ear diseases caused by MRSA, 4 patients (25%) were not found to have nosocomial infection of MRSA in my clinic but rather nosocomial acquisition. In the other 12 patients (75%), including six with inter-hospital infections, MRSA was detected at their initial visit.<br>All cases were successfully controlled by means of early diagnosis, appropriate local-treatment, and suitable use of an antimicrobial drug (MINO).

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