An Epidemiological Investigation of Hospital Infections Caused by MRSA and Their Prevention

概要

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"To reexamine measures for preventing of hospital infections caused by medical staff and in order to decrease hospital infection rates, MRSA inhabitation and transmission patterns were investigated in two facilities (hospitals X and Y), by gene analysis using pulse field gel electrophoresis (PFGE). The DNA patterns of MRSA isolated from patients and from the fingers and uniforms of nurses, who cared for the patients, were identical, indicating inadequate standard precaution (SP) practice, including proper hand washing and gown technique. The results were reported to the facilities, and new infection control procedures were instituted. After implementation of the revised guidelines, the same survey was repeated in the same wards. In hospital X, no MRSA strain was isolated from individuals other than the MRSA patients. The new procedures based on the epidemiological investigation by PFGE were effective in preventing of hospital infections. In contrast, hospital Y was unable to institute systematic measures for infection control, and contamination and transmission of MRSA appeared in the second investigation, showing that the survey results had no effect. Effective intervention for promotion of systematic, rational measures for infection control remains an issue at this hospital."
川崎医療福祉大学の論文