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A Study on the Measurement of the Microbial Contamination Level of Mammography

Affiliations

  • Department of Radiology Science, Far East University, Chungbuk, Korea
  • Department of Radiology Science, Hanseo University, Chungnam, Korea
  • Department of Pathology, Korea Clinical Laboratory, Seoul, Korea
  • Department of Diagnostic Radiology, Wonkwang University Hospital, Chunbuk, Korea

Abstract


Objects: This study aims to find a way to control infection of mammography effectively, by culture identification of the microbialflora in hospitals. And, it will suggest importance of infection management and necessity of education for workers and patients. Methods/Statistical Analysis: The way of collecting clinical material was done by keyboard and mouse being used by most of workers for mammography among 10 medical institutions using cotton swabs as transport medium on contacted skin part of patient and wiping out top, middle and bottom of it. Transport medium used after collecting examining materials was put and sealed with tip dipped in an individual culture medium (10cc). Sealed materials are assorted by examination and used within 24 hours. Findings: When examining the distribution of detected bacteria, Staphylococcus epidermidis comprised 6 cases, 15% of the total, while Enterococcus faecalis was detected in 4 cases, 10%, each of I, and Serratiamarcescens, occurred in 3 cases, 7.5%, each of Enterococcus faecium, and Gram negative bacilli occurred in 2 cases, 5%, Providenciarettgeri, Klebsiella pneumonia, and Micrococcus species occurred in 1 case, 2.5% percent. There are cases where bacteria did not grow after culture for 24 hours at 37°C, accounted for 42.5% of 17 cases, and bacteria were not detected in a significant proportion of locations tested. Among the specimens collected, the lowest amount of bacteria was found on the Face block. Also, while the Staphylococcus epidermidis, which was found at the highest levels, was detected on none of the compression paddles, it was detected most frequently on the grid. Application/ Improvements: Especially, detection of contamination materials in breast imaging room that makes patient’s skin straight exposed and has highest contact frequency between examiners and patients. Will be expected to contribute to high sense of sterilization of examiners and much more putting priority on prevention of infection.

Keywords

Bacteria, Identification, Infection, Mammography, Pollution.

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