Research Study on the Effects of Disinfectants on Medical Images and Medical Equipment in Infection Control Measures
In this study, we investigated the effects of various disinfectants used to prevent infectious diseases on medical images and medical equipment. First, we investigated the effect of residual disinfectant on medical images in CT, mammography (MMG), and general imaging systems. Acrylic discs with vari...
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| Published in | Japanese Journal of Radiological Technology Vol. 80; no. 6; pp. 649 - 657 |
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| Main Authors | , , , , , , |
| Format | Journal Article |
| Language | Japanese |
| Published |
Japan
Japanese Society of Radiological Technology
01.01.2024
Japan Science and Technology Agency |
| Subjects | |
| Online Access | Get full text |
| ISSN | 0369-4305 1881-4883 1881-4883 |
| DOI | 10.6009/jjrt.2024-1425 |
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| Abstract | In this study, we investigated the effects of various disinfectants used to prevent infectious diseases on medical images and medical equipment. First, we investigated the effect of residual disinfectant on medical images in CT, mammography (MMG), and general imaging systems. Acrylic discs with various disinfectants attached were photographed using each imaging device, and visual evaluation and changes in image signal values were evaluated. We also conducted a questionnaire survey of each manufacturer regarding cleaning methods for medical devices. With CT/MMG, residual disinfectant could be visually confirmed on the image. Although this could not be confirmed with the general imaging system, a significant difference was confirmed in the image signal values of the general imaging system through statistical analysis. This is thought to be largely due to the influence of nonlinearity in the short-time imaging range of general imaging equipment. In addition, from the responses to a questionnaire survey of each medical device manufacturer, we were able to understand detailed cleaning methods that are not covered in medical device instruction manuals. |
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| AbstractList | In this study, we investigated the effects of various disinfectants used to prevent infectious diseases on medical images and medical equipment. First, we investigated the effect of residual disinfectant on medical images in CT, mammography (MMG), and general imaging systems. Acrylic discs with various disinfectants attached were photographed using each imaging device, and visual evaluation and changes in image signal values were evaluated. We also conducted a questionnaire survey of each manufacturer regarding cleaning methods for medical devices. With CT/MMG, residual disinfectant could be visually confirmed on the image. Although this could not be confirmed with the general imaging system, a significant difference was confirmed in the image signal values of the general imaging system through statistical analysis. This is thought to be largely due to the influence of nonlinearity in the short-time imaging range of general imaging equipment. In addition, from the responses to a questionnaire survey of each medical device manufacturer, we were able to understand detailed cleaning methods that are not covered in medical device instruction manuals. |
| ArticleNumber | 2024-1425 |
| Author | Akagi, Nobuhiro Araki, Takahiro Kobayashi, Takayuki Matsuta, Natsue Taura, Masaaki Kanazawa, Tsutomu Tateishi, Toshiki |
| Author_xml | – sequence: 1 fullname: Taura, Masaaki organization: Department of Radiology, Tohoku Medical and Pharmaceutical University Hospital – sequence: 1 fullname: Araki, Takahiro organization: Department of Radiology, Yamagata Prefectural Central Hospital – sequence: 1 fullname: Kobayashi, Takayuki organization: Department of Radiology, Kitasato University Kitasato Institute Hospital – sequence: 1 fullname: Matsuta, Natsue organization: Department of Radiology, Cardiovascular Center, Miyagi Association for Prevention of Adult Diseases – sequence: 1 fullname: Akagi, Nobuhiro organization: Canon Medical Systems Inc – sequence: 1 fullname: Tateishi, Toshiki organization: Department of Radiology, National Hospital Organization Miyagi Hospital – sequence: 1 fullname: Kanazawa, Tsutomu organization: Department of Radiology, Niigata University Medical and Dental Hospital |
| BackLink | https://www.ncbi.nlm.nih.gov/pubmed/38631870$$D View this record in MEDLINE/PubMed |
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| Cites_doi | 10.1056/NEJMoa2001017 10.6009/jjrt.KJ00001356924 10.4286/ikakikaigaku.77.5_316 |
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| References | 3） 量子科学技術研究開発機構監訳．3. 3 推奨事項3～5．胸部画像診断のCOVID-19への適用：緊急アドバイスガイド．集賛舎，千葉，2020. 15–20. 2） 日本放射線技術学会東北支部医療安全班．放射線検査領域におけるCOVID-19対応調査．日放線技会東北誌 2021; 4(30): 28–38. 9） Spaulding EH. Chemical disinfection and antisepsis in the hospital. J Hosp Res 1972; 9: 5–31. 5） 浅野宏，三宅博之，山本桂一，他．インバータ式X線装置のX線出力比較．日放技学誌 2000; 56(5): 715–724. 8） 吉田俊介．病院環境表面としての医療機器に用いる消毒薬（〈特集〉洗浄・消毒薬と医療機器）．医科器械学 2007; 77(5): 316–320. 4） 日本脳卒中学会COVID-19対策プロジェクトチームJSS-PCS作成ワーキンググループ．COVID-19対応 脳卒中プロトコル（日本脳卒中学会版Protected Code Stroke: JSS-PCS），2020．https://www.jsts.gr.jp/news/pdf/jss_pcs_ver1_2.pdf 6） 戸高玲子，芳賀慧，澤田成史，他．新型コロナウイルスに対する消毒薬の効果．感染制御と予防衛生 2020; 4(1): 30–38. 7） 厚生労働省．感染症法に基づく消毒・滅菌の手引きについて．2022．健感発0311第8号 10） 製品評価技術基盤機構（NITE）新型コロナウイルスに対する代替消毒方法の有効性評価に関する検討委員会．新型コロナウイルスに対する代替消毒方法の有効性評価（最終報告），2020．https://www.nite.go.jp/data/000111315.pdf 1） Zhu N, Zhang D, Wang W, et al. A novel coronavirus from patients with pneumonia in China, 2019. N Engl J Med 2020; 382(8): 727–733. 1 2 3 4 5 6 7 8 9 10 |
| References_xml | – reference: 8） 吉田俊介．病院環境表面としての医療機器に用いる消毒薬（〈特集〉洗浄・消毒薬と医療機器）．医科器械学 2007; 77(5): 316–320. – reference: 9） Spaulding EH. Chemical disinfection and antisepsis in the hospital. J Hosp Res 1972; 9: 5–31. – reference: 4） 日本脳卒中学会COVID-19対策プロジェクトチームJSS-PCS作成ワーキンググループ．COVID-19対応 脳卒中プロトコル（日本脳卒中学会版Protected Code Stroke: JSS-PCS），2020．https://www.jsts.gr.jp/news/pdf/jss_pcs_ver1_2.pdf – reference: 7） 厚生労働省．感染症法に基づく消毒・滅菌の手引きについて．2022．健感発0311第8号． – reference: 2） 日本放射線技術学会東北支部医療安全班．放射線検査領域におけるCOVID-19対応調査．日放線技会東北誌 2021; 4(30): 28–38. – reference: 5） 浅野宏，三宅博之，山本桂一，他．インバータ式X線装置のX線出力比較．日放技学誌 2000; 56(5): 715–724. – reference: 10） 製品評価技術基盤機構（NITE）新型コロナウイルスに対する代替消毒方法の有効性評価に関する検討委員会．新型コロナウイルスに対する代替消毒方法の有効性評価（最終報告），2020．https://www.nite.go.jp/data/000111315.pdf – reference: 1） Zhu N, Zhang D, Wang W, et al. A novel coronavirus from patients with pneumonia in China, 2019. N Engl J Med 2020; 382(8): 727–733. – reference: 3） 量子科学技術研究開発機構監訳．3. 3 推奨事項3～5．胸部画像診断のCOVID-19への適用：緊急アドバイスガイド．集賛舎，千葉，2020. 15–20. – reference: 6） 戸高玲子，芳賀慧，澤田成史，他．新型コロナウイルスに対する消毒薬の効果．感染制御と予防衛生 2020; 4(1): 30–38. – ident: 2 – ident: 1 doi: 10.1056/NEJMoa2001017 – ident: 3 – ident: 4 – ident: 5 doi: 10.6009/jjrt.KJ00001356924 – ident: 6 – ident: 9 – ident: 7 – ident: 8 doi: 10.4286/ikakikaigaku.77.5_316 – ident: 10 |
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| SubjectTerms | Antiseptics Cleaning Cleaning systems Computed tomography Control equipment Disinfectants Disinfection & disinfectants effects of disinfectants Image processing infection control measures Infectious diseases Mammography Medical devices Medical equipment medical images and medical equipment Medical imaging Medical research Medical technology Nonlinear systems Questionnaires Statistical analysis Surveys Teaching methods |
| Title | Research Study on the Effects of Disinfectants on Medical Images and Medical Equipment in Infection Control Measures |
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