Volume 24 Issue 4
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Article Navigation >  Chinese Journal of General Practice  > 2026  >  24(4): 687-691
ZHU Ying, BAO Lei, SHI Hui, TANG Liyuan, WANG Zuming. Influence of quality intervention based on causal analysis on disinfection effect of disinfection supply room[J]. Chinese Journal of General Practice, 2026, 24(4): 687-691. doi: 10.16766/j.cnki.issn.1674-4152.004469
Citation: ZHU Ying, BAO Lei, SHI Hui, TANG Liyuan, WANG Zuming. Influence of quality intervention based on causal analysis on disinfection effect of disinfection supply room[J]. Chinese Journal of General Practice, 2026, 24(4): 687-691. doi: 10.16766/j.cnki.issn.1674-4152.004469
shu

Influence of quality intervention based on causal analysis on disinfection effect of disinfection supply room

doi: 10.16766/j.cnki.issn.1674-4152.004469
  • 1.

    Central Sterile Supply Department, Eastern Theater General Hospital, Chinese People's Liberation Army, Nanjing, Jiangsu 210018, China

Funds:

 CW202416

  • Received Date: 2025-10-11
    Abstract
  •   Objective  The disinfection effect of medical devices in the central sterile supply department directly influences medical quality, patient safety, and the efficacy of hospital infection prevention and control. To improve sterilization quality in the central sterile supply department, this study applied quality intervention based on causal analysis to the central sterile supply department and explored its clinical value.  Methods  From June 2022 to December 2022, 1 326 surgical instruments disinfected in the Central Sterile Supply Department of Eastern Theater General Hospital, Chinese People's Liberation Army, which did not receive quality intervention based on causal analysis, were set as the control group. From January 2023 to June 2023, 1 389 surgical instruments receiving quality intervention based on causal analysis were selected as the observation group. The control group received conventional quality intervention, while the observation group was given quality intervention based on causal analysis in addition to conventional intervention. The disinfection effects between the two groups were compared.  Results  The scores for the knowledge level of infection management among the disinfection supply staff, supervisors, and medical device engineers in the observation group were (94.63±3.32) points, (93.80±2.21) points, and (86.68±2.89) points respectively, which were all higher than those of the control group (90.27±4.36) points, (87.62±2.03) points, and (81.92±1.45) points (P < 0.05). The proportion of standardized operations in the recovery, cleaning and disinfection, packaging sterilization, aseptic testing, and equipment distribution of the observation group was higher than that of the control group (P < 0.05). The incidence of unqualified events in the cleaning and sterilization of medical devices in the control group was 2.04% (27/1 326), which was higher than that in the observation group [0.94% (13/1 389), χ2=5.658, P=0.017].  Conclusion  Quality intervention based on causal analysis can improve the knowledge level of infection management in the disinfection supply room, improve the quality of disinfection and sterilization.

     

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