Objective To find effective ways for controlling the hospital infection to the skeptical gas gangrene patients. Method From May 14th to June 24th, the hospital set up triage spots originally and dealt with the wounded based on their specific conditions in different stages and optimized the flow of admission of the wounded. Owing to correctly treating the wound and screening the skeptical gas gangrene patients, preventing nosocomial infections was shifted forward. Sprending the gas gangrene wound after having flushed it with 3% H2O2. If the wound have been stitched, the stitches should bee taken out, and open the wound and take the debridement for it completely, then treat it with b antibacterial after debridement by sterilization and isolation about operation of gas gangrene. Result Up to June 24th, none of 67 cases of doubtful gas gangrene from the disaster area died and no hospital cross infections happened in courtyard. At present, amomg the 67 cases, 32 were highly suspected of gas gangrene infection, 26 cases were discharged, while 6 cases were undergoing treatment in the hospital. Conclusion Correct management and appropriate treatment are effective ways for controlling hospital cross infection to the skeptical gas gangrene patients.
ObjectiveTo study the feasibility of using paper hand towels instead of sterilized hand towels in non-rinse surgical hand antisepsis, and make a hygienic and economic evaluation on sterilized hand towels and paper hand towels.MethodsFrom July to September 2016, a cluster sampling method was used to study the hand samples of all health care workers who performed surgical hand sanitization in the operating room on Thursday. According to their work contents, they were asigned into the intervention group (using paper hand towels to dry hands) and the control group (using sterilized hand towels to dry hands); further, according to the odd or even number of the staff identification number, the intervention group was divided into Group A (using Likang hand towels to dry hands) and Group B (using Qingfeng hand towels to dry hands). The packing specifications and costs of hand-drying items in the warehouse were surveyed, as well as the average number of medical workers performing an operation and the number of sheets of sterilized hand towels or paper hand towels used per person, and the cost of different hand dryers for each procedure was calculated. Finally, the hygienic and economic effects of using paper hand towels were evaluated.ResultsThere were 30, 39, and 30 hand hygiene samples collected in the control group, Group A, and Group B, respectively. The total bacterial count of each group was less than 5 cfu/cm2, which met the hygienic requirements of surgical hand disinfection in the manual hygiene standard for medical personnel (WS/T 313－2019), i.e., the passing rate of each group was 100%. According to the calculation that each operation required at least 4 medical workers, each operation consumed 8 sterilized hand towels at a cost of 15.2 yuan; if using paper hand towels, each operation consumed 16 sheets at a cost of 0.8 yuan.ConclusionThe hygienic effect of surgical hand disinfection is not affected by the use of paper hand towels before applying hand sanitizer, while the operating cost of hospital operating room can be significantly reduced by using paper hand towels instead of sterilized hand towels.
The coronavirus disease 2019 (COVID-19) epidemic has had a serious impact in the world. In the absence of vaccines and therapeutic drugs, disinfection has become an important technical means to block the spread of the virus. By analyzing the characteristics of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), we studied a series of disinfection technologies for COVID-19. During the outbreak of COVID-19, Jinan Second Center for Disease Control and Prevention disinfected the houses of the cases to be investigated in a community. The effectiveness of the disinfection technology was verified through the process of disinfection preparation, sampling before disinfection, field disinfection, sampling after disinfection and evaluation of disinfection effect. Compared the data before and after disinfection, the killing rate of the total bacterial colonies in the air and on the surface of the object was more than or equal to 90%, and no SARS-CoV-2 was detected after disinfection. The results show that the disinfection effect of the disinfection technology meets the standard. Finally, through the analysis of the wrong way of disinfection and the harm of over disinfection, the importance of scientific disinfection and precise disinfection are emphasized, and the research has a good guiding value for prevention and control of the epidemic.
目的 评价LB-SDS2.0型酸性氧化电位水生成机生成的酸性氧化电位水对皮肤（手）消毒的有效性和安全性。 方法 2006年2月－8月将90例健康志愿受试者随机分为3组，各组30例。A组用LB-SDS2.0型酸性氧化电位水生成机生成的酸性氧化电位水（试验产品）消毒2 min，B组用试验产品消毒4 min，C组（对照组）用聚维酮碘溶液擦拭3 min。检测消毒后菌落总数和致病菌，以及受试者不良反应情况。 结果 按照Ⅲ类区域工作人员洗手消毒标准，A、C组合格率均为100%，B组为96.7%；按照Ⅰ、Ⅱ类区域工作人员洗手消毒标准，A组合格率为86.7%；B组合格率为93.3%，C组合格率为100%。各组受试者试验后生命体征均无临床意义的改变，未出现任何不良反应。 结论 试验产品消毒手是安全有效的，可推荐用在Ⅲ类区域工作人员中使用，并进一步观察其安全性和有效性。建议扩大样本含量进一步评价其试验产品是否适用于Ⅰ、Ⅱ类区域工作人员洗手消毒。
The quality of disinfectant, disinfection devices and disposable medical devices is closely related to the patients' safety. Hospital infection management department must carry out the audit responsibilities for qualification documents of disinfectant, disinfection devices and disposable medical devices, to guarantee legality, safety and effectiveness of products used in hospital. This paper mainly introduces the implementation of qualification documents audit in West China Hospital, Sichuan University, including system construction, process reengineering, documents audit scope and key points, and document management.
ObjectiveTo evaluate the evidence of the experience with medical sewage treatment procedures in medical institutions in China. MethodsDatabases including CNKI, WanFang Data, PubMed, Web of Science, and EBSCO were electronically searched to collect studies on the medical sewage treatment process, flow, and specifications in medical institutions in China. We used the quality evaluation system to classify and grade the experiences based on the principles and methods of evidence-based science and performed a descriptive analysis. ResultsAfter the SARS pandemic in 2003, China systematically established and standardized the technical criteria of medical sewage treatment and discharge. Moreover, a prevention system for the epidemic using medical sewage was constructed, which guaranteed that the quality of medical sewage treatment and discharge would meet the criteria and protect the citizens, and the technical specifications of medical sewage treatment would progress and increase strictly. At present, medical sewage treatment in medical institutions in China was based on mechanical and biological methods, and disinfection was mainly performed using chlorine and its compounds, ozone, and ultraviolet light. ConclusionThe COVID-19 pandemic requires a higher quality of medical sewage treatment and discharge criteria for medical institutions in China. To meet these criteria, all medical institutions in China should check, replace, and update their old facilities; strengthen personnel training and effectively ensure the quality of medical sewage treatment.
This article reviews the current status and characteristics of disinfection technologies in the modern era, including physical, chemical, and integrated disinfection methods. It focuses on the latest research advances, advantages, and limitations of novel disinfection technologies, such as plasma-activated systems, photocatalytic oxidation, and synergistic chemical-physical or bio-chemical composite techniques. The study reveals that single disinfection methods often fail to meet the demands of complex environments, while integrated technologies demonstrate significant advantages in improving disinfection efficiency and environmental compatibility. However, challenges remain in terms of cost, standardization, and long-term safety. Future development of disinfection technologies should prioritize intelligent multi-technology integration, green and sustainable practices, targeted disinfection, personalized applications, and international standardization.