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Edible Chinese medicine is a significant part of traditional Chinese medicine. With the concept of "disease prevention", it can be used in all stages of epidemic prevention and control. This paper introduced the current status of anti-epidemic applications of edible medicines in detoxifying by heat-clearing or blood-cooling, removing dampness and turbidity, Qi and Yin tonifying, etc. In addition, new suggestions and strategies were provided for the professionals in this aera.
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Moxa smoke plays an indispensable role in traditional Chinese medicine with the functions of dispelling poison, exorcizing evil and avoiding filth, dispelling cold, etc. It has been used to prevent pestilence for thousands of years. This paper reviewed the clinical application, mechanism and existing shortcomings of moxa smoke for preventing epidemic diseases, and found that moxa smoke can effectively inhibit a variety of pathogenic bacteria, fungi and viruses that cause infectious and epidemic diseases, and has good pharmacological effects of sterilization, antiviral and immunity enhancement, and has achieved remarkable effect in disease prevention, health care and plague prevention. It is suggested that attention should be paid to the air quality of moxibustion clinics in the future, it is urgent to establish a unified sanitary air quality standard system to create a good clinic environment. At the same time, the research on the clinical safe concentration range of moxa smoke should be strengthened to effectively avoid the occurrence of adverse reactions, give full play to the efficacy of moxa smoke in eliminating pathogenic factors and preventing epidemic, so as to provide the basis for the rational application and promotion of moxa smoke.
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Objective To observe air disinfection efficacy of ultraviolet ray,ozone disinfector,and circulating air disinfector in outpatient blood collection room.Methods Air in outpatient blood collection room was disinfected by ultraviolet ray,ozone disinfector,and circulating air disinfector,air specimen was taken before and after air disinfection,as well as after 1,2,3,and 4 hour working condition of staff,efficacy of 3 disinfection methods were compared.Results Under static condition,there was no significant difference in average colony forming unit(CFU) among 3 disinfection methods(P =0.317),the average CFU in air which disinfected by ultraviolet ray and ozone disinfector increased rapidly after the entry of personnel,the number of air colony did not meet the requirements of category Ⅲ environmental sanitation standard after staff worked for 2 hours;circulating air disinfector could continuously disinfect after the entry of personnel,the average CFU met the requirement of category Ⅲ environmental sanitation standard after staff worked for 1,2,3,and 4 hours;there were significant difference in the CFU among different disinfection methods(F =211.00,P＜0.001),there were significant difference in CFU at different sampling time(F =272.95,P＜ 0.001).Conclusion Circulating air disinfector can meet the requirements of category Ⅲ environmental sanitation standard during the working condition of staff,and is suitable for air disinfection in outpatient blood collection room.
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Objective To compare the interventional operation room air disinfection effect of circulatingair disinfection method by an ultraviolet air disinfector with that of air-purifying screen disinfection method in order to provide scientific basis for formulating optimal measures to control hospital infection.Methods By using plate natural sedimentation method,air sampling was conducted at different period of time after the start of air disinfection in operation room.The air sterilization results of the two disinfection methods for the operation room where several consecutive interventional procedures had been performed were compared.Results Both disinfection methods had better preoperative air disinfection effect (P＞0.05).When ultraviolet disinfection method was used,the differences in colony detection results among the air samples that were collected at different time periods were statistically significant (P＞0.01).With the increasing of time after the start of air disinfection,the number of bacterial colonies was increased.If air-purifying screen disinfection method was employed,the air in the operation could be continuously and dynamically purified,the number of bacterial colonies determined in the whole course of operation met the national hygienic standard for air disinfection.Conclusion Continuous air purification by using air-purifying screen disinfection method can shorten the interval between consecutive surgeries,meanwhile,the operation room can be kept in a condition for any emergency surgery at anytime,besides,nosocomialtion can be effectively prevented.
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Objective To compare disinfection efficacy of three different air disinfection methods on the air in blood collection room.Methods Air disinfection in blood collection room was conducted by ultraviolet (UV)light, ozone disinfector (OD)and air purification disinfector respectively ,natural sedimentation method was used to take air specimens before ,after disinfection ,and during working condition of staff ,air disinfection efficacy was detec-ted.Results All three methods could decrease air bacterial count after disinfection ,the total number of bacteria in indoor air after disinfection met the class Ⅲ environmental requirement.Under working condition of staff ,the num-ber of bacteria of OD and UV light group increased rapidly,at 4 hours was (7.53±1.28)CFU/5 min·Φ90petri dish and (8.16±1.57)CFU/5 min·Φ90petri dish respectively;air purification disinfector disinfected for 4 hours under the condition of movement of personnel in blood collection environment,bacteria count still remained <4.0 CFU/5 min·Φ90petri dish.Conclusion Disinfecting continuously by air purification disinfector can ensure the effectiveness of air cleanliness in blood collection room.
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0.05,respectively).The effect of test groups on the bacteria and fungi compared with that of control groups in dynamically monitoring showed significance(P
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OBJECTIVE To observe the efficacy of lemon eucalyptus oil on disinfection of indoor air.METHODS Fumigating method and air sampling method were used to evaluate the disinfection efficacy.Ultraviolet disinfection method was used as control.RESULTS Aerosol spraying disinfection with the lemon eucalyptus oil at a dosage of 10 ml/m3 followed by closing the room for 30 min can killed 95.4% of the natural bacteria of indoor air.Irradiation by 30 W ultraviolet lamp for 30 min under same conditions killed 89.7% of the natural bacteria of indoor air.CONCLUSIONS The efficacy of the lemon eucalyptus oil disinfectant at 10ml/m3 concentration in killing natural bacteria in indoor air fulfils the requirement of eligible disinfection and is better than the disinfection efficacy of ultraviolet irradiation.
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OBJECTIVE To observe the sterilization effect of nanophotocatalytic air disinfector(NPD) on the indoor air of emergency room.METHODS Under the static and active circumstances,the on the-spot sterilization was adopted and observed.RESULTS In the static circumstances,after the machine had properly functioned over 60 minutes,the elimination rate of natural bacteria in debridement room and dressing change area reached 100.00% and 90.44%,respectively;in the active,after the machine had properly functioned over 60 minutes,the elimination rate of natural bacteria in debridement room and dressing change area reached 95.99% and 86.68%,respectively.The bacteria amount in the air decreased as the sterilization time was extended.CONCLUSIONS The NPD has good sterilization effect on indoor air.It can be adopted for the air sterilization in the emergency room under active circumstances.
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3.00 and exposed to the solution containing 1500 mg/L peracetic acid for 30 min could completely killing the spores.Aerosol spraying with solution containing 1000 mg/L peracetic acid at a dose of 10 ml/m3 for 30 min caused over 90.0% decay rate of natural bacteria in indoor air.CONCLUSIONS Weikangshi peracetic acid has good stability and its germicidal efficacy is not affected.
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OBJECTIVE To analyze the effect of nanometer light catalysis decontamination machine on air disinfection in the hyperbaric oxygen(HBO) chamber in the hospital.METHODS The nanometer light catalysis decontamination machine was used to disinfect the HBO chamber air at the time of thirty minutes after patients leaving the chamber when the HBO therapy was finished,then the amount of bacteria in the air was monitored before and 1,2 and 3 hours after disinfection,respectively.RESULTS After disinfection using nanometer light catalysis decontamination machine,the amount of bacteria in the chamber air decreased from 764-1989 CFU/m3 before disinfection to 31-268 CFU/m3.The mean ratio of natural bacteria dissolution was more than 80%.CONCLUSIONS Using nanometer light catalysis decontamination machine is a safe and effective method for air disinfection in the HBO chamber.
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OBJECTIVE To observe the disinfection efficacy of nano-light catalytic air disinfector(Jian Bai Le disinfector) in ophthalmic outpatients operating room.METHODS The efficacy of disinfection of the disinfector in the operating room without and with staff was detected respectively.This efficacy of disinfection was compared with that of ultraviolet ray.RESULTS The average eliminated rate of natural bacteria in the air was 88.9% vs 89.7%,and the average bacterial colony number was 63.9 vs 75.0 CFU/m3,respectively,after disinfection by the disinfector or by ultraviolet ray without staff.When the device worked continuously with staff,Their average bacterial colony number was 26.6,92.2,150.0 and 155.3 CFU/m3,vs 150.2,166.7,355.1 and 738.4CFU/m3 in the period of 30,60,120 and 180 minutes after operation,respectively.CONCLUSIONS The bactericidal efficacy of disinfector is distinctly better than that of ultraviolet ray lamp.
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OBJECTIVE To find out the clinic air disinfectant effect and the damage to human body between air aerosol sprayer of hydrogen peroxide and peracetic acid. METHODS New ninety eight sickrooms were randomly disported into two groups. The group of using peracetic acid was a control one. Then the clinic air disinfectant effect and the damage between two groups were observed. RESULTS After thirty minutes, to sample through flat exposure method. The total number of bacteria of two groups reached the third grade of environment eligible standard without pathogenic bacteria being checked. Hydrogen peroxide had not obvious mucous membrane stimulation and hypersusceptible reaction to human body. But peracetic acid had mucous membrane stimulation and hypersusceptible reaction to human body. CONCLUSIONS The air disinfection using aerosol sprayer is still an available method when there are no person in new sickrooms or extended sickrooms. At present, some chemical disinfectant methods that have strong poisonous reactions and pollute environment, such as peracetic acid, have been restricted to be used because of thrill, toxicity to human body and causticity to goods. But the method of dynamic air disinfectant machine that can be used in the situation of ventilation, dust catching, decontaminating, and ultraviolet irradiation, at the same time having someone has became a new idea of air disinfection.
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OBJECTIVE To investigate and analyze the bacteria on the nurse mask in ICU ward and its air effects disinfection.METHODS Sixty masks were examined for the bacteria numbers,germiculture and drug resistance.The bacteria numbers on the mask were recorded in 2,4,6 and 8 h with or without air disinfection,and the numbers of air bacteria were also estimated before and after air disinfection 2,4,6 and 8 h.The kinds and drug resistance of bacteria in the sputum of patients were recorded during the examining time.RESULTS The meticillin-resistant Staphylococcus(MRS,90.6%) and the Escherichia coli(ECO,9.4%) were the major bacteria on the mask.The numbers of bacteria on the mask at 2,4,6 and 8 h with air disinfection were 1.2?1.5,3.4 ?2.8,4.2?3.4 and 5.3?3.6 CFU/cm2,respectively.The numbers of bacteria on the air before air disinfection were 1264?314 CFU/m3 and after air disinfection 2,4,6 and 8 h were 917?213,790?176,676?179 and 483?167 CFU/m3,respectively.The numbers of bacteria on the mask and on the ward air were decreased obviously after the air disinfection comparing without disinfection.MRS was found in 26.7% patients sputum,and had the same drug-resistance spectrum as the bacteria on the mask.CONCLUSIONS MRS and ECO may be infected through air,and the effective air disinfection could reduce the numbers of bacteria on the air,and decrease the possibility of intercross infection.
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OBJECTIVE To evaluate the effect of air disinfection methods to improve air quality in dental clinic.METHODS Electrostatic attraction method was used to disinfect air in dental clinic.Air samples here collected before,during and after daily and treatments compared.Bacterial colonies were counted. The air effect of disinfection was compared with undisinfected control group in terms of total number of germs.RESULTS Bacterial count of disinfected group was lower than that of undisinfected group(P
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OBJECTIVE To seek the effective dynamic air disinfector for hospitals,and investigate the effects of JBL nano-meter dynamic air disinfector.METHODS Choosing four different hospitals,using JBL nano-meter dynamic air disinfector device to collect,compare and analyze the data under a human being movement environment or a vacant environment on the basis of the air sampling method taken from Hospital Disinfection Technology Standard(in 2002 edition) issued by the Ministry of Health.RESULTS When all four hospitals using JBL nano-meter dynamic air disinfectors,the average air bacterium-killing rate in a human being movement environment reached 80.35%,which was obviously better than other similar devices.CONCLUSIONS JBL nano-meter dynamic air disinfector not only has very good function of removing the unusual odors,but has excellent active air disinfection effect.Meanwhile,the device can be installed conveniently.It is regarded as one of the best hospital air disinfection devices.
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OBJECTIVE To study air disinfection methods in unremitting operating room,we compared effect of using trioxide disinfector(used in operating room "A") with YKX/G100-type medical air disinfection and purification machine(used in operating room "B") in disinfecting air inside unremitting operating room.METHODS To observe the killing effect on air natural bacteria of the two methods,we used natural sedimentation monitoring the different stages sampling before and after sterilization and at the beginning stage of the unremitting operation.RESULTS Both the two methods could achieve the air natural bacteria eradication rate above 85%.The air bacteria colony number obviously upgraded after the beginning of unremitting operation in operating rooms "A";but in operating rooms "B",the number fell-off slowly.CONCLUSIONS The medical air disinfection and purification machine can shorten the interval of operations,it is the better approach of continuous air disinfection in solving the unremitting operating room with personnel existence.
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OBJECTIVE To analysis the effect of air disinfection by using nanometer light catalysis decontamination machine in operating room. METHODS By compare the effectiveness of air disinfection both by using nanometer light catalysis decontamination machine and ultraviolet rays light. RESULTS The result of tests is 0 CFU/m~2 by nanometer light catalysis decontamination machine and 33.3 CFU/m~2 by ultraviolet rays light in unmanned environment;By different groups: F=220.423,P=0.000,P
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This paper is to study the applicability of the air disinfection equipment in general hospital. With the method of plate exposure adopted, five or three sample points are selected. The sample, culture and classification of bacteria are performed 30mins, 60mins, 120mins and 180mins before and after the equipment is turned on, and then the values of cfu/m3 are worked out respectively. The result shows that different departments should adopt different disinfection equipments according their characteristics and functions to meet the requirements of ″Disinfection Technology Specification″. Through this research and corresponding regulation, the management of air disinfection in our hospital is improved.
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Objective: To inspect dynamically the air-microorganism in important hospital departments. Methods: Plate sedimentation was used for examination. Results: The average rate of reaching standard is 93.01% for the important hospital departments from 2001 to 2004.The rates of reaching standard for region Ⅰ,Ⅱ and Ⅲof the hospital were 76.89%,90.14% and 97.03%,respectively. Conclusion: The content of air-microorganism is affected by personnel flow,airy condition,season and disinfection measure.
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The research work on air purification and disinfection in air defence fortifications was carried out. The air purification method could reduce bacteria, fungi, CO2 concentration and odor in the air. It might increase the clean degree of the air from Degree HI to Degree Ⅱ in the operation room. Efficiency of ZSH/W type ultraviolet lamp for air disinfection was better than that of other ultraviolet lamp. The ozone produced was also less. Its bactericidal rate was 71.7%-82.7%. When Type 88 disinfectant was used for air disinfection in wards. operation room, X-ray room and office, its bactericidal rate was 99%, and fungicidal rate was 86%. All of these methods were very effective for indoor air purification and idsinfection.