1.Study of the effect of ECRS management combined with risk assessment on reducing the incidence of multidrug-resistant bacteria infections in mechanical ventilation
Hui LI ; Lihua TANG ; Min WANG ; Honghua SONG ; Na SONG ; Kepeng YAN
China Medical Equipment 2025;22(2):99-103
Objective:To investigate the effect of elimination,combination,rearrangement and simplification(ECRS)management combined with risk assessment on reducing the incidence of multidrug-resistant bacteria infections of patients who received mechanical ventilation in intensive care unit(ICU).Methods:The management mode of prevention and control for multidrug-resistant bacteria infections of patients in ICU was optimized on the basis of ECRS management combined with risk assessment.A total of 600 patients who received mechanical ventilation in ICU of Jiuquan Hospital of Shanghai General Hospital(Jiuquan People's Hospital)from January 2022 to December 2023 were selected.According to different management methods,these patients were divided into a control group and an observation group,with 300 cases in each group.The control group was managed by using the risk assessment management method,while the observation group was managed by using the ECRS management on the basis of risk assessment management method.The indicators of respiratory function,patients'satisfaction score,stay time in ICU,time of mechanical ventilation and incidence of multidrug-resistant bacteria were compared between the two groups.Results:The mean value of the ratio of forced expiratory volume in one second(FEV1)to forced vital capacity(FVC)(FEV1/FVC),and the FEV1 level in observation group by using ECRS management combined with risk assessment method were respectively(78.69±4.65)%and(1.58±0.24)L,both of which were higher than those of control group,and the differences of them between two groups were statistically significant(t=16.483,11.742,P<0.05).The average scores of work efficiency,emergency response capability,professional ethics,isolation and resettlement,and overall patients'satisfaction in the observation group were respectively(23.12±1.20),(23.34±1.08),(23.65±1.10),(23.80±1.05)and(92.24±4.37),all of which were higher than those in the control group,and the differences of them between two groups were statistically significant(t=22.176,27.903,22.373,31.364,13.963,P<0.05).The average ICU stay time and the average time of mechanical ventilation were respectively(14.15±1.60)and(9.15±2.13)days in the observation group,both of which were lower than those in the control group,and the differences of them between two groups were statistically significant(t=16.872,15.410,P<0.05).The incidence of multidrug-resistant bacteria was 0.33%in 300 patients of the observation group,which was lower than that of the control group,with a statistically significant difference(x2=4.561,P<0.05).Conclusion:The application of ECRS management combined with risk assessment in the management of ICU for patients who receive mechanical ventilation can protect respiratory function of patients,and decrease the risk of occurring the infection of multidrug-resistant bacteria,and reduce ICU stay time and the time of mechanical ventilation of patients,and improve patients'satisfaction.
2.Exploration for the value of CT-3D imaging technique in assessing SAD of asthma
Yanmeng CHEN ; Kaizhen PENG ; Jingwei SUN
China Medical Equipment 2025;22(4):48-52
Objective:To explore the clinical value of computed tomography-three-dimensional(CT-3D)imaging technique in assessing small airway disease(SAD)in children with asthma.Methods:A total of 104 pediatric patients with suspected SAD,who admitted to our hospital from September 2021 to August 2024,were selected,and they were divided into lesion group(48 cases,with obstruction in small airway)and control group(56 cases,lung function without abnormality)according to the results of test for pulmonary function.Both two groups underwent test for lung function and respiratory biphasic CT scan,and the manifestations of high resolution CT(HRCT)image were observed.The correlation between the SAD and the relative indicators of determining ventilation function of lung,which included maximum mid-expiratory flow(MMEF25-75%),forced expiratory flow at 75%vital capacity(FEF75%),forced expiratory flow at 50%vital capacity(FEF 50%),forced expiratory flow at 25%vital capacity(FEF25%)and forced expiratory volume at the first second(FEV1),was analyzed.Results:The MMEF25-75%,FEF75%,FEF50%,FEF25%and FEV1 in the lesion group were significantly lower than those of the control group(t=8.735,12.757,9.724,13.928,10.303,P<0.05).The incidences of bronchial wall thickening,air retention,Mosaic sign and bronchiole obstruction of HRCT signs of the lesion group were significantly higher than those of the control group(x2=10.715,6.119,6.330,6.587,P<0.05).Bronchial wall thickening significantly correlated with MMEF25-75%,FEF75%,FEF50%,FEF25%and FEV1(r=-0.360,-0.379,-0.374,-0.367,-0.268,P<0.001),respectively,and the correlation between it and FEF75%was extremely strong.Air retention significantly correlated with FEF75%and FEV1(r=-0.249,-0.240,P<0.05),respectively.The Mosaic sign significantly correlated with MMEF25-75%,FEF75%and FEV1(r=-0.236,-0.245,0.257,P<0.05),respectively.Bronchial obstruction significantly correlated with MMEF25-75%,FEF75%,FEF50%and FEV1(r=-0.248,-0.271,-0.253,-0.275,P<0.05),respectively.The incidence of asthma in the lesion group was significantly higher than that in the control group(x2=36.783,P<0.05).Conclusion:The incidence of bronchiolar wall thickening,air retention,Mosaic sign and bronchiolar obstruction of HRCT signs significantly increase in SAD children.They highly correlated with the indicators of ventilation function of lung,especially FEF75%and FEV1,which can reflect the function of small airway at a certain extent.They have great value for identifying early SAD.The application of CT-3D imaging technique in SAD children has a certain of predictive value for the occurrence of asthma.
3.Analysis on the value of HE4 combined with 2D ultrasound for vagina in diagnosing the pathological classification of ovarian cancer and predicting its prognosis
Wenjuan ZHANG ; Wanli WANG ; Yinhuan LI ; Yuan ZHAO ; Lixia WEI
China Medical Equipment 2025;22(4):74-78
Objective:To investigate the value of human epididymal protein 4(HE4)combined with two-dimensional(2D)ultrasound for vagina in diagnosing the pathological classification of ovarian cancer and predicting its prognosis.Methods:The clinical data of a total of 100 patients with ovarian cancer who admitted to Hengshui Maternal and Child Health Care Hospital and Hengshui People's Hospital from April 2018 to July 2023 were retrospectively analyzed,including 98 cases with epithelial ovarian cancer and 2 cases with non-epithelial ovarian cancer.The fasting venous blood pre operation of patients was extracted in morning.The serum HE4 level was detected by enzyme-linked immunosorbent assay(ELISA).The 2D ultrasound examination was performed one week before surgery to measure the resistance index(RI),pulse index(PI),peak systolic flow velocity(PSV)and end-diastolic flow velocity(EDV)of ovarian artery.All patients were followed up immediately after they completed the last chemotherapy.All of patients were divided into a death group(n=27)and a survival group(n=73)according to their survival situation.Cox regression risk model was used to analyze prognostic influence factors of patients with ovarian cancer.Results:The serum HE4 level[449.37(28.57,2 382.24)]pmol/L in patients with epithelial ovarian cancer was significantly higher than that[55.38(17.33,79.64)]pmol/L in patients with non-epithelial ovarian cancer(U=24.752,P<0.05).The RI,PSV and PI of ultrasonic parameters of patients with epithelial ovarian cancer were higher than those of patients with non-epithelial ovarian cancer(t=3.640,2.152,2.588,P<0.05),respectively.The area under curve(AUC)of the receiver operating characteristic(ROC)curve of HE4 combined with 2D ultrasound for vagina was 0.936(95%CI:0.821-1.000)in identifying epithelial and non-epithelial ovarian cancer,which was larger than that of alone each examination.The ratio of the age≥60 years old,the ratio of the III-IV staging of Federation International of Gynecology and Obstetrics(FIGO),and the ratio of existing surrounding infiltration in the death group were all higher than those in the survival group,and the serum HE4 level[528.75(34.79,1 932.43)]pmol/L was higher than that[138.23(21.49,872.59)]pmol/L of the survival group,and the difference was significant(U=25.963,P<0.05).The PSV and EDV values of the death group were all larger than those of the survival group(t=10.844,17.744,P<0.05),and the RI and PI were all less than those of the survival group(t=19.085,13.099,P<0.05).FIGO Ⅲ-Ⅳ staging,surrounding infiltration,HE4 level≥398.74 pmol/L,RI<0.31,PI<0.54,PSV≥26.12 cm/s,EDV≥16.47 cm/s were all risk factors for the prognosis of patients with ovarian cancer(HR=2.682,2.347,2.296,2.518,2.235,2.124,1.958,P<0.05).Conclusion:HE4 combined with 2D ultrasound for vagina can improve the diagnostic accuracy of pathological classification for ovarian cancer,and can be used as an important tool to predict the prognosis of patients with ovarian cancer.
4.The effect and bleeding correlation analysis of ultrasound bone knife combined with high-speed gas turbine method in mandibular impacted third molar extraction surgery
Lin SHEN ; Na ZHAO ; Tingting WANG ; Fang ZHANG ; Ming WANG
China Medical Equipment 2025;22(4):79-83
Objective:To explore the effect of ultrasound bone knife combined with high-speed gas turbine method in mandibular impacted third molar extraction surgery,and conduct relevant analysis for bleeding situation.Methods:A total of 152 patients who underwent mandibular impacted third molar extraction surgery at Beijing First Hospital of Integrated Traditional Chinese and Western Medicine from April 2023 to April 2024 were retrospectively selected.They were divided into an observation group and a control group based on the different types of used instruments during the operation,with 76 cases in each group.The observation group used ultrasound bone knife combined with high-speed gas turbine method,while the control group only used high-speed gas turbine.The general information,incidence of intraoperative complications,surgical time,visual analogue scale(VAS)for pain assessment,degree of alveolar damage,patient's satisfaction,the number of patients with postoperative complications,intraoperative bleeding volume,postoperative bleeding time,and hemostatic effect were compared between two groups.Results:The incidence of complications included loosening of adjacent tooth,fracture or displacement of adjacent tooth,root fracture,and fracture of lingual bone plate in the observation group was 11.84%,which was lower than 23.68%in the control group,and the difference was statistically significant(x2=3.958,P<0.05).Both the surgical time and VAS score of the observation group were lower than those of the control group(t=-7.875,-3.222,P<0.05),and the degree of alveolar damage and the number of patients with postoperative complications in the observation group were significantly lower than those in the control group,with statistically significant differences(t=-6.500,x2=4.417,P<0.05).The average score of patients'treatment satisfaction in the observation group was significantly higher than that in the control group(t=4.242,P<0.05).Both the intraoperatively blooding loss and the time of postoperative bleeding in the observation group were significantly lower than those in the control group(t=-3.636,-9.191,P<0.001),and the score of hemostasis effect in the observation group was also better than that in the control group(t=11.744,P<0.001).Conclusion:The effect of ultrasound bone knife combined with high-speed gas turbine method is better for mandibular impacted third molar extraction surgery,which performance is better in the amount of intraoperative bleeding loss,the time of postoperative bleeding,and hemostatic effect.
5.Responding to public health emergencies based on a deployment management mode for life-supporting equipment
Wen YANG ; Qiwen XIANG ; Lu ZENG ; Siqi LI ; Jingjing AN
China Medical Equipment 2025;22(4):95-99
Objective:To establish a deployment management mode for life-supporting equipment,so as to provide reference for healthcare institutions in deployment management for equipment in responding public health emergencies.Methods:The existed problems of healthcare institutions in facing public health emergencies were analyzed.Based on evidence-based practices from domestic and international healthcare institutions in responding public health emergencies,and combined with the experiences of West China Hospital of Sichuan University in preventing and treating epidemic infection of public health emergencies,a scheme of deployment management of life-supporting equipment,and an assessment scheme that precisely matched mode and equipment for supporting respiratory were formulated.The ventilator-related medical consumables was standardly managed.A deployment management mode for life-supporting equipment was constructed to conduct deployment management for the using 293 non-invasive ventilators and 112 high-flow non-invasive respiratory humidification devices in our hospital from December 26,2022,to January 20,2023.Results:During the period of deployment management for 293 non-invasive ventilators,a total of 7492 prescriptions of non-invasive ventilation were completed,and 3183 prescriptions of non-invasive(high-follow)ventilation of using 112 high-flow non-invasive respiratory humidification devices were completed at the same period,which better ensured the requirements of all patients in clinical treatment.The average turnaround time of equipment was shorted from 22.5 min before deployment management mode was implemented to 12.6 min after it was implemented.The accuracy rate of healthcare personnel was 100%in preparing medical consumables.Conclusion:The deployment management mode of life-supporting equipment can increase the use rate of limited life-supporting equipment at the maximum degree,and increase the turnover efficiency of equipment,and decrease turnover time and vacancy rate of equipment,and increase the accuracy rate of preparing medical consumables,and meet the requirement of clinical treatment under the premise of"overall deployment and coordinated management".
6.Construction and value of personalized service platform based on IoTs technique of medical equipment for rehabilitation information
Qingsong NIU ; Huahui LYU ; Zhun DU ; Chunsheng DU ; Deyu KONG ; Jige DONG
China Medical Equipment 2025;22(4):111-116
Objective:To construct a personalized service platform based on Internet of Things technique of medical equipment for rehabilitation information,so as to analyze the application effect of that in the management for rehabilitation information of patients.Methods:Based on the Internet of Things technique of medical equipment,a personalized service platform was constructed to conduct intelligent management for rehabilitation information of patients through sensor technique,wireless communication technique and big data analysis technique.A total of 112 patients who received treatment in the department of rehabilitation medicine of Dushan Hospital,Nanyang City Hospital of Traditional Chinese Medicine from February to December 2023 were selected,and they were divided into control group which adopted conventional platform to manage rehabilitation information,and observation group which adopted personalized service platform based on IoTs technique of medical equipment for rehabilitation information to manage rehabilitation information,with 56 cases in each group.A self-made questionnaire was used to investigate the satisfaction of patients of two groups for the service platform of rehabilitation information,and the acceptance scores of maintainers for platform,relevant operators,doctors and nurses for different service platform.The service efficiency and success of rehabilitation treatment of different service platforms were compared.Results:53 patients satisfied for the service platform of rehabilitation information(94.64%)in the observation group,which was higher than that in the control group,and the difference was statistically significant(x2=13.187,P<0.05).The scores of convenience,flexibility and continuity of patients of observation group were respectively(94.74±3.36),(94.57±4.12)and(93.65±4.02)for the platform,which were higher than those of control group,and the differences were statistically significant(t=14.279,13.604,13.553,P<0.05).The acceptance scores of maintainers for platform,relevant operators,doctors and nurses were respectively(91.69±2.11),(94.52±3.65),(93.87±4.58)and(94.74±3.36)for the personalized service platform for rehabilitation information of the observation group,which were higher than those in the control group,and the differences were statistically significant(t=15.280,13.236,12.373,14.279,P<0.05).The waiting time,appointment time and treatment cycle of patients in observation group were respectively(4.65±2.01)min,(3.21±1.03)d and(13.02±1.02)months,which were shorter than those of control group,and the differences were statistically significant(t=9.768,11.401,12.300,P<0.05).Conclusion:The personalized service platform based on the IoTs technique of medical equipment for rehabilitation information can take doctors to timely adjust rehabilitation programs by combining the dynamic changes of patients'information,and formulate targeted rehabilitation guidance,and provide effective rehabilitation treatment for patients,and reduce waiting time of patient,and shorten the rehabilitation cycle.
7.Design research on a novel medical detection device for hospital infection prevention and control based on quality function deployment
Shirui LIU ; Zhegong PENG ; Bende LIU ; Lian QI
China Medical Equipment 2025;22(4):143-149
Objective:To design and optimize a novel medical detection device of prevention and control for nosocomial infection based on quality function deployment(QFD),so as to enhance the safety and prevention efficiency of medical test.Methods:The design requirements of the device of prevention and control for nosocomial infection were systematically analyzed through QFD method.The requirements of users were integrated and converted into special technical characteristics.And then,the novel medical detection device of prevention and control for nosocomial infection based on QFD was designed.Laboratory testing,simulated clinical testing,and a small-scale clinical trial involved 50 patients from Union Hospital,Tongji Medical College,Huazhong University of Science and Technology were adopted to assess the convenience of operation,and reliability and safety of the results of this device in clinical work.Results:A closed detection device that integrated processing sample,reaction detection and pathogen inactivation was designed,which could reduce operational risks and improve detection efficiency.The sensitivity and specificity of the detection of this device were respectively 97.5%and 95.2%in test of laboratory,and error of repeatability was less than±1.5%.The test time of that was shortened from 30 min of test by conventional equipment to 21 min.The accuracy rate of that in testing 50 patients of clinical trial was 96.8%,and average testing time of each case was 3.5 minutes.Conclusion:The novel medical detection device of prevention and control for nosocomial infection that is designed and optimized by QFD method can effectively enhance the safety and efficiency of medical test,and reduce biosafety risks during operations process.It can provide important theoretical support for the design of medical test device in prevention and control for nosocomial infection.
8.Study on the comprehensive evaluation method for operational benefits of large-scale medical equipment through constructing comprehensive evaluation model
Yi PENG ; Jiao MA ; Min JIAO ; Hongzi WU
China Medical Equipment 2025;22(2):126-131
Objective:To study a comprehensive evaluation method for the operational benefits of large-scale medical equipment that can construct comprehensive evaluation model,in order to improve the operational efficiency of equipment.Methods:An index system of comprehensive evaluation for the operational efficiency of large-scale medical equipment was established.Rough set theory and analytic hierarchy process were used to calculate the weight of the comprehensive evaluation index for operational efficiency.Grey comprehensive evaluation method combined with the weight of indicator was used to construct comprehensively evaluation model of the operational efficiency of large-scale medical equipment,so as to conduct comprehensive evaluation for operational efficiency from 6 aspects included medical quality,equipment efficiency,scientific research and teaching,equipment procurement,equipment use,and maintenance.A total of 12 using large medical equipment in the clinical practice of People's Hospital of Xinjiang Uygur Autonomous Region from January 2022 to December 2023 were selected.The changes of yield rate of monthly investment of large-scale medical equipment in the department were compared between before and after the application of the comprehensive evaluation method based on the comprehensive evaluation model for the operational efficiency of large-scale medical equipment.A self-made questionnaire survey was adopted to investigate the satisfaction ratings of leaders and department heads for this method in hospital,and the"scores>6"was considered as higher satisfaction.Results:After the comprehensive evaluation method based on the comprehensive evaluation model for operational efficiency of large-scale medical equipment was applied,the yield rate of averagely monthly investment of large-scale medical equipment increased from 4.364%to 8.688%within each department.The satisfaction score of leaders of hospital was the highest(10 points)in terms of the promotion of equipment,while department heads had the highest satisfaction scores in terms of practicality and accuracy,and both of them were at 10 points.Conclusion:The comprehensive evaluation method based on the comprehensive evaluation model for the operational efficiency of large-scale medical equipment can accurately evaluate the quality and efficiency of the operation of equipment,and find the potential problems and improvement directions,and improve the yield rate of investment for large-scale medical equipment,and enhance the satisfaction of users.
9.Research on classification management model based on Karajek matrix for ECG monitoring equipment in emergency ICU
Xi TANG ; Ting ZENG ; Wangsheng DENG ; Yanhua DU ; Ao LIU ; Yuquan DENG ; Jinfeng MENG ; Xiaogui QI ; Lili WU ; Wanrong ZHU
China Medical Equipment 2025;22(2):132-137
Objective:To construct a classification management model on the basis of Kraljic matrix for electrocardiogram(ECG)monitoring equipment in emergency intensive care unit(ICU),so as to explore its application value in the management for ECG monitoring equipment in emergency ICU.Methods:The classification management model on the basis of index for ECG monitoring equipment in emergency ICU was constructed.According to two classification dimensions included the market supply risk and the self-value,an indicator system of classification management,which aimed at strategic materials with high value and high risk,leverage materials with high value and low risk,bottleneck materials with low value and high risk,and conventional materials with low value and low risk,was constructed.A total of fifty-one ECG monitoring equipment in the emergency ICU of The People's Hospital of Longhua of Shenzhen from January to December 2023 were selected,and they were managed respectively by conventional management mode(25 sets)and classification management mode(26 sets)according to different management modes.The standardization level of operation management for equipment,the occurrence of safety risk and the level of management for equipment of the two management modes were compared,and the satisfaction of 30 relative personnel,who used and managed these equipment,for classification management of equipment also were compared.Results:The average values of the percentage of standardization level of normality of equipment operation,disinfection and sterilization,maintenance and fault repair of using classification management mode were respectively(91.58±4.33)%,(92.1±3.28)%,(91.49±3.54)%and(92.58±3.32)%,all of which were higher than those of conventional management mode,and the differences were statistically significant(t=12.537,15.706,14.196,18.946,P<0.05),repsectively.The average incidences of the risk of pressure injury,electrical injury and body fluid extravasation of adopting classification management mode were respectively(2.54±0.87)%,(3.02±0.82)%and(1.29±0.65)%,all of which were lower than those of adopting conventional management mode,and the differences were statistically significant(t=22.825,17.453,24.424,P<0.05),respectively.The satisfaction scores of 30 relative management personnel,who used equipment on the process rationality,system standardization and quality effectiveness,of adopting classification management mode were respectively(94.26±3.54),(92.57±4.36)and(91.87±3.69),all of which were higher than those of conventional management mode,and the differences were statistically significant(t=14.052,13.991,13.551,P<0.05),respectively.The reasonable placement rate,recording rate of standardization,and intact rate of equipment in the 26 equipment by adopting classification management mode were respectively 92.31%,92.31%and 88.46%,all of which were significantly higher than those by adopting conventional management mode,and the differences were statistical significant(x2=12.052,10.398,11.338,P<0.05).Conclusion:The classification management model of ECG monitoring equipment in emergency ICU can increase the management efficiency for the equipment in operating room of hospital,and improve the operation quality of equipment,and enhance the safety of equipment in clinical use,and the standardization of operation management for equipment.
10.Structure of integrated network image printing system and the maintenance for its common faults
Zongxin FAN ; Yanqing CHEN ; Lei ZHONG ; Guangjun LI
China Medical Equipment 2025;22(2):165-169
The integrated network image printing system can realize rapid transmission and printing for image data,and significantly enhance printing efficiency,which has been a main trend in future development of printing system.In addition,the integrated network image printing system can provide more precise and efficient solution for printing tasks that need process medical imaging,professional photographs or other high-quality images.This study strengthened the process technique on the basis of image denoising and contrast with wavelet transform,which improved the existing integrated network image printing system and tested the improved system.The result indicated that this system can effectively improve image quality.This study summarized the cases of maintaining failure in the application of this system,which target was to provide references for the application of the integrated network image printing systems.

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