1.Analysis of the demands for pharmaceutical clinic service and influential factors based on Kano model
Han SHAN ; Xuan YE ; Zihan GUO ; Jing WU ; Jinwei HU ; Xiaopei TONG ; Yufei BIN ; Jiyong LIU ; Qiong DU ; Mengmeng WANG
China Pharmacy 2025;36(22):2850-2855
OBJECTIVE To explore the characteristics and influential factors of pharmaceutical clinic service demands, providing evidence for optimizing pharmaceutical service models and facilitating pharmaceutical service models of pharmacist role transformation. METHODS A cross-sectional survey design was adopted, and 410 outpatient participants were selected from Fudan University Shanghai Cancer Center through convenience sampling for questionnaire administration from February to May 2025. Kano model was applied to analyze the demand attributes of 25 pharmaceutical services, while questionnaires were used to assess patients’ awareness and demand status. Subgroup analyses were conducted based on key demographic variables such as gender, age, educational attainment, and economic burdens, to SACA- systematically examine the differences in Kano attribute classification among patients in each subgroup. RESULTS The awareness rate of pharmaceutical outpatient services among patients was only 14.63%, yet those who were aware demonstrated a significantly higher demand rate for such services compared to those who were unaware (P<0.001). The demand for pharmaceutical clinic services exhibited a hierarchical characteristic: twelve items were identified as attractive attributes (e. g., providing suggestions for more affordable treatment options, offering online consultation services, etc.), five items as expected attributes (e.g., having a good attitude and being able to patiently answer your questions, etc.), three items as must-have attributes (e.g., providing guidance on medication dosage and usage, providing guidance on medication precautions, etc.), five items as indifferent attributes (e.g., providing treatment plan recommendations based on the patient’s condition). There were zero items classified as reverse attribute. Subgroup analysis revealed that female patients showed greater concern for “neat and clean attire of medical staff” than male patients (P<0.001); patients under 60 years of age demonstrated stronger demand for “providing treatment plan recommendations based on patients’ conditions” compared to patients aged 60 or above (P=0.016); those with below high school education placed greater emphasis on “providing guidance on medication precautions” compared to those with a high school education or above (P=0.011); patients with lower economic burdens exhibited stronger preferences for “neat and clean attire of medical staff ” (P=0.002). CONCLUSIONS The public awareness rate of pharmaceutical clinic services is considerably low; however, those who are aware of such services demonstrate significantly higher demand. The medication safety-related services and convenience-oriented demands should be prioritized in the development of pharmaceutical clinics. Moreover, the study also revealed that factors such as gender, age, educational level, and economic burdens exert significant influences on patients’ service demands.
2.Methodology for the Development of Clinical Practice Guidelines for Chinese Patent Medicine(Part 5): Retrieval and Synthesis of Key Information on Rational Drug Use
Ziteng HU ; Ning LIANG ; Lijiao YAN ; Yujing ZHANG ; Fuqiang ZHANG ; Yaxin CHEN ; Bin LIU ; Qianzi CHE ; Yixiang LI ; Jing GUO ; Nannan SHI ; Yanping WANG
Journal of Traditional Chinese Medicine 2024;65(2):167-171
Recommendations for Chinese patent medicine (CPM) based on key information on rational drug use are one of the important conditions for enhancing guideline enforceability as well as facilitating guideline implementation. In this study, we discussed in detail of the key information on the rational use of CPM in five aspects, which are dosage, drug discontinuation, drug-drug and drug-food interactions, safety and economy. Following the process of multi-source search, synthesis and prioritization, it is suggested to collect key information on the rational use of CPM from a multi-source search of drug instructions, policy documents, literature, and clinical experts' experiences. Then the searched information should be summarized and prioritized with the principle that taking drug instructions as the basis and other-sources information for check and supplementation. Finally, methodological recommendations for the retrieval and synthesis of key information on rational drug use in guideline recommendations has been formed.
3.Clinical trial of brexpiprazole in the treatment of adults with acute schizophrenia
Shu-Zhe ZHOU ; Liang LI ; Dong YANG ; Jin-Guo ZHAI ; Tao JIANG ; Yu-Zhong SHI ; Bin WU ; Xiang-Ping WU ; Ke-Qing LI ; Tie-Bang LIU ; Jie LI ; Shi-You TANG ; Li-Li WANG ; Xue-Yi WANG ; Yun-Long TAN ; Qi LIU ; Uki MOTOMICHI ; Ming-Ji XIAN ; Hong-Yan ZHANG
The Chinese Journal of Clinical Pharmacology 2024;40(5):654-658
Objective To evaluate the efficacy and safety of brexpiprazole in treating acute schizophrenia.Methods Patients with schizophrenia were randomly divided into treatment group and control group.The treatment group was given brexpiprozole 2-4 mg·d-1 orally and the control group was given aripiprazole 10-20 mg·d-1orally,both were treated for 6 weeks.Clinical efficacy of the two groups,the response rate at endpoint,the changes from baseline to endpoint of Positive and Negative Syndrome Scale(PANSS),Clinical Global Impression-Improvement(CGI-S),Personal and Social Performance scale(PSP),PANSS Positive syndrome subscale,PANSS negative syndrome subscale were compared.The incidence of treatment-related adverse events in two groups were compared.Results There were 184 patients in treatment group and 186 patients in control group.After treatment,the response rates of treatment group and control group were 79.50%(140 cases/184 cases)and 82.40%(150 cases/186 cases),the scores of CGI-I of treatment group and control group were(2.00±1.20)and(1.90±1.01),with no significant difference(all P>0.05).From baseline to Week 6,the mean change of PANSS total score wese(-30.70±16.96)points in treatment group and(-32.20±17.00)points in control group,with no significant difference(P>0.05).The changes of CGI-S scores in treatment group and control group were(-2.00±1.27)and(-1.90±1.22)points,PSP scores were(18.80±14.77)and(19.20±14.55)points,PANSS positive syndrome scores were(-10.30±5.93)and(-10.80±5.81)points,PANSS negative syndrome scores were(-6.80±5.98)and(-7.30±5.15)points,with no significant difference(P>0.05).There was no significant difference in the incidence of treatment-related adverse events between the two group(69.00%vs.64.50%,P>0.05).Conclusion The non-inferiority of Brexpiprazole to aripiprazole was established,with comparable efficacy and acceptability.
4.Clinical trial of Morinda officinalis oligosaccharides in the continuation treatment of adults with mild and moderate depression
Shu-Zhe ZHOU ; Zu-Cheng HAN ; Xiu-Zhen WANG ; Yan-Qing CHEN ; Ya-Ling HU ; Xue-Qin YU ; Bin-Hong WANG ; Guo-Zhen FAN ; Hong SANG ; Ying HAI ; Zhi-Jie JIA ; Zhan-Min WANG ; Yan WEI ; Jian-Guo ZHU ; Xue-Qin SONG ; Zhi-Dong LIU ; Li KUANG ; Hong-Ming WANG ; Feng TIAN ; Yu-Xin LI ; Ling ZHANG ; Hai LIN ; Bin WU ; Chao-Ying WANG ; Chang LIU ; Jia-Fan SUN ; Shao-Xiao YAN ; Jun LIU ; Shou-Fu XIE ; Mao-Sheng FANG ; Wei-Feng MI ; Hong-Yan ZHANG
The Chinese Journal of Clinical Pharmacology 2024;40(6):815-819
Objective To observe the efficacy and safety of Morinda officinalis oligosaccharides in the continuation treatment of mild and moderate depression.Methods An open,single-arm,multi-center design was adopted in our study.Adult patients with mild and moderate depression who had received acute treatment of Morinda officinalis oligosaccharides were enrolled and continue to receive Morinda officinalis oligosaccharides capsules for 24 weeks,the dose remained unchanged during continuation treatment.The remission rate,recurrence rate,recurrence time,and the change from baseline to endpoint of Hamilton Depression Scale(HAMD),Hamilton Anxiety Scale(HAMA),Clinical Global Impression-Severity(CGI-S)and Arizona Sexual Experience Scale(ASEX)were evaluated.The incidence of treatment-related adverse events was reported.Results The scores of HAMD-17 at baseline and after treatment were 6.60±1.87 and 5.85±4.18,scores of HAMA were 6.36±3.02 and 4.93±3.09,scores of CGI-S were 1.49±0.56 and 1.29±0.81,scores of ASEX were 15.92±4.72 and 15.57±5.26,with significant difference(P<0.05).After continuation treatment,the remission rate was 54.59%(202 cases/370 cases),and the recurrence rate was 6.49%(24 cases/370 cases),the recurrence time was(64.67±42.47)days.The incidence of treatment-related adverse events was 15.35%(64 cases/417 cases).Conclusion Morinda officinalis oligosaccharides capsules can be effectively used for the continuation treatment of mild and moderate depression,and are well tolerated and safe.
5.Integrated Detection Techniques for Forensic DNA and DNA Methylation Markers
Na YI ; Guang-Bin ZHAO ; Ke-Lai KANG ; Yi-Ren YAO ; Ke-Li GUO ; Jie ZHAO ; Chi ZHANG ; Lei MIAO ; Le WANG ; An-Quan JI
Progress in Biochemistry and Biophysics 2024;51(9):2156-2167
DNA genetic markers have always played important roles in individual identification, kinship analysis, ancestry inference and phenotype characterization in the field of forensic medicine. DNA methylation has unique advantages in biological age inference, body fluid identification and prediction of phenotypes. The majority of current studies independently examine DNA and DNA methylation markers using various workflows, and they use various analytical procedures to interpret the biological information these two markers present. Integrated methods detect DNA and DNA methylation markers simultaneously through a single experimental workflow using the same preparation of sample. Therefore, they can effectively reduce consumption of time and cost, streamline experimental procedures, and preserve valuable DNA samples taken from crime scenes. In this paper, the integrated detection approaches of DNA and DNA methylation markers on different detection platforms were reviewed. In order to convert methylation modifications to detectable forms, several options were available for pretreatment of genomic DNA, including digestion with methylation-sensitive restriction enzyme, affinity enrichment of methylated fragments, conversion of methylated or unmethylated cytosine. Multiplexed primers can be designed for DNA markers and converted DNA methylation markers for co-amplification. The schemes of using capillary electrophoresis platform for integrated detection add the pretreatment of genomic DNA on the basis of detecting DNA genetic markers. DNA and DNA methylation markers are then integrated by co-amplification. But the limited number of fluorescent options available and the length of amplicons restrict the type and quantity of markers that can be integrated into a panel. Pyrophosphate sequencing also supports integrated detection of DNA and DNA methylation markers. On this platform, due to the conversion of unmethylated cytosine to thymine after treatment with bisulfite, the methylation level of CpG site can be directly calculated using the peak height ratio of cytosine bases and thymine bases. Therefore, the methylation levels and SNP typing can be simultaneously obtained. However, due to the limited read length of sequencing, the detection of markers with longer amplicons is restricted. It is not conducive to fully interpret the complete information of the target sequence. Next-generation sequencing also supports integrated detection of DNA and DNA methylation markers. A preliminary experimental process including DNA extraction, pretreatment of genomic DNA, co-preparation of DNA and DNA methylation library and co-sequencing, has been formed based on the next-generation sequencing platform. It confirmed the feasibility of next-generation sequencing technology for integrated detection of DNA and DNA methylation markers. In field of biomedicine, various integrated detection schemes and corresponding data analysis approaches of DNA and DNA genetic markers developed based on the above detection process.Co-analysis can simultaneously obtain the genomic genetic and epigenetic information through a single analytic process. These schemes suggest that next-generation sequencing may be an effective method for achieving more accurate and highly integrated detection, helping to explore the potential for application in forensic biological samples. We finally explore the impact of interactions between sites and different pretreatment methods on the integrated detection of DNA and DNA methylation markers, and also propose the challenge of applying third-generation sequencing for integrated detection in forensic samples.
6.Analysis on the Difference of Median Survival Time of Advanced Pancreatic Cancer Patients with Different Traditional Chinese Medicine Syndromes and Intervention Times of Chinese Herbal Medicine:A Retrospective Study
Jing WANG ; Chaoyong WU ; Bin LIU ; Ruoqi ZHANG ; Rui MIAO ; Xiuwei GUO ; Peitong ZHANG
Journal of Traditional Chinese Medicine 2024;65(22):2332-2337
ObjectiveTo observe the distribution of traditional Chinese medicine (TCM) syndrome types in advanced pancreatic cancer patients, and explore the association between median survival time and different TCM syndromes and different intervention times of Chinese herbal medicine (CHM). MethodsThe clinical data of 136 advanced pancreatic cancer patients who have received CHM for more than 3 months were collected retrospectively, including gender, age, family history, smoking history, drinking history, location of disease, lymph node metastasis, multiple distant metastasis, western medicine treatment methods, TCM diagnosis and treatment information, and survival time. The Kaplan-Meier (KM) estimator was used, and the median survival time of patients was calculated. The TCM syndrome type of each patient was judged, and the main single syndrome types and compound syndrome types were summarized. The median survival time was compared among different compound syndrome types. The patients were further divided into the group of those having received CHM ≥6 months and those having received CHM <6 months. Whether receiving CHM ≥6 months was taken as the grouping variable, while the matching variables were age, gender, family history, smoking history, drinking history, location of disease, lymph node metastasis, multiple distant metastasis, surgery, chemotherapy, and radiotherapy when propensity score matching was performed, and the difference in median survival time between the two groups of patients before and after matching was compared. ResultsFor 136 cases of advanced pancreatic cancer, the top five single syndromes were spleen qi deficiency, liver blood stasis, liver qi stagnation, spleen dampness, and liver heat. The main compound types were liver constraint, spleen deficiency and blood stasis syndrome, liver-gallbladder damp-heat and blood stasis syndrome, liver constraint, qi stagnation and spleen deficiency syndrome, spleen-stomach yang deficiency and blood stasis syndrome, and spleen deficiency and dampness-heat internal accumulation syndrome. The overall median survival time before and after matching was 12.47 (7.70,17.10) months and 13.77 (8.83,17.20) months, respectively, and was significantly higher in the group treated with CHM ≥ 6 months than that treated with CHM <6 months (P<0.05). Among the 136 patients before matching, the median survival time of patients with spleen deficiency and dampness-heat internal accumulation syndrome was longest [16.23 (14.17,19.40) months], while that of patients with spleen-stomach yang deficiency and blood stasis syndrome was the shortest [7.33 (5.80,12.83) months]. For patients with liver constraint, spleen deficiency and blood stasis syndrome, liver-gallbladder damp-heat and blood stasis syndrome, and spleen-stomach yang deficiency and blood stasis syndrome, those having received CHM ≥ 6 months have much longer median survival time than those having received CHM <6 months (P<0.05). Among the 108 patients after matching, the median survival time of those with spleen deficiency and dampness-heat internal accumulation syndrome was the longest [15.23 (7.67,18.27) months], while that of spleen-stomach yang deficiency and blood stasis syndrome was the shortest [8.80 (6.90,16.17) months]. For patients with liver-gallbladder dampness-heat and blood stasis syndrome and spleen-stomach yang deficiency and blood stasis syndrome, the median survival time was higher in the group treated with CHM ≥ 6 months treated with CHM <6 months (P<0.05). ConclusionAfter treatment with CHM, advanced pancreatic cancer patients with spleen deficiency and damp-heat internal accumulation had a better prognosis, while those with spleen-stomach yang deficiency and blood stasis had a worse prognosis. Treatment with CHM ≥ 6 months could extend the median survival of advanced pancreatic cancer patients with liver-gallbladder damp-heat and blood stasis syndrome and spleen-stomach yang deficiency and blood stasis syndrome.
7.Serum Metabolomics Characteristics of Chronic Atrophic Gastritis Patients with Liver-Stomach Qi Stagnation Syndrome and Spleen-Stomach Weakness Syndrome
Yu-Yi CHEN ; Juan-Juan LI ; Hong-Liang WANG ; Shao-Ju GUO ; Bin HUANG
Journal of Guangzhou University of Traditional Chinese Medicine 2024;41(1):7-16
Objective To analyze the metabolomics characteristics of chronic atrophic gastritis(CAG)patients with liver-stomach qi stagnation and spleen-stomach weakness syndromes based on non-targeted metabolomics technology,and to identify the serum differentiated metabolites related to traditional Chinese medicine(TCM)syndrome of CAG patients,so as to provide a reference for the objectification of syndrome differentiation.Methods Sixty patients with CAG were included,including 30 cases of liver-stomach qi stagnation syndrome and 30 cases of spleen-stomach weakness syndrome.Fasting blood of 5 mL was collected from the cubital vein of patients in the two groups,and the serum levels of metabolites were detected by ultra-high-performance liquid chromatography-mass spectrometry(UPLC-MS)methods.The principal component analysis(PCA),orthogonal partial least squares-discriminant analysis(OPLS-DA),and cluster analysis were used to screen the differentiated metabolites of CAG patients with liver-stomach qi stagnation syndrome and spleen-stomach weakness syndrome.Finally,metabolite pathway analysis was performed for the obtained differentiated metabolites using the KEGG database.Results The results for the screening of differentiated metabolites showed that significant differences of amino acid derivatives and small peptide metabolites were presented between CAG patients with liver-stomach qi stagnation syndrome and CAG patients with spleen-stomach weakness syndrome.The amino acid derivatives consisted of N-acetylglycine,histamine,O-phosphoserine,selenomethylselenocysteine,and methyl-tyrosine.And the small peptide metabolites consisted of tyrosine-leucine-phenylalanine,histidine-alanine-glutamate-lysine,L-asparagine-L-proline-L-serine,and L-isoleucine-L-isoleucine.Conclusion Differences in amino acid metabolism exist between CAG patients with liver-stomach qi stagnation syndrome and those with spleen-stomach weakness syndrome,and metabolites such as N-acetylglycine,intermethyltyrosine,and O-phosphoserine may be the potential biomarkers for distinguishing liver-stomach qi stagnation syndrome from spleen-stomach weakness syndrome in CAG patients.
8.The influence of specialized nurses′ assistance mode on the maintenance ability of PICC catheter in nursing hospital from the perspective of combination of medical care and nursing care
Dan LI ; Chunyan CHAI ; Xuefang YANG ; Min WANG ; Jing GUO ; Bin GU
Chinese Journal of Practical Nursing 2024;40(2):142-148
Objective:To evaluate the effect of nursing specialist nurses′ assistance on the ability of nursing home nurses to maintain venous catheter under the vision of combination of medical care and nursing care, providing reference for carrying out specialized nursing assistance work in grassroots hospitals.Methods:This study was an experimental study. According to Miller′s pyramid theory, a model of specialist nurse assistance was established with specialized technology as the core. From January to December 2021, three nursing hospitals in Suzhou were assisted. Convenience sampling method was used to investigate the ability of intravenous catheter maintenance, the incidence of central venous catheter maintenance defects, the incidence of central venous catheter complications and unplanned extubation, and the satisfaction of doctors and patients before and after help.Results:Totally 86 nurses were included, aged (33.17 ± 2.31) years old. After the help, the theoretical and operational skill scores of nurses in the nursing home were (89.77 ± 2.11) and (92.75 ± 1.62) points, respectively, which were significantly higher than those before the help (60.84 ± 2.71) and (79.81 ± 1.68) points, and the differences were statistically significant ( t=-84.96, -52.12, both P<0.05). Among the maintenance defects of central venous catheter in nursing homes, incomplete labeling, film wrapping, blood seepage, catheter discounting, non-standard film fixing, and incomplete information of extended care were 9.95% (21/211), 8.53% (18/211), 2.84% (6/211), 6.16% (13/211), 4.74% (10/211), 2.37% (5/211) after help, all lower than 50.57% (89/176), 43.18% (76/176), 14.20% (25/176), 25.57% (45/176), 18.18% (32/176), 11.93% (21/176) before help. The differences were statistically significant ( χ2 values were 14.00 to 77.81, all P<0.05). The incidence of medical adhesive related skin injury, catheter obstruction complications and unplanned extubation were 4.44% (4/90), 3.33% (3/90) and 2.22% (2/90), respectively, which were lower than 20.51% (16/78), 15.38% (12/78) and 11.54% (9/78) before help. The differences were statistically significant ( χ2=8.81, 6.06, 4.50, all P<0.05). Doctors′ satisfaction with nurses and patients′ satisfaction with nursing work were 96.43%(27/28) and 93.75%(45/48), respectively, both higher than 71.43%(20/28) and 72.73%(32/44) before help, and the differences were statistically significant respectively ( χ2=4.77, 5.97, both P<0.05). Conclusions:From the perspective of combination of medical care and nursing care, the maintenance and assistance of intravenous catheters by the team of intravenous therapy nurses in nursing hospitals can effectively reduce the incidence of central venous catheter complications and unplanned extubation, improve the maintenance ability of intravenous catheters of nurses in nursing hospitals, and help to improve the quality of nursing care in nursing hospitals.
9.Effectiveness of TCM Health Management for Myocardial Infarction based on Tertiary Management System: A Single-arm Cohort Study of 255 Patients
Hongxin GUO ; Mingjun ZHU ; Rui YU ; Xingyuan LI ; Guangcao PENG ; Xinlu WANG ; Jianru WANG ; Bin LI ; Qifei ZHAO ; Yongxia WANG
Journal of Traditional Chinese Medicine 2024;65(8):821-829
ObjectiveTo evaluate the efficacy of TCM health management based on tertiary management system for patients with myocardial infarction (MI). MethodsA total of 277 patients with non-acute MI were enrolled and given comprehensive TCM health management strategies including health education, lifestyle adjustment, risk factors control, medication and TCM appropriate techniques management through a tertiary management system with "the patient as the core, village/community physicians as the main executive body, and tertiary TCM hospital specialists as the leading body", for a period of 12 months by using a prospective single-arm cohort study. Through patient reporting and medical records surveys, various indicators before and after 12-month management were collected and compared. The primary efficacy indicators were readmission rate and recurrent exacerbation rate, and the secondary efficacy indicators included disease awareness-related indicators, lifestyle behavior-related indicators, cardiovascular risk factor-related indicators and Canadian cardiovascular society (CCS) cardiac function classification. ResultsA total of 255 patients completed the study and were included in the final analysis. The recurrent exacerbation and readmission rates of patients after management were 23.14% (59 cases) and 20.25% (49 cases), respectively, significantly lower than 36.08% (92 cases) and 53.72% (130 cases) before management (P<0.05). Except for knowledge on diabetes diagnostic criteria with no significant difference before and after management (P>0.05), awareness of other knowledge with regard to the prevention and treatment of cardiovascular and cerebrovascular diseases were improved after management (P<0.01), as well as the total score (P<0.01). In terms of daily life behaviors, the rates of salty diet, sweet diet and greasy diet were significantly lower than baseline, while the rate of moderate exercise was significantly higher (P<0.05 or P<0.01); the rates of ongoing smoking and vigorous exercise were not significantly changed (P>0.05). For cardiovascular risk factors, patients' total cholesterol, low-density lipoprotein (LDL) cholesterol, triglycerides, fasting glucose, total depression assessment scale score, and total anxiety assessment scale score were significantly reduced after management (P<0.01). Systolic blood pressure and body mass index (BMI) were both higher after management (P<0.05 or P<0.01), and there was no statistically significant difference in diastolic blood pressure (P>0.05). In terms of the cardiovascular disease risk factors reaching the standard levels, the rate of LDL cholesterol <1.8 mmol/L significantly increased (P<0.01), while the rate of BMI <24 kg/m2 and the rate of systolic blood pressure <140 mmHg both decreased significantly (P<0.05 or P<0.01) from baseline; the diastolic blood pressure and rate of fasting glucose <7.0 mmol/L were not significantly changed (P>0.05). The patients' CCS cardiac function classification was significantly reduced (P<0.05). ConclusionTCM health management based on the tertiary management system can enhance MI patients' awareness of the disease, change poor lifestyle habits, reduce risk factors such as blood lipids and blood glucose, improve anxiety and depression, increase activity tolerance, and reduce their recurrence exacerbation and readmission rates, which is worthy of clinical promotion.
10.Sim Grid and S-Enhance post processing algorithm for improving image quality of low-dose X-ray films in children
Lirong XUE ; Zhongqiu WANG ; Shu LI ; Ming YANG ; Bin GUO ; Chong XUN
Chinese Journal of Interventional Imaging and Therapy 2024;21(2):105-109
Objective To observe the value of SimGrid(SG)and S-Enhance(SE)for improving image quality of low-dose X-ray films in children.Methods Data of 344 children in intensive care unit who underwent 410 times bedside X-ray examinations,including 290 times of chest X-ray,51 of abdominal X-ray and 69 of chest and abdominal combined X-ray were enrolled.SG and SE were respectively used for post-processing,and the quality of post-processed images were analyzed.Results Among 410 SG post-processing images,250 images were classified as 2-point,147 as 1-point and 13 as 0-point.SG could significantly improve image quality of children≥1 year and body mass≥10 kg(all P<0.05),with better ability for displaying bones,trachea,peripheral blood vessels,foreign objects,psoas major muscle and intestinal gas(all P<0.05).Among 410 SE post-processing images,250 images were classified as 2-point,58 as 1-point and 102 of 0-point.SE could significantly improve image quality of children≥0.5 years and with body mass>4 kg(all P<0.05),with better ability for displaying bones,trachea,large blood vessels,peripheral vessels,heart posterior blood vessels and foreign objects(all P<0.05).Conclusion SG could significantly improve displaying of bones,trachea,peripheral blood vessels,foreign objects,psoas major muscle and intestinal gas in children≥1 year and body mass≥10 kg,while SE could improve displaying of bones,trachea,large blood vessels,peripheral blood vessels,heart posterior blood vessels and foreign objects in children aged≥0.5 years and body mass>4 kg on low-dose X-ray films.

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