Objective To monitor the susceptibility of clinical isolates to antimicrobial agents in tertiary hospitals in major regions of China in 2022.Methods Clinical isolates from 58 hospitals in China were tested for antimicrobial susceptibility using a unified protocol based on disc diffusion method or automated testing systems.Results were interpreted using the 2022 Clinical &Laboratory Standards Institute(CLSI)breakpoints.Results A total of 318 013 clinical isolates were collected from January 1,2022 to December 31,2022,of which 29.5％were gram-positive and 70.5％were gram-negative.The prevalence of methicillin-resistant strains in Staphylococcus aureus,Staphylococcus epidermidis and other coagulase-negative Staphylococcus species(excluding Staphylococcus pseudintermedius and Staphylococcus schleiferi)was 28.3％,76.7％and 77.9％,respectively.Overall,94.0％of MRSA strains were susceptible to trimethoprim-sulfamethoxazole and 90.8％of MRSE strains were susceptible to rifampicin.No vancomycin-resistant strains were found.Enterococcus faecalis showed significantly lower resistance rates to most antimicrobial agents tested than Enterococcus faecium.A few vancomycin-resistant strains were identified in both E.faecalis and E.faecium.The prevalence of penicillin-susceptible Streptococcus pneumoniae was 94.2％in the isolates from children and 95.7％in the isolates from adults.The resistance rate to carbapenems was lower than 13.1％in most Enterobacterales species except for Klebsiella,21.7％-23.1％of which were resistant to carbapenems.Most Enterobacterales isolates were highly susceptible to tigecycline,colistin and polymyxin B,with resistance rates ranging from 0.1％to 13.3％.The prevalence of meropenem-resistant strains decreased from 23.5％in 2019 to 18.0％in 2022 in Pseudomonas aeruginosa,and decreased from 79.0％in 2019 to 72.5％in 2022 in Acinetobacter baumannii.Conclusions The resistance of clinical isolates to the commonly used antimicrobial agents is still increasing in tertiary hospitals.However,the prevalence of important carbapenem-resistant organisms such as carbapenem-resistant K.pneumoniae,P.aeruginosa,and A.baumannii showed a downward trend in recent years.This finding suggests that the strategy of combining antimicrobial resistance surveillance with multidisciplinary concerted action works well in curbing the spread of resistant bacteria.

Objective To understand the change in distribution and antimicrobial resistance of bacteria isolated from blood specimens of Hunan Province,and provide for the initial diagnosis and treatment of clinical bloodstream infection(BSI).Methods Data reported from member units of Hunan Province Antimicrobial Resistance Survei-llance System from 2012 to 2021 were collected.Bacterial antimicrobial resistance surveillance method was imple-mented according to the technical scheme of China Antimicrobial Resistance Surveillance System(CARSS).Bacteria from blood specimens and bacterial antimicrobial susceptibility testing results were analyzed by WHONET 5.6 soft-ware and SPSS 27.0 software.Results A total of 207 054 bacterial strains were isolated from blood specimens from member units in Hunan Province Antimicrobial Resistance Surveillance System from 2012 to 2021,including 107 135(51.7％)Gram-positive bacteria and 99 919(48.3％)Gram-negative bacteria.There was no change in the top 6 pathogenic bacteria from 2012 to 2021,with Escherichia coli(n=51 537,24.9％)ranking first,followed by Staphylococcus epidermidis(n=29 115,14.1％),Staphylococcus aureus(n=17 402,8.4％),Klebsiella pneu-moniae(17 325,8.4％),Pseudomonas aeruginosa(n=4 010,1.9％)and Acinetobacter baumannii(n=3 598,1.7％).The detection rate of methicillin-resistant Staphylococcus aureus(MRSA)decreased from 30.3％in 2015 to 20.7％in 2021,while the detection rate of methicillin-resistant coagulase-negative Staphylococcus(MRCNS)showed an upward trend year by year(57.9％-66.8％).No Staphylococcus was found to be resistant to vancomy-cin,linezolid,and teicoplanin.Among Gram-negative bacteria,constituent ratios of Escherichia coli and Klebsiella pneumoniae were 43.9％-53.9％and 14.2％-19.5％,respectively,both showing an upward trend(both P＜0.001).Constituent ratios of Pseudomonas aeruginosa and Acinetobacter baumannii were 3.6％-5.1％and 3.0％-4.5％,respectively,both showing a downward trend year by year(both P＜0.001).From 2012 to 2021,resistance rates of Escherichia coli to imipenem and ertapenem were 1.0％-2.0％and 0.6％-1.1％,respectively;presenting a downward trend(P＜0.001).The resistant rates of Klebsiella pneumoniae to meropenem and ertapenem were 7.4％-13.7％and 4.8％-6.4％,respectively,presenting a downward trend(both P＜0.001).The resistance rates of Pseudomonas aeruginosa and Acinetobacter baumannii to carbapenem antibiotics were 7.1％-15.6％and 34.7％-45.7％,respectively.The trend of resistance to carbapenem antibiotics was relatively stable,but has de-creased compared with 2012-2016.The resistance rates of Escherichia coli to the third-generation cephalosporins from 2012 to 2021 were 41.0％-65.4％,showing a downward trend year by year.Conclusion The constituent ra-tio of Gram-negative bacillus from blood specimens in Hunan Province has been increasing year by year,while the detection rate of carbapenem-resistant Gram-negative bacillus remained relatively stable in the past 5 years,and the detection rate of coagulase-negative Staphylococcus has shown a downward trend.

Objective: To explore the factors affecting the prevalence of HIV-associated neurocognitive disorders (HAND) among HIV/AIDS patients, so as to provide insights into developing HAND prevention measures. Methods: HIV/AIDS patients aged 18 years and above in the Infection Department of Nanjing Second Hospital were selected.Demographic data, treatment regimen and blood biochemical indicators were collected. Depression was evaluated using Patient Health Questionnaire Depression Scale, frailty was evaluated using Chinese version of Tilburg Frailty Indicator, and HAND was evaluated by Montreal Cognitive Assessment Scale. Factors affecting HAND were analyzed using a multivariable logistic regression model. Results: Totally 440 questionnaires were allocated and 426 valid questionnaires were recovered, with an effective rate of 96.82%. The median age of patients investigated was 33.00 (interquartile range, 10.00) year. There were 407 males, accounting for 95.54%; 232 patients with bachelor degree or above, accounting for 54.46%; 171 patients with HAND, accounting for 40.14%. Multivariable logistic regression analysis showed that educational level (bachelor degree or above, OR=0.291, 95%CI: 0.157-0.541), depression (OR=2.499, 95%CI: 1.530-4.083), frailty (OR=2.121, 95%CI: 1.307-3.441) and treatment regimen including efavirenz (OR=2.223, 95%CI: 1.367-3.615) were the influencing factors for HAND among HIV/AIDS patients. Conclusion Educational level, depression, frailty and use of efavirenz may be associated with HAND risk.

Benzodiazepines(BDZs)are used in clinics for anxiolysis,anticonvulsants,sedative hypnosis,and muscle relaxation.They have high consumptions worldwide because of their easy availability and potential addiction.They are often used for suicide or criminal practices such as abduction and drug-facilitated sexual assault.The pharmacological effects of using small doses of BDZs and their detections from complex biological matrices are challenging.Efficient pretreatment methods followed by accurate and sensitive detections are necessary.Herein,pretreatment methods for the extraction,enrichment,and preconcentration of BDZs as well as the strategies for their screening,identification,and quantitation developed in the past five years have been reviewed.Moreover,recent advances in various methods are summarized.Characteristics and advantages of each method are encompassed.Future directions of the pretreatment and detection methods for BDZs are also reviewed.

Good palatability of pediatric drugs improves the accuracy of dosing and adherence to dosing regimens. Many active pharmaceutical ingredients have an undesirable taste, so effective taste masking methods need to be developed to improve the palatability of pediatric medicines. This article mainly introduces the commonly taste masking techniques and taste evaluation methods, and puts forward suggestions on the concerns and general principles of the pharmaceutical evaluation of taste masking effects based on cases, in order to provide reference for the development of drug taste masking technology in children.

Objective:To analyze the risk factors of radiation-based sarcopenia in patients with multiple myeloma (MM).Methods:A total of 185 clinical and imaging data of patients with MM admitted to Beijing Chaoyang Hospital from September 2009 to October 2019 were retrospectively analyzed. The area of the erector spinae muscle and the area of fatty infiltration (FI) in the fascial compartment were measured by Image-pro Ρlus software, and the area of the fat-free erector spinae muscle and the fat infiltration rate (FI%) were calculated. Sarcopenia was defined as an erector spinae area of less than 3 197 mm 2 in males and 2 895 mm 2 in females. The differences in gender, age, body mass index, disease duration, hemoglobin, leukocytes, platelets, albumin, serum calcium, lactate dehydrogenase, serum creatinine, alkaline phosphatase, M-protein, serum β 2-microglobulin, bortezomib chemotherapy, receipt of stem cell transplantation, osteopathy, stage, recurrence and progression of MM between the sarcopenia group and the normal muscle group were compared. Binary logistic regression was used to analyze the independent risk factors of sarcopenia in MM patients. Kaplan-Meier curves were drawn to compare the survival rates between the two groups. Results:53.0% (98/185) of MM patients were complicated with sarcopenia: there were 30 males, whose fat-free erector spinae area was 25.0±6.0 cm 2, the FI of erector spinae was 12.0±4.8 cm 2, and the FI% was 31.5%±12.0%, while there were 68 females, whose fat-free erector spinae area was 22.7±4.2 cm 2, the FI of erector spinae was 10.7±4.1 cm 2, and the FI% was 30.2%±9.8%. 47.0% (87/185) of MM patients had normal muscle mass: there were 62 males, whose fat-free erector spinae area was 40.6±6.5 cm 2, the FI of erector spinae was 9.3±4.8 cm 2, and the FI% was 17.9%±7.4%, while there were 25 females, whose fat-free erector spinae area was 33.6±5.1 cm 2, the FI of erector spinae was 9.9±3.0 cm 2, and the FI% was 21.9%±5.7%. There were statistically significant differences in the gender composition ratio (χ 2=30.47, P<0.001), hemoglobin ( t=-2.73, P=0.007), serum creatinine ( Z=-2.26, P=0.024), receipt of stem cell transplantation (χ 2=4.32, P=0.038), and MM recurrence and progression (χ 2=3.85, P=0.050) between the two groups. However, there were no significant differences in age, body mass index, course of disease, leukocytes, platelets, albumin, alkaline phosphatase, lactate dehydrogenase, serum calcium, M-protein, serum β 2-microglobulin, bortezomib chemotherapy, osteopathy or MM stage ( P>0.05). Binary logistic regression analysis showed that female was an independent risk factor for sarcopenia in MM patients. The survival rates at 2, 3, 4, and 5 years were 87.9%, 71.8%, 64.4%, and 53.7% in the sarcopenia group, and 92.1%, 75.8%, 66.8%, and 66.8% in the normal muscle group, respectively, with no statistically significant differences ( HR=0.71, P=0.364). Conclusion:The incidence of radiation-based sarcopenia in MM patients is 53.0%. Low hemoglobin and blood creatinine levels, not receiving stem cell transplantation, and recurrence or progression of MM are associated with sarcopenia in MM patients, and female is an independent risk factor for sarcopenia in MM patients.

Objective:To explore the team construction and treatment strategy of the Diabetic Foot-Multidisciplinary Team.Methods:The clinical data of 19 patients with severe ischemic diabetic foot treated by our Diabetic Foot-Multidisciplinary Team Center from Apr 2021 to Mar 2022 were collected, and the overall amputation rate, above-ankle major amputation rate, minor amputation rate and mortality, Diabetic Foot-Multidisciplinary Team consultation discipline participation rate and treatment participation degree were retrospectively analyzed.Results:Nineteen patients (15 males and 4 females) were enrolled, aged 26 to 94 (68.6±14.2). All were with severe ischemic diabetic foot ulcer:Rutherford grade 5 or up and dysfunction in 2 or more organs. Complications included arteriosclerosis obliterans of the lower extremities in 18 cases, heart diseases in 18, hypertension in 15, and renal insufficiencies in 10. The overall amputation rate was 36.8%, major amputation rate in 21.1%, minor amputation rate in 15.8%, and mortality rate was 15.8%. A total of 16 disciplines participated in Diabetic Foot-Multidisciplinary Team; the main participating disciplines were vascular surgery (19 times), endocrinology (12 times), and cardiology (11 times). The main treatment disciplines were vascular surgery (14 times), plastic surgery (3 times), and cardiology (2 times).Conclusion:For the diagnosis and treatment of diabetic foot, it is necessary to set up a multidisciplinary team as early as possible to control the causes of diabetic foot ulcer, prevent the recurrence of diabetic foot ulcer, reduce the mortality and amputation rate, and improve the quality of life of patients.

Health impact assessment (HIA) system has been listed in the Outline of the Healthy China 2030 Plan and the Law of Basic Health Care and Health Promotion of the People's Republic of China, however, the technique guideline of HIA needs to be established and improved. This paper summarizes the applications of different epidemiological methods in HIA and focus on the introduction of the application of ecology model of health social determinants as theory basis in the establishment of HIA system along with the introduction of HIA cases in the world. The applications of epidemiological methods in domestic HIA research are limited. Therefore, appropriate applications of epidemiological methods should be strengthened in HIA guideline and system development, especially the applications of big health data, mobile health techniques, systems epidemiology and implementation science, to facilitate data collection and potential health hazard evaluation and surveillance for HIA, establishment and improvement of HIA system and the implementation of Healthy China Strategy.
China/epidemiology* ; Epidemiologic Methods ; Health Impact Assessment ; Health Promotion ; Humans

OBJECTIVES: To investigate the clinical treatment outcomes and the changes of the outcomes over time in extremely preterm twins in Guangdong Province, China. METHODS: A retrospective analysis was performed for 269 pairs of extremely preterm twins with a gestational age of <28 weeks who were admitted to the department of neonatology in 26 grade A tertiary hospitals in Guangdong Province from January 2008 to December 2017. According to the admission time, they were divided into two groups: 2008-2012 and 2013-2017. Besides, each pair of twins was divided into the heavier infant and the lighter infant subgroups according to birth weight. The perinatal data of mothers and hospitalization data of neonates were collected. The survival rate of twins and the incidence rate of complications were compared between the 2008-2012 and 2013-2017 groups. RESULTS: Compared with the 2008-2012 group, the 2013-2017 group (both the heavier infant and lighter infant subgroups) had lower incidence rates of severe asphyxia and smaller head circumference at birth (P<0.05). The mortality rates of both of the twins, the heavier infant of the twins, and the lighter infant of the twins were lower in the 2013-2017 group compared with the 2008-2012 group (P<0.05). Compared with the 2008-2012 group, the 2013-2017 group (both the heavier infant and lighter infant subgroups) had lower incidence rates of pulmonary hemorrhage, patent ductus arteriosus (PDA), periventricular-intraventricular hemorrhage (P-IVH), and neonatal respiratory distress syndrome (NRDS) and a higher incidence rate of bronchopulmonary dysplasia (P<0.05). CONCLUSIONS There is a significant increase in the survival rate over time in extremely preterm twins with a gestational age of <28 weeks in the 26 grade A tertiary hospitals in Guangdong Province. The incidences of severe asphyxia, pulmonary hemorrhage, PDA, P-IVH, and NRDS decrease in both the heavier and lighter infants of the twins, but the incidence of bronchopulmonary dysplasia increases. With the improvement of diagnosis and treatment, the multidisciplinary collaboration between different fields of fetal medicine including prenatal diagnosis, obstetrics, and neonatology is needed in the future to jointly develop management strategies for twin pregnancy.
Bronchopulmonary Dysplasia/epidemiology* ; Female ; Gestational Age ; Humans ; Infant ; Infant, Extremely Premature ; Infant, Newborn ; Pregnancy ; Respiratory Distress Syndrome, Newborn/epidemiology* ; Retrospective Studies ; Treatment Outcome

Cell Cycle Proteins ; Microtubule-Associated Proteins