1.Comparison of the efficacy of catheter-directed thrombolysis via anterior tibial vein and popliteal vein approaches in the treatment of acute lower extremity deep vein thrombosis
Hao JI ; Yachao WANG ; Luyi SI ; Zhuxin GU ; Yuanyuan KONG ; Haijun MEI
Chinese Journal of Clinical Medicine 2026;33(2):260-269
Objective To compare the clinical efficacy, safety, and patient’ prognosis of catheter-directed thrombolysis (CDT) via anterior tibial vein and popliteal vein approaches in the treatment of acute lower extremity deep vein thrombosis (DVT). Methods A retrospective analysis was conducted on the clinical data of 195 patients diagnosed with acute mixed lower extremity DVT and treated with CDT in the Department of Interventional and Vascular Surgery, Affiliated Hospital of Nantong University from January 2020 to December 2023. Patients were divided into an observation group (anterior tibial vein approach, n=97) and a control group (popliteal vein approach, n=98) according to the puncture route. Baseline data, thrombolysis-related indices (urokinase dosage, coagulation function indices), efficacy measures (degree of thrombus dissolution, leg circumference difference, visual analogue scale [VAS] score, venous clinical severity score [VCSS]), recovery parameters (time to ambulation, length of hospital stay), complication rates, and long-term prognosis measures (Villalta score, incidence of post-thrombotic syndrome [PTS]) were compared between the two groups. Results There was no statistically significant difference in urokinase dosage and levels of coagulation function indices between the two groups. Postoperatively, the leg circumference difference at 15 cm below the knee, VAS score, and VCSS score were significantly lower in the observation group than in the control group (P=0.001). The observation group had higher grade Ⅲ dissolution rates in the popliteal and anterior tibial veins compared to the control group (P<0.05), while differences of dissolution rates in the iliac and femoral veins were not statistically significant. The observation group had shorter length of hospital stay and earlier ambulation times than the control group (P=0.001). There were no significant differences in complication rates, Villalta scores, or PTS incidence between the two groups. Conclusions CDT via the anterior tibial vein puncture approach for acute mixed lower extremity DVT is superior to the popliteal vein approach in promoting resolution of lower extremity swelling, alleviating pain, improving venous clinical symptoms, and achieving higher thrombus dissolution rates in the popliteal and anterior tibial veins. It also enables faster recovery and demonstrates good safety.
2.Effect of repetitive peripheral magnetic stimulation combined with upper limb intelligent robot training on upper limb function in children with unilateral spastic cerebral palsy
Mingdi LI ; Yin WANG ; Hewei ZHANG ; Mei HE ; Hongliang HUO ; Qin GU ; Guanjun LIANG
Chinese Journal of Rehabilitation Theory and Practice 2026;32(5):588-596
ObjectiveTo investigate the effect of repetitive peripheral magnetic stimulation (rPMS) combined with upper limb intelligent robotic training on muscle tension, motor function and cortical excitability in children with unilateral spastic cerebral palsy (USCP). MethodsFrom March, 2023 to December, 2024, 90 children with USCP admitted to Children's Hospital of Soochow University were selected and randomly divided into control group (n = 30), rPMS group (n = 30) and combined group (n = 30). The control group received conventional occupational therapy. The rPMS group received rPMS intervention followed by conventional occupational therapy. The combined group received rPMS followed by upper limb intelligent robot training, for four weeks. Before and after treatment, muscle tension of biceps brachii was assessed using the modified Ashworth Scale (MAS); upper limb motor function was evaluated using the Fugl-Meyer Assessment-Upper Extremity (FMA-UE) and upper limb intelligent parameters; and cortical excitability was measured using transcranial magnetic stimulation (TMS), including resting motor threshold (RMT) and motor-evoked potential (MEP) amplitude of the affected hemisphere. ResultsAfter treatment, MAS grades improved in all groups (|Z| > 3.523, P < 0.001), and the improvement in the combined group was superior to that in the control group (P < 0.05). Significant intra-group (F > 65.21, P < 0.001), inter-group (F > 17.94, P < 0.001) and interaction effects (F > 5.36, P < 0.01) were observed in FMA-UE scores, upper limb intelligent parameters and TMS parameters. Post Hoc analysis showed that the combined group demonstrated significantly greater improvements in FMA-UE scores, upper limb intelligent parameters, and TMS parameters compared with both the control and rPMS groups (all P < 0.01). Except for FMA-UE scores, the rPMS group showed significantly greater improvements than the control group in upper limb intelligent parameters (mechanical feedback, trajectory, and range of motion) and TMS parameters (RMT and MEP amplitude) (P < 0.05). ConclusionrPMS combined with upper limb intelligent robotic training can reduce upper limb muscle tension, improve motor function, and enhance cortical excitability in children with USCP.
3.Summary of the best evidence for the management of gastrointestinal graft-versus-host disease after hematopoietic stem cell transplantation
Fangchen GU ; Yongqin GE ; Huijuan MEI ; Yin LU ; Xiaming ZHU
Chinese Journal of Blood Transfusion 2026;39(5):610-618
Objective: To summarize the best evidence for the management of patients with gastrointestinal graft-versushost disease after hematopoietic stem cell transplantation, and provide evidence-based references for clinical nursing work. Methods: A systematic search was conducted for relevant evidence on the management of patients with gastrointestinal graft-versus-host disease after hematopoietic stem cell transplantation from domestic and foreign databases, as well as websites of blood and bone marrow transplantation related societies. The search period was from the establishment of the database until February 2026. Results: After screening, a total of 19 articles were included, encompassing 3 clinical decisions, 1 recommended practice, 4 guidelines, 7 expert consensuses, and 4 evidence summaries. Twenty-five pieces of best evidence were summarized across 8 aspects: multidisciplinary collaboration, influencing factors, assessment and monitoring, diagnostic differentiation, symptom management, dietary nutrition, medication guidance, and health education. Conclusion: Summarizing the relevant evidence on the management of patients with gastrointestinal graft-versus-host disease after hematopoietic stem cell transplantation can provide evidence-based support for clinical medical staff, and it is recommended to apply it in combination with clinical practice and patient wishes.
4.Association of anxiety and depressive symptoms with Internet gaming disorder〖JZ〗 and emotional-behavioral problems among junior high school students
Chinese Journal of School Health 2026;47(6):828-832
Objective:
To explore the association role of anxiety and depressive symptoms with Internet gaming disorder (IGD) and emotional-behavioral problems among junior high school students, so as to provide references for preventing the occurrence and progression of emotional-behavioral problems in middle school students.
Methods:
From September to October 2024, a random cluster sampling method was adopted to select 38 069 students from 28 junior high schools in 14 counties (cities and districts) and functional areas of Jining City, Shandong Province. Surveys were conducted by Nine item Internet Gaming Disorder Scale-Short Form, Generalized Anxiety Disorder-7, Patient Health Questionnaire-9, and Strengths and Difficulties Questionnaire. The correlation of emotional and behavioral issues, online game addiction, anxiety and depressive symptoms among junior high school students was analyzed by Speaman correlation analysis. Mediation analysis was used to explore the role of anxiety and depressive symptoms between IGD and emotional-behavioral problems among junior high school students.
Results:
The detection rates of emotional-behavioral problems, anxiety symptoms, depressive symptoms, and IGD among junior high school students were 19.24 %, 9.48%, 16.69%, and 19.68%, respectively. The scores of emotional-behavioral problems, anxiety symptoms, depressive symptoms and IGD were 10.00 (6.00, 15.00), 3.00 (0.00, 7.00), and 4.00 (1.00, 8.00), 13.00 (10.00, 19.00), respectively. There were positive correlations between each pair of emotional-behavioral problem, IGD, anxiety symptoms, and depressive symptoms scores ( r =0.51-0.81, all P <0.01). Anxiety and depressive symptoms played mediating roles between IGD and emotional-behavioral problems among junior high school students, with mediating effect values of 0.16 (95% CI =0.15-0.17) and 0.12 (95% CI =0.11-0.14), respectively (both P <0.01).
Conclusions
Anxiety and depressive symptoms mediate the relationship between IGD and emotional-behavioral problems among junior high school students. It is necessary to identify early signs of IGD among junior high school students, strengthen intervention for anxiety and depressive symptoms, to prevent the occurrence and development of emotional and behavioral issues.
5.Analysis of current status and influencing factors of palliative care knowledge, attitude, and practice among nurses in Zhejiang province under the palliative co-care model
Fei YUAN ; Yu YIN ; Mei XU ; Qianyuan DAI ; Haifeng GU
Chinese Journal of Modern Nursing 2025;31(29):3934-3940
Objective:To understand the current status of knowledge, attitude, and practice (KAP) of nurses in palliative care under the model of palliative co-care in hospitals of different levels in Zhejiang Province, and to analyze the influencing factors.Methods:This study was a cross-sectional study. Convenience sampling was used to select 541 clinical registered nurses from 3 Class Ⅲ hospitals, 3 Class Ⅱ hospitals, and 2 ClassⅠ hospitals in Hangzhou, Huzhou, and Lishui, Zhejiang Province, from March to April 2023. A general information questionnaire and the KAP Survey Scale of Palliative Care Under the Palliative Co-care Model were used to investigate the subjects. Multiple linear regression analysis was conducted to analyze the influencing factors of nurses' KAP of palliative care under palliative co-care. A total of 541 questionnaires were distributed, and 535 valid questionnaires were recovered, with an effective response rate of 98.89%.Results:The scores of 535 nurses for palliative care knowledge, attitude, and practice were (16.29±1.99), (71.10±9.00), and (32.21±5.89), respectively. Multiple linear regression analysis revealed that hospital level, gender, and whether nurses have participated in on-the-job training on palliative care are influencing factors of nurses' knowledge of palliative care ( P<0.05) ; ethnicity and the duration of palliative care training courses attended within two years are influencing factors of nurses' attitude toward palliative care ( P<0.05) ; department is an influencing factor of nurses' practice of palliative care ( P<0.05) . Conclusions:Under the palliative co-care model in Zhejiang Province, nurses demonstrate a good attitude toward palliative care, while their knowledge and practice levels of palliative care still have room for improvement, with distinct influencing factors for each dimension-hospital level, gender, and on-the-job training participation affect knowledge; ethnicity and training duration within two years affect attitude; and department affects practice.
6.Clinical and genetic characteristics of children with neurodevelopmental disorder caused by MAPK8IP3 gene variations and literature review
Yanhong WANG ; Huichun ZHANG ; Yang GU ; Xuan ZHENG ; Xiaoman ZHANG ; Chao GAO ; Shiyue MEI ; Yaodong ZHANG
Chinese Journal of Neurology 2025;58(8):862-868
Objective:To summarize the clinical and genetic characteristics of patients with neurodevelopmental disorder with or without variable brain abnormalities (NEDBA) caused by MAPK8IP3 gene variation. Methods:The clinical data and genetic testing results of 2 children with NEDBA treated in Henan Children′s Hospital from August 2019 to January 2022 were collected retrospectively. Literature was searched and reviewed from China National Knowledge Infrastructure, Wanfang Data Knowledge Service Platform, PubMed database and OMIM database (up to October 2024) with" MAPK8IP3 gene ""NEDBA ""neurodevelopmental disorders "as the search terms. The main clinical genetic characteristics of NEDBA caused by MAPK8IP3 gene variation were summarized. Results:The 2 children, a boy aged 1 year and 8 months and a girl aged 1 year and 4 months, both showed global developmental delay and the onset of the disease in infancy. The de novo heterozygous mutation c.1732C>T(p.Arg578Cys) of the MAPK8IP3 gene was detected by whole-exome sequencing. Case 1 was followed up to 3 years and 10 months old, who had severe developmental delay and was accompanied by hip subluxation and strephexopodia. Literature search retrieved 0 Chinese literature and 2 English literatures. A total of 18 patients including 2 cases reported in this study were identified as NEDBA caused by MAPK8IP3 gene variations, including 16 cases with missense mutations and 2 cases with truncation mutations. Among them, 7 patients carried c.1732C>T(p.Arg578Cys) and 5 patients carried c.3436C>T(p.Arg1146Cys). The main clinical manifestations of the 18 patients included developmental delay/intellectual disability (18 cases), poor or absent speech (11 cases), abnormal neurological examination (10 cases: 6 with spastic paraplegia, 2 with spasticity, 2 with ataxia, 1 with unstable gait), hypotonia (10 cases), skeletal malformations (10 cases: 4 with short stature, 3 with scoliosis, 1 with 5th finger clinodactyly and brachydactylky, 1 with flat-valgus feet, 1 with hip subluxation), seizures (3 cases), left hearing loss (1 case), myopic astigmatism and pseudostrabismus (1 case), abnormal brain magnetic resonance imaging (15 cases). Conclusions:Patients with NEDBA is usually characterized by global developmental delay apparent from infancy or early childhood, resulting in language and motor disorders. Additional features may include hypotonia, spasticity, skeletal malformations and abnormal brain magnetic resonance imaging. Currently, missense variations are frequent among the heterozygous MAPK8IP3 genotypes, among which c.1732C>T(p.Arg578Cys) and c.3436C>T(p.Arg1146Cys) are considered hot spot variations.
7.Clinical phenotype and genetic analysis of children with developmental epileptic encephalopathy type 17 caused by GNAO1 gene mutation
Daoqi MEI ; Yu GU ; Shiyue MEI ; Bingbing ZHANG ; Liya ZHANG ; Manli WANG ; Yan LI ; Jihong TANG
Chinese Journal of Neurology 2025;58(9):971-980
Objective:To summarize the clinical characteristics of 5 children with developmental epileptic encephalopathy type 17 (DEE17) caused by GNAO1 gene variants confirmed by whole-exome sequencing and analyze the features of their genetic variants. Methods:A retrospective analysis was conducted on the clinical data of 5 children diagnosed with GNAO1-related DEE17 in the Department of Neurology, Children′s Hospital of Soochow University from January 2019 to October 2024. Their clinical features, genetic testing results, neuroimaging findings, electroencephalogram (EEG) results, and treatment regimens were summarized. Follow-up was performed via telephone or outpatient visits. Results:Among the 5 diagnosed children (3 males, 2 females), the age of onset ranged from 2 days to 2 years, and the age at diagnosis ranged from 2 days to 6 years. Four children presented with seizures in the neonatal or infantile period, manifesting as hypotonia, developmental delay, and seizure types including generalized tonic-clonic, myoclonic, and epileptic spasms. One child had a later onset at 2 years, presenting with language delay, intellectual disability, and involuntary movements, followed by seizures at 6 years, including focal and generalized tonic-clonic seizures. Genetic testing revealed de novo heterozygous missense variants in GNAO1 in all 5 cases: c.119G>C (p.G40A), c.808A>C (p.N270H), c.808A>G (p.N270D), c.118G>C (p.G40R), and c.17G>T (p.S6I). Among these variants, c.119G>C and c.17G>T were previously unreported pathogenic variants. Neuroimaging showed nonspecific changes in 3 children (widened frontal-temporal subarachnoid space, delayed myelination) and abnormal white matter signals in 2 cases. Long-term video-EEG revealed abnormal discharges and background slowing in all cases: multifocal discharges in 4 cases and focal epileptiform discharges (left mid-temporal) in 1 case. Clinical seizures were captured in 3 cases: 1 with a burst-suppression pattern and 2 with hypsarrhythmia. All patients received 3 or more antiseizure medications. Four cases (cases 1-4) responded well to topiramate combination therapy, with 2 cases (cases 1, 2) achieving complete seizure freedom and 2 cases (cases 3, 4) experiencing more than a 50% reduction in seizures. One child (case 3) achieved seizure control with an adjunctive ketogenic diet. The late-onset case (case 5) required a combination of levetiracetam, oxcarbazepine, and valproate for seizure management. Conclusions:GNAO1 variants can lead to DEE17 with diverse seizure types, often requiring multiple antiseizure medications, among which topiramate is effective. Early-onset cases typically present with seizures and developmental delay, while late-onset cases may exhibit language delay, intellectual disability, movement disorders, and refractory epilepsy. Genetic testing should be performed early for timely diagnosis.
8.In vivo pharmacokinetics of five effective constituents in Asteris Radix et Rhizoma in rats
Ling FAN ; Ming-zhi WANG ; Yan WU ; Jia-mei GU ; Ya-jie ZHAO ; Xin WANG
Chinese Traditional Patent Medicine 2025;47(4):1104-1111
AIM To investigate the in vivo pharmacokinetics of chlorogenic acid,isoquercetin,ferulic acid,isorhamnetin and shionone in Asteris Radix et Rhizoma in rats.METHODS Twelve rats were randomly assigned into 2 groups and given intragastric administration of conventional dose(0.63 g/kg)and large dose(3.3 g/kg)of Asteris Radix et Rhizoma extracts,respectively,after which blood collection was made at 0.083,0.167,0.33,0.5,0.75,1,1.5,2,4,6,8,12,24 h,UPLC-MS/MS was adopted in the plasma concentration determination of various effective constituents,and main pharmacokinetic parameters were calculated.RESULTS Various effective constituents in the large dose group demonstrated prolonged t1/2,MRT0-∞ as compared with those in the conventional dose group(P<0.05).After dose correction,Cmax of chlorogenic acid,isoquercetin,shionone in the large dose group displayed no obvious changes(P>0.05),while Cmax of ferulic acid,isorhamnetin,and AUC0-t,AUC0-∞ of various effective constituents were higher than those in the conventional dose group(P<0.05).CONCLUSION Various effective constituents in the high dose of Asteris Radix et Rhizoma can maintain high-concentration and long-time effects on rat bladder tissue.
9.Changing prevalence and antibiotic resistance profiles of carbapenem-resistant Enterobacterales in hospitals across China:data from CHINET Antimicrobial Resistance Surveillance Program,2015-2021
Wenxiang JI ; Tong JIANG ; Jilu SHEN ; Yang YANG ; Fupin HU ; Demei ZHU ; Yuanhong XU ; Ying HUANG ; Fengbo ZHANG ; Ping JI ; Yi XIE ; Mei KANG ; Chuanqing WANG ; Pan FU ; Yingchun XU ; Xiaojiang ZHANG ; Ziyong SUN ; Zhongju CHEN ; Yuxing NI ; Jingyong SUN ; Yunzhuo CHU ; Sufei TIAN ; Zhidong HU ; Jin LI ; Yunsong YU ; Jie LIN ; Bin SHAN ; Yan DU ; Sufang GUO ; Lianhua WEI ; Fengmei ZOU ; Yunjian HU ; Xiaoman AI ; Chao ZHUO ; Danhong SU ; Dawen GUO ; Jinying ZHAO ; Hua YU ; Xiangning HUANG ; Wen'en LIU ; Yanming LI ; Yan JIN ; Chunhong SHAO ; Xuesong XU ; Chao YAN ; Shanmei WANG ; Yafei CHU ; Lixia ZHANG ; Juan MA ; Shuping ZHOU ; Yan ZHOU ; Lei ZHU ; Jinhua MENG ; Fang DONG ; Zhiyong LÜ ; Fangfang HU ; Han SHEN ; Wanqing ZHOU ; Wei JIA ; Gang LI ; Jinsong WU ; Yuemei LU ; Jihong LI ; Jinju DUAN ; Jianbang KANG ; Xiaobo MA ; Yanping ZHENG ; Ruyi GUO ; Yan ZHU ; Yunsheng CHEN ; Qing MENG ; Shifu WANG ; Xuefei HU ; Hong ZHANG ; Chun WANG ; Wenhui HUANG ; Ruizhong WANG ; Hua FANG ; Bixia YU ; Yong ZHAO ; Ping GONG ; Kaizhen WENG ; Yirong ZHANG ; Jiangshan LIU ; Longfeng LIAO ; Hongqin GU ; Lin JIANG ; Wen HE ; Shunhong XUE ; Jiao FENG ; Chunlei YUE
Chinese Journal of Infection and Chemotherapy 2025;25(4):445-454
Objective To summarize the changing prevalence of carbapenem resistance in Enterobacterales based on the data of CHINET Antimicrobial Resistance Surveillance Program from 2015 to 2021 for improving antimicrobial treatment in clinical practice.Methods Antimicrobial susceptibility testing was performed using a commercial automated susceptibility testing system according to the unified CHINET protocol.The results were interpreted according to the breakpoints of the Clinical & Laboratory Standards Institute(CLSI)M100 31st ed in 2021.Results Over the seven-year period(2015-2021),the overall prevalence of carbapenem-resistant Enterobacterales(CRE)was 9.43%(62 342/661 235).The prevalence of CRE strains in Klebsiella pneumoniae,Citrobacter freundii,and Enterobacter cloacae was 22.38%,9.73%,and 8.47%,respectively.The prevalence of CRE strains in Escherichia coli was 1.99%.A few CRE strains were also identified in Salmonella and Shigella.The CRE strains were mainly isolated from respiratory specimens(44.23±2.80)%,followed by blood(20.88±3.40)%and urine(18.40±3.45)%.Intensive care units(ICUs)were the major source of the CRE strains(27.43±5.20)%.CRE strains were resistant to all the β-lactam antibiotics tested and most non-β-lactam antimicrobial agents.The CRE strains were relatively susceptible to tigecycline and polymyxins with low resistance rates.Conclusions The prevalence of CRE strains was increasing from 2015 to 2021.CRE strains were highly resistant to most of the antibacterial drugs used in clinical practice.Clinicians should prescribe antimicrobial agents rationally.Hospitals should strengthen antibiotic stewardship in key clinical settings such as ICUs,and take effective infection control measures to curb CRE outbreak and epidemic in hospitals.
10.Changing distribution and antibiotic resistance profiles of the respiratory bacterial isolates in hospitals across China:data from CHINET Antimicrobial Resistance Surveillance Program,2015-2021
Ying FU ; Yunsong YU ; Jie LIN ; Yang YANG ; Fupin HU ; Demei ZHU ; Yingchun XU ; Xiaojiang ZHANG ; Fengbo ZHANG ; Ping JI ; Yi XIE ; Mei KANG ; Chuanqing WANG ; Pan FU ; Yuanhong XU ; Ying HUANG ; Ziyong SUN ; Zhongju CHEN ; Yuxing NI ; Jingyong SUN ; Yunzhuo CHU ; Sufei TIAN ; Zhidong HU ; Jin LI ; Bin SHAN ; Yan DU ; Sufang GUO ; Lianhua WEI ; Fengmei ZOU ; Hong ZHANG ; Chun WANG ; Yunjian HU ; Xiaoman AI ; Chao ZHUO ; Danhong SU ; Dawen GUO ; Jinying ZHAO ; Hua YU ; Xiangning HUANG ; Wen'en LIU ; Yanming LI ; Yan JIN ; Chunhong SHAO ; Xuesong XU ; Chao YAN ; Shanmei WANG ; Yafei CHU ; Lixia ZHANG ; Juan MA ; Shuping ZHOU ; Yan ZHOU ; Lei ZHU ; Jinhua MENG ; Fang DONG ; Zhiyong LÜ ; Fangfang HU ; Han SHEN ; Wanqing ZHOU ; Wei JIA ; Gang LI ; Jinsong WU ; Yuemei LU ; Jihong LI ; Jinju DUAN ; Jianbang KANG ; Xiaobo MA ; Yanping ZHENG ; Ruyi GUO ; Yan ZHU ; Yunsheng CHEN ; Qing MENG ; Shifu WANG ; Xuefei HU ; Jilu SHEN ; Ruizhong WANG ; Hua FANG ; Bixia YU ; Yong ZHAO ; Ping GONG ; Kaizhen WENG ; Yirong ZHANG ; Jiangshan LIU ; Longfeng LIAO ; Hongqin GU ; Lin JIANG ; Wen HE ; Shunhong XUE ; Jiao FENG ; Chunlei YUE ; Wenhui HUANG
Chinese Journal of Infection and Chemotherapy 2025;25(4):431-444
Objective To characterize the changing species distribution and antibiotic resistance profiles of respiratory isolates in hospitals participating in the CHINET Antimicrobial Resistance Surveillance Program from 2015 to 2021.Methods Commercial automated antimicrobial susceptibility testing systems and disk diffusion method were used to test the susceptibility of respiratory bacterial isolates to antimicrobial agents following the standardized technical protocol established by the CHINET program.Results A total of 589 746 respiratory isolates were collected from 2015 to 2021.Overall,82.6%of the isolates were Gram-negative bacteria and 17.4%were Gram-positive bacteria.The bacterial isolates from outpatients and inpatients accounted for(6.0±0.9)%and(94.0±0.1)%,respectively.The top microorganisms were Klebsiella spp.,Acinetobacter spp.,Pseudomonas aeruginosa,Staphylococcus aureus,Haemophilus spp.,Stenotrophomonas maltophilia,Escherichia coli,and Streptococcus pneumoniae.Each microorganism was isolated from significantly more males than from females(P<0.05).The overall prevalence of methicillin-resistant S.aureus(MRSA)was 39.9%.The prevalence of penicillin-resistant S.pneumoniae was 1.4%.The prevalence of extended-spectrum β-lactamase(ESBL)-producing E.coli and K.pneumoniae was 67.8%and 41.3%,respectively.The overall prevalence of carbapenem-resistant E.coli,K.pneumoniae,Enterobacter cloacae,Pseudomonas aeruginosa,and Acinetobacter baumannii was 3.7%,20.8%,9.4%,29.8%,and 73.3%,respectively.The prevalence of β-lactamase was 96.1%in Moraxella catarrhalis and 60.0%in Haemophilus influenzae.The H.influenzae isolates from children(<18 years)showed significantly higher resistance rates to β-lactam antibiotics than the isolates from adults(P<0.05).Conclusions Gram-negative bacteria are still predominant in respiratory isolates associated with serious antibiotic resistance.Antimicrobial resistance surveillance should be strengthened in clinical practice to support accurate etiological diagnosis and appropriate antimicrobial therapy based on antimicrobial susceptibility testing results.


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