1.Evaluation of the public health governance capacity in Jiangsu Province
Peiyu FENG ; Anning MA ; Peiwu SHI ; Qunhong SHEN ; Chaoyang ZHANG ; Zheng CHEN ; Chuan PU ; Lingzhong XU ; Zhaohui GONG ; Tianqiang XU ; Panshi WANG ; Chao HAO ; Zhi HU ; Mo HAO ; Hua WANG ; Chengyue LI
Shanghai Journal of Preventive Medicine 2026;38(2):146-152
ObjectiveTo evaluate the public health governance capacity in Jiangsu Province and provide an optimized pathway for the construction of a “strong, rich, beautiful, and high-quality” new Jiangsu. MethodsA total of 806 policy documents, 658 public information reports, and 148 research literatures related to public health governance capacity in Jiangsu Province from January 1995 to December 2023 were collected. The status of current public health goverance was assessed based on the evaluation criteria suitable for public health systems, and the strengths and the weaknesses of the system were identified. ResultsThe public health governance capability of Jiangsu Province was scored at 738.3 points, ranking 3rd nationally. Maternal health care and emergency response capacities achieved leading positions nationwide, both ranking 2nd. Jiangsu had exhibited a standardized guidance in the strategic level, a well-established management mechanism, an extensive coverage in information collection, and a scientifically established health targets setting. However, bottlenecks remained, including an unclear division of responsibilities across organizational departments, an insufficient public-health workforce, the absence of a stable growth mechanism for government funding investment, and difficulties in promptly identifying public needs. ConclusionJiangsu’s public-health system demonstrates leading nationally, yet several components remain underdeveloped. Future efforts should consolidate advantages while addressing weaknesses, further diversify content and forms, establish a stable funding increase mechanism, and clarify departmental functions, thereby providing solid health support for realizing the developmental goals of a “strong, rich, beautiful and high-quality” new Jiangsu.
2.Current quality status and management countermeasures of occupational health technical services in Zhejiang Province
Qiuliang XU ; Feng HAN ; Peng WANG ; Zhen ZHOU ; Fei LI ; Hongwei XIE ; Yong HU ; Weiming YUAN ; Lifang ZHOU ; Hua ZOU
Journal of Environmental and Occupational Medicine 2026;43(3):341-346
Background The quality of occupational health technical services is directly linked to the protection of workers' health rights and the efficacy of occupational disease prevention and control. However, the industry still faces critical challenges: sporadic instances of institutional non-compliance and persistent irregularities in professional practice continue to undermine overall service performance. Objective To assess the current quality status of occupational health technical services in Zhejiang Province and propose countermeasures for quality improvement, providing a scientific basis for policy optimization and service delivery quality enhancement. Methods A total of 69 occupational health technical service institutions in Zhejiang Province that obtained formal accreditation as of April 30, 2024, were sampled, including 3 public institutions and 66 private institutions (comprising 3 formerly Class-A, 28 formerly Class-B, 11 formerly Class-C, and 24 newly certified institutions). Following the Technical Protocol for Quality Monitoring of Occupational Health Technical Service in Zhejiang Province and the Technical Protocol for Proficiency Testing of Occupational Health Detection in Zhejiang Province, a quality assessment task force comprising national and provincial experts was established. Evaluation was conducted across four dimensions: qualification maintenance and compliance, standardization of technical services, authenticity of technical services, and proficiency testing, utilizing a combination of document review, on-site inspections, and technical skill assessments. Results The occupational health technical service institutions in Zhejiang Province were predominantly private entities (82.5%), with significant disparities in overall service quality. The pass rates for qualification maintenance and compliance, technical service standardization, technical service authenticity, and the excellence rate for laboratory proficiency testing were 81.5%, 80.7%, 97.3%, and 90.4%, respectively. Regarding qualification maintenance, the pass rates for "environmental conditions" (49.8%, 56.7%) and "instrumentation and equipment" (58.2%、65.6%) were significantly lower for formerly Class-C and newly certified institutions compared to other categories. In terms of technical standardization, "standardized on-site inspections" recorded the lowest pass rate (67.4%), with newly certified institutions at only 48.0%. Regarding technical service authenticity, formerly Class-C institutions exhibited issues such as missing raw chromatograms for blank samples (85.7% pass rate). In laboratory proficiency testing, public and formerly Class-A institutions achieved 100% excellence rates, but the performance of formerly Class-C and newly certified institutions was comparatively weak; specifically, the failure rate for organic analysis in formerly Class-C institutions reached 20%; the failure rate for dust testing items in newly certified institutions was 10.3%. Conclusion The overall quality of occupational health technical services in Zhejiang Province still requires significant improvement, particularly in basic institutional conditions, the standardization of on-site inspections, and laboratory proficiency in organic and dust analysis. Formerly Class-C and newly certified institutions should be the primary focus of quality management efforts. Differentiated regulatory strategies are recommended, alongside strengthening interim and ex-post supervision to gradually enhance the quality of occupational health technical services across all institutions.
3.Clinical efficacy of Wenshen Chushi Decoction combined with LIPUS on erectile dysfunction with renal deficiency and phlegm-dampness syndrome
Wen-xiong ZHU ; Yi-feng YUAN ; Tao LIU ; Bo LI ; Liu-ya LONG ; Qi-hua CHEN ; Ju-qiao HE
National Journal of Andrology 2025;31(6):519-525
Objective:To explore the clinical efficacy of Wenshen Chushi Decoction combined with low intensity pulsed ultra-sound(LIPUS)on erectile dysfunction(ED)caused by renal deficiency and phlegm-dampness syndrome.Methods:One hundred and twenty ED patients were included from the Department of Andrology in the First Hospital of Hunan University of Traditional Chinese Medicine.The patients in control group were treated with Wenshen Chushi Decoction.While the patients in observation group were trea-ted with Wenshen Chushi Decoction combined with LIPUS for 8 consecutive weeks.After the treatment,the efficacy was evaluated using the International Index of Erectile Function-5(IIEF-5)score,Penile Flow Index(PFI),Traditional Chinese Medicine Syndrome Score,Self-Rating Depression Scale(SDS)score,and Self-Rating Anxiety Scale(SAS)score.Safety was also observed.And the ef-ficacy was followed up 4 weeks after the end of treatment.Results:Fifty-seven cases were enrolled into control group finally with 55 cases in the treatment group.After the treatment,all the patients in both of groups showed an improvement in IIEF-5 scores(P<0.01).Compared with the control group(19.09±2.22),the IIEF-5 score in observation group(20.42±2.39)increased signifi-cantly(P<0.01).After the treatment,the scores of PFI,TCM syndrome and SDS in both groups decreased(P<0.01,P<0.05,P<0.01).Compared with the control group([3.77±1.21],[9.91±1.71]and[39.88±2.63]points),the observation group([2.92±1.08],[4.78±1.45],and[34.51±2.09]points)showed a more significant decrease(P<0.01).There was no significant difference in total effective rate between the two groups(P>0.05).During follow-up,the IIEF-5 scores of both groups of patients were higher than those before(P<0.05,P<0.01),and the observation group score was higher than that in the control group([17.15±3.37]vs[13.63±1.96],P<0.01).No adverse reaction and abnormality of indicators occurred in both of two groups.Conclusion:Wenshen Chushi Decoction has a significant therapeutic effect on ED caused by renal deficiency and phlegm-dampness syndrome.It can not only improve the quality of erection,but also improve the physical and mental symptoms associated with ED,which makes therapeutic effect lasting longer.
4.Model of cardiovascular metabolic risk intervention for obese students based on the operating mechanism of vice president of health
Dan-hua DAI ; Bing LI ; Qi ZHAO ; Feng JIANG ; Sha XU
Fudan University Journal of Medical Sciences 2025;52(6):903-907
To explore an effective health management model for obese students,a comprehensive intervention was carried out for obese students with cardiovascular and metabolic risks,and the effectiveness of this intervention model was evaluated.From Jan to Apr 2024(excluding the winter vacation),300 students were selected from 6 primary schools in Qibao Community,Minhang District,Shanghai,to participate in the study(28 students dropped out during the study period).The study subjects were divided into two intervention groups(pilot intervention group:equipped with a health vice principal;general intervention group:not equipped with a health vice principal)and a control group.The intervention group received comprehensive intervention measures such as science popularization,diet,exercise and psychology,while the control group received daily health management.The post-intervention results showed that the intervention group had significant improvements in healthy diet,scientific exercise and positive psychology,with significant differences compared to the control group(P<0.05).At the same time,the intervention group had a reduced detection rate of obesity(BMI≥P95),and a decreased detection rate of abnormal metabolic indicators such as blood pressure,fasting blood glucose and triglyceride,especially significant differences in fasting blood glucose and triglyceride compared with the control group(P<0.001).In addition,the pilot intervention group under the operation of health vice principal showed better effects in changing healthy behaviors and improving some metabolic indicators compared with the general intervention group.The implementation of this project provided a scientific basis for the promotion of a comprehensive intervention model for student health under the oprtation of health vice principle.
5.Analysis of Clinical Characteristics and Risk Factors for Bone Lesions in Patients with Multiple Myeloma
Chen-Yang LI ; Qi-Ke ZHANG ; Xiao-Fang WEI ; You-Fan FENG ; Yuan FU ; Qiao-Lin CHEN ; Wen-Jie ZHANG ; Yuan-Yuan ZHANG ; Shao-Hua ZHANG ; Shang-Yi ZHANG ; Jie LIU
Journal of Experimental Hematology 2025;33(6):1635-1639
Objective:To investigate the clinical characteristics of patients with multiple myeloma(MM)complicated by bone lesions and the risk factors associated with bone lesions.Methods:The clinical data of 294 newly diagnosed MM patients in Gansu Provincial Hospital from January 2017 to June 2021 were retrospectively analyzed.The patients were divided into the bone lesion group(154 cases)and the non-bone lesions group(140 cases)based on the presence of absence of bone lesions at diagnosis.The general data and laboratory parameters were compared between the two groups.The risk factors for bone lesions in MM patients were analyzed by logistic regression analysis,and the characteristic(ROC)curves were plotted to assess the predictive value of each risk factor for the occurrence of bone lesions in MM patients.Results:Compared to the non-bone lesion group,the bone lesion group had significantly higher serum calcium levels and significantly greater proportions of patients with Durie-Salmon(DS)stage Ⅲ,and bone pain(all P<0.05).Logistic regression analysis showed that elevated serum calcium(OR=5.135,95%CI:1.931-13.653,P=0.001),DS stage Ⅲ(OR=1.841,95%CI:1.019-3.328,P=0.043),and bone pain(OR=8.208,95%CI:4.761-14.151,P<0.001)were independent risk factors for bone lesions in MM patients.ROC curve analysis showed that serum calcium(AUC=0.619,95%CI:0.555-0.683,P<0.001)and bone pain(AUC=0.743,95%CI:0.692-0.793,P<0.001)had predictive value for bone lesions in MM patients.Conclusion:MM patients have a high incidence of bone lesions,and active monitoring and management of risk factors may improve treatment outcomes and prognosis.
6.Impacts of chrysophanol on cartilage injury in rats with osteoarthritis and its mechanism
Jianwei LI ; Feng HU ; Qin YIN ; Kai LIAN ; Jin XU ; Yang HU ; Hanbing HUA
Chinese Journal of Immunology 2025;41(4):808-814
Objective:To investigate the effect of chrysophanol(CHR)on cartilage injury in rats with osteoarthritis and its mechanism of regulating SIRT1/HMGB1/NF-κB signal pathway.Methods:Rat models of osteoarthritis were established and divided into negative control group,chrysophanol low(CHR-L,10 mg/kg),middle(CHR-M,20 mg/kg),high dose group(CHR-H,40 mg/kg),SIRT1 inhibitor(sirtinol 5 mg/kg)+chrysophanol high dose group(sirtinol+CHR-H),and normal healthy control group was set up.The degree of joint swelling was measured,and the inflammatory index was evaluated;the pain threshold(tenderness and heat pain)was measured;HE staining and safranine O staining were applied to detect the pathological changes of rat articular cartilage;the levels of serum inflammatory factors(IL-6,IL-1β,TNF-α)were detected by ELISA method;oxidative stress indexes(MDA,SOD,GSH-PX)were detected by micro method;TUNEL staining was used to detect apoptosis;Western blot was used to detect the protein expressions of SIRT1,HMGB1,NF-κB p65,p-NF-κB p65,MMP-13 and C-Caspase-3.Results:Compared with the normal healthy control group,the rats in negative control group had obvious pathological injury,such as destruction of articular cartilage structure,necrosis and reduction of chondrocytes,the joint swelling degree,arthritis index,levels of IL-6,IL-1β,TNF-α,content of MDA,chondrocyte apoptosis rate,expressions of apoptotic protein C-Caspase-3,HMGB1,NF-κB p65/p-NF-κB p65,MMP-13 proteins increased obviously,the tenderness threshold,heat pain threshold,activities of SOD,GSH-PX,and the expression of SIRT1 protein decreased obviously(P<0.05);compared with negative control group,the pathological injury of articular cartilage in CHR group improved obviously with the increase of dosage,the joint swelling degree,arthritis index,levels of IL-6,IL-1β,TNF-α,content of MDA,chondrocyte apoptosis rate,expression of apoptotic protein C-Caspase-3,HMGB1,NF-κB p65/p-NF-κB p65,MMP-13 proteins decreased obviously,the tenderness threshold,heat pain threshold,activities of SOD,GSH-PX,and the expression of SIRT1 protein increased obviously(P<0.05);compared with CHR-H group,sirtinol+CHR-H group was able to reverse the protective effect of CHR on cartilage injury to a certain extent.Conclusion:CHR can reduce the inflammation of articular cartilage,inhibit the apoptosis of chondrocytes and play a protective role in the cartilage injury of osteoarthritis rats by up-regulating the expression of SIRT1 and down-regulating the expressions of HMGB1 and NF-κB p65/p-NF-κB p65.
7.Research on ST-T change recognition algorithm based on lead attention network
Liang WEI ; Yun-chi LI ; Jun XIE ; Tong XU ; Feng ZUO ; Yong-qin LI ; Bi-hua CHEN ; Mi HE ; Yu-shun GONG
Chinese Medical Equipment Journal 2025;46(7):1-11
Objective To propose a lead attention network-based ST-T change recognition algorithm to detect ECG ST-T changes accurately.Methods Firstly,heartbeat signals were extracted through R-wave localization,and a 12-lead heartbeat matrix was generated by correlation-based screening and merging to realize data augmentation.Secondly,a lead attention module was constructed by combining depthwise convolution(DWConv)with the channel attention squeeze-and-excitation block(SE-block)structure to perceive the differences in ST-T status among electrocardiogram leads.Thirdly,the mapping output by two independent attention modules was fused and splicing with the original signal residual was carried out,so that attention information extraction and original information transfer were enhanced effectively.Finally,SE-ResNet was used as the backbone network to extract signal features to complete the classification and identification of ST-T changes.To validate the recognition performance of the proposed algorithm for ST-T changes in ECG,the 12-lead ECG data of 97 472 patients containing different ECG rhythms were collected for ablation and comparison experiments at the First Affiliated Hospital of Army Medical University.Results The proposed algorithm achieved an AUC of 0.965 with a sensitivity of 90.51%,specificity of 90.23%,positive predictive value of 89.24%and overall accuracy of 90.36%on an independent test set.Comparative analysis demonstrated superior performance to four benchmark architectures,including VGG16,ResNet18,MobileNetV3-Small and ShuffleNet,in terms of both classification accuracy and computational efficiency.Conclusion The algorithm designed can accurately detect ST-T changes and can be used for wearable ECG automatic analysis to assist in the early warning of cardiovascular diseases in both acute and chronic patients and highland residents.[Chinese Medical Equipment Journal,2025,46(7):1-11]
8.Effects comparison of two peri-examination methods in contrast-enhanced transcranial Doppler screening for patent foramen ovale
Yong-mei XU ; Cui WANG ; Hua-kang LI ; Feng ZHANG ; Lin TAN ; Xue ZHANG ; Chen WAN ; Xiang XU ; Jun HU
Journal of Regional Anatomy and Operative Surgery 2025;34(9):784-788
Objective To explore the effects of different education and examination methods on the examination results during the screening/evaluation of patent foramen ovale by contrast-enhanced transcranial Doppler(cTCD).Methods Patients who underwent cTCD screening/evaluation for patent foramen ovale in our hospital from May 2023 to February 2024 were retrospectively selected as the research subjects.The patients were divided into the observation group and the control group according to different education and examination methods during the peri-examination period.Patients who received video education,modified Valsalva maneuver,and injection of contrast agent with 20 mL syringe were included into the observation group,and patients who received artificial education,Valsalva maneuver,and injection of contrast agent with 10 mL syringe were included into the control group.The positive detection rate of patent foramen ovale,right-to-left shunt microbubble grading during Valsalva/modified Valsalva maneuver,systolic blood flow velocity,pulsatility index(PI),resistive index(RI),examination duration,total physician-patient communication time,whether occlusion surgery was performed,and patient satisfaction were compared between the two groups.Results The positive detection rate of patent foramen ovale by cTCD(82.93%vs.95.92%),the detection rate of the maximum amout(grade Ⅲ)of microbubbles(39.02%vs.61.22%),the total physician-patient communication time during the peri-examination period[11.30(10.00,14.00)minutes vs.8.23(7.00,10.00)minutes],the rate of occlusion surgery(48.78%vs.73.47%),and the total patient satisfaction(80.49%vs.91.84%)showed statistically significant differences between the control group and the observation group(P<0.05).Additionally,the receiver operating characteristic(ROC)curve analysis showed that the area under the curve(AUC)for diagnosing patent foramen ovale were 0.718 in the control group and 0.855 in the observation group.Conclusion Peri-examination interventions such as video education,modified Valsalva maneuver,and injection of contrast agent with 20 mL syringe can improve the positive detection rate of patent foramen ovale,reduce ineffective physician-patient communication,and improve patient satisfaction.
9.Observation on the effect of esketamine combined with general anesthesia and ultrasound-guided cervical plexus block in axillary endoscopic thyroidectomy
Rui LI ; Weifeng YAN ; Shengyang DENG ; Hua CHAI ; Fei FENG
China Journal of Endoscopy 2025;31(10):30-39
Objective To investigate the effect and safety of esketamine combined with general anesthesia and ultrasound-guided cervical plexus block in axillary endoscopic thyroidectomy.Methods The subjects of this study,112 female patients who underwent axillary endoscopic thyroidectomy in our hospital from January 2022 to October 2024,were randomly divided into an observation group and a control group,each with 56 cases.All patients were administered with ultrasound-guided cervical plexus block followed by general anesthesia.The observation group was injected with 0.1 mg/kg of esketamine prior to anesthesia induction and continuously pumped with esketamine at a rate of 0.1 mg/(kg·h)during the operation until sutures were completed,while the control group was administered with an equal volume of normal saline following the same procedure.The vital sign indicators[mean arterial pressure(MAP),heart rate(HR)and percutaneous arterial oxygen saturation(SpO2)]immediately after establishing electrocardiogram monitoring(T0),immediately before tracheal intubation(T1),immediately after tracheal intubation(T2),immediately after skin incision(T3)and immediately after the operation(T4)were compared between the two groups.Surgical related indicators such as propofol dosage,remifentanil dosage,and extubation time were also compared between them.Pain visual analogue scale(VAS)scores were performed on patients from the two groups at 1,6,12,and 24 h postoperatively.The 40-item quality of recovery score(QoR-40)was used before the surgeries and 1 d after surgeries to assess the patients.Adverse reactions were also compared.Results The difference was significant in terms of MAP,HR time effect in the two groups(F=24.63,F=20.11,P<0.05)and inter-group MAP,HR values(F=13.54,F=11.49,P<0.05).There were statistically significant differences in the interaction effects of MAP and HR between the two groups(F=4.10,F=3.46,P<0.05).The difference was not statistically significant in time,inter group,and interaction effects of SpO2(P>0.05).The dosage of propofol,remifentanil,and postoperative 1 d drainage in the observation group were less than those in the control group,the differences were statistically significant(P<0.05).The differences were not statistically signiciant in extubation time and awakening time between the two groups(P>0.05).The VAS scores at 1,6,12,and 24 h after operation in the observation groups were lower than those in the control group,the differences were statistically significant(P<0.05).Physical comfort,pain dimension ratings,and total score of the QoR-40 scale:1)those 1 d after operation were lower than those before operation in both groups(P<0.05);2)1 d after operation:those in the control group were lower than those in the observation group(P<0.05).The control group witnessed a remarkable decrease in QoR-40 emotional state rating 1 d after operation than it did before operation(P<0.05),while no significant change was seen by the observation group in this regard(P>0.05).The incidence of coughing after extubation in the observation group was lower than that in the control group(14.29%and 37.50%),the difference was statistically significant(P<0.05).The differences were not statistically signiciant in the incidence of other adverse reactions such as nausea,vomiting,dizziness,headache,respiratory depression,awakening restlessness and awakening delirium between the two groups(P>0.05).The total incidence of adverse reactions in the observation group was significantly lower than that in the control group(25.00%and 66.07%,P<0.05).Conclusion The application of esketamine combined with general anesthesia and ultrasound-guided cervical plexus block in axillary endoscopic thyroidectomy can significantly stabilize hemodynamics in patients,reduce postoperative pain,and promote postoperative recovery.It is worthy clinical application.
10.Changing resistance profiles of Haemophilus influenzae and Moraxella catarrhalis isolates in hospitals across China:results from the CHINET Antimicrobial Resistance Surveillance Program,2015-2021
Hui FAN ; Chunhong SHAO ; Jia WANG ; Yang YANG ; Fupin HU ; Demei ZHU ; Yunsheng CHEN ; Qing MENG ; Hong ZHANG ; Chun WANG ; Fang DONG ; Wenqi SONG ; Kaizhen WEN ; Yirong ZHANG ; Chuanqing WANG ; Pan FU ; Chao ZHUO ; Danhong SU ; Jiangwei KE ; Shuping ZHOU ; Hua ZHANG ; Fangfang HU ; Mei KANG ; Chao HE ; Hua YU ; Xiangning HUANG ; Yingchun XU ; Xiaojiang ZHANG ; Wenen LIU ; Yanming LI ; Lei ZHU ; Jinhua MENG ; Shifu WANG ; Bin SHAN ; Yan DU ; Wei JIA ; Gang LI ; Jiao FENG ; Ping GONG ; Miao SONG ; Lianhua WEI ; Xin WANG ; Ruizhong WANG ; Hua FANG ; Sufang GUO ; Yanyan WANG ; Dawen GUO ; Jinying ZHAO ; Lixia ZHANG ; Juan MA ; Han SHEN ; Wanqing ZHOU ; Ruyi GUO ; Yan ZHU ; Jinsong WU ; Yuemei LU ; Yuxing NI ; Jingrong SUN ; Xiaobo MA ; Yanqing ZHENG ; Yunsong YU ; Jie LIN ; Ziyong SUN ; Zhongju CHEN ; Zhidong HU ; Jin LI ; Fengbo ZHANG ; Ping JI ; Yunjian HU ; Xiaoman AI ; Jinju DUAN ; Jianbang KANG ; Xuefei HU ; Xuesong XU ; Chao YAN ; Yi LI ; Shanmei WANG ; Hongqin GU ; Yuanhong XU ; Ying HUANG ; Yunzhuo CHU ; Sufei TIAN ; Jihong LI ; Bixia YU ; Cunshan KOU ; Jilu SHEN ; Wenhui HUANG ; Xiuli YANG ; Likang ZHU ; Lin JIANG ; Wen HE ; Chunlei YUE
Chinese Journal of Infection and Chemotherapy 2025;25(1):30-38
Objective To investigate the distribution and antimicrobial resistance profiles of clinically isolated Haemophilus influenzae and Moraxella catarrhalis in hospitals across China from 2015 to 2021,and provide evidence for rational use of antimicrobial agents.Methods Data of H.influenzae and M.catarrhalis strains isolated from 2015 to 2021 in CHINET program were collected for analysis,and antimicrobial susceptibility testing was performed by disc diffusion method or automated systems according to the uniform protocol of CHINET.The results were interpreted according to the CLSI breakpoints in 2022.Beta-lactamases was detected by using nitrocefin disk.Results From 2015 to 2021,a total of 43 642 strains of Haemophilus species were isolated,accounting for 2.91%of the total clinical isolates and 4.07%of Gram-negative bacteria in CHINET program.Among the 40 437 strains of H.influenzae,66.89%were isolated from children and 33.11%were isolated from adults.More than 90%of the H.influenzae strains were isolated from respiratory tract specimens.The prevalence of β-lactamase was 53.79%in H.influenzae strains.The H.influenzae strains isolated from children showed higher resistance rate than the strains isolated from adults.Overall,779 strains of H.influenzae did not produce β-lactamase but were resistant to ampicillin(BLNAR).Beta-lactamase-producing strains showed significantly higher resistance rates to these antimicrobial agents than the β-lactamase-nonproducing strains.Of the 16 191 M.catarrhalis strains,80.06%were isolated from children and 19.94%isolated from adults.M.catarrhalis strains were mostly susceptible to both amoxicillin-clavulanic acid and cefuroxime,evidenced by resistance rate lower than 2.0%.Conclusions The emergence of antibiotic-resistant H.influenzae due to β-lactamase production poses a challenge for clinical anti-infective treatment.Therefore,it is very important to implement antibiotic resistance surveillance for H.influenzae and guide rational antibiotic use.All local clinical microbiology laboratories should actively improve antibiotic susceptibility testing and strengthen antibiotic resistance surveillance for H.influenzae.

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