ObjectiveTo investigate and manage an imported dengue fever (DF) outbreak in Shanghai in 2024, to summarize the experience and lessons learned from the on-site management, and to provide a reference basis for future prevention and control of DF. MethodsEpidemiological investigation and case search were carried out for an imported DF outbreak in Shanghai, 2024. Real-time fluorescence polymerase chain reaction (RT-PCR) was used to detect dengue virus nucleic acid in the serum samples from cases. Meanwhile, emergency vector surveillance and mosquito control measures were carried out in the affected areas, and the effectiveness of the management was evaluated. ResultsAccording to the epidemiological investigation, it was confirmed that this epidemic was a family cluster of imported DF, with both cases infected in Thailand and developed symptoms successively after returning to Shanghai. Laboratory testing identified the pathogens as dengue virus serotype-3 (DENV-3). In the core and precautionary area, ultra-low-volume space spraying and residual spraying were combined to kill adult mosquitoes, and at the same time, comprehensive cleaning and elimination of mosquito breeding sites was carried out. After 2 weeks, the Breteau Index (BI) in the core area decreased from 20 to 5, and the mosquito net trap index decreased from 2 mosquitoes (net·hour)^-1 to 0.67 mosquitoes (net·hour)^-1. Continuous implementation of mosquito control measures kept the BI and net trap index below the safety thresholds [BI<5 and mosquito net trap index <2 mosquitoes (net·hour)^-1] both in the core and precautionary area. ConclusionEarly diagnosis and isolation of patients, combined with rapid suppression of the density of vector Aedes mosquitoes, are the key measures to prevent the transmission of imported DF cases.

Objective To analyze the newly reported HIV-1 infection in several prefectures of Hubei Province，and analyze its influencing factors. Methods The limiting antigen avidity enzyme immunoassay(LAg-avidity EIA,LAg) was conducted on HIV-1 positive samples confirmed by Western blot of Hubei in 2017-2022. The demographic characteristics of the newly infected samples were analyzed by χ2 test.Logistic regression model was used to analyze influencing factors of new infection rate and predict the factors associated with the HIV-1 recent infection. Results There were 403 new cases of HIV-1 from 2017 to 2022 in several prefectures of Hubei Province, of which 77 were newly infected sorted by LAg,with a new infection rate of 19.11%. The newly confirmed HIV-1 persons of whom aged ≤24 years (40.00% new infection ratio), unmarried (29.41%), college or above (31.37%), and from Voluntary counseling and testing testing(VCT) clinics (40.00%) had a higher proportion of new infections, and the difference was statistically significant. Multivariate Logistic regression analysis showed that age ≤24 years old (aOR=4.346,95%CI: 1.342-14.075) and screening from the VCT clinic (aOR=6.761,95%CI: 1.460-31.319) were more likely to be newly infected. Conclusion The proportion of new HIV infection in several prefectures of Hubei province is relatively low in recent years.Further effective publicity and intervention measures for young students and the construction of VCT clinic should be continuously promoted to achieve early diagnosis and treatment.

ObjectiveTo observe the clinical efficacy of Anshen Buxin Gao in patients with coronary artery disease （CAD） complicated with somatization disorder after percutaneous coronary intervention （PCI）， as well as its effect on heart rate variability （HRV）. MethodsA total of 96 patients with somatization disorder after PCI were selected and randomized into control and treatment groups （48 cases）. On the basis of standardized Western medical treatment for CAD， the control group received Dailixin， while the treatment group received Dailixin combined with Anshen Buxin Gao. The somatic symptom scale （SSS）， generalized anxiety disorder 7-item scale （GAD-7）， patient health questionnaire-9 （PHQ-9）， and self-rating scale of sleep （SRSS） scores in both groups were recorded before and after treatment. The traditional Chinese medicine symptom efficacy， HRV， and incidence of adverse drug reactions were observed. ResultsA total of 90 patients completed the trial， encompassing 45 patients in the control group and 45 patients in the treatment group. Baseline characteristics between the two groups showed no statistically significant differences， indicating comparability. After treatment， both groups exhibited reductions in SSS， GAD-7， and PHQ-9 scores （P<0.05）， and the treatment group outperformed the control group in alleviating somatic symptoms and anxiety-depression symptoms （P<0.05）. The control group did not achieve a significant reduction in SRSS score， whereas the treatment group effectively lowered the SRSS score （P<0.05）. Regarding traditional Chinese medicine symptom efficacy， the total response rate in the treatment group was 91.1% （41/45）， which was higher than that （71.1%， 32/45） in the control group （Z=-2.663， P<0.05）. Both groups improved HRV in patients with somatization disorder， and the treatment group showed greater improvement （P<0.05）. There were no serious clinical adverse events during the study period. The incidence of adverse reactions in the treatment group was 6.7% （3/45）， which was lower than that （14/45， 31.10%） in the control group （χ²=7.252， P<0.05）. ConclusionThe addition of Anshen Buxin Gao to Dailixin therapy significantly alleviates the clinical symptoms and improves the sleep quality， treatment efficacy， and HRV in patients with CAD complicated with somatization disorder after PCI， while reducing the adverse effects associated with Dailixin alone. This approach demonstrates considerable clinical value and warrants further promotion.

ObjectiveTo observe the prognosis effect of soluble programmed death ligand-1（sPD-L1） in treating patients with advanced lung adenocarcinoma treated with epidermal growth factor receptor-tyrosine kinase inhibitors（EGFR-TKIs） and the influence of Yiqi Yangyin Jiedu prescription. MethodA prospective cohort-controlled study was conducted to enroll patients treated with EGFR-TKIs in the first line of treatment，who were admitted to the Oncology Department of Longhua Hospital and Shanghai Chest Hospital from May 1^st， 2021 to June 30^th， 2023， and they were evaluated as non-progressive and identified with deficiency of Qi and Yin after one month of treatment. The patients were divided into an exposed group （EGFR-TKIs combined with Yiqi Yangyin Jiedu prescription） and a non-exposed group （EGFR-TKIs alone）according to whether or not they were treated with Yiqi Yangyin Jiedu prescription and were treated until disease progression， or death and intolerable adverse reactions occurred. The enzyme-linked immunosorbent assay （ELISA） was applied to detect the level of sPD-L1 in patients at the time of enrollment and disease progression，and Cox risk proportionality model was used to analyze the independent prognostic factors affecting disease progression of patients treated with EGFR-TKIs. ResultA total of 90 patients （39 in the exposed group and 51 in the non-exposed group） undergoing disease progression after EGFR-TKI treatment were enrolled. At the time of enrolment and after disease progression，the levels of serum sPD-L1 in the 90 patients were 12.06 （27.54） ng·L^-1 and 41.99 （62.93） ng·L^-1，respectively. Compared with that at the time of enrollment， the serum sPD-L1 level in the 90 patients was significantly increased after disease progression （P<0.01）. The serum sPD-L1 level in patients in the exposed group was 12.27 （24.78） ng·L^-1 and 29.57 （61.12）ng·L^-1 respectively at the time of enrolment and after disease progression. In the non-exposed group， patients had serum sPD-L1 levels of 11.81 （28.46） ng·L^-1 and 49.54 （74.12） ng·L^-1 respectively at the time of enrolment and after disease progression. Compared with that at the time of enrollment， the serum sPD-L1 level in the two groups of patients was significantly increased after disease progression （P<0.01）. In addition， compared with that in the non-exposed group， the sPD-L1 level in the exposed group was greatly reduced after disease progression（P<0.01）. Cox multifactorial analysis showed that sPD-L1 level and age at the time of enrolment were associated with patients' progression-free survival（PFS），and that low levels of sPD-L1 （<12.06 ng·L^-1） prolonged the PFS and reduced the risk of disease progression in patients treated with EGFR-TKIs compared with high levels of sPD-L1. ConclusionElevated sPD-L1 level is a poor prognostic factor for the long-term efficacy of EGFR-TKIs，and treatment with Yiqi Yangiin Jiedu prescription can down-regulate sPD-L1 level of patients treated with EGFR-TKIs.

BACKGROUND:The plateau environment affects the immune function and metabolic status of patients with osteomyelitis,leading to acceleration or complication of the disease process.The construction of effective and stable animal models of chronic osteomyelitis is essential for experimental studies of chronic osteomyelitis.OBJECTIVE:To establish a sheep model of chronic osteomyelitis in plateau regions for toxicity assessment and therapeutic research.METHODS:Fifteen healthy sheep were selected in this study.Sodium morrhuate and Staphylococcus aureus suspension were injected into the medullary cavity of the middle segment of the tibia to establish the chronic osteomyelitis model.General observation,body mass and temperature monitoring,blood infection index detection,radiological scoring,and microbial culture were performed for evaluation and analysis.RESULTS AND CONCLUSION:(1)Local tissue swelling and lameness of the affected leg were observed in all sheep in the early stage after modeling,accompanied by varying degrees of anorexia.A slight decrease in body mass was observed in sheep 1 week after modeling,while no significant changes in body temperature were observed.(2)The erythrocyte sedimentation rate significantly accelerated 4 days after modeling(P<0.05)and gradually returned to normal levels after 1 month.The white blood cell count showed a significant increase within 4 days after modeling and returned to normal after 1 week.The level of C-reactive protein increased significantly after modeling(P<0.05)and remained significantly higher than normal until the end of the experiment(P<0.05).(3)Fifteen sheep exhibited typical radiological manifestations of osteomyelitis,including unclear boundaries,irregular osteolytic lesions,and low-density bright absorption areas with interspersed necrotic bone fragments of increased and uneven density.Different degrees of periosteal reaction were observed in the cortex near the lesion.(4)Thirteen sheep were cultured for a single strain of Staphylococcus aureus,while two sheep were cultured for Staphylococcus aureus and Escherichia coli.These findings indicate that a reliable chronic osteomyelitis animal model of sheep tibia can be successfully established in plateau regions by injecting an appropriate amount of Staphylococcus aureus suspension into the medullary cavity of sheep,combined with local implantation of foreign cotton thread and sodium morrhuate.

Objective To evaluate the short-term efficacy of the VISULYZE software generated nomogram in assis-ting small incision lenticule extraction(SMILE)for the correction of myopia and astigmatism.Methods Non-randomized controlled trial.Patients who underwent SMILE surgery with the original nomogram,assisted by the same surgeon at the Laser Myopia Treatment Center of Xi'an NO.1 Hospital between February 2023 and January 2024,were included.A total of 52 patients(102 eyes)of myopic astigmatism with 3-month postoperative follow-up were collected.VISULYZE software was then used to generate a new nomogram.Subsequently,a total of 40 patients(70 eyes)with myopic with-the-rule astigmatism and a preoperative cylinder of ≤2.00 D,who underwent SMILE assisted by the new nomogram at the same center between August and November 2024,were enrolled.Among them,50 eyes had a target refraction of plano and were assigned to the experimental group.In addition,from the database of patients who underwent SMILE assisted by the origi-nal nomogram,42 patients(70 eyes)with myopic with-the-rule astigmatism and a cylinder of ≤2.00 D were screened,of which 51 eyes had a target refraction of plano,and these were assigned to the control group.The postoperative visual and refractive outcomes of both groups were compared at 3 months.Astigmatism results were analyzed using Alpins vector analysis.Results At 3 months postoperatively,among eyes with a target refraction of plano,50 eyes(98.0％)in the control group and all 50 eyes(100.0％)in the experimental group achieved an uncorrected distance visual acuity(UDVA)of ≥ 20/20.No eye in either group experienced a loss of more than one line in corrected distance visual acuity(CDVA)compared with the preoperative level.At 3 months postoperatively,63 eyes(90.0％)in the control group and 66 eyes(94.3％)in the experimental group had a spherical equivalent(SE)within-0.50 to 0.50 D.The postoperative cylinder was significantly lower in the experimental group than in the control group(P＜0.05).Vector analysis revealed that the ex-perimental group had smaller values for the difference vector,index of success,and absolute angle of error than the control group,with all differences being statistically significant(all P＜0.05).At 3 months postoperatively,43 eyes(61.4％)in the control group and 57 eyes(81.4％)in the experimental group had an angle of error within-5° to 5°.Conclusion The use of the VISULYZE software generated nomogram can optimize SMILE surgery design,offering good efficacy,safety,and predictability,and improving the precision of SMILE surgery for correcting myopia and astigmatism.

Objective To evaluate the technical feasibility and safety of video-assisted thoracoscopic surgery(VATS)without chest tube placement for infants with congenital pulmonary airway malformation(CPAM).Methods Clinical data of 145 infants with CPAM treated by VATS from May 2019 to August 2022 were retrospectively analyzed.Six cases had a chest tube placement at the end of the surgery,while 139 cases did not.Among them,there were 99 segmental lobectomies,36 lobectomies,and 4 lobectomies and segmental lobectomies.Clinical efficacy and postoperative complications were observed.Results All the 145 patients underwent resection by VATS without conversion to thoracotomy.There was no mortality during the perioperative period.In the 139 cases without chest tube placement at the end of surgery,the operation time was(42.0±16.6)min,and the intraoperative blood loss was(2.7±2.0)ml.The were 6 cases who were given indwelling drainage tube for pneumothorax or pleural effusion after surgery,the rate of re-catheterization being 4.3％.The remaining 133 cases had chest X-ray review on the third day after routine surgery.Among them,8 cases had mild pneumothorax(lung compression＜20％)on the surgical side,which did not require further treatment.Before discharge,chest X-ray re-examination showed that pneumothorax was basically absorbed.All the patients were discharged with uneventful recovery,and the hospital stay was(6.6±1.3)d.Conclusion VATS without chest tube placement is a safe and feasible surgical procedure for some selective infants with congenital pulmonary airway malformation.

Objective To evaluate the technical feasibility and safety of video-assisted thoracoscopic surgery(VATS)without chest tube placement for infants with congenital pulmonary airway malformation(CPAM).Methods Clinical data of 145 infants with CPAM treated by VATS from May 2019 to August 2022 were retrospectively analyzed.Six cases had a chest tube placement at the end of the surgery,while 139 cases did not.Among them,there were 99 segmental lobectomies,36 lobectomies,and 4 lobectomies and segmental lobectomies.Clinical efficacy and postoperative complications were observed.Results All the 145 patients underwent resection by VATS without conversion to thoracotomy.There was no mortality during the perioperative period.In the 139 cases without chest tube placement at the end of surgery,the operation time was(42.0±16.6)min,and the intraoperative blood loss was(2.7±2.0)ml.The were 6 cases who were given indwelling drainage tube for pneumothorax or pleural effusion after surgery,the rate of re-catheterization being 4.3％.The remaining 133 cases had chest X-ray review on the third day after routine surgery.Among them,8 cases had mild pneumothorax(lung compression＜20％)on the surgical side,which did not require further treatment.Before discharge,chest X-ray re-examination showed that pneumothorax was basically absorbed.All the patients were discharged with uneventful recovery,and the hospital stay was(6.6±1.3)d.Conclusion VATS without chest tube placement is a safe and feasible surgical procedure for some selective infants with congenital pulmonary airway malformation.

Objective To identify the main challenges in the current development of the"one hospital with multiple campuses"model in Chinese public hospitals and provide evidence for policy improvement.Methods A systematic search of literature published between 2014 and 2024 on the topic of"one hospital with multiple campuses"was conducted in the CNKI database.The severity of the problems(Pc)was comprehensively calculated through biblio-metric analysis,and the severity ranking of the problems was determined accordingly.Results Twenty-five issues were categorized into nine dimensions.Key problems included significant inter-campus disparities in medical quality hindering homogenization(Pc=1.000);outdated information systems causing data-sharing barriers(Pc=0.945);overly complex management systems increasing unified management difficulties(Pc=0.922);unclear functional posi-tioning of branch campuses and lack of integrated planning(Pc=0.772);and fragmented information systems cou-pled with workforce redundancy elevating cost-control challenges(Pc=0.772).Conclusion The development of the"one hospital with multiple campuses"model in Chinese public hospitals urgently requires unified quality control stan-dards,strengthened cross-campus quality supervision systems,integrated information platforms to eliminate data silos,optimized organizational structures,and discipline-specific layouts.These measures will establish a manage-ment system tailored to the multi-campus model,achieving a virtuous cycle of"structural optimization—pro-cess coordination—outcome homogenization".

Objective To explore the prognostic value of plasma sST2 in the population of coronary heart disease(CHD)complicated with chronic kidney disease(CKD).Methods A total of 326 elderly patients with CHD or CKD undergoing physical examination in the Second Medical Center of Chinese PLA General Hospital from April 2021 to July 2022 were continuously enrolled,and according to whether having CHD or CKD,they were divided into a CHD-CKD comorbidity group(n=117),a CHD group(n=124),and a CKD group(n=85).Their baseline data were compared,and the plasma concentration of sST2 was detected using chemiluminescence assay.Multiple linear regression analysis was used to identify the relevant factors of sST2.Kaplan-Meier survival curve and Cox proportional hazards regression analyses were applied to determine the impact of plasma sST2 on all-cause mortality and major adverse cardiovascular events(MACE).Results There were significant differences among the three groups in terms of age,sST2 and NT-proBNP levels,Log(NT-proBNP),eGFR,ratios of hyperuricemia,cerebral infarction,tumors,and using anti-platelet drugs and statins,PR interval,LVEF,and TC,TG,HDL-C and Hb levels(P＜0.05,P＜0.01).Multiple linear regression analysis showed that the sST2 level was positively correlated with logNT-proBNP and negatively with Hb level in the comorbidity group(t=2.266,P=0.025;t=-2.235,P=0.021).Kaplan-Meier survival curve analysis indicated that during a median fol-low-up of 31.5(22.0,32.2)months,the comorbidity group had a lower survival rate than the two single-disease groups(P＜0.05,P＜0.01),and higher incidence of MACEs than the CKD group(P＜0.01).ROC curve analysis suggests that the AUC value of sST2 in predicting all-cause mor-tality in the comorbid group was 0.692.Cox proportional hazards regression model revealed that after adjustment for cofounders,sST2 was still an independent risk factor for all-cause mortality in the comorbid patients(HR=4.461,95％CI:1.640-8.399,P=0.024),although this prognos-tic value may be influenced by NT-proBNP.Conclusion sST2 can independently predict the risk of mortality in elderly patients with CHD-CKD comorbidity.