In the context of burgeoning economic trade, there has been a remarkable increase in the number of ships travelling between domestic and international ports. Inbound and outbound cargo ships, cruise liners, ferries, and other types of vessels have emerged as critical vehicles for the dispersal of vector organisms and the spread of infectious disease agents. Public health concerns associated with these vessels represent a significant threat to human welfare. In this paper, we comprehensively review the hazards posed by vector organisms on ships, the latest advances in prevention and control strategies, and proposes appropriate countermeasures. The aim is to provide effective guidance for the prevention and control of public health security issues caused by ship-borne vector organisms.

Objective:To explore the influencing factors of major adverse cardio-cerebrovascular events(MACCE)after drug-eluting stenting in patients with coronary artery disease(CAD).Methods:Retrospective study data from First Affiliated Hospital of Zhengzhou University were extracted from the Dryad database.Patients were di-vided into MACCE group(n=160)and control group(n=880)according to whether MACCE occurred during fol-low-up.Clinical data including age,gender,fibrinogen(Fg)level etc.were compared between two groups,and the variables with significant differences between two groups were substituted into Logistic regression model to screen the influencing factors of MACCE after drug eluting stenting in CAD patients.Results:Compared with pa-tients in control group,those in MACCE group had significant higher Fg level[(3.6±1.1)g/L vs.(3.4±1.0)g/L],proportions of triple-vessel coronary disease(25.6％ vs.18.3％)and right coronary artery lesion(53.1％ vs.41.7％)(P＜0.05 or＜0.01).Multivariate Logistic regression analysis indicated that Fg level(OR=1.18,95％CI 1.01～1.37,P=0.039)was the independent risk factor of MACCE after drug eluting stenting in CAD patients.The risk of MACCE after drug eluting stenting in CAD patients significantly increased when the Fg level was＞3.27 g/L.Conclusion:High Fg level is the independent risk factor of MACCE after drug eluting stenting in CAD patients.

Objective To explore the cardiovascular protective effect of dapagliflozin on patients with heart failure with preserved ejection fraction(HFpEF)complicated with type 2 diabetes mellitus(T2DM).Methods Patients with HFpEF complicated with T2DM were divided into treatment group and control group according to cohort method.The control group was given 0.5 g of metformin hydrochloride tablet orally twice a day,while the treatment group was given 10 mg of dapagliflozin tablet orally once a day on the basis of treatment in the control group.Patients in both groups were continuously treated for 6 months.The clinical efficacy after treatment and blood glucose indicators[fasting blood glucose(FBG),2 hours postprandial blood glucose(2 h PBG),glycosylated hemoglobin(HbA1 c)],echocardiographic left ventricular parameters[left ventricular ejection fraction(LVEF),left ventricular end-diastolic diameter(LVEDD),left ventricular remodeling index(LVRI),left ventricular mass index(LVMI)]and serum N-terminal pro-brain natriuretic peptide(NT-proBNP),serum myocardial fibrosis indicators[matrix metalloproteinase-9(MMP-9),tissue inhibitor of metalloproteinase-1(TIMP-1)]before and after treatment were compared between both groups,and the safety evaluation was performed.Results Seventy-five cases in treatment group and 72 cases in control group were included.After treatment,the total effective rates in treatment group and control group were 93.33％(70 cases/75 cases)and 81.94％(59 cases/72 cases),respectively(P＜0.05).After treatment,the levels of FBG,2 h PBG,HbA1c,LVEF and LVEDD revealed no statistical differences between treatment group and control group(all P＞0.05).After treatment,LVRI values in treatment group and control group were(2.17±0.41)and(2.54±0.46)g·mL-2;LAMI values were(102.47±10.32)and(113.84±15.52)g·m-2;serum NT-proBNP levels were(652.38±208.26)and(993.24±302.69)pg·mL-1;MMP-9 levels were(142.52±21.67)and(168.73±25.88)mg·L-1;TIMP-1 levels were(3.68±0.84)and(3.12±0.91)μg·L-1,respectively(all P＜0.05).The total incidence rates of adverse reactions in treatment group and control group were 14.67％(11 cases/75 cases)and 12.50％(9 cases/72 cases),respectively(P＞0.05).Conclusion Dapagliflozin can improve ventricular remodeling and enhance cardiac function in patients with HFpEF complicated with T2DM,and it has a significant cardiovascular protective effect.

Metachromatic leukodystrophy (MLD) is an inherited disease caused by a deficiency of the enzyme arylsulfatase A (ARSA). Lentivirus-modified autologous hematopoietic stem cell gene therapy (HSCGT) has recently been approved for clinical use in pre and early symptomatic children with MLD to increase ARSA activity. Unfortunately, this advanced therapy is not available for most patients with MLD who have progressed to more advanced symptomatic stages at diagnosis. Patients with late-onset juvenile MLD typically present with a slower neurological progression of symptoms and represent a significant burden to the economy and healthcare system, whereas those with early onset infantile MLD die within a few years of symptom onset. We conducted a pilot study to determine the safety and benefit of HSCGT in patients with postsymptomatic juvenile MLD and report preliminary results. The safety profile of HSCGT was favorable in this long-term follow-up over 9 years. The most common adverse events (AEs) within 2 months of HSCGT were related to busulfan conditioning, and all AEs resolved. No HSCGT-related AEs and no evidence of distorted hematopoietic differentiation during long-term follow-up for up to 9.6 years. Importantly, to date, patients have maintained remarkably improved ARSA activity with a stable disease state, including increased Functional Independence Measure (FIM) score and decreased magnetic resonance imaging (MRI) lesion score. This long-term follow-up pilot study suggests that HSCGT is safe and provides clinical benefit to patients with postsymptomatic juvenile MLD.
Humans ; Leukodystrophy, Metachromatic/genetics* ; Pilot Projects ; Genetic Therapy/methods* ; Hematopoietic Stem Cell Transplantation ; Male ; Follow-Up Studies ; Female ; Lentivirus/genetics* ; Child ; Child, Preschool ; Hematopoietic Stem Cells/metabolism* ; Cerebroside-Sulfatase/metabolism* ; Adolescent

OBJECTIVE: To determine the prevalence of lumbar spondylolysis (LS) and the proportion of spondylolytic spondylolisthesis (SS) in China, and to evaluate the musculoskeletal status of patients with LS and SS. METHODS: Spine Computed Tomography (CT) images were collected from community populations aged 40 and above in a nationwide multi-center project. LS was diagnosed, and SS was graded by an experienced radiologist. Bone mineral density (BMD) and paraspinal muscle parameters were quantified based on CT images. RESULTS: One hundred and seventeen patients of a total of 3,317 individuals were diagnosed with LS, corresponding to a prevalence rate of 3.53%. 63 of the 1,214 males (5.18%) and 54 of the 2,103 females (2.57%) were diagnosed with LS. SS occurred in 64/121 vertebrae (52.89%). BMD was not associated with LS ( P = 0.341). The L5 extensor paraspinal muscle density was higher in the LS group than in the non-LS group. In the LS group, patients with SS had a smaller L5 paraspinal extensor muscle cross-sectional area than those without SS ( P = 0.003). CONCLUSION The prevalence of LS in Chinese adults was 3.53%, with prevalence rates of 5.18% in males and 2.57% in females. Patients with LS have higher muscle density, whereas those with SS have smaller muscle cross-sectional areas at the L5 level.
Humans ; Male ; Female ; Middle Aged ; China/epidemiology* ; Prevalence ; Adult ; Lumbar Vertebrae/diagnostic imaging* ; Spondylolysis/diagnostic imaging* ; Aged ; Bone Density ; Tomography, X-Ray Computed ; Aged, 80 and over ; Spondylolisthesis/epidemiology* ; East Asian People

Objective To develop a hypoxia endurance testing system for aviation physiological training of pilots.Methods The hypoxia endurance testing system comprised a low-oxygen mixed gas generator,a pressurization system for low-oxygen mixed gas and a personal breathing apparatus.The low-oxygen mixed gas generator consisted of a main unit composed of an air compressor,a filter,a buffer tank,polymer membrane,a control module,sensors and regulators,wire cables,supporting hoses,etc.;the pressurization system for low-oxygen mixed gas was made up of a protective box,a cooling fan,a motor and a driver,a control module,a solenoid valve,a convergence block,a pressure gauge,etc.;the personal breating apparatus was composed of a gas cylinder,a pressure reducer,an oxygen supply regulator,etc.Forty-eight subjects were selected for hypoxia exposure tests to verify the effectiveness of the system.Results The system developed had the functions of low-oxygen gas preparation,pressurized filling and hypoxia experiment,and the experimental results indicated the acute hypoxia exposure by the system significantly caused signs and symptoms of hypoxia and weakened physiological functions.Conclusion The system developed gains advantages in high accuracy of gas volume fraction control,safety and remarkable effect of simulated hypoxia,and can be an effective tool for acute high-altitude hypoxia testing and training of pilots.[Chinese Medical Equipment Journal,2025,46(10):23-28]

Objective To investigate the longitudinal clinical manifestations of acute radiation dermatitis(ARD)induced by particle therapy in nasopharyngeal carcinoma patients and to analyze associated risk factors.Methods A longitudinal study design was employed,encompassing nasopharyngeal carcinoma patients who underwent particle therapy at the Shanghai Proton and Heavy Ion Center from Mar to Sept 2023.Participants were assessed weekly(1-12 weeks)following the commencement of radiotherapy and at baseline,prior to the start of treatment.Data collection included the patient demographic questionnaire,the Radiation Therapy Oncology Group(RTOG)grading criteria for acute radiation injury,and the radiation-induced skin reaction assessment scale(RISRAS).Photographic documentation was utilized to capture changes in the irradiated skin area.The enrolled patients with nasopharyngeal carcinoma were grouped according to different particle therapy regimens.Survival data were analyzed by Log-rank and Cox regression methods,while a linear mixed-effects model was applied to repeated measures data.Results A total of 119 patients with nasopharyngeal carcinoma were enrolled.The overall incidence of ARD was 89.1%,which included 39.5%of grade 1,45.4%of grade 2 and 4.2%of grade 3.With the extension of time,the severity of ARD peaked at week 7(RISRAS=13.26±4.512),then began to decrease,ultimately reaching a lower level.Multiple Cox proportional hazards models were constructed,revealing that proton/heavy ion radiotherapy was associated with a lower risk of ARD compared to photon/proton plus heavy ion radiotherapy(HR=0.19,95%CI:0.04-0.92,P=0.039).Additionally,concurrent cisplatin/nedaplatin chemotherapy was identified as a risk factor for the development of ARD.Least squares(LS)mean differences were calculated at different time points,and the results demonstrated that the RISRAS scores of the photon/proton plus heavy ion group were consistently and significantly higher from week 5 to week 7 compared with the proton plus heavy ion group,and despite a decrease by week 8,statistical differences remained(week 5:LS mean difference 3.35,95%CI:0.94-5.76,P=0.007;week 6:LS mean difference 5.23,95%CI:2.20-8.26,P=0.001;week 7:LS mean difference 7.13,95%CI:3.67-10.59,P<0.001;week 8:LS mean difference 4.04,95%CI:0.74-7.34,P=0.017).Patients undergoing concurrent cisplatin chemotherapy had higher RISRAS scores from week 7 to week 8 of radiotherapy compared with those not receiving chemotherapy[week 7:adjusted mean difference(Adj.MD)4.20,95%CI:1.96-6.57,P=0.006;week 8:Adj.MD 2.79,95%CI 0.55-5.03,P=0.015].Similarly,patients on concurrent nedaplatin chemotherapy had higher RISRAS scores from weeks 6 to 7 compared with those not on chemotherapy(week 6:Adj.MD 3.75,95%CI:1.54-5.96,P=0.001;week 7:Adj.MD 4.41,95%CI:2.12-6.70,P<0.001).Skin care measures during treatment and accompanying symptoms such as weight loss were not statistically associated with the development of ARD.Conclusion Proton/heavy ion radiotherapy has a lower risk of ARD,while concurrent cisplatin/nedaplatin chemotherapy is a risk factor for ARD.

Acori Tatarinowii Rhizoma is the dried rhizome of Acorus tatarinowii in the family of Tennantiaceae, which has the efficacy of opening up the orifices and expelling phlegm, awakening the mind and wisdom, and resolving dampness and opening up the stomach. Modern studies have shown that volatile oil is the main active ingredient of Acori Tatarinowii Rhizoma, and α-asarone and β-asarone have been proved to be the active ingredients in the volatile oil of Acori Tatarinowii Rhizoma, with pharmacological effects such as anti-Alzheimer's disease, antiepileptic, anti-Parkinson's disease, antidepressant, anticerebral ischemia/reperfusion injury, anti-thrombosis, lipid-lowering, and antitumor. By summarising and outlining the pharmacological effects of α-asarone and β-asarone and elucidating the possible mechanisms of their pharmacological effects, we can provide theoretical basis for the further research and clinical application of Acori Tatarinowii Rhizoma.
Allylbenzene Derivatives ; Acorus/chemistry* ; Anisoles/chemistry* ; Rhizome/chemistry* ; Drugs, Chinese Herbal/chemistry* ; Humans ; Animals

Objective To develop a hypoxia endurance testing system for aviation physiological training of pilots.Methods The hypoxia endurance testing system comprised a low-oxygen mixed gas generator,a pressurization system for low-oxygen mixed gas and a personal breathing apparatus.The low-oxygen mixed gas generator consisted of a main unit composed of an air compressor,a filter,a buffer tank,polymer membrane,a control module,sensors and regulators,wire cables,supporting hoses,etc.;the pressurization system for low-oxygen mixed gas was made up of a protective box,a cooling fan,a motor and a driver,a control module,a solenoid valve,a convergence block,a pressure gauge,etc.;the personal breating apparatus was composed of a gas cylinder,a pressure reducer,an oxygen supply regulator,etc.Forty-eight subjects were selected for hypoxia exposure tests to verify the effectiveness of the system.Results The system developed had the functions of low-oxygen gas preparation,pressurized filling and hypoxia experiment,and the experimental results indicated the acute hypoxia exposure by the system significantly caused signs and symptoms of hypoxia and weakened physiological functions.Conclusion The system developed gains advantages in high accuracy of gas volume fraction control,safety and remarkable effect of simulated hypoxia,and can be an effective tool for acute high-altitude hypoxia testing and training of pilots.[Chinese Medical Equipment Journal,2025,46(10):23-28]

Objective To explore the cardiovascular protective effect of dapagliflozin on patients with heart failure with preserved ejection fraction(HFpEF)complicated with type 2 diabetes mellitus(T2DM).Methods Patients with HFpEF complicated with T2DM were divided into treatment group and control group according to cohort method.The control group was given 0.5 g of metformin hydrochloride tablet orally twice a day,while the treatment group was given 10 mg of dapagliflozin tablet orally once a day on the basis of treatment in the control group.Patients in both groups were continuously treated for 6 months.The clinical efficacy after treatment and blood glucose indicators[fasting blood glucose(FBG),2 hours postprandial blood glucose(2 h PBG),glycosylated hemoglobin(HbA1 c)],echocardiographic left ventricular parameters[left ventricular ejection fraction(LVEF),left ventricular end-diastolic diameter(LVEDD),left ventricular remodeling index(LVRI),left ventricular mass index(LVMI)]and serum N-terminal pro-brain natriuretic peptide(NT-proBNP),serum myocardial fibrosis indicators[matrix metalloproteinase-9(MMP-9),tissue inhibitor of metalloproteinase-1(TIMP-1)]before and after treatment were compared between both groups,and the safety evaluation was performed.Results Seventy-five cases in treatment group and 72 cases in control group were included.After treatment,the total effective rates in treatment group and control group were 93.33％(70 cases/75 cases)and 81.94％(59 cases/72 cases),respectively(P＜0.05).After treatment,the levels of FBG,2 h PBG,HbA1c,LVEF and LVEDD revealed no statistical differences between treatment group and control group(all P＞0.05).After treatment,LVRI values in treatment group and control group were(2.17±0.41)and(2.54±0.46)g·mL-2;LAMI values were(102.47±10.32)and(113.84±15.52)g·m-2;serum NT-proBNP levels were(652.38±208.26)and(993.24±302.69)pg·mL-1;MMP-9 levels were(142.52±21.67)and(168.73±25.88)mg·L-1;TIMP-1 levels were(3.68±0.84)and(3.12±0.91)μg·L-1,respectively(all P＜0.05).The total incidence rates of adverse reactions in treatment group and control group were 14.67％(11 cases/75 cases)and 12.50％(9 cases/72 cases),respectively(P＞0.05).Conclusion Dapagliflozin can improve ventricular remodeling and enhance cardiac function in patients with HFpEF complicated with T2DM,and it has a significant cardiovascular protective effect.