Rare origin - Ewing's sarcoma of the pleura: a case report and literature review.

Ewing sarcoma (ES) was first reported by Ewing in 1921. It is the second largest malignant bone tumor in children and adolescents, typically occurring in the bones of trunk or limbs . Extraskeletal Ewing sarcoma (EES) was first reported by Tefft et al. in 1969 and is extremely rare, accounting for less than 1% of all sarcomas. It can occur in any part of soft tissue, mostly in the trunk and lower limbs, and rarely in the pleura. We report a 22-year-old case of extraosseous Ewing sarcoma of pleural origin discovered and pathologically confirmed by physical examination. We report its CT manifestations and pathological results, and review the literature to summarize and analyze the clinical and imaging characteristics of extraosseous Ewing sarcoma, in order to improve our understanding of the disease.

Effects of different drying methods on quality of male flowers of Eucommia ulmoides based on color and chemical composition / 中国中药杂志

To study the effects of different drying methods on the quality of male flowers of Eucommia ulmoides(MFOEU), we treated fresh MFOEU samples with drying in the shade(DS), vacuum freeze drying(VFD), high-or low-temperature hot air drying(HTHAD, LTHAD), microwave drying(MD), and vacuum drying(VD), respectively. The color, total flavonoid content, total polysaccharide content, and main active components such as geniposide, geniposidic acid, rutin, chlorogenic acid, galuteolin, pinoresinol diglucoside, and aucubin in MFOEU were taken as the evaluation indicators. The quality of MFOEU was comprehensively evaluated by entropy weight method combined with color index method, partial least squares discriminant analysis and content clustering heat map. The experimental results showed that VFD and DS basically kept the original color of MFOEU. The MFOEU treated with MD had higher content of total polysaccharides, phenylpropanoids, lignans, and iridoids. The MFOEU treated with LTHAD had higher content of total flavonoids and that treated with VD had lower content of active components. According to the results of comprehensive evaluation, the quality of MFOEU dried with different methods followed the order of MD>HTHAD>VFD>LTHAD>DS>VD. Considering the color of MFOEU, the suitable drying methods were DS and VFD. Considering the color, active components, and economic benefits of MFOEU, MD was the suitable drying method. The results of this study are of a reference value for the determination of suitable methods for MFOEU processing in the producing areas.

Airway management and complications of prolonged mechanical ventilation in children / 中国小儿急救医学

Children with prolonged mechanical ventilation have complex conditions, high treatment cost of long-term stay in PICU, high nosocomial complications and mortality.Effective airway management and treatment of complications are essential to reduce ventilator-related pneumonia, prolong life, and reduce economic burden.This review aimed to summarize the updated studies to provide some evidences for children′s prolonged mechanical ventilation airway management and complications management.

Explore solutions to the "grey zone" of activated partial thromboplastin time mixing study / 中华检验医学杂志

Objective:To explore solutions to the "grey zone" of activated partial thromboplastin time (APTT) mixing study, and establish the clinical application pathway of it.Methods:Patients treated in West China Hospital of Sichuan University from January 1, 2018, to December 31, 2019, with a prolonged APTT were included in this study. The ROC curve was used to analyze the"cut-off"of different methods and explore solutions to the "grey zone" by combination of the 1∶1 and 4∶1 mixing study. Similar samples from January 1, 2020 to December 31, 2020 were included to verify the diagnostic efficiency of the clinical application pathway.Results:The traditional Rosner index criterion had a low diagnostic accuracy in differentiating factor deficiencies from inhibitors. A total of 49 cases (15%) in the establishment group and validation group were located in the "grey zone". The optimal cut-off value of the Rosner index in our 1∶1 mixing study for determining factor deficiency was 5.0%, and inhibitor was 9.1%. The sample between 5.0% and 9.0% needed 4∶1 mixing studies, which could significantly improve the detection sensitivity of inhibitors. The percentage of extended time after incubation-P (1∶1 mixing>10.8% and 4∶1 mixing>13.5%) was better than the traditional criterion mentioned by"consensus"in determining whether the inhibitor was time-dependent. The sensitivity, specificity, positive predictive value and negative predictive value of combined the 1∶1 and 4∶1 mixing study in differentiating factor deficiencies from inhibitors all attained more than 90%. Only 7% (3/43)of inhibitors were incorrectly classified into the factor deficiency group by the combination, which was 20.9% (9/43) by traditional criterion. The specificity for detecting time-dependent inhibitor was increased from 54.2% to 100%, and accuracy was increased from 63.3% to 97.4%.Conclusions:The combination of 1∶1 and 4∶1 mixing study can better resolve the "grey zone". The established clinical application pathway is beneficial for the further promotion and clinical application of APTT mixing study.

Serum CXCL12 predicts the outcomes after intravenous thrombolytic therapy in patients with acute ischemic stroke / 国际脑血管病杂志

Objective:To investigate the correlation between serum CXCL12 and the outcomes after intravenous thrombolytic therapy in patients with acute ischemic stroke.Methods:Consecutve patients with acute ischemic stroke treated with intravenous thrombolytic therapy in the Department of Neurology, the First Affiliated Hospital of Soochow University from January 1, 2020 to August 31, 2021 were enrolled retrospectively. Serum CXCL12 was measured by enzyme-linked immunosorbent assay within 24 h of onset. No improvement in early neurological function was defined as the National Institutes of Health Stroke Scale (NIHSS) 24 h after thrombolysis decreased by <4 compared with the baseline. The clinical outcome was evaluated by the modified Rankin Scale at 90 d after onset, and >2 were defined as a poor outcome. Multivariate logistic regression analysis was used to evaluate the correlation between serum CXCL12 and the outcome after intravenous thrombolysis, and the predictive value of serum CXCL12 for no improvement of early neurological function and poor short-term outcome was analyzed by the receiver operating characteristic (ROC) curve. Results:A total of 66 patients were enrolled, and the serum CXCL12 was 15.72±6.52 g/L. Twenty-seven patients (40.9%) had poor outcomes, and 34 (51.5%) had no improvement in early neurological function. Multivariate logistic regression analysis showed that higher serum CXCL12 was an independent predictor of poor outcome (odds ratio [ OR] 1.245, 95% confidence interval [ CI] 1.093-1.419; P=0.001) and no improvement in early neurological function ( OR 1.250, 95% CI 1.100-1.420; P=0.001). ROC curve analysis showed that the area under the curve of serum CXCL12 for predicting poor outcome was 0.793 (95% CI 0.679-0.908), the best cut-off value was 15.38 μg/L, and the corresponding sensitivity and specificity were 81.5% and 76.9%, respectively. The area under the curve of serum CXCL12 for predicting no improvement of early neurological function was 0.849 (95% CI 0.748-0.951), and the best cut-off value was 15.68 μg/L, and the corresponding sensitivity and specificity were 76.5% and 87.5%, respectively. Conclusion:Serum CXCL12 had a better predictive value for the outcomes of patients with acute ischemic stroke after intravenous thrombolytic therapy.

Temporal trend and contributing factors of depressive symptoms in Chinese menopausal women: analysis based on CHARLS panel data / 南方医科大学学报

OBJECTIVE@#To understand the temporal trend of and the factors affecting depressive symptoms in Chinese menopausal women to provide evidence for the development of prevention and treatment strategies.@*METHODS@#CHARLS data were used to select menopausal women aged 45-60 years. Complete values of the key variables were screened and missing values were removed to obtain the cross-sectional data of the years 2011 (n=4318), 2013 (n=4200), 2015 (n=3930), and 2018 (n= 4147). The panel data were matched by the cross-sectional data, and a total of 5040 cases with complete record of the follow-up data were obtained for the 4 years to constitute a balanced short panel dataset with n=1260 and T=4. The prevalence and temporal trend of depressive symptoms in the menopausal women were analyzed based on the panel data. The random-effects Logit model with a panel dichotomous choice model was used to explore the factors affecting depressive symptoms in the menopausal women.@*RESULTS@#The prevalence of depressive symptoms in the menopausal women calculated based on the panel data was 35.9%, 33.1%, 36.7% and 43.7% in the 4 years, respectively, showing no statistically significant changes in the temporal trend (APC=3.25%, P=0.183). The results of the random-effects Logit model analysis showed that living in the urban area (OR=0.570, 95%CI: 0.457-0.710), a high education level (OR=0.759, 95%CI: 0.655-0.879), and having a spouse (OR=0.363, 95% CI: 0.236-0.558) were associated with a decreased incidence of depressive symptoms, while poor self-reported health (OR= 2.704, 95% CI: 2.152-3.396), disability (OR=1.457, 95%CI: 1.087-1.954), chronic disease (OR=1.407, 95% CI: 1.179-1.680), falls in the last two years (OR=2.028, 95% CI: 1.613-2.550), abnormal sleep duration (OR=2.249, 95% CI: 1.896-2.664), and dissatisfaction with life (OR=4.803, 95% CI: 3.757-6.140) were associated with an increased incidence of depressive symptoms.@*CONCLUSION@#The prevalence of depressive symptoms is relatively high in menopausal women in China. Measures should be taken to ensure that the menopausal women living in rural areas, with low education level, without spouse, with a poor self-reported health status, disability, chronic diseases, falls in recent two years, abnormal sleep time and dissatisfaction with life have access to psychological health care services and interventions.

The value of MAGiC short T 1 inversion recovery sequence in the detection of bone marrow edema in sacroiliitis / 中华放射学杂志

Objective:To evaluate the value of MAGiC STIR sequence inassessing bone marrow edema (BME) of the sacroiliac joint (SIJ) in ankylosing spondylitis (AS) patients.Methods:Twenty two AS patients from the Affiliated Fifth Hospital of Sun Yat-sen University from September 2019 to January 2020 underwent MR scanning, consisting of T 2WI fat-suppressed (FS) sequence and MAGiC sequence. Each SIJ was divided into four quadrants for analysis on oblique coronal MR image. Two radiologists [middle-higher seniority levels (radiologist 1 and radiologist 2) reviewed image sets of two sequences [T 2WI FS and MAGiC short T 1 inversion recovery (STIR) sequence] independently at separate times, using Hermann-Braun scoring system for degree of BME and summing numbers of quadrants based on BME findings. Disagreements were resolved to reach an agreement for final results.Assessments were repeated two weeks later by radiologist 2. Intra-class correlation coefficients (ICC) were calculated to assess the inter-and intra-observer agreement for the degree of BME and numbers of positive BME quadrants in the MAGiC STIR sequence, respectively. The differences between the two sequences for the degree of BME and numbers of positive BME quadrants were analyzed with Wilcoxon signed-rank test and Chi-square test, respectively. Taking the results of T 2WI FS sequence as a reference standard, the ROC curve was drawn, sensitivity, specificity, positive predictive value and negative predictive value in the detection of BME were calculated for the MAGiC STIR sequence. Results:Nineteen AS patients including 38 sacroiliac joints were enrolled in our study, being divided into 152 quadrants. Inter-and intra-observer agreement for the degree of BME and inter-observer agreement for numbers of positive BME quadrants in the MAGiC STIR sequence were all good (ICC=0.936, 95%CI 0.912-0.953, P<0.001; ICC=0.910, 95%CI 0.878-0.934, P<0.001; ICC=0.876, 95%CI 0.833-0.909, P<0.001). The difference between the two sequences for the degree of BME in quadrants was statistically significant ( Z=-3.132, P=0.002). But there was no statistically significant difference between sequences for numbers of quadrants in detecting BME (χ2=0.244, P=0.622). Area under the ROC curve of MAGiC STIR sequence in diagnosis of BME was 0.920 ( P<0.001). Sensitivity, specificity, positive predictive value and negative predictive value for the MAGiC STIR sequence in the detection of BME were 82.0%, 95.1%, 89.1% and 91.5%, respectively. Conclusion:MAGiC STIR sequence can be used to evaluate bone marrow edema of SIJ in AS patients with high sensitivity and specificity.

The role of pre-existing chronic disease in cardiac complications from SARS-CoV-2 infection: A systematic review and meta-analysis

ImportanceSARS-CoV-2 is associated with multiple direct and indirect effects to the heart. It is not yet well defined whether patient groups at increased risk of severe respiratory disease due to SARS-CoV-2 infection also experience a heightened incidence of cardiac complications. ObjectiveWe sought to analyse the role of pre-existing chronic disease (chronic respiratory illness, cardiovascular disease (CVD), hypertension and diabetes mellitus) in the development of cardiac complications from SARS-CoV-2. Data SourcesWe retrospectively investigated published (including pre-prints), publicly released, de-identified, data made available between Dec 1, 2019, and May 11, 2020. Information was accessed from PubMed, Embase, medRxiv and SSRN. Study Selection379 full-text articles were reviewed and 321 excluded for lack of original research, irrelevance to outcome, inappropriate cohort, or small patient numbers (case reports of <10 patients). Data were extracted from two studies and the remaining 56 contacted to request appropriate data, to which three responded with data contributions. A final of five studies were included. Data Extraction and SynthesisThis systematic review was conducted based on PRISMA and MOOSE statements. Included studies were critically appraised using Newcastle Ottawa Quality Assessment Scale (NOS). Data were extracted independently by multiple observers. A fixed-effects model was selected for the meta-analysis based on relatively low heterogeneity between the studies (I 2<50%). Main Outcome and MeasuresCardiac complications were determined via blood levels of cardiac biomarkers above the 99th percentile of the upper reference limit, abnormalities in electrocardiography, and/or abnormalities in echocardiography. ResultsSARS-CoV-2-infected patients who developed cardiac complications were, on average, 10 years older than those that did not. Pooled analyses showed the development of cardiac complications from SARS-CoV-2 was significantly increased in patients with underlying chronic respiratory illness (OR 2.88[1.45,5.71]), CVD (OR 5.12[3.09,8.48]), hypertension (OR 4.37[2.99,6.39]) and diabetes mellitus (OR 2.61[1.67,4.09]). Conclusions and RelevanceOlder age and pre-existing chronic respiratory illness, CVD, hypertension, and diabetes mellitus may represent prognostic factors for the development of additional cardiac complications in COVID-19, highlighting the need for a multidisciplinary approach to chronic disease patient management and providing justification for a larger scale observational study.

COVID-19 Myocarditis and Severity Factors： An Adult Cohort Study

BackgroundNotwithstanding the clinical hallmarks of COVID-19 patients were reported, several critical issues still remain mysterious, i.e., prognostic factors for COVID-19 including extrinsic factors as viral load of SARS-CoV-2 and intrinsic factors as individuals health conditions; myocarditis incidence rate and hallmarks. MethodsDemographic, epidemiologic, radiologic and laboratory data were collected by medical record reviews of adult hospitalized patients diagnosed as COVID-19. Cycle threshold (Ct) value data of real-time PCR (RT-PCR) were collected. The time duration was from 21 January to 2 March, 2020. Pulmonary inflammation index (PII) values were used for chest CT findings. Multivariate logistic regression analysis was used to identify independent severity risk factors. RESULTSIn total, 84 hospitalized adult patients diagnosed as COVID-19 were included, including 20 severe and 64 nonsevere cases. The viral load of the severe group was significantly higher than that of the non-severe group, regardless of the Ct values for N or ORF1ab gene of virus (all p<0.05).Typical CT abnormalities was more likely existing in the severe group than in the nonsevere group in patchy shadows or ground glass opacities, consolidation, and interlobular septal thickening (all p<0.05). In addition, the PII values in the severe group was significantly higher than that in the nonsevere group (52.5 [42.5-62.5] vs 20 [5.0-31.6]; p<0.001). Amongst 84 patients, 13 patients (15.48%) were noted with abnormal electrocardiograms (ECGs) and serum myocardial enzyme levels; whereas 4 (4.8%) were clinically diagnosed as SARS-CoV-2 myocarditis. Multivariable logistic regress analysis distinguished three key independent risk factors for the severity of COVID-19, including age [OR 2.350; 95% CI (1.206 to 4.580); p=0.012], Ct value [OR 0.158; 95% CI (0.025 to 0.987); p=0.048] and PII [OR 1.912; 95% CI (1.187 to 3.079); p=0.008]. InterpretationThree key-independent risk factors of COVID-19 were identified, including age, PII, and Ct value. The Ct value is closely correlated with the severity of COVID-19, and may act as a predictor of clinical severity of COVID-19 in the early stage. SARS-CoV-2 myocarditis should be highlighted despite a relatively low incidence rate (4.8%). The oxygen pressure and blood oxygen saturation should not be neglected as closely linked with the altitude of epidemic regions. Research in contextO_ST_ABSEvidence before this studyC_ST_ABSWe searched Pubmed on March 15, 2020 using the terms ("COVID-19" OR "novel coronavirus" OR "2019 novel coronavirus" OR "2019-nCoV" OR "pneumonia" OR "coronavirus"), AND "Myocarditis" OR "Cycle threshold (Ct)" OR "Altitude". We found that one article analyzed the risk factors affecting the prognosis of adult patients with COVID-19 in terms of survivorship, without considering Ct values as extrinsic factors. Moreover, there are no reported studies on viral myocarditis caused by COVID-19 and the relationship between the altitude and COVID-19. Added value of this studyWe retrospectively analyzed the clinical data, Ct values, laboratory indicators and imaging findings of 84 adult patients with confirmed COVID-19. Three key-independent risk factors of COVID-19 were identified in our study, including age [OR 2.350; 95% CI (1.206 to 4.580); p=0.012], Ct value [OR 0.158; 95% CI (0.025 to 0.987); p=0.048] and PII [OR 1.912; 95% CI (1.187 to 3.079); p=0.008]. Amongst 84 patients, 13 patients (15.48%) were noted with abnormal electrocardiograms (ECGs) and serum myocardial enzyme levels; whereas 4 (4.8%) were clinically diagnosed as SARS-CoV-2 myocarditis. Moreover, altitude should be considered for COVID-19 severity classification, given that oxygen partial pressure and blood oxygen saturation of regional patients vary with altitudes. Implications of all the available evidenceThree key-independent risk factors of COVID-19 were identified, including age, PII, and Ct value. The Ct value is closely correlated with the severity of COVID-19, and may act as a predictor of clinical severity of COVID-19 in the early stage. SARS-CoV-2 myocarditis should be highlighted despite a relatively low incidence rate (4.8%). The oxygen pressure and blood oxygen saturation should not be neglected as closely linked with the altitude of epidemic regions.

Analysis on present situation of professional quality in free medical oriented students of different grades from Chongqing / 中华医学教育探索杂志

Objective:To understand the present situation of professional quality in free medical oriented students of different grades so as to carry out targeted education and guidance.Methods:The questionnaire survey was carried out among the 805 Grade 2012 to Grade 2016 students in Chongqing Medical University from December 2016 to January 2017. Grade data were expressed as rate and Spearman's rank correlation was performed using SPSS 17.0 for data analysis.Results:A total of 780 questionnaires were effectively collected in this survey with a recovery rate of 96.9%. Statistically significant differences were found in most items such as the students' ideological and moral quality, clinical practice skills and innovation ability ( P<0.05); no significant differences were observed in the students' theoretical learning quality as well as physical and mental quality ( P>0.05). Conclusion:We demonstrate that it’s necessary to take targeted measures for better guidance of students' professional quality through deeply analyzing the present situation of professional quality in different grade free medical oriented students

Morphological study of adrenal gland in patients with COVID-19 using multi-slice spiral CT / 中华内分泌外科杂志

Objective:To observe the size and density of adrenal gland, and the dynamic changes in patients with COVID-19.Methods:Study sample consisted of 67 patients diagnosed as COVID-19 (COVID-19 group) and 70 normal controls. COVID-19 group were divided into two groups: ordinary cases and severe cases. The CT value and thickness of adrenal gland in the control group (uni-temporal) and the COVID-19 group (multi-temporal) were measured, the CT value of adreal/erector spinae were calculated.Results:Compared with the control group, the COVID-19 group had bigger body, medial and lateral branches of bilateral adrenal gland ( P<0.05) . There was no significant difference between the CT value of adrenal/erector spinae for the two groups. Receiver operating characteristic curve analysis showed the thickness of right medial adrenal limb in detecting diffuse adrenal hyperplasia was the best (0.881) . And there was no significant difference in the CT value of adrenal/erector spinae, thickness of bilateral adrenal body, medial and lateral branches in COVID-19 group at different times. Conclusion:The bilateral adrenal glands of COVID-19 patients were slightly swollen, adrenal body, medial and lateral branches were slightly bigger than the normal adrenal glands, but the density was normal, and there were no dynamic changes during the course of the disease.

Interstitial lung disease associated with juvenile dermatomyositis / 国际儿科学杂志

Juvenile dermatomyositis is a systemic autoimmune vascular disease characterized by rash and proximal myopathy.Pulmonary complications related to this disease include interstitial lung disease, aspiration pneumonia, respiratory muscle involvement, airway involvement, pleural involvement, pulmonary hypertension and mediastinal emphysema .Interstitial lung disease is the most common pulmonary involvement in juvenile dermatomyositis, which often affects the prognosis of children.Adult myositis associated interstitial lung disease has been well described in the literature, but the description of juvenile dermatomyositis associated interstitial lung disease is still lacking.This review discusses the pathogenesis, pathological types, biological markers, diagnosis, treatment and monitoring of juvenile dermatomyositis related interstitial lung disease.

Impact of Hyperbaric Oxygen on the Healing of Bone Tissues Around Implants.

PURPOSE: The impact of hyperbaric oxygen (HBO) on the healing of bone tissues around implants was studied using an animal model. METHODS: A total of 32 beagle dogs were selected and randomly divided into the HBO group and the blank group. The dogs in the HBO group were subjected to 90 minutes of HBO therapy. X-ray, cone-beam computerized tomography imaging, implant stability quotient (ISQ) values, histological observation, quantitative analysis of bone histomorphometry, and hematoxylin-eosin (HE) and Masson staining were evaluated. RESULTS: In this study, at 4 weeks after the surgery, the mean ISQ value in the HBO group was higher than that in the blank group, and the difference had statistical significance (P < 0.05). At week 4 and 8, the mean values of bone ingrowth fraction (BIC%) and the percentage of bone area (BA%) in the HBO group were both higher than those of the blank group. Decalcified paraffin sections were stained with HE and Masson staining showed that the bone tissue around the implant in the HBO group has more osteoblasts than control group, and many irregular marrow cavities and Haversian bone plates were observed in the new bone tissue. CONCLUSION: This study showed that after implantation, early osteogenesis was better in the HBO group than in the blank group. On one hand, the healing time of the bone tissue around the implants was reduced.

Progressive Muscle Relaxation Combined with Chinese Medicine Five-Element Music on Depression for Cancer Patients: A Randomized Controlled Trial / 中国结合医学杂志

<p><b>OBJECTIVES</b>To evaluate the effects of progressive muscle relaxation training (PMRT) combined with fifive elements music therapy of Chinese medicine (CM) for improving anxiety and depression of cancer patients.</p><p><b>METHODS</b>From June 2015 to March 2016, 60 cancer patients were included into the study. The patients were randomly assigned to a control group and a treatment group by envelope randomization, receiving PMRT and PMRT plus CM five elements music therapy, respectively, for 8 weeks. Hospital Anxiety and Depression Scale (HADS), Benefit Finding Scales (BFS), Functional Assessment of Chronic Illness Therapy-Spiritual (FACIT-Sp), and Intervention Expectations Questionnaire (IEQU) were adopted to assess the depression of the two groups before and after the treatment.</p><p><b>RESULTS</b>Four cases dropped out during the study, and 29 cases in the treatment group and 27 in the control group were included in the fifinal analysis. Prior to the treatments, the baselines of the 4 questionnaires in the two groups showed no difference. After the 8-week treatment, the treatment group presented better levels of HADS, BFS and FACIT-Sp scores compared with the control group (P<0.05). Among the single items of HADS, 4 items involving vexation, feeling fifidgeted, pleasure and prospecting the future in the treatment group were improved compared with the control group (P<0.05).</p><p><b>CONCLUSIONS</b>As a simple and reliable and effective intervention, PMRT combined with fifive elements music therapy mitigated anxiety and depression of cancer patients. Cancer patients have been found to respond well to psychological intervention in areas regarding stabilisation of emotions, disease awareness, and therapeutic compliance. This brings about a great difference in improving their quality of life and psychological state, offers an effective approach to better self-management in cancer treatment.</p>

miR-93-5p Transferred by Exosomes Promotes the Proliferation of Esophageal Cancer Cells via Intercellular Communication by Targeting PTEN / 生物医学与环境科学（英文）

<p><b>OBJECTIVE</b>To investigate the relationship between plasma miR-93-5p and the risk of esophageal cancer, as well as the influence of miR-93-5p on the biological function of esophageal cancer cells, exerted through exosomes.</p><p><b>METHODS</b>The expression of plasma miR-93-5p in esophageal cancer patients and healthy controls was analysed by real-time quantitative PCR. The influence of miR-93-5p on the risk and prognosis of esophageal carcinoma was analyzed by conditional logistic regression and survival analysis. The effect of miR-93-5p on the biological function of recipient cells was investigated by establishing an in vitro donor cell co-culture model. The target gene of miR-93-5p was validated by luciferase reporter assay and Western Blotting.</p><p><b>RESULTS</b>Upregulation of plasma miR-93-5p expression significantly increases the risk of esophageal cancer and is associated with poor prognosis. miR-93-5p transferred by exosomes promotes the proliferation of recipient esophageal cancer cells and affects the expression of PTEN and its downstream proteins p21 and cyclin D1.</p><p><b>CONCLUSION</b>Our study provides a reference for the identification of biomarkers for the diagnosis and prognosis of esophageal cancer.</p>

The Enlightenment of Behavioral Economics to Health Policy: Application, Evaluation and Prospect / 中国卫生经济

Based on the research of individual’s behavior patterns, behavioral economics provided new perspectives and methods for the formulation of public policies. The nudge policies, based on the bounded rationality, framing effect, heuristics and limited willpower theory, had achieved good policy result in the medical insurance policy process optimization and health insurance behavior promotion, increase in organ donation rate, health education propaganda and health behavioral interventions. The nudge in the health policy might bring about failure to enhance individual utility, excessive nudge, lack of cost-effectiveness analysis and ethical issues. Formulated behavioral laws and experimental research in the field of health care were the future direction of development.

Analysis on blood-borne occupational exposure monitoring among medical staffs / 国际检验医学杂志

Objective To investigate the blood-borne occupational exposure situation of medical staffs and to analyze its risk factors in order to provide a basis for working out the protective measures of medical staffs and risk evaluation .Methods The monitoring data of medical staffs with blood-borne occupational exposure in our hospital from January 2013 to December 2015 were retrospectively analyzed for understanding the occupational exposure risk factors of medical staffs ,exposure sources ,preventive drugs , regular check-up and follow-up situation as well as the relationship between the occupational protection training and the occupational exposure occurrence rate .Results Females among occupational exposure persons were more than males during 2013-2015 ,nurses were more than doctors ,which were dominated by persons under 30 years old .The occupational exposure links were mainly pulling out needle ,followed by operation suture and medical wastes handling ;the occupational exposure mainly occurred at morning , followed by afternoon ,night was minimal .The occupational exposure occurrence rate after protection training was significantly lower than that before training ,the difference was statistically significant(P＜0 .01) .The exposure sources were in turn hepatitis B , syphilis ,AIDS and hepatitis C .No infection case occurred after 6-12 months regular check-ups and follow-up of serology and virology .Conclusion Conducting the occupational protection training for medical staffs ,strictly complying with the medical procedures and increasing the safety protective awareness can reduce the occurrence of occupational exposure and are conducive to control the occupational risk .

Relations between Relieving Depression and Benefit Findings for Advanced Cancer Patients / 世界科学技术-中医药现代化

This study was aimed to discuss the relations between relieving depression and benefit findings for advanced cancer patients.A total of 80 advanced cancer patients with the anxiety / depression assessment of more than 7 points and less than 15 points,were randomly divided into the intervention group and the control group,in comprehensive hospitals.Finally,76 cases were included with 39 cases in the intervention group,and 37 cases in the control group.The progressive muscle relaxation training (PMRT) was used in the control group.Traditional Chinese medicine (TCM) special technique (i.e.,TCM five-element musicotherapy plus PMRT) was used in the intervention group.The reduced fraction of the Benefit Finding Scale (BFS) and the Hospital Anxiety and Depression Scale (HADS) were used in the effect evaluation after 8-week intervention.The results showed that after 8-week treatment,the reduced fractions of BFS and HADS in the intervention group were obviously higher than the control group with statistical significance.The variation tendencies of BFS and HADS in the intervention group were obviously higher than the control group with statistical significance.There were 8 individual values in BFS of the intervention group were higher than the control group with statistical significance.It was concluded that the benefit findings for advanced cancer patients were related to the application of TCM special techniques,can improve the levels of benefit findings among advanced cancer patients.It enriched and perfected the depression regulation plan of cancer patients by TCM special techniques.

Preparation and application of aminophyllin electrochemical sensor based on molecularly imprinting technique / 军事医学

Objective To establish a method for detection of aminophylline in blood samples of preterm infants . Methods A molecularly imprinted electrochemical sensing film on the glassy carbon electrode surface was prepared by electropolymerization using aminophylline as the template molecule and pyrrole as the functional monomer in 0.2 mol/L HAc-NaAc buffer solution ( pH 4.0).The surface morphology and properties of molecularly imprinted sensing films were characterized by three dimensional laser scanning microscopy , differential pulse voltammetry ( DPV) and electrochemical impedance spectroscopy ( EIS) while the effects of scanning cycle number and incubation time were investigated by square wave voltammetry(SWV) method in 5 mmol/L K3[Fe(CN)6] -0.1 mol/L KCl solution.Results Under optimized experimental conditions ,the SWV peak current difference was linear to the negative logarithm of aminophylline concentration in the range from 1.0 ×10 -7 to 1.0 ×10 -3mol/L with a detection limit (S/N=3) of 0.5 ×10 -8mol/L.The recovery rate was 92.2% -101.4%.Also, the molecularly imprinted electrochemical sensor for aminophylline had good selectivity , stability and reproducibility .Conclusion The molecularly imprinted electrochemical sensor for aminophylline can be used for rapid and accurate detection of clinical blood concentrations of aminophylline molecules in preterm infants in the future .

A simple microfluidic chip technology for assaying electrotaxis of cancer cells / 军事医学

Objective To develop a simple microfluidic chip technology for analyzing the electrotaxis of cancer cells . Methods The basic structure of the proposed microfluidic electrotaxis chip included a straight microchannel and liquid storage pools located on both sides of the microchannel .Two platinum electrodes were inserted into the liquid pools to create a controllable direct current ( DC ) field in the microchannel .The distribution and strength of the DC field in the microchannel was analyzed by the finite element analysis software COMSOL multiphysics and experiment tests .Finally, the electrotactic behavior of the rhabdomyosarcoma RD cells in the DC field of different strength was characterized using the accumulated distance, average velocity, x forward migration index ( xFMI) and y forward migration index ( yFMI) as quantitative parameters.Results The results of element analysis and experiments showed that the structure of the designed microfluidic electrotaxis chip was able to guarantee a uniform and strength-controllable DC field in the microchannel .The experiment of cell electrotaxis showed that the RD cells migrated toward the anode of the DC field .Meanwhile , the values of xFMI and accumulated distance for RD cells increased with the enlargement of the DC field , with the strength ranging from 188 to 1320 V/m.Conclusion The microfluidic chip technology developed in this paper for assaying the electrotaxis of cancer cells is simple and easily implementable , and it can be used for studies of the electrotactic behavior and underlying mechanisms of various cancer cells and normal cells in the future .