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ObjectiveTo investigate the social support status and influencing factors of schizophrenics in remission in Northeast Sichuan， and to provide ideas for improving their social support. MethodsFrom May to September 2020， a total of 533 patients who met the diagnosis criteria of the International Classification of Diseases， tenth edition （ICD-10） for schizophrenics in remission at the mental health institutions in Guangyuan， Bazhong and Dazhou cities were selected for the survey， and patients were assessed by self-made demographic and clinical data inventory and Social Support Rating Scale （SSRS）. Then the social support status of schizophrenic in remission and influencing factors were analyzed， meantime， the impact of the second round reimbursement policy of medical insurance benefits on their social support was addressed particularly. Results①The SSRS total score， objective support， subjective support， and utilization of support scores of schizophrenics in remission were lower than those of the national norm （t=5.065~30.382， P<0.01）. ②Univariate analysis showed that SSRS score was relatively high among patients with female gender （t=-3.632）， retired status （F=5.951）， married status （F=5.951）， spouse as primary caregiver （F=23.841）， annual household income >5 000 yuan （F=15.892）， patient's economic income （t=4.083）， and outpatient or online follow-up （F=3.954）， with statistically significant differences （P<0.05 or 0.01）. ③The total and dimensional scores of SSRS in patients with access to the second round medical insurance reimbursement were significantly higher than those without （t=10.195~25.103， P<0.01）. ④Multiple linear regression analysis denoted that gender， work status， marital status， primary caregivers， annual family income， economic income， follow-up visits and the second round medical insurance reimbursement were the factors influencing social support status of schizophrenics in remission （β=0.201~2.115， P<0.05 or 0.01）. ConclusionThe social support of schizophrenics in remission in Northeast Sichuan is below the national average， furthermore， their social support levels are affected by the gender， work status， marital status， primary caregivers， annual family income， economic income， follow-up visits and the second round medical insurance reimbursement， and the second round medical insurance reimbursement may ameliorate the social support status of patients.
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ObjectiveTo investigate the current status of psychosocial services in various institutions as well as the mental health status of residents in Northeast Sichuan， so as to provide references for the further construction and implementation of psychosocial services in this area. MethodsA total of 148 institutions in Tongjiang county of Bazhong city， Lizhou district of Guangyuan city and Dazhu county of Dazhou city were surveyed through self-compiled questionnaires covering the construction status of psychosocial service system and the implementation of mental health service in each institution. Meantime， the mental health status and psychological service needs of 21 505 residents in pilot areas of three cities were investigated using the Patients' Health Questionnaire Depression Scale-9 item （PHQ-9）， Generalized Anxiety Disorder Scale-7 item （GAD-7） and the self-designed mental health service needs questionnaire. ResultsAmong the 148 institutions in the pilot areas， 81 （54.7%） of which had dedicated mental health service， and 58 （39.2%） were equipped with full-time or part-time mental health service personnel. In 2019， 95 （64.2%） institutions conducted mental health services for employees， and 104 （70.3%） conducted mental health propaganda activities. Of the 75 educational institutions， 67 （89.3%） conducted mental health education for students， and 47 （62.7%） achieved full coverage of the mental health education curriculum among students. The detection rates of depression and anxiety among the residents were 36.8% and 30.8%， respectively， and 83.7% of the residents had the mental health service needs， mainly in the aspects of personal growth， marriage and family， children's education and stress management. ConclusionThe psychosocial services in the pilot areas of the three cities in northeast Sichuan are well conducted， while the guarantee of workplace， funds and personnel remains to further strengthen. Furthermore， residents have prominent emotional problems such as depression and anxiety， and have a high demand for mental health services.
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Objectives:The aim of this study was to observe whether transthoracic pulmonary artery denervation (TPADN) could reduce the pulmonary arterial pressure and attenuate pulmonary vascular remodeling in rats with pulmonary arterial hypertension induced by monocrotaline. Methods:Twenty-four healthy male SD rats were randomly divided into control group, sham operation group and operation group (n=8 per group). Rats in sham operation group and operation group received single subcutaneous injection of monocrotaline (MCT, 60 mg/kg). After four weeks, the mean pulmonary arterial pressure (mPAP) and other hemodynamic parameters were measured with the right heart catheter in rats of these two groups. Then, operation group received the surgery of TPADN, which included thoracotomy in left 2-3 rib, exposing pulmonary artery, and removing the near connective tissue of the pulmonary artery trunk. After two weeks of operation, the mPAP and other hemodynamic parameters were measured again by the right heart catheter. The microstructure changes of the heart and pulmonary vessels was observed by immunohistochemistry and immunofluorescence. Meanwhile, RV cardiomyocyte cross-sectional area (CSA) and the right hearthy pertrophy index (RVHI= RV/[LV+S]) were used to evaluate the degree of right ventricular hypertrophy. Results:After four weeks of injection of MCT, the mPAP was significantly higher in the operation group and the sham operation group than in control group (P＜0.01). Two weeks after the surgery of TPADN, the mPAP was significantly reduced in the operation group than compared in the sham group(P＜0.01). Meanwhile, the percentage of medial thickness to outer diameter of the small pulmonary arterioles, right ventricular myocardial cell cross-sectional area and RVHI were also significantly decreased in the operation group compared to sham operation group(all P＜0.01). Conclusions:Our results show that TPADN could reduce the mean pulmonary arterial pressure and attenuate the hypertrophy of medial thickness of small pulmonary arterioles and of right ventricle in PAH rats induced by monocrotaline.
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Purpose To investigate the clinical pathology significance of epithelial cellular adhesion molecule (EpCAM, CD326) expression in colorectal carcinoma cells. Methods Flow cytometry and immunofluorescence assay were used to detect EpCAM expression in 55 cases of fresh colorectal cancer tissues and adjacent normal mucosa. The percentage of positive cells (PPC) and mean fluorescence index (MFI) were calculated. Correlation of EpCAM expression with DNA ploidy change and its value were investigated in the early diagnosis of colorectal cancer. Results The values of PPC and MFI were significantly higher in colorectal carcinoma tissue than that in the normal colorectal tissue [(PPC: (83.48 ± 7.07)％ vs (43.56±5.29)％, t =39.22, P＜0.001. MFI: 28.90(19.60-45.89) vs4.89(3.79-6.28), Z=-6.45, P＜0.001) ]. There were also significant differences (P＜0.01) in the values of PPC and MFI between invasive type and ulcer types, between well-and moderately-differentiated and poorly-differentiated cancers, between Dukes stages A + B and C + D, (between pTNM stages I+ II and III + IV, between pTl + T2 and pT3 + T4, and between pNO and pNl. DNA content analysis showed that DNA polyploid was detected in 39 of 55 colorectal carcinoma (70.90％ ). The DNA index (DI) and ploid were correlated with differentiation degree and Dukes stages, but uncorrelated with lymph node metastasis. At the same time, in the EpCAM positive cases, DI was increased with increased expression of EpCAM (r = 0.668, P =0.000) and the proliferation index of cells in S phase ratio(Sphase fraction, SPF) (r1 =0.664, P1 =0.000, r2 =0.651, P2 = 0.000 ). Conclusion EpCAM expression is obviously upregulated in colorectal carcinoma, and it is closely correlated with the invasion, metastasis and proliferation of tumor cells. The combination of EpCAM expression and DNA content analysis provides references to the early diagnosis and prognosis evaluation in colorectal carcinoma.
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Objective To explore the application of Duff in treatment for patients with early stage threat ened abortion.Method 1000 patients with early stage threatened abortion admitted from Jan.2015 to Jun.2016 were selected,and were divided into two groups.All patients were treated by conventional therapy and Duff therapy.Treatment effects of the two groups were observed and compared.Results The differences of clinical characteristics between the two groups had no statistical significance (all P＞0.05).No serious adverse reactions oc curred to either group.There was no significant difference in remission and disappearance time of clinical symptoms between the two groups (t=0.334,0.367,all P＞0.05).The total treatment efficiency was higher in the observation group than in the control group,but the differences had no statistical significance (x2=0.058,/P＞0.05).Conclusion There is a certain application value of Duff treatment for early stage threatened abortion,which is safe,efficient,and convenient,worthy of promotion.
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Based on the summary information of 194 literatures of related fields in CNKI,the paper analyzes the overall development trend,main branches,and mature research topics of the building of health information management textbooks in China since the 21st century,reveals the existing problems at present,and puts forward the basic orientation and thinking of textbooks building in the current phase.
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Objective Through retrospective analysis of the causes of organ damage after in vitro fertilization embryo transfer,we put forward targeted prevention and take corresponding nursing measures to promote the prognosis of patients. Methods Selected 14 patients who suffered from organ damage after paracentes is in vitro fertilization and embryo transfer in our hospital.The causes were analyzed,and the treatment and nursing protocols were determined according to the kind and severity of the injured organs. Results 14 cases of organ injury patients with treatment and nursing gauze to stop bleeding, antibiotics, conservative treatment, hemostatic anti shock, indwelling catheter bladder irrigation, ureteral catheter and surgery were given symptomatic, were cured, hospitalization time was 3- 10 days. Conclusions The reasons for such patients, clinical observation and analysis of nursing treatment, let clinical nurses accumulate nursing experience in such patients, can timely take corresponding nursing measures,In order to improve the related nursing level of assisted reproductive technology.
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A new approach based on online coupled liquid chromatography-gas chromatography-mass spectrometry ( LC-GC / MS ) was developed for the rapid determination of 4-( methylnitrosamino )-1-( 3-pyridyl)-1-butanone (NNK) in mainstream cigarette smoke, in which a switching valve was employed to online switching between two-dimensional chromatography. The online LC-GC / MS system used in this study was built by using online gel permeation chromatography-gas chromatography-mass spectrometry except that the micro gel column was replaced by micro alkaline alumina column which was prepared by ourselves before. The NNK in mainstream cigarette smoke was collected by a Cambridge filter pad, then the pad was extracted with dichloromethane, and the extract was quantitatively analyzed by online LC-GC / MS with D4-NNK as an internal standard. Online LC-GC / MS allowed online pretreatment purification, and the sample was subjected to online LC-GC / MS without any prior purification, which reduced human error in analysis process. The injection volume of the present online LC-GC / MS could reach 40 μL, which was 20 times of that of the conventional GC / MS (2. 0 μL of injection volume), and thus significantly improved the sensitivity. Under the optimum conditions, good linearity ( r = 0. 9998) was obtained over the range of 1. 2 - 120 ng / mL. The recoveries at three spiked levels ranged from 93. 9% to 96. 0% , and the limits of detection for qualitative and quantitative detection were 0. 25 ng / mL and 0. 9 ng / mL, respectively. All the results obtained by the present method are comparable to those of standard method recommend by China National Tobacco Company.
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This study is to study is to investigate the coumarins from Fruit of Cnidium monnieri and their cytotoxic activities. The constituents were separated by column chromatography, and their structures were elucidated by spectroscopic data analyses. The isolated compounds were evaluated for their cytoxic activities by MTT method. Eleven compounds were isolated and identified as osthole (1), bergaptan (2), xanthotoxol (3), xanthotoxin (4), imperatorin (5), isopimpinellin (6), osthenol (7), psoralen (8), 5,7-dimethoxycoumarin (9), oxypeucedaninhydrate (10), and swietenocoumarin F (11). Compounds 7, 9-11 were isolated from the Cnidium genus for the first time. Compounds 1,5,10 and 11 showed significant cytotoxic activities against L1210 cell lines at a concentration of 1 x 10(-5) mol x L(-1) with inhibitory rates of were 70.13, 63.10, 55.77, and 75.08% respectively.
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Animais , Camundongos , Linhagem Celular Tumoral , Proliferação de Células , Cnidium , Química , Toxicidade , Cumarínicos , Química , Toxicidade , Medicamentos de Ervas Chinesas , Química , Toxicidade , Frutas , Química , Toxicidade , Estrutura MolecularRESUMO
This research is to investigate study the flavonoids from stems of Nelumbo nucifera and the cytotoxic activities of iso- lated compounds. The constituents were separated by column chromatography,and their structures were elucidated by spectroscopic data analyses. The isolated compounds were evaluated for cytoxic activities by MTT method. Twelve compounds were isolated and identified as rhamnazin-3-O-beta-D-glucopyranoside (1), luteolin-3', 4'-dimethylether-7-O-beta-D-glucoside (2), kaempferol-3-O-beta-D-xylopyranosyl-(1-->2)-O-beta-D-glucopyranoside (3), quercetin-3,3'-di-O-beta-D-glucopyranoside (4), 1, 8-dihydroxy-3,7-dimethoxyxanthone (5), isorhamnetin-3-O-beta-D-glucopyranoside(6) , kaempferol(7), isorhamnetin (8), quercetin(9), astragalin(10), hyperoside (11) and 1-hy- droxy-3,7,8-trimethoxyxanthone(12). All compounds were isolated from stems of this plant for the first time, and compounds 1-5 were firstly isolated from the family nelumbonaceae. Compounds 24 and 6 showed significant cytotoxic activities against BEL-7402 carcinoma cell lines at a concentration of 1 x 10(-5) mol x L(-1) with the inhibitory rate of 67.36%, 53.25%, 57.78%, 60.13% and 52.11%, respectively.
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Humanos , Linhagem Celular Tumoral , Flavonoides , Química , Farmacologia , Nelumbo , Química , Extratos Vegetais , Química , Farmacologia , Caules de Planta , QuímicaRESUMO
The macroporous resin separation technology has been mainly applied in the enrichment of saponins, flavonoids, alkaloids and other ingredients, and used in the removal of heavy metal impurities and pesticide residues in recent years. This paper focuses on the synthesis of the new-type macroporous adsorption resin LKS-11 according to the molecular structure characteristics of procymidone. Specifically, the selective absorptive property and other advantages of macroporous resin were utilized to analyze the procymidone removal efficiency in ginseng extracts from different sources. The type of macroporous resins, absorptive property and desorption conditions were observed respectively by static and dynamic adsorption methods to determined the optimum process conditions. According to the results, LKS-11 showed a good absorptive property to procymidone in ginseng extracts and provided a theoretical basis for studies on the removal of procymidone residues from ginseng extracts by using macroporous adsorption resin. Because of no secondary pollution on samples, low production and operation costs, high procymidone removal efficiency and high product recovery rate, this method is suitable to be applied in production.
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Adsorção , Compostos Bicíclicos com Pontes , Química , Cromatografia , Métodos , Contaminação de Medicamentos , Resíduos de Drogas , Química , Fungicidas Industriais , Química , Panax , Química , Extratos Vegetais , Química , Porosidade , Resinas Sintéticas , QuímicaRESUMO
Abstract Ten compounds were isolated from the stems of Viburnum plicatum Thunb.vat.tomentosum Miq.and were identified as 3,4,5-trimethoxyphenyl-l-O-β-D-glucopyranoside (1),isotachioside (2),tachioside (3),koaburaside (4),glucosyringic acid (5),lupeol (6),ursolic acid (7),chlorogenic acid (8),5-O-caffeoyl quinic acid butyl ester (9),and tricin-7-O-β-D-glucoside (10),respectively.Compounds 1-10 were isolated from this plant for the first time.
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<p><b>OBJECTIVE</b>To study the effects of HKL-4 on physiological changes during growth of leaves.</p><p><b>METHOD</b>Using licorice (Glycyrrhiza uralensis) as material, the effects of HKL-4 on active oxygen metabolism and photochemical efficiency in licorice leaf were determined under field condition.</p><p><b>RESULT AND CONCLUSION</b>The contents of chlorophyll, activity of SOD and CAT increased, while the MDA contents in leaves decreased. The senescence was delayed, so that the photochemical efficiency (Fv/Fm) was increasing comparing to the control.</p>