Prevalence and influencing factors of behavioral problems among adolescents aged 12-16 years in Guizhou Province / 中国学校卫生

Objective@#To explore the current status related to behavioral problems among children and adolescents aged 12-16 years old in Guizhou Province, China, and to provide a reference for timely prevention and intervention measures.@*Methods@#To capture different economic development levels, a multistage stratified cluster sampling method was used. A total of 3 217 children and adolescents aged 12-16 years old from six middle schools and six primary schools in Guiyang, Duyun, Kaili City from Guizhou Province participated in this study. The Achenbach Child Behavior Checklist (CBCL) and a self designed questionnaire were administered between August and December 2021.@*Results@#The overall detection rate of behavioral problems among the students was 16.60% , and the rate was 14.41% and 18.62% among male and female students, respectively. The results of the Logistic regression analysis showed that good peer relationships ( OR=0.25, 0.16, P <0.05) were associated with a lower risk of behavioral problems in children and adolescents. However, the following factors were associated with an elevated risk of behavioral problems: nonparents as the main caregivers( OR = 1.44 ); children s daily screen time was 1-2 h ( OR =1.47) or more than 2 h( OR =2.75); children who had no sports hobbies( OR = 1.36); father parenting for doting or neglect( OR =1.85, 2.01); maternal parenting for doting( OR = 2.12 ); father had bad life habits( OR =1.69); father and mother were occasionally sick( OR =1.30, 1.38)( P <0.05).@*Conclusion@#Behavioral problems among children and adolescents in Guizhou Province is related to children s unhealthy living habits and various factors in the family environment. It is suggested that families, schools and relevant functional departments give full play to their own advantages and take comprehensive measures to prevent the occurrence of behavioral problems among children and adolescents.

Atypical magnetic resonance imaging findings, misdiagnosis analysis and functional imaging value of primary central nervous system lymphoma / 中国医师杂志

Objective:To observe and analyze the atypical magnetic resonance imaging (MRI) findings and misdiagnosis reasons of primary central nervous system lymphoma (PCNSL), and to explore the value of conventional MRI signs combined with minimum apparent diffusion coefficient value (ADCmin) and imaging features of magnetic resonance spectroscopy (MRS) in the diagnosis and differentiation of atypical PCNSL.Methods:The clinical and imaging data of 15 patients with atypical PCNSL confirmed by clinical and pathological findings from Lianyungang Second People′s Hospital and the Affiliated Hospital of Xuzhou Medical University from January 2015 to December 2020 was collected. All cases were examined by plain MRI, enhanced and diffusion weighted imaging (DWI), and 3 cases were examined by MRS. The conventional MRI features, DWI signal features and MRS imaging features of 15 cases of atypical PCNSL were observed and analyzed, and the MRI findings of atypical PCNSL and the causes of misdiagnosis were summarized and analyzed. The ADCmin of tumor parenchyma, the mean ADC values of proximal peritumor, distal peritumor and contralateral white matter were detected and compared to explore the variation rules of ADC values in different regions.Results:Of the 15 cases of PCNSL, 14 cases were single and 1 case was multiple, with a total of 21 lesions. (1) Single lesions in rare sites: 4 cases in the superficial part of the brain, 1 case in the bridge arm, 1 case in the cerebellar hemisphere, 1 case in the suprasellar saddle, and 1 case in the third ventricle. (2) Atypical MRI findings: cystic degeneration or necrosis in 5 lesions (5/21), accompanied by hemorrhage in 1 lesion (1/21); There were 3 isosensitive lesions on DWI, and isosensitive lesions on ADC false color images. There were 5 ring enhancement lesions and 3 sheet enhancement lesions. (3) Multi-center growth pattern: 1 case with a total of 7 lesions, located in the right thalamus, basal ganglia and corona radiata, showing multiple nodules and ring enhancement. 1H-MRS examination showed that choline (Cho) peak increased, creatine (Cr) peak decreased, N-acetyl aspartate (NAA) peak decreased, and obvious Lip peak appeared in all the 3 cases with single lesions. 2 cases showed high Lip peak as the first peak. The ADCmin values of tumor parenchyma, proximal peritumor, distal peritumor and contralateral white matter showed a parabola pattern of first rise and then decline, as follows: (0.54±0.06)×10 -3 mm 2/s, (1.55±0.10)×10 -3 mm 2/s, (1.45±0.09)×10 -3 mm 2/s, (0.85±0.03)×10 -3 mm 2/s, overall difference was statistically significant ( F=630.570, P<0.001). The pairwise comparison was statistically significant (all P<0.05). Conclusions:Atypical PCNSL is easy to be misdiagnosed. Conventional MRI feature analysis combined with DWI and MRS imaging features and comparison of ADC values in different tumor areas are helpful for the diagnosis and differentiation of PCNSL and are expected to improve diagnostic accuracy.

MRI in differential diagnosis of primary central nervous system lymphoma and high grade glioma in deep brain / 中国介入影像与治疗学

Objective To explore the value of MRI in differential diagnosis of primary central nervous system lymphoma (PCNSL) and high grade glioma (HGG) in deep brain.Methods Features of routine MRI and DWI of 28 PCNSL (PCNSL group) and 30 HGG patients (HGG group) with single lesion in deep brain confirmed clinically and pathologically were analyzed,then apparent diffusion coefficient (ADC) and relative ADC (rADC) were measured.The optimal diagnostic threshold (OT) and diagnostic performance of ADC and rADC values were calculated according to the ROC curve.Results The incidence of capsule,necrosis,hemorrhage,enhancement heterogeneity and DWI signal strength were significantly different between the two groups (all P＜0.05).ADC values were statistically different between lesions and the control side of the brain white matter in PCNSL and HGG patients (both P＜0.001).ADC values and rADC values of PCNSL lesions were significantly lower than those of HGG lesions (all P＜0.001).Taking ADC=0.86 × 10-3 mm2/s as a threshold,the sensitivity,specificity and accuracy in differential diagnosis of PCNSL and HGG was 92.9％,80.0％ and 86.2％,respectively,and the area under curve was 0.946 (P＜ 0.001).Taking rADC =1.02 as a threshold,the sensitivity,specificity and accuracy in differential diagnosis of PCNSL and HGG was 92.9％,86.7％ and 89.7％,respectively,and the area under curve was 0.957 (P＜0.001).Conclusion MRI differential diagnosis can provide reliable information for clinical treatment of PCNSL and HGG in deep brain.

Quantitative evaluation of changes in carotid plaques during drug treatment using three-dimensional ultrasound gray scale median / 中华超声影像学杂志

Objective To explore the value of three-dimensional ultrasound (3D-US) gray scale median (GSM) in quantitative evaluation of the drug treatment of carotid plaques.Methods Eighty-one patients with 93 carotid plaques were enrolled from May 2015 to October 2015.Patients were received 3D-US,3.0T MRI and blood lipid examination including total cholesterol(TC),triglyceride (TG),low-density lipoprotein cholesterol (LDL-C),and high-density lipoprotein cholesterol(HDL-C) before drug treatment.After atorvastatin therapy with a daily dose of 20mg for 6-12 months,3D-US and blood lipid examination were repeated,and 55 patients were followed successfully with a total of 62 plaques obtained.According to data acquired by MRI and 3D-US before treatment,the patients were divided into low-risk group,medium risk group,and high-risk group.The differences of GSM value and blood lipid levels were compared among groups and the changes of these parameters before and after the treatment in each group were compared.Results There was no significantly difference in serum TC,TG,LDL-C and HDL-C levels among the groups before treatment.After treatment,the serum TC and LDL-C levels were significantly lower than those before(P ＜0.05),the differences of TG and HDL-C levels were not significant,and the LDL-C level in high-risk group was significantly lower than those in other groups(P ＜0.05).The GSM values in of high-risk and medium-risk group were significantly increased after drug treatment than those of before (33.87 ± 6.53 vs 27.50 ± 7.82,47.35 ± 5.42 vs 44.56 ± 4.36,P ＜0.05),and had no significantly change in low risk group(62.01 ± 10.68 vs 63.13 ± 10.41,P ＞0.05).The difference of GSM between before and after treatment in each group was negatively correlated with the difference of LDL-C (r =-0.28,P =0.03).Conclusions Three-Dimensional ultrasound (3D-US) gray scale median (GSM) can be a reliable parameter in clinic quantitative evaluation drug treatment of carotid plaques,and has a better value especially for high-risk and medium-risk plaques.

Quantitative evaluation of carotid plaque vulnerability by using GSM based on three dimensional ultrasound / 中华医学超声杂志（电子版）

Objective To quantitatively evaluate the vulnerability of carotid plaques in patients with acute ischemic cerebral infarction by using Gray-scale median (GSM) based on Three-dimensional ultrasound (3D-US).Methods Totally 207 patients were examined with carotid plaques in the PLA Army General Hospital from December 2015 to August 2016,including 102 patients with acute cerebralischemic stroke (cerebral infarction group) and 105 patients without cerebral infarction (control group).The Vascular plaque quantification (VPQ) software was applied to acquire GSM value of carotid plaques automatically.Results The GSM value of carotid plaques in cerebral infarction group was significantly lower than that in control group (44.78± 11.58 vs 54.36± 11.99,t=7.70,P ＜ 0.01),and the low density lipoprotein in the cerebral infarction group was significantly higher than that in the control group [(3.51 ± 1.20) mmol/L vs (3.10± 1.07) mmol/L,t=1.58,P ＜ 0.05].There was no significant difference between the two groups in age,gender,body mass index,smoking,drinking,history of diabetes,history of hypertension,systolic blood pressure,diastolic blood pressure,triglyceride,total cholesterol,high density lipoprotein,plaque thickness,plaque area stenosis rate and plaque volume (all P ＞ 0.05).Conclusion The GSM value of carotid plaques based on 3D-US-VPQ technology can effectively reflect the vulnerability of carotid plaques,and may be valuable in the risk assessment of carotid plaques.

The application of yunnan baiyao in the newborn umbilical plexus healing / 中国基层医药

Objective Discussing the role of Yunnan baiyao in the newborn umbilical cord.Methods 120 cases newborns were selected and randomly divided into the control group of 60cases and the observation group of 60 cases according to birth order.The two kinds of newborns were both used single valve care,and were disinfected with 75%alcohol twice a day,Newborns of the observation group were dipped in Yunnan baiyao cream which was taken 75%alcohol to apply the root of umbilical and around after each nursing time.Observed the umbilical cord healing of two groups of newborns and take notes.Results In the observation group newborns,umbilical cord on the drying time [(3.1 ±1.1)d]and off time[(6.6 ±1.8)d]were better than the control group[(3.1 ±1.1)d,(8.0 ±3.2)d](t =7.8,2.95,all P <0.05);6 cases occurred redness and swelling around the belly button,2 cases occurred hemor-rhage,17 cases occurred secretions.which were better than that in control group(18 cases,6 cases,35 cases).The statistical analysis showed significant difference in the data of the two groups.Conclusion Yunnan baiyao can promote healing of umbilical cord,it should be popularize in clinical use.

Different methods treatment for intertrochanter fracture of femur / 国际外科学杂志

Objective Probe into different method safe and effective fixation method,clinical result and cliniical to indications of different treatments in intertrochanter fracture of femur in the old elderly.Methods Adopting the femur near end dissecting type to lock the stencil plate fixation 14 of 58 cases of old intertrochanter fracture of femur separately.the hip screw of motive force(DHS) fixation was used in 24,femur near end stencil plate fixation in 20,and the blood loss,operation time,ossicle split off situation and fracture heal time were compared among the three groups.Sanders grade results and complications were followed up.Results Postoperative follow up Was done in all patients,from 8 months to 3 years,averaged 1.5 years.three groups of skill type fine rate of the three groups being 92.9%,92%,90%respectively.Conclusions Different methods showed good clinical results in treating the old intertrochanter fracture of femur,each having its indications.Operation should be done should follow based on fracture type,age,physique factors and patient's osteoporosis intensity,choosing the best healing solution by characteristics of intermal flxation while each combining.The hook board(ALHP)is suitable for old patients with serious osteoporosis,DHS for Evans Ⅰ,Ⅱ types and some Evans Ⅲ type,and femur near end dissecting type stencil plate for Ⅳ and Ⅴ types fractures.

The clinical research of using three-dimensional conformal radiotherapy combining with Sanyangxuedai in treating advanced non-small cell lung cancer / 国际中医中药杂志

Objective To investigate the clinic effect of using three-dimensional conformal radiotherapy combining with Sanyangxuedai in treating advanced non-small cell lung cancer.Methods Grouping 100 patients with advanced non-small cell lung cancer randomly into a control group and a treatment group,with 50 patients in each.The control group was treated with three-dimensional conformal radiation therapy,the treatment group was treated on the basis of the control group with a ioint Sanyangxuedai.The clinical effects were compared in the two groups.Results The three-dimensional conformal radiotherapy combining with Sanyangxuedai had more better treating indications than using three-dimensional conformal radiotherapy only and the results had statistical significances(χ~2=12.01,P＜0.05).Conclusion The three-dimensional conformal radiotherapy combining with Sanyangxuedai had beaer clinical efrect in treating advanced non-small cell lung cancer.

Biotransformation of daidzein by resting cell system of bacterial strain isolated from bovine rumen gastric juice / 生物工程学报

In previous study we isolated a gram-positive bacterial strain, designated Niu-O16, from bovine rumen gastric juice. The growing cells of bacterial strain Niu-O16 is capable of biotransforming isoflavone daidzein into dihydrodaidzein efficiently under anaerobic conditions. In this study we investigated the optimal bioconversion conditions for the resting cells of bacterial strain Niu-O16 to convert daidzein into dihydrodaidzein. Single factor test showed that the optimal conditions for the initial pH of phosphate buffer, the concentration of the resting cell and the concentration of the substrate daidzein were 6.0-8.0, 32-64 mg/mL (wet weight) and 0.8-1.2 mmol/L, respectively. Orthogonal experiments were used to determine the optimal combination of the resting cell concentration, substrate concentration and biotransformation time. The results showed that the optimal combination included resting cell concentration 32 mg/mL, substrate concentration 0.8 mmol/L and the biotransformation time 24 h. Furthermore, the biotransformation kinetics under optimal conditions were studied, under which conditions the highest bioconversion rate was 63.9% in the resting cell system. The results might provide information for resting cell biotransforming of anaerobes as well as its industrial application.

Feasibility of planting sweet sorghum in sugarcane region to prolong milling duration for bioethanol production / 生物工程学报

In order to explore the feasibility of planting sweet sorghum in sugarcane growing area to prolong milling duration for bioethanol production, 15 varieties were sown monthly from March to September in Liuzhou of Central Guangxi Zhuang Autonomous Region. Yields of fresh stem, grain and leave were documented. The results showed that all varieties grew well when sown from March to August, but could not get mature when sown after late September. The high fresh stem yields were observed for the varieties Sart and PT3-S, 79.28 t/hm2 and 78.58 t/hm2 for single growing season, and 157.95 t/hm2 and 155.25 t/hm2 for two growing seasons. Ripening began from the end of June to late December, making the feed stock available for ethanol production from July to the end of December, even January next year.

Observation on Treatment of Advanced Esophageal Carcinoma with Three-Dimensional Conformal Radiotherapy Combined with Chemotherapy and Traditional Chinese Medicine / 国际中医中药杂志

Objective To observe the clinical effect of treating advanced esophageal carcinoma with three-dimensional conformal radiotherapy combined with chemotherapy and traditional Chinese medicine.Methods 36 cases with advanced esophageal carcinoma were randomly divided into a eontrol group and a treatment group.The control group was treated with conventional radiotherapy combined with chemotherapy,and the treatment group was treated with three-dimensional conforrnal radiotherapy combined with chemotherapy and traditional Chinese medicine.The short-term effect,toxicity and long-term effect were observed,and cause of death was analyzed.Results The complete remission rate in the treatment group was significantly higher than that of the control group(P＜0.05).The toxicity of the treatment group was markedly decreased.One and three years'survival rate between the two groups had a significant difierent(P＜0.05),but five years'survival rate between the two groups had no significant difference(P＞0.05).Local uncontrolled rate and recurrence rate in the treatment group were significantly lower than those in the control group(p＜0.05).Conclusion The treatment of three-dimensional conformal radiotherapy combined with chemotherapy and traditional Chinese medicine on advanced esophageal carcinoma was better than conventional radiotherapy combined with chemotherapy.

Expression and significance of CK19, HBME-1, 34βE12 in papillary carcinoma of the thyroid / 肿瘤研究与临床

Objective To summarize the expression of CK19, HBME-land 34βE12 in papillary carcinoma of the thyroid (PCT) and their differential diagnostic value. Methods Clinical data of papillary carcinoma of the thyroid,nodular goiter and paraeareinoma were reviewed. All HE slides were reexamined and immunostains for CK19, HBME-land 34βEI2 were performed in selected case. Staining results were evaluated. Results Those cases typically showed complex papillary structures and interstitial fibrosis, while nuclear features included ground class appearance, grooves and nuclear pseudoinelusion. The positive rates for CKI9, HBME-1 and 34βE12 in PCT were 100.0 %, 89.4 % and 42.6 % respectively, the differences were statistically significant(P <0.01). Conclusion PCT occurs preferentially in the group of middle-aged women. The diagnosis of PCT should be distinguished from other plesiomorphous benign papillary lesions. Combined detection of CK19, HBME-1, 34βE12 can be most helpful for diagnosis for of PCT.

The causes of job burnout of clinical teachers at affiliated hospital of medical college / 中华医学教育探索杂志

Job burnout of clinical teachers at affiliated hospital of medical college has be-come a problem that cannot be ignored today.The current situation and the causes of job burnout are discussed to provide directions for carrying out some intervention measures in the future.

Teaching Reform on Medical Imaging and College Students' Innovation Consciousness Cultivation / 中华医学教育探索杂志

Medical Imaging faculty has made the teaching reform which is design-oriented and integrative with intent to cultivate students' innovation consciousness and practice ability in the teaching system,teaching method and writing new textbooks.From the teaching practice,we have obtained satisfactory teaching results and can provide one kind of clear train of thought for the college curriculum adapting to the demand of this society.

The education and continuing education of clinical teachers at medical college / 中华医学教育探索杂志

The clinical teaching of medical colleges and universities is an important stage of medical education,the clinical teacher is the clinical teaching concrete undertaker,and the teaching quality is closely related to clinical teacher's work,therefore,in order to improve the quality of teaching,we must strengthen the clinical teachers'education and the continuing education through a variety of ways.

The Seminar in Japanese Medical Education——As Comparision With Chinese Medical Education Methods / 中华医学教育探索杂志

To investigate Japanese medical education modality such as the seminar,conference,session and so on,this article discussed the advanced experiences which should be used for reference in our medical education,researched proper ways and means according to our own medical education styles and provided reference to innovate medical education for graduate education and continuing education.

Clinical efficacy of albendazole emulsion in treatment of 212 cases of liver cystic hydatidosis / 中华医学杂志(英文版)

<p><b>OBJECTIVE</b>To evaluate the clinical efficacy of a new formulation of albendazole emulsion (AbzE) in cases of liver cystic hydatidosis.</p><p><b>METHODS</b>Two regimens of AbzE (10 mg.kg(-1).d(-1) and 12.5 mg.kg(-1).d(-1)) were given to 212 patients with liver cystic hydatidosis in courses ranging from 3 months to more than one year. Assessment of drug efficacy was essentially based on imaging signs with ultrasonography as the main tool. Assessments were performed at the end of different courses and in the follow-up study of 1 - 4 years after the cessation of therapy.</p><p><b>RESULTS</b>At the end of therapeutic courses, the overall cure rate of the 212 cases was 74.5%, with a 99.1% effective rate. In the follow-up study, the cure rate was 83.1%, effective rate was 89.3%, ineffective rate was 0.6%, and recurrence rate was 10.2%. The highest cure rate was observed in cases receiving AbzE 12.5 mg.kg(-1).d(-1) for 9 months. Retreatment of recurrent cases with AbzE obtained satisfactory results.</p><p><b>CONCLUSIONS</b>AbzE surpassed other currently used antihydatidosis drugs or formulations with its promising efficacy and mild side effects, and could be recommended as a drug of choice in the treatment of cystic hydatidosis.</p>

Expression of PCNA、p53、C-erbB-2 in colorectal carcinoma and its relationship with host immune reactions / 中国癌症杂志

Purpose:To investigate the expression of PCNA、p53、C erbB 2 in colorectal carcinoma and its relationship with host immune reactions. Methods:The expression of PCNA、p53、C erbB 2 was detected by Envision immunohistochemical method in 42 colorectal carcinoma, 35 pericarcinomatous and 10 normal coloerctal mucosa respectively. Host immune reactions (pericarcinomatous fibrosis, mononuclear infiltration and lymph nodes reaction) were also observed. Results:(1) The positive expression of PCNA、p53、C erbB 2 in colorectal carcinoma was significantly higher than in corresponding pericarcinomatous mucosa and normal colorectal mucosa respectively( P 0.05). (3) GH was more evident than PH in colorectal carcinoma and GH had reverse relationship with lymph node metastasis( P

Clinical Diagnostic Value of CT Scan and Serum Tumor Markers Determination for SCLC / 实用放射学杂志

Objective To investigate the clinic diagnosis value of CT scan and the determination of serum NSE, Cyfra21-1 for SCLC. Methods ① The CT findings and pathologic basis of 220 cases with SCLC were analyzed retrospectively.② Between February 2000 and December 2001, 120 consecutive patients with pulmonary lesions by CT scan, which suspiciously suffered lung cancer, were studied prospectively. Serum samples were obtained by venous puncture from all patients 1 week prior to surgery or puncture biopsy. The serum concentration of NSE, Cyfra21-1 were determinated using ELISA. According to the pathologic result, the diagnostic value of CT scan, NSE and Cyfra21-1 were evaluated.Results ① Most CT findings of SCLC were central and spindly or eggplant-shape mass, hilar and/or mediastinal lymph nodes enlargement.The obstructive pulmonary lesions were found rarely.② Using CT scan, NSE and Cyfra21-1 alone, the sensitivity were 75%,72.5% and 32.5%,the specificity were 73.75%, 83.75% and 48.75%,the accuracy were 74.16%, 81.67% and 43.33% respectively. With combination of CT scan and NSE, the diagnostic accuracy was 78.3%, and the sensitivity was 87.5%. However, CT scan combined with Cyfra21-1 can not be improve the diagnostic value. Conclusion SCLC has specific CT findings. The sensitivity of CT scan was 75%, combinated with NSE, its accuracy was higher(78.3%), and the sensitivity was 87.5%.

GENETIC POLYMORPHISM OF C_1R SUBCOMPONENT OF THE FIRST COMPLEMENT COMPONENT IN CHINESE POPULATION / 中国法医学杂志

Genetic polymorphism of the C1R subcomponent of human first complement component was in-vestigated in 360 unrelated Chinese individuals using isoelectric focusing followed by immunoblotting.Six common and four rare were detected. The allele frequencies were as follows: C1R * 1 = 0. 5181,C1R ? 2=0. 5291,C1R * 3= 0. 1472 and C1R * R(C1R * 5,C1R * 6,C1R * 12 and C1R * 13) = 0.0056. The distribution of allotypes fitted the Hardy-Weinberg equilibrium. This complemlement sys-tem is a useful genetic marker for anthropological studies and forensic science practice.