Survey on satisfaction and employment intention of general practice residents in Shanxi province / 中华全科医师杂志

Objective:To survey the satisfaction and employment intention of general practice residents (GPRs) in Shanxi Province.Methods:A cross-sectional questionnaire survey was conducted in May 2021 among GPRs in Shanxi Province through the residency training information management platform. The questionnaire included general demographic information, clinical competency and independent practice ability, the status of the training base, their satisfaction with the training, career prospects and employment intention. The survey results were analyzed.Results:A total of 452 questionnaires were distributed, and 434 valid ones were recovered with an effective recovery rate of 96.02%. The age of respondents was (27.4±4.6) years, there were 155 GPRs (35.71%) enrolled in 2018, 131 GPRs (30.18%) in 2019, and 148 GPRs (34.10%) in 2020. A total of 286 GPRs (65.9%) thought that they were able to independently complete some procedures such as abdominal puncture, lumbar puncture, chest puncture, and bone puncture, and the proportion of GPRs who were able to complete the above procedures increased with the training time (49.3%(73/148), 70.2%(92/131), and 78.1%(121/155) in 2020, 2019, and 2018 batches, respectively, χ2=29.39, P<0.001); 372 respondents (85.7%) thought that they were able to independently receive patients with common diseases and make preliminary diagnosis and treatment, while there was no significant difference in the proportion of GPRs enrolled in 2020, 2019, and 2018 ( χ2=3.35, P=0.188); 425 GPRs (97.9%) expressed that the base arranged rotation according to the training syllabus; 390 GPRs (89.9%) thought that the proportion of knowledge and skill assessment in the final examination was appropriate. The survey showed that 70 GPRs (16.1%) thought that the number of cases and types of diseases in the teaching base fully met the requirements of the training program, 144 GPRs (33.2%) thought that mostly met the requirements, 197 GPRs (45.4%) thought that basically met the requirements, 22 GPRs (5.1%) thought that most of them did not meet the requirements, and 1 GPR (0.2%) thought that completely did not meet the requirements. Most of the respondents (368 (84.8%)) reported that they received guidance from clinical instructors for medical record writing; 174 (40.1%) and 172 (39.6%) GPRs were very satisfied or satisfied with general practice teachers and teaching base instructors; 207 GPRs (47.7%) were satisfied with accommodation (or subsidies), while 38 GPRs (8.3%) were very dissatisfied; 203 GPRs (46.8%) were satisfied with basic salary and benefit, while 35 GPRs (8.1%) were very dissatisfied. For general practice as the career, 88 GPRs (20.3%) liked it very much, 255 GPRs (58.8%) liked it, 67 GPRs (15.4%) did not like it very much, and 24 GPRs (5.5%) disliked it. For the prospects of general practice, 108 GPRs (24.9%) considered it very optimistic, 219 GPRs (50.5%) considered it relatively optimistic, 92 GPRs (21.2%) considered it not very optimistic, and 15 GPRs (3.5%) considered it very pessimistic. Regarding employment intentions, 174 GPRs (40.1%) intended to choose municipal hospitals, 170 GPRs (39.2%) to choose county level hospitals, only 9 GPRs (2.1%) to choose village clinics. Conclusions:The survey indicates that for GPRs the most dissatisfied aspects are the salary and benefit, as well as the living conditions during their training; after completing the contract, most GPRs hope to work in hospitals at county and above levels.

Chinese expert consensus on emergency surgery for severe trauma and infection prevention during corona virus disease 2019 epidemic (version 2023) / 中华创伤杂志

During coronavirus disease 2019 epidemic, the treatment of severe trauma has been impacted. The Consensus on emergency surgery and infection prevention and control for severe trauma patients with 2019 novel corona virus pneumonia was published online on February 12, 2020, providing a strong guidance for the emergency treatment of severe trauma and the self-protection of medical staffs in the early stage of the epidemic. With the Joint Prevention and Control Mechanism of the State Council renaming "novel coronavirus pneumonia" to "novel coronavirus infection" and the infection being managed with measures against class B infectious diseases since January 8, 2023, the consensus published in 2020 is no longer applicable to the emergency treatment of severe trauma in the new stage of epidemic prevention and control. In this context, led by the Chinese Traumatology Association, Chinese Trauma Surgeon Association, Trauma Medicine Branch of Chinese International Exchange and Promotive Association for Medical and Health Care, and Editorial Board of Chinese Journal of Traumatology, the Chinese expert consensus on emergency surgery for severe trauma and infection prevention during coronavirus disease 2019 epidemic ( version 2023) is formulated to ensure the effectiveness and safety in the treatment of severe trauma in the new stage. Based on the policy of the Joint Prevention and Control Mechanism of the State Council and by using evidence-based medical evidence as well as Delphi expert consultation and voting, 16 recommendations are put forward from the four aspects of the related definitions, infection prevention, preoperative assessment and preparation, emergency operation and postoperative management, hoping to provide a reference for severe trauma care in the new stage of the epidemic prevention and control.

Analysis of the efficacy of anal dimple anorectoplasty on female infants with congenital anal atresia combined rectal vestibular fistula / 中华实用儿科临床杂志

Objective:To investigate the clinical efficacy of anal dimple anorectoplasty on female infants with congenital anal atresia combined rectal vestibular fistula.Methods:Clinical data of 69 female infants with congenital anal atresia combined rectal vestibular fistula admitted to Department of Pediatric Surgery, the First Affiliated Hospital of Zhengzhou University from July 2012 to July 2022 were retrospectively analyzed.They were divided into 2 groups according to the surgical methods: 34 cases of anal dimple anorectoplasty(group A) and 35 cases of anterior sagittal anorectoplasty(group B). The operation time, length of stay, short-term complications, long-term complications and bowel function (determined by the Rintala score at 6 months postoperatively) of the two groups were compared.The difference in the incidence of postoperative complications between groups was compared by Chi- square test, and the remaining differences between groups were compared by the paired t-test. Results:The operative time [(80.18±9.29) min vs.(103.85±8.26) min] and postoperative hospital stay[(6.10±1.52) d vs.(7.63±2.40) d] in group A were significantly shorter than those of group B ( t=11.40, 2.62; all P<0.05). The Rintala total score at 6 months postoperatively in group A was significantly higher than that of group B[(19.36±0.93) points vs.(18.76±0.44) points]( t=3.20, P<0.05). There were no significant differences in the incidences of short-term [(4/34, 11.8%) vs.(7/35, 20.0%)] and long-term complications [(2/34, 5.9%) vs.(4/35, 11.4%)]between group A and group B ( χ2=0.75, 0.75; all P>0.05). Conclusions:Anal dimple anorectoplasty for female infants with congenital anal atresia combined rectal vestibular fistula is safe and effective.

Relationship between Serum Cystatin C and Vascular Complications in Type 2 Diabetes Mellitus Patients with Normal Renal Function / 中国医学科学院学报

Objective To investigate the relationship between serum cystatin C(CysC)level and vascular complications in type 2 diabetes mellitus(T2DM)patients with normal renal function. Methods Totally 218 T2DM patients who were treated in the Department of Endocrinology,Affiliated Hospital of Chengde Medical College from January 2017 to May 2018 were enrolled.All subjects were divided into four groups based on the quartiles of serum CysC levels:G1 group:≤ 0.56 mg/L,58 cases;G2 group:0.57-0.73 mg/L,52 cases;G3 group:0.74-1.11 mg/L,56 cases;G4 group:≥ 1.12 mg/L,52 cases.The general data,biochemical indicators,glycated albumin,hemoglobin A

Clinical study on Duhuo-Xuduan decoction combined with massage in the treatment of lumbar intervertebral disc herniation with yin deficiency of liver and kidney type / 国际中医中药杂志

Objective@#To explore the Duhuo-Xuduan decoction combined with massage in the treatment of lumbar intervertebral disc herniation with yin deficiency of liver and kidney type.@*Methods@#According to the random number table method, 67 patients were divided into the control group (n=33) and the study group (n=34). The patients in the control group were treated with traditional massage, while the patients in the study group were treated with Duhuo-Xuduan decoction on the basis of the control group. The groups were treated continuously for 4 weeks. After treatment, the total clinical effective rate of the two groups was counted. The Visual analogue scale (VAS) and Oswestry dysfunction index were measured before and after treatment. At the same time, the level of serum Aggrecan, bone morphogenetic protein 7 (BMP-7), P substance (SP), 5-hydroxytryptamine (5-HT), dopamine (DA) were detected respectively before and after treatment. In addition, the adverse reaction of the two groups were observed.@*Results@#The total clinical effective rate of the study group was 97.06% (33/34), significantly higher than 81.82% (27/33) of the control group, and the difference was statistically significant (χ2=4.157, P=0.041). After treatment, the VAS score, Oswestry dysfunction index and serum SP, 5-HT, DA of study group was significantly lower than those of the control group (t=13.175, 12.524, 14.481, 15.729, 14.391, all Ps<0.01), while the level of serum Aggrecan, and BMP-7 of study group was significantly higher than that of the control group (t=18.697, 16.222, all Ps<0.01). There were no serious adverse reactions during treatment in both groups.@*Conclusions@#The Duhuo-Xuduan decoction combined with massage can alleviate pain, improve dysfunction of the patients with lumbar intervertebral disc herniation with yin deficiency of liver and kidney type. It is speculated that its mechanism may be related to analgesia and promoting cartilage regeneration of injured lumbar intervertebral disc.

Chinese Trauma Surgeon Association for management guidelines of vacuum sealing drainage application in abdominal surgeries-Update and systematic review / 中华创伤杂志(英文版)

Vacuum sealing drainage (VSD) is frequently used in abdominal surgeries. However, relevant guidelines are rare. Chinese Trauma Surgeon Association organized a committee composed of 28 experts across China in July 2017, aiming to provide an evidence-based recommendation for the application of VSD in abdominal surgeries. Eleven questions regarding the use of VSD in abdominal surgeries were addressed: (1) which type of materials should be respectively chosen for the intraperitoneal cavity, retroperitoneal cavity and superficial incisions? (2) Can VSD be preventively used for a high-risk abdominal incision with primary suture? (3) Can VSD be used in severely contaminated/infected abdominal surgical sites? (4) Can VSD be used for temporary abdominal cavity closure under some special conditions such as severe abdominal trauma, infection, liver transplantation and intra-abdominal volume increment in abdominal compartment syndrome? (5) Can VSD be used in abdominal organ inflammation, injury, or postoperative drainage? (6) Can VSD be used in the treatment of intestinal fistula and pancreatic fistula? (7) Can VSD be used in the treatment of intra-abdominal and extra-peritoneal abscess? (8) Can VSD be used in the treatment of abdominal wall wounds, wound cavity, and defects? (9) Does VSD increase the risk of bleeding? (10) Does VSD increase the risk of intestinal wall injury? (11) Does VSD increase the risk of peritoneal adhesion? Focusing on these questions, evidence-based recommendations were given accordingly. VSD was strongly recommended regarding the questions 2-4. Weak recommendations were made regarding questions 1 and 5-11. Proper use of VSD in abdominal surgeries can lower the risk of infection in abdominal incisions with primary suture, treat severely contaminated/infected surgical sites and facilitate temporary abdominal cavity closure.

Clinical study on Duhuo-Xuduan decoction combined with massage in the treatment of lumbar intervertebral disc herniation with yin deficiency of liver and kidney type / 国际中医中药杂志

Objective To explore the Duhuo-Xuduan decoction combined with massage in the treatment of lumbar intervertebral disc herniation with yin deficiency of liver and kidney type. Methods According to the random number table method, 67 patients were divided into the control group (n=33) and the study group (n=34). The patients in the control group were treated with traditional massage, while the patients in the study group were treated with Duhuo-Xuduan decoction on the basis of the control group. The groups were treated continuously for 4 weeks. After treatment, the total clinical effective rate of the two groups was counted. The Visual analogue scale (VAS) and Oswestry dysfunction index were measured before and after treatment. At the same time, the level of serum Aggrecan, bone morphogenetic protein 7 (BMP-7), P substance (SP), 5-hydroxytryptamine (5-HT), dopamine (DA) were detected respectively before and after treatment. In addition, the adverse reaction of the two groups were observed. Results The total clinical effective rate of the study group was 97.06% (33/34), significantly higher than 81.82% (27/33) of the control group, and the difference was statistically significant (χ2=4.157, P=0.041). After treatment, the VAS score, Oswestry dysfunction index and serum SP, 5-HT, DA of study group was significantly lower than those of the control group (t=13.175, 12.524, 14.481, 15.729, 14.391, all Ps<0.01), while the level of serum Aggrecan, and BMP-7 of study group was significantly higher than that of the control group (t=18.697, 16.222, all Ps<0.01). There were no serious adverse reactions during treatment in both groups. Conclusions The Duhuo-Xuduan decoction combined with massage can alleviate pain, improve dysfunction of the patients with lumbar intervertebral disc herniation with yin deficiency of liver and kidney type. It is speculated that its mechanism may be related to analgesia and promoting cartilage regeneration of injured lumbar intervertebral disc.

Study on the Situation of Price and Distribution Cost about 63 Kinds of Drugs and Policies of Regulation Price in Hubei Province / 中国药房

OBJECTIVE:To provide reference for formulating drug price regulation policy and promoting reasonable drug price. METHODS:According to WHO and HAI drug price standard investigation,questionnaire survey(supplemented by field investigation)about sale price of 63 commonly used drugs with large consumption sum was conducted among 3 districts of different economic development levels in Hubei province. Median price ratio(MPR)was calculated statistically. Primary interview survey(supplemented by literature investigation)about drug distribution cost was conducted among managerial staff of pharmaceutical wholesale and retail enterprises,hospital pharmacy administrators. Suggestions were put forward to control distribution cost and standardizing drug price based on analysis and discussion. RESULTS:Totally 120 questionnaires were sent out,and 118 were effectively received,with effective recovery of 98.33%. Thirty managerial staff from drug wholesale and retail enterprises,hospital pharmacy department were interviewed for investigation of drug distribution cost. MPR of 63 drugs ranged 0.05-44.55 in different types of sample institutions. Among 67 specifications of 53 kinds of drugs,median retail price of 38 specifications(56.72%)was higher than international reference price in first-level sample medical institutions. Among 79 specifications of 63 kinds of drugs,median retail price of 57 specifications(72.15%)was higher than international reference price in second-level sample medical institutions. Among 80 specifications of 63 kinds of drugs,median retail price of 63 specifications(78.75%)was higher than international reference price in third-level sample medical institutions. Among 50 specifications of 37 kinds of drugs,median retail price of 42 specifications(84.00%)was higher than international reference price in sample pharmaceutical retail enterprises. In all sample institutions,maximum MPR of 13 specification were lower than 1;those of 12 specification ranged from 1 to <2;those of 23 specifications ranged from 2 to <5;15 specification ranged from 5 to <10;those of 17 specification were higher than 10. MPR of third-level medical institution samples were higher than those of second-level and first-level ones,and pharmaceutical retail enterprises(P<0.01). MPR of second-level medical institution samples and pharmaceutical retail enterprises were higher than those of first-level medical institutions(P<0.01). There was no statistical significance in the levels of MPR between second-level medical institutions and pharmaceutical retail enterprises(P>0.05). MPR of sample institutions in well-developed regions were higher than in medium-developed or less-developed regions(P<0.01). MPR of sample institutions in medium-developed regions were higher than in less-developed regions(P<0.01). MPR of original drugs were all higher than those of generic drugs in different types of sample institutions(P<0.01). There was no statistical significance in MPR of original drugs among different types of sample institutions(P>0.05). At the same time,MPR of generic drugs in third-level medical institution samples were higher than in second-level and first-level ones and pharmaceutical retail enterprises (P<0.05 or P<0.01). MPR of second-level medical institution samples and pharmaceutical retail enterprises were higher than in first-level ones(P<0.05). There was no statistical significance between second-level medical institution samples and pharmaceutical retail enterprises(P>0.05). Drug production and circulation cost,centralized bidding and purchasing price in Hubei province were higher than the national level. CONCLUSIONS:The drug price of Hubei province is in high level,especially that of three-level medical institutions is higher than other institutions;drug price of well-developed region is higher than those of medium-level and less-developed region;the price of original drugs are higher than those of generic drugs. The cost of pharmaceutical industry,drug circulation cost and the addition of drug price during application link eventually lead to the higher retailing price of drugs. Comprehensive policy measures need to be taken to control the cost of the whole process of drug distribution and to regulate the price of drugs.

Analysis of risk factors of bile leakage in patients after laparoscopic common bile duct exploration and primary suture / 国际外科学杂志

Objective To explore the risk factors of bile leakage in patients with laparoscopic common bile duct exploration and primary suture for the purpose of providing clues for reducing occurrence of bile leakage.Methods The clinic data of 193 choledocholithiasis patients with laparoscopic common bile duct exploration and primary suture from October 2012 to March 2017 were retrospective analysed.All patients were divided into bile leakage group (23 patients) and non-bile leakage group (170 patients).Risk factors influencing the incidence of bile leakage were determined by analyzing 21 relevant factors with one-way analysis of variance and Logistic multivariate regression analysis.Count data and ordinal data was expressed as frequency or a percentage.Chi-square test was used to compare with groups of count data,rank-sum test was for comparison between groups of ordinal data,and Logistic regression was for multivariate analysis.Results Among all the patients,the incidence of bile leakage was 11.92％ (23/193).The results of univariate analysis revealed that cholangitis,jaundice,bile characteristics,muddy stone,number of stones,incarcerated stone,open and close peristalsis of duodenal papilla were correlated with bile leakage (x2/Z =2.537,2.122,81.834,50.709,13.242,26.958,90.207,P ＜0.05).The result of multivariate analysis revealed that bile characteristics,muddy stone,incarcerated stone,open and close peristalsis of duodenal papilla was correlated with bile leakage (Wals =14.002,8.899,6.577,5.582,P ＜0.05).Conclusion Bile characteristics,muddy stone,incarcerated stone,open and close peristalsis of duodenal papilla were main risk factors of bile leakage in patients with laparoscopic common bile duct exploration and primary suture.

Cost-effectiveness Analysis of 2 Kinds of Moderate Intensity Statins Plan in the Treatment of Hyperlipid-emia / 中国药房

OBJECTIVE:To investigate the effectiveness and economics of 10 mg/d rosuvastatin and 20 mg/d atorvastatin in the treatment of hyperlipidemia (HLP). METHODS:The information of 180 HLP patients selected from Tianmen Municipal First People's Hospital during Mar. 2015-Feb. 2016 were divided into group A and B according to medication regimen,with 90 cases in each group. Group A was given Atorvastatin calcium tablet 20 mg,qd;group B was given Rosuvastatin calcium tablet 10 mg,qd. Treatment course of 2 groups lasted for 8 weeks. Blood lipid indexes before and after treatment,lipid-lowering efficacy,the rate of qualified blood lipid and the occurrence of ADR after treatment were compared between 2 groups. Cost-effectiveness analysis was adopted for economic evaluation. RESULTS:Before treatment,there was no statistical significance in the levels of blood lipid in-dexes between 2 groups (P>0.05). After treatment,TC and LDL-C levels of 2 groups were significantly lower than before treat-ment,and those of group B were significantly lower than those of group A,with statistical significance(P0.05). The costs of group A and B were 488.32,436.24 yuan,and cost-effectiveness ratios were 5.63,4.46;incremental cost-effectiveness ratio was -4.69. The plan of group B had cost-effective-ness advantage. The results of cost-effectiveness analysis were supported by sensitivity analysis. CONCLUSIONS:In the view of short-term efficacy,10 mg/d rosuvastatin plan is better than 20 mg/d atorvastatin plan in lowering lipid and has cost-effectiveness advantage,and both have similar safety.

Mutation analysis and prenatal diagnosis for a case of spinal muscular atrophy with respiratory distress type 1 / 中华医学遗传学杂志

<p><b>OBJECTIVE</b>To detect potential mutation of immunoglobulin μ -binding protein 2 (IGHMBP2) gene in a two-year-old patient with spinal muscular atrophy with respiratory distress type 1 (SMARD1).</p><p><b>METHODS</b>Genomic DNA was extracted from peripheral blood sample from the patient and her parents, as well as cord blood sample from the fetus. Potential mutations of the coding region of the IGHMBP2 gene was detected with PCR and Sanger sequencing.</p><p><b>RESULTS</b>A heterozygous missense mutation c.1060G>A and a frameshift mutation c.2356delG was detected in the patient. The mutations were respectively inherited from her father and mother. Neither mutation was found in DNA derived from the cord blood sample.</p><p><b>CONCLUSION</b>The missense mutation c.1060G>A and frameshift mutation c.2356delG were probably causative for the disease. Analysis of the IGHMBP2 gene has provided an important clue for the etiology and prenatal diagnosis of SMARD1.</p>

Comparison of clinical features between radiological isolated syndrome and classical multiplesclerosis / 中国医师进修杂志

Objective To compare the clinical features between radiological isolated syndrome (RIS) and classical multiple sclerosis (CMS), in order to improve the understanding of the RIS. Methods All 35 patients with RIS and 32 patients with CMS were selected. The epidemiological and clinical findings, cerebrospinal fluid, neural electrophysiological examination and magnetic resonance imaging (MRI) data were analyzed. Results There were no statistical differences in sex ratio and onset age between RIS patients and CMS patients (P>0.05). The main symptoms of in patients with RIS were headache (45.7%, 16/35), dizziness (40.0%, 14/35), hypomnesis (20.0%, 7/35) and psychiatric disorders (11.4%, 4/35). But the main symptoms of in patients with CMS were limb weakness (75.0%, 24/32), sensory abnormalities (68.8%, 22/32) and ocular symptoms (34.4%,11/32). The incidences of limb weakness, sensory abnormalities and ocular symptoms in patients with CMS were significantly higher than those in patients with RIS:75.0%(24/32) vs. 0, 68.8%(22/32) vs. 0 and 34.4%(11/32) vs. 0, and there were statistical differences (P0.05). The cerebrospinal fluid protein and the incidences of IgG index>0.7 in patients with RIS were significantly lower than those in patients with CMS:0.175 (0.03-0.69) g/L vs. 0.440 (0.04-1.09) g/L and 3/18 vs. 47.6%(10/21), and there were statistical differences (P0.05). On MRI, the demyelinating lesions of RIS and CMS were both mainly distributed in the periventricular, semi-oval center, infratentorial white matter, partly involving corpus callosum or cortical. The rates of demyelinating lesions in brainstem and cerebellum in patients with RIS were significantly lower than those in patients with CMS:5.7%(2/35) vs. 34.4% (11/32) and 2.9% (1/35) vs. 25.0% (8/32), and there were statistical differences (P<0.01 or <0.05). Comparison with CMS lesions, RIS lesions mainly showed patching and stippled, and there were statistical differences (P<0.01 or <0.05). The rates of lesions enhancement and spinal cord injury in patients with RIS were significantly lower than those in patients with CMS: 2/17 vs. 45.0% (9/20) and 1/14 vs. 43.5% (10/23), and there were statistical differences (P<0.05). Conclusions There are differences in clinical findings, cerebrospinal fluid, neural electrophysiological examination and MRI appearances between RIS and CMS.

A new generation of lipoprotein(a)in clinical application and performance evaluation method for the detection of particles per unit / 国际检验医学杂志

Objective To evaluate the clinical significance of the International Federation of Clinical Chemistry and Laboratory Medicine international(IFCC) reference reagent(SRM2B) standardized ,particles unit method in detecting the lipoprotein(a)[Lp (a)] .Methods Precision ,linearity ,clinical reportable range ,reference interval index of total number of particles in the kit express-ing Lp(a) by nmol/L were evaluated ,and compared with the kit expressed Lp(a) by mg/L .At the same time serum alanine amin-otransferase(ALT) ,aspartate aminotransferase(AST) ,total bilirubin(TBIL) ,UREA ,creatinine(CREA) ,triglycerides(TG) ,total cholesterol(CHOL) ,high-density lipoprotein cholesterol(HDL-C) ,low density lipoprotein cholesterol(LDL-C) of all the subjects were detected and the correlations of them between LP(a) were analyzed .Results The method with-run coefficient of variation (CV)<1 .5% ,between-run CV< 2 .0 .Within the scope of 0 .6 -236 .0 nmol/L the linear was good(r2 = 0 .996 2) .Reportable range:7-720 nmol/L ,normal reference range <75 nmol/L .With a total mass(mg/L) said good correlation between content Lp(a) kit .The correlation of Lp (a) and ALT ,AST ,TBIL ,UREA ,CERA ,TG ,CHOL ,HDL-C ,LDL-C of were -0 .120 ,-0 .091 ,-0 .372 ,-0 .096 ,-0 .087 ,0 .056 ,0 .263 ,0 .226 ,0 .159 .Conclusion This methods shows good performance ,and without interfer-ence from serum ALT ,AST ,UREA ,CERA ,TG ,HDL-C ,LDL-C levels ,but affected by the levels of serum TBIL and CHOL .It could be traced to the IFCC international reference methods and reference materials(SRM2B) ,which isn′t influenced by Lp(a) poly-morphisms ,detects Lp(a) particle number really ,expressed Lp(a) protein with nmol/L accurately ,helps evaluating clinical cardio-vascular disease risk ,and increases the comparability among different clinical research data .

Survival analysis of 256 patients with oral cancer / 中国肿瘤临床

Objective:To analyze survival in patients with advanced oral cancer from prospective clinical trials. Methods:From 2008 to 2010, 256 patients with oral cancer at clinical stage III/IVA were randomly categorized into two groups. Patients in the experi-mental group received neo-adjuvant chemotherapy, surgery, and post-operative radiation, and patients in the control group underwent surgery and post-operative radiation. All patients were routinely followed-up after treatments. Survival was analyzed using Kaplan–Meier method and log-rank test, and differences were considered statistically significant at P value lower than 0.05. Results: Each group was composed of 128 patients. With the median follow-up period of 60 months, the 5-year overall survival rate was 61.7%and the disease-free survival rate was 53.9%. The overall survival rate (P=0.350) and the disease-free survival rate (P=0.160) were not sig-nificantly different between the experimental and control groups. Patients with positive pathological response to neo-adjuvant chemo-therapy exhibited significantly improved overall survival (P＜0.05). Conclusion:Radical surgery should be emphasized to improve the prognosis of oral cancer. Functional reconstruction could also improve the quality of life and survival of patients. Despite that neo-adju-vant chemotherapy could not improve the survival of patients with advanced oral cancer in entirety, it could benefit patients exhibiting positive treatment responses.

Expression of MicroRNA-26a and Its Target Gene CDK6 in Extra-nodal NK/T-Cell Lymphoma / 中国实验血液学杂志

<p><b>OBJECTIVE</b>To explore the expression level of microRNA-26a and its target gene CDK6 in extranodal NK/T-cell lymphoma (ENKTCL) and their possible role in genesis and development of ENKTCL.</p><p><b>METHODS</b>Real time fluorescent quantitative PCR was used to detect the expression level of miR-26a in tissue of 15 patients with ENKTCL and 10 samples of normal NK cells. Maxvision immunohistochemistry technique was used to detect the expression level of CDK6 and miR-26a in tissue of 20 ENKTCL cases, 10 cases of proliferative lymphadenitis and 10 samples of normal lymph node, respectively. The possible role of miR-26a and its target gene CDK6 in genesis and development of ENKTCL were analyzed according to the clinical features of ENKTCL patients.</p><p><b>RESULTS</b>The expression of miR-26a was significantly lower in ENKTCL than that in normal NK cells. The expression of CDK6 was significantly higher in ENKTCL group than that in group proliferative lymphadenitis and normal lymph node. Correlation analysis showed that there was significant negative correlation between miR-26a expression and CDK6 expression (r = -0.54, P = 0.04). Meanwhile, there were no correlation of miR-26a expression with age, sex, Ann Arbor stage, LDH level, B symptoms and IPI. Although, there were no correlation of CDK6 expression with age, sex, LDH level and B symptoms, there were positive correlation of CDK6 expression with Ann Arbor stage and IPI.</p><p><b>CONCLUSION</b>that abnormal expression of miR-26a may participate in genesis and development of ENKTCL through regulating the expression of its target gene CDK6.</p>

Angle of titanium clip next turbinate resection without filling in the clinical observation / 临床耳鼻咽喉头颈外科杂志

OBJECTIVE@#To observe the self-developed horn type of titanium clamp used for inferior turbinate resection from filling effect.@*METHOD@#Choose the cases of inferior turbinate resection of 152 cases randomly selected 92 cases (group) in 2-4 angle type titanium clip head-tail closed wound middle turbinate, and therefore more than nasal passages in the surgical wound, just as in the nasal passages above micro tamponade, bare breathing zone, keep the ventilation, 1- 3 days to take out the angle titanium clamp; 60 cases (control group) with vaseline oil gauze or postoperative Merocel hemostatic sponge tamponade nasal bleeding. Observation of 1-3 days after nasal ventilation, headache, nasal bleeding, dry mouth, tolerance is painful, aural fullness tinnitus, a total of 7 indicators of sleep.@*RESULT@#The team outside the there was no difference in blood loss and the control group, the rest of the indicators is better than the control group.@*CONCLUSION@#The angle of titanium clamp used in inferior turbinate resection from stuffing, patients get better comfort, avoid drawn yarn of pain, improve the quality of perioperative patients with life.

CD133 selected stem cells from proliferating infantile hemangioma and establishment of an in vivo mice model of hemangioma / 中华医学杂志(英文版)

<p><b>BACKGROUND</b>Infantile hemangioma (IH) is the most common benign tumor in children with prevalence in the face and neck. Various treatment options including oral propranolol have been described for IH, but the mechanism of drugs remains enigmatic. The aim of this study was to investigate the pathogenesis and establish a reliable in vivo model of IH which can provide platform for drug exploration.</p><p><b>METHODS</b>Stem cells from the proliferating hemangiomas (HemSCs) were isolated by CD133-tagged immunomagnetic beads. Their phenotype and angiogenic property were investigated by flow cytometry, culturing on Matrigel, real-time polymerase chain reaction (PCR), immunofluorescent staining and injection into BALB/c-nu mice.</p><p><b>RESULTS</b>HemSCs had robust ability of proliferating and cloning. The time of cells doubling in proliferative phase was 16 hours. Flow cytometry showed that HemSCs expressed mesenchymal markers CD29, CD44, but not endothelial/hematopoietic marker of CD34 and hematopoietic marker CD45. The expression of CD105 was much lower than that of the reported hemangioma derived or normal mesenchymal stem cell (MSC). Real-time PCR showed that the mRNA levels of vascular endothelial growth factor (VEGF), basic fibroblast growth factor (bFGF) and matrix metalloproteinase-1 (MMP-1) of HemSCs were higher than that of neonatal human dermal fibroblasts (NHDFs) and human umbilical vein endothelial cells (HUVECs). After HemSCs were cultured on Matrigel in vitro, they formed tube-like structure in a short time (16 hours) and differentiated into endothelial cells in 7 days. After 1 - 2 weeks of implantation into immunodeficient mice, HemSCs generated glucose transporter 1 positive blood vessels. When co-injected with HUVECs, the vascularization of HemSCs was greatly enhanced. However, the single implantation of HUVECs hardly formed blood vessels in BALB/c-nu mice (P < 0.05).</p><p><b>CONCLUSIONS</b>HemSCs may be some kinds of primitive mesoderm derived stem cells with powerful angiogenic ability, which can recapitulate human hemangioma by co-injecting into immunodeficient mice with HUVECs.</p>

Effects of eEF1A1 re-expression on proliferation and apoptosis of Jurkat cells with knocked down eEF1A1 gene and its mechanisms / 中国实验血液学杂志

This study was aimed to explore the effects of expressing eukaryotic elongation factor 1A1 (eEF1A1) on proliferation and apoptosis in human acute T lymphocytic leukemia (T-ALL) cell line Jurkat with knocked down eEF1A1 gene and its mechanisms. eEF1A1-expressing lentivirus (LV) was constructed and used to transfect the Jurkat cells with knocked down eEF1A1 gene. Then, the expressions of eEF1A1 mRNA and protein were detected by real time PCR(RT-PCR) and Western blot respectively.Cell proliferation, apoptosis and cycle were detected by MTT method, Annexin V-APC labeling and DNA ploidy analysis respectively. The related protein expressions of phosphatidylinositol-3-kinase (PI3K)/serine/threonine kinase (Akt) signaling pathway were detected by Western blot. The results indicated that eEF1A1 mRNA and protein expressions of Jurkat cells with knocked down eEF1A1 gene were re-established by constructing eEF1A1-expression LV. Compared with negative control group (transfected with negative control LV and eEF1A1-shRNA LV), cell proliferation in eEF1A1 expression group was significantly enhanced, cell apoptosis was remarkably inhibited, percentage of cells in G0/G1 phase was significantly reduced alone with increased percentage of cells in S and G2/M phase, and the expression levels of p-Akt (Ser 473), nuclear factor kappa B (NF-κB), p-NF-κB (Ser 468), mammalian target of rapamycin (mTOR) and p-mTOR (Ser 2448) protein significantly increased. It is concluded that eEF1A1 may have a carcinogenic effect in T-ALL cells. eEF1A1 expression has noticeable effects on the proliferation enhancement and apoptosis inhibition of Jurkat cells, which may be mediated by the up-regulation of PI3K/Akt/NF-κB and PI3K/Akt/ mTOR signaling pathway.

Effect of knocking down eEF1A1 gene on proliferation and apoptosis in Jurkat cells and its mechanisms / 中国实验血液学杂志

This study was purposed to investigate the effect of knocking down eukaryotic elongation factor 1A1 (eEF1A1) gene on the proliferation and apoptosis in human acute T lymphocytic leukemia (T-ALL) cell line Jurkat and explore its mechanism. The eEF1A1 mRNA and protein expressions of Jurkat cells and 3 healthy adult peripheral blood mononuclear cells (PBMNC) were detected by real time PCR and Western blot, respectively. eEF1A1-shRNA lentivirus was constructed through molecular biological method, and was used to transfect Jurkat cells. Then, cell eEF1A1 mRNA and protein expressions were detected by real time PCR and Western blot, respectively. Cell proliferation, apoptosis and cycle were detected by MTT method, Annexin V-APC labeling and DNA ploidy analysis, respectively. Cell-related protein expressions of phosphatidylinositol-3-kinase (PI3K)/serine/threonine kinase (Akt) signaling pathway were detected by Western blot. The results showed that eEF1A1 mRNA and protein expression levels of Jurkat cells were significantly higher than that of healthy adult PBMNC, respectively (P < 0.01, P < 0.05). eEF1A1 mRNA and protein expressions of Jurkat cells were significantly knocked down by constructing eEF1A1-shRNA lentivirus. Compared to negative control group (transfected with negative control-shRNA lentivirus), cell proliferation in eEF1A1-shRNA group was significantly inhibited, cell apoptosis was remarkably induced, cell cycle was blocked in G(0)/G(1) phase, and the expression levels of p-Akt (Ser 473), nuclear factor kappa B (NF-κB), p-NF-κB (Ser 468), mammalian target of rapamycin (mTOR) and p-mTOR (Ser 2448) proteins were significantly reduced. It is concluded that eEF1A1 may be a putative oncoprotein in T-ALL cells. Knocking down eEF1A1 gene has noticeable effects on the proliferation inhibition and apoptosis induction of Jurkat cells, which may be mediated by the down-regulation of PI3K/Akt/NF-κB and PI3K/Akt/mTOR signaling pathway.

Surface-enhanced Raman spectroscopic analysis of uric acid / 生物医学工程学杂志

Based on Ag nanoparticles as the surface-enhanced Raman spectroscopy (SERS)-active nanostructure, the SERS of uric acid was presented in the paper. The absorption spectroscopies of uric acid and the mixture of silver colloids and uric acid were measured. The possible enhancing mechanism of the uric acid on silver colloid was speculated. The characteristic SERS bands of uric acid were tentatively assigned. The influence of absorption time and different ion on the SERS of uric acid were also discussed. The SERS spectral intensity changes linearly with the uric acid concentration, which indicated that the SERS might provide a new kind of direct and fast detecting method for the detection of uric acid. The detection limit of uric acid in silver sol is found to be 1 mg/L.