1.Reform and assessment on English curriculum for medical doctor-postgraduates based on the requirement analysis theory
Chinese Journal of Medical Education Research 2013;(10):984-988
Objective To reform and assess the English curriculum for medical doctor-post-graduates based on the requirement analysis theory. Methods All of the medical doctor-postgradu-ates in grade 2012 of the Third Military Medical University were surveyed using questionnaires and face-to-face interviews on randomly chosen students,which collected information on the current Eng-lish skill levels,the requirements and the motivations of English learning,the satisfiable degree of English curriculum,and the outcomes of the curriculum reform. Statistical analysis methods were ap-plied in this study,especiallyχ22 test which was used to test the impact of current English levels on the requirements and motivations of English learning and the analysis results were applied to guide the curriculum reform and assessment. Results The questionnaires were handed out for twice,340 in total. Before and after the course setting,168 and 170 effective ones were got respectively. The first questionnaire showed the requirement of English learning wasn't influenced by the current English skill levels (P=0.329). That was to say 70.2%(118/168)of the surveyed students whether they were in level 4 or 6 all desired to improve English listening and speaking skills;and regard to English lear-ning motivations,publishing SCI papers,studying abroad,personal interest,or passing the course's exams accounted for 53.6%(90/168),24.4%(41/168),15.5%(26/168),6.5%(11/168)respec-tively,but relevant to their English levels (P=0.036). Regardless of their English levels,publishing SCI papers was the chief motivation of English learning. However,passing curriculum examinations as a motivation was more relevant to low-level students. The second survey also showed that 86.5%(147/170)students satisfied the setting of ‘listening and speaking’to ‘reading and writing’(2∶1) and 86 . 3%(145/168 )of students considered necessary to have a SCI dissertation writing course . However,once taking it,30.3%(44/145)out of the 86.3%(145/168)students expressed dissatisfac-tion to the course. In addition,about 48.8%(83/170)of students supported the tiered teaching model. Conclusions The requirement analysis technique is conducive to curriculum setting for medical doc-tor-postgraduates. However,the curriculum system needs to be optimized from the aspects of teaching methods,the tiered teaching model,and the teaching staff team. In particular,the cooperation be-tween English language teachers and medical major teachers should be strengthened in order to ap-proach an adequate and effective curriculum.
2.Anatomical study of the disease correlated to spine
Chinese Journal of Tissue Engineering Research 2001;5(10):30,35-
Objective To study the etiology and the anatomical factors of the diseases correlated to spinal vertebra. Method On 16corpses, we observed the displacement of the spinal vertebra and its harmfulness after the intervertebral disc or the ligaments damaged. Result It may give rise to displacement of the spinal vertebra moving the cervical spine after the intervertebral structure damaged. The nerve roots may be stimulated when the intervertebral foramen gets narrow to 1/3. When the intervertebral foramen gets narrow to 1/2 the nerve roots may be constricted. When the cervical spinebends on its side 30°the Luschka joint may get displacement. It may stimulate the vertebralis artery and the sympathetic nerve. Conclusion It is the spinal vertebra diaplacement that give rise to spondylopathy and the diseases correlated to spine. This provides an basis for clinical treatment of diseases correlated to spine.
3.Expression level of nuclear factor-kappa,substance P and aquaporin 4 gene in the joint synovium and the change of discharge frequency of pain sensitive neuron in the ventral posteriolateral thalamic nuclens of acute gout rats
Chunyan HAO ; Hubin DUAN ; Junfeng ZHANG
Chinese Journal of Rheumatology 2010;14(2):102-106
Objective To investigate the expression level of nuclear factor-kappa(NF-κB),substance P(SP)and aquaporin 4(AQP4)gene and the change of discharge frequency of pain sensitive neurons (PSN)in the ventral posteriolateral thalamic nucleus(VPL)of acute gout(AG)rats.The neuro-genic inflammation of AG was explored.Methods Forty-eight rats were randomly divided into two groups:the control group and the AG group. According to the time interval after injection of monosodiumurate(MSU)into the the unilateral ankle joint,the AG group was subdivided into seven groups,ie.0.5 hours group,2 hours group,6 hours group,12 hours group,24 hours group,48 hours group and 72 hours group.There were 6 rats in each group.After recording of the discharge frequency of PSN in rats VPL nucleus,the expression level of NF-κB,SP and AQP4 gene in the rats joint synovium were evaluated at mRNA level by PCR in above mentioned time.Results In the 0.5 hours group,the discharge frequency of PSN in the rats VPL nueleus and the expression level of SP gene in the rats joint synovium had increased immediately after the injection of MSU(P<0.05).In the 6 hours group,they reached the peak level(P<0.05),and in the 12 hours group,they began to decrease gradually(P<0.05).In the 0.5 hours group,the expression level of NF-κB and AQP4 gene increased after the injection of MSU(P<0.05).However,their peak level presented at the 12 hours(P<0.05),and they decreaged after 24 hours(P<0.05).The statistical analysis of correlation had shown that there were positive correlation among the expression level of NF-κB,substance P.AQP4 gene and the change of discharge frequency of PSN in the rats VPL nucleus.Conclusion The discharge frequency of PSN in the rats VPL and the expression level of SP gene in the rats ioint synovium can be used to evaluate the Severity of pain in the AG rats.The expression level of NF-κB and SP gene can reflect the severity of neurogenic intlammation.We can know the severity of edema of the joint synovium by detecting the expression level of AQP4 gene.Pain and neurogenic inflammation play an important role in the pathogenesis of AG.Combingelectrophysiology and biochemical technique can shade light on the pathogenesis of AG from different aspects.In the meantime,it may provide a new method for developing new drugs and new approaches for clinical treatment.
5.The effect of hyperuricemia on nuclear factor-κB in myocardial tissue Mn superoxide dismutases activity in mitochondria of rats
Chunyan HAO ; Hubin DUAN ; Junfeng ZHANG
Chinese Journal of Rheumatology 2017;21(3):162-166,封3
Objective To investigate the effect of hyperuricemia (HUA) on nuclear factor-κB (NF-κB) in myocardial tissue,Mn superoxide dismutases (Mn-SOD) activity in mitochondria,cardiac function of rats with HUA.Methods Sixty SD male rats,including 30 young rats and 30 aged rats,were randomly divided into four groups:the young control group,the young HUA group,the aged control group and the aged HUA group.Fifteen rats were in each group.The HUA rat models were set up by lavage method with yeast extract and ethambutol.Left ventricular systolic pressure (LVSP),left ventricular end-diastolic pressure (LVEDP) and left ventricular pressure at the end of the rising and falling maximum velocity (+dp/dtmax) were determined by intubation in the left ventricle with cardiac catheter.Mn-SOD activity in the mitochondria of rat myocardial tissue was detected by chemical colorimetry.The expressions of NF-κB in rats myocardial tissue were measured by immunohistochemistry (IHC) and reverse transcription polymerase chain reaction (RT-PCR).Differences between groups were analyzed with One way analysis of variance,Student-Newman-Keuls q test was used to compare the mean of multiple samples.Results Hyperuricemia had no significant effect on the cardiac function of HUA groups (P>0.05).But the gene and protein expression of NF-κB in myocardial tissue and Mn-SOD activity of mitochondria were impacted by HUA.Both the gene and protein expression of NF-κB and the activity of Mn-SOD in HUA groups were increased (F=85.428 4,120.683 0 and 398.228 3,P<0.01).Furthermore,the increase of gene and protein expression of NF-κB and the Mn-SOD activity in rats myocardial tissue of young HUA group were higher than those in aged HUA group (q=6.818 6,10.693 6 and 18.877 9,P<0.05).Conclusion Hyperuricemia may cause inflammation and increase oxygen free radicals in myocardial tissue on one hand,and it may reduce inflammation and protect the myocardial tissue by increasing the activity of Mn-SOD in myocardial mitochondria of HUA rats,and removing the oxygen free radicals on the other hand.The response to uric acid in young HUA group is stronger than that in the aged HUA group.
6.Cerebrovascular accidents associated with cervical vertebra manipulation therapy
Lixian CHEN ; Tingchen WANG ; Qi XIE ; Junfeng DUAN
Chinese Journal of Rehabilitation Theory and Practice 2003;9(9):553-557
ObjectiveTo describe 64 cases of cerebrovascular accidents temporally associated with cervical vertebra manipulation therapy in terms of patients' characteristics, potential risk factors, nature of complication, and neurologic sequelae.MethodsThree researchers using a uniform data abstraction instrument performed an independent review of 64 previously medicine records describing cerebrovascular ischemia after cervical vertebra manipulation. Descriptive statistics were calculated for characteristics of the patients and the complications. Means and standard deviations were computed for continuous variables. Frequencies were computed for continuous variables. Frequencies and proportions were calculated for categorical variables.ResultsProposed risk factors include age, gender, migraine headaches, hypertension, diabetes, birth control pills, cervical spondylosis, and smoking. It was unable to identify factors from the clinical history and physical examination of the patient that would assist a physician attempting to isolate the patient at risk of cerebral ischemia after cervical manipulation.ConclusionsCerebrovascular accident after manipulation appear to be unpredictable and should be considered an inherent, idiosyncratic, and rare complication of this treatment approach.
7.Electrical and auricular acupuncture for patients with acute spinal cord injury
Lixian CHEN ; Junfeng DUAN ; Xinrong ZHAN ; Qi XIE ; Guihua LONG
Chinese Journal of Rehabilitation Theory and Practice 2005;11(11):934-935
ObjectiveTo evaluate the efficacy and safety of electrical acupuncture therapy through adhesive surface electrodes and concomitant auricular acupuncture therapy on acute spinal cord injury.MethodsA total of 56 acute spinal cord injury patients with American Spinal Injury Association(ASIA) impairment grading of A and B were recruited into this study.They were randomly divided into the acupuncture and control groups.In the acupuncture group,electrical acupuncture therapy via the adhesive surface electrodes and auricular acupuncture were applied.Rehabilitation therapy was also provided to the patients during acupuncture therapy.In the control group,only rehabilitation therapy was provided to the patients.The ASIA neurologic and functional scores and the Functional Independence Measure(FIM) scores were assessed during the time of admission,hospital discharge,and 1-year postinjury follow-up.There were no adverse events.ResultsThere were significant improvements in neurologic(sensory and motor),functional,and FIM scores in the acupuncture group compared with the control either when hospital discharged or 1-year postinjury follow-up.There was no adverse events.ConclusionThe early use of concomitant auricular and electrical acupuncture therapies are effective and safe in treating acute spinal cord injury.
8.Construction of the training mode of English teaching ability for medical professional teachers
Junfeng PAN ; Min YANG ; Wanchun LUO ; Tingting DUAN
Chinese Journal of Medical Education Research 2017;16(1):56-60
Objective To explore the reasonable construction of the bilingual teaching training mode for medical professional teachers so as to improve the effectiveness of the bilingual teacher training,promote the development of faculties and the quality of bilingual teaching in colleges and universities.Methods First,need analysis was done on 45 medical teachers who had taught medical scienc.e in English or intended to do it in Third Military Medical University and four basic modules were formed lectures in class,one on one instruction,self training,simulation teaching.Lectures in class are related to how to improve students' ability of language,make PPT and design teaching plans.One on one instruction focuses on pronunciation,lecture notes writing in English,trial teaching and teaching attitude;self training includes human-computer interaction in listening and speaking,independent preparation for lessons and video learning;simulation teaching is composed of trial lecture in class,teacher-student comments and demo lessons.Then 3 students participating the training was investigated and the analytic hierarchy process (AHP) was applied to calculate the weights of every indices.Results Primary index weights are:0.490 for one-on-one tutoring;0.240 for simulated teaching;0.180 for having English lessons;0.082 for independent learning.Weights of secondary indices are as the following.Trial teaching,the lecture notes writing in English and the training for English pronunciation and teachers' classroom language which are subordinate to the primary index of one-on-one tutoring are 0.180 0,0.150 0 and 0.096 0 respectively;teachers' comments and peer feed-back and demo class under the primary indices of simulated teaching are 0.120 0 and 0.091 0.Conclusion In order to improve the teaching ability in English,it is necessary to strengthen the one-onone tutoring for medical professional teachers,highlight English teachers' comments and peer assessment and excavate the effect of demo classes in the training program.
9.The effects of intermittent pressure on deep tissue injuries
Xingmin LIANG ; Zhongliang JI ; Junfeng DUAN ; Yanting MAI
Chinese Journal of Physical Medicine and Rehabilitation 2012;34(4):255-258
Objective To compare the impacts of sustained and intermittent gradient pressure on perfusion disorders and myofiber injuries and to explore the mechanism by which intermittent gradient pressure helps treat deep tissue injury (DTI). MethodsTwenty Sprague-Dawley rats 10-12 weeks old were randomly divided into an experimental group and a control group.The tibialis anterior muscles of the experimental group received intermittent fluctuating pressure at 8.0-21.3 kPa while the control group received sustained pressure at 13.3 kPa.The contralateral notpressed muscles served as healthy controls.The experiment was terminated after 3 cycles of compression where each cycle involved 2 h of compression and 30 min of conpression release.The general condition of the rats'skin and muscles in the compressed region were observed and laser doppler perfusion imaging was used to detect blood perfusion of the skin of the compressed leg after 3 cycles of compression.Any pathomorphological changes in the tibialis anterior muscles of the compressed region were observed by phosphotungstic acid hematoxylin (PTAH) staining. Results Blood perfusion of the skin and muscle in the control group was significantly less than in the experimental group after compression,and blood flow velocity increased with time in both groups.However,perfusion was significantly more extensive in the experimental group.PTAH staining showed that muscle injury in the experimental group was significantly less severe than in the control group. ConclusionCompared to the sustained pressure,intermittent pressure cause significantly less severe DTI by reducing compression-induced ischemia and hypoxia.
10.Protective effects of peritoneal dialysis on multiple organs of rabbits with omethoate poisoning
Yanhui LI ; Jiachang HU ; Dan LI ; Xiaoqin DUAN ; Junfeng LI ; Lihong WU ; Yan ZHAO
Chinese Journal of Emergency Medicine 2008;17(6):587-590
Objective To explore the protective effects and the mechanisms of peritoneal dialysis (PD) on multiple organs induced by acute organophosphoms pesticide poisoning(AOPP)in order to get a scientific basis for the application of PD to treat AOPP patients. Method The model of AOPP rabbits was made by intragastric administration of 25 mg/kg(0.5LD50)40% omethoate, and the symptoms of poisoning such as myosis, salivating and muscular tremor were observed. Eighteen male Japanese rabbits were randomly divided into control group and peritoneal dialysis group (PD group). Pralidoxime chloride and atropine were given by intra-muscular injection to rabbits of control group (re = 9). Rabbits of PD group ( n = 9) had a tube inserted into peritoneal cavity and peritoneal dialysis was given for 10 times after administration of pralidoxim chloride and atropine. Serum TNF-α,CK-MB (M.B. isoerizyme of creatine kinase), ALT, creatinine, and amylase were observed dynamically. The dialysate of peritoneal dialysis was remained in the peritoneal cavity for testing the nature of intoxicant by using Varian 3900/ Saturn 2100T GC/MS device. All data were analyzed with SPSS version 12.0 software. Statistical comparison between two groups was carried out by using student t-test and analysis of variance(ANOVA) followed by Dunnett-ttests before and after intoxication. The pearson correlation analysis was used for determination of the relationship between TNF-α and other biomarkers. Results After intoxication, serum TNF-α, CK-MB, ALT and amylase increased except creatinine, but the serum levels of those biomarkers in PD group were significantly lower than those in control group.The level of TNF-a had positive correlations with CK-MB ( r = 0.470), ALT ( r = 0.649), and amylase ( r = 0.517). The omethoate was detected in the dialysate of peritoneal dialysis. Conclusions Organophosphorus pesticides can lead the cardiac muscle, liver, kidney and pancreas to the injury through several mechanisms,and the inflammatory mediators play important role in the development of MODS induced by AOPP. Peritoneal dialysis can clean up intoxicants slowly and continuously and in turn lower down the level of inflammatory mediators resulted in protecting multiple organs from AOPP.