Objective To explore the teaching efficacy of applying scene simulation in enteral nutrition nursing skills training.Methods Totally 126 nursing students were randomly divided into 2 groups:experiment group with scene simulation teaching method and control group with traditional teaching method.Comparison of teaching efficacy between the two methods was made.Results The students in experiment group can skillfully complete nutritional care and get the praise of teachers.The satisfied patients made by students in experiment group were higher than those in control group 14.28％ - 19.05 ％ ( P＜0.05 ).The assessment scores of theoretic knowledge test and enteral nutrition nursing manipulation examination and comprehensive nursing skill test were higher in experimental group than in control group 6.69 - 11.94 ( P＜0.005 ).Conclusion Scene simulation teaching method is suitable for enteral nutrition nursing skill training and is favored by nursing students.

Aged, 80 and over ; Blood Vessel Prosthesis Implantation ; adverse effects ; methods ; Humans ; Male ; Pacemaker, Artificial ; Subclavian Artery ; surgery

Objective To investigate the value of diffusion weighted magnetie resonance imaging and apparent diffusion coefficient (ADC) value in the diagnosis of pancreatic cancer.MethodsThe clinical data of 36 patients with pancreatie cancer who were admitted to the Wuxi No.2 People's Hospital from March 2009 to June 2011 were retrospectively analyzed,and the clinical data of 30 healthy volunteers were collected.All candidates received diffusion weighted magnetie resonance imaging examination.The signal intensity ratios ( SIRs ) of the cancer and the pericancerous tissues in the T1 weighted-images (T1WI),T2 weighted-images (T2WI)and diffusion weighted-images (DWI) were compared by using one-way analysis of variance.The ADC values of the cancer and the paricancerous tissues were compared using the paired t test.The differences of the ADC values of the cancer and pericancerous tissues compared with those of healthy individuals were analyzed using an independent sample t test.ResultsThe accuracy rate of preoperative magnetic resonance imaging examination was 92％.The relative SIRs were 0.203 ± 0.190 in the T2 WI,0.399 ± 0.201 in the T1 WI and 0.579 ± 0.291 in the DWI,respectively,with no significant differences across the 3 kinds of images (F=5.92,6.15,6.83,P ＜ 0.05 ),while SIRs of the T1 WI and DWI were significantly higher than that of the T2 WI ( P ＜ 0.05 ).There was no significant difference in SIRs when comparing T1 WI and DWI ( P ＞ 0.05 ).The mean ADC values of the cancer and pericancerous tissues of the pancreatic cancer patients and the pancreatic tissues of healthy individuals were (1.40±0.24) ×10 3 mm2/s,(1.71 ±0.10) ×10-3 mm2/s and (1.73±0.30) ×10-3 mm2/s,respectively,with significant differences across the 3 modes of images (t =10.54,12.08,P ＜ 0.05).ConclusionDWI can show high quality images of the lesions,and ADC value is helpful in the diagnosis of pancreatic cancer.

Adult ; Calcinosis ; diagnostic imaging ; pathology ; surgery ; Cysts ; diagnostic imaging ; pathology ; surgery ; Diagnosis, Differential ; Female ; Humans ; Lymphatic Vessel Tumors ; pathology ; Mucocele ; pathology ; Parasitic Diseases ; pathology ; Spleen ; diagnostic imaging ; Splenectomy ; Splenic Diseases ; diagnostic imaging ; pathology ; surgery ; Tomography, X-Ray Computed

ObjectiveTo evaluate the osteoinductivity of cationic liposome mediated recombined human bone morphogenetic protein-2 gene (rhBMP-2) transfer in skeletal muscle stem cells (SMSCs) of rabbits. MethodsSMSCs were transfered by pAGFP rhBMP-2 liposome complex. Gene transferred SMSCs were evaluated with immunohistochemistry.ResultsThe transfection rate of SMSCs transferred by cationic liposome mediated pAGFP-rhBMP-2 was 14.18%. Positive stain of rhBMP-2, alkaline phosphatase(ALP),collegenⅠhad been found in the transferred SMSCs.ConclusionQuantity of SMSCs is enough to be target cells of gene therapy. Cationic liposome can mediated bone morphogenetic protein-2 gene transfected SMSCs in vitro. Compared with AdrhBMP-2,the transfection rate of liposome mediated bone morphogenetic protein-2 gene transfected SMSCs is lower.

As the medical college students are scattered to each practice hospital, the status of the secondary clinical medical colleges' education management to interns is weakened, and the problems and contradictions are becoming increasingly prominent. In the process of internship education management, through the establishment of the secondary medical colleges' interconnection management working mecha-nism, we can effectively solve the outstanding problems in the current internship edu-cation management, to achieve mutual trust between the secondary clinical medical college and the training hospital, and en-hance the effectiveness of the management of interns.

OBJECTIVETo investigate and compare the effects and mechanisms of three functional parts of Dahuang Zhechong Pill (DHZCP), including drugs with the function of removing blood stasis and promoting blood circulation (FP-I), drugs with the function of expelling heat and moistening dryness (FP-II), and drugs with the function of nourishing yin and replenishing blood (FP-III) of DHZCP, on platelet-derived growth factor (PDGF)-stimulated vascular smooth muscle cells (VSMCs) proliferation with the method of serum pharmacology.

METHODSVSMCs proliferation of rat was assayed by measuring the cell viability with the 3-(4, 5-dimethylthiazol-2yl)-2, 5-diphenyltetrazolium bromide (MTT) method. DNA synthesis in VSMCs was examined by detecting 5'-bromo-2'-deoxyuridine incorporation with the immunocytochemical method. Cycle of VSMCs was evaluated with flow cytometry. Expression of cyclin D1, p27, PKCα, and phosphorylated extracellular signal regulated kinase 1/2 (ERK1/2) was quantified by the Western blotting method.

RESULTSThe FP-I and FP-III containing serum was capable of inhibiting PDGF-stimulated proliferation and DNA synthesis of VSMCs, arrested VSMCs in G phase, downregulated cyclin D1, and upregulated p27 expression (P <0.01 or P <0.05). The FP-I and FP-III containing serum also inhibited the PDGF-induced phosphorylation of tyrosine of ERK1/2 and PKCα expression (P <0.01 or P <0.05).

CONCLUSIONSFP-I and FP-III of DHZCP are able to inhibit VSMCs proliferation via interrupting PKCα-ERK1/2 signaling, modulating the expression of cell cycle proteins to result in arresting the cells in G phase. The inhibitory effect is mainly related to the function of removing blood stasis and promoting blood circulation, slightly to the function of nourishing yin and replenishing blood, but not to the function of expelling heat and moistening dryness.

Animals ; Cell Cycle ; drug effects ; Cell Proliferation ; drug effects ; Cyclin D1 ; metabolism ; Cyclin-Dependent Kinase Inhibitor p27 ; metabolism ; DNA ; biosynthesis ; Drugs, Chinese Herbal ; pharmacology ; Enzyme Activation ; drug effects ; Extracellular Signal-Regulated MAP Kinases ; metabolism ; MAP Kinase Signaling System ; drug effects ; Male ; Muscle, Smooth, Vascular ; cytology ; Myocytes, Smooth Muscle ; cytology ; drug effects ; enzymology ; Platelet-Derived Growth Factor ; pharmacology ; Protein Kinase C-alpha ; metabolism ; Rats ; Rats, Sprague-Dawley ; Serum ; metabolism

OBJECTIVETo investigate effects of dahuang zhechong pill ( DHZCP) on the cell cycle and the related signal pathways in vascular smooth muscle cells (VSMCs) stimulated by platelet-derived growth factor (PDGF) with the method of serum pharmacology.

METHODSDNA synthesis in VSMCs was examined by detecting 5'-bromo-2'-deoxyuridine incorporation with the immunocytochemical method. The cycle of VSMCs was evaluated with flow cytometry. Expressions of cyclin D1, p27, protein kinase Cα (PKCα), and phosphorylated extracellular signal regulated kinase 1/2 (ERK1/2) were quantified by Western blot method.

RESULTSDHZCP containing serum significantly inhibited DNA synthesis of PDGF-stimulated VSMCs, arrested the cells in G G(1) phase, modulated the protein expressions of cyclin D D(1) and p27, and suppressed the activation of PKCα and ERK1/2.

CONCLUSIONDHZCP containing serum inhibits VSMCs proliferation via modulating the expressions of cell cycle proteins to arrest the cell in G G(1) phase, which is attributed to, at least in part, suppressing PKCα-ERK1/2 signaling in VSMCs.

Animals ; Aorta, Thoracic ; cytology ; Blood Proteins ; pharmacology ; Cell Proliferation ; drug effects ; Cells, Cultured ; Cyclin D1 ; metabolism ; Cyclin-Dependent Kinase Inhibitor p27 ; metabolism ; DNA ; biosynthesis ; Drugs, Chinese Herbal ; pharmacology ; G1 Phase ; drug effects ; physiology ; MAP Kinase Signaling System ; physiology ; Male ; Muscle, Smooth, Vascular ; cytology ; drug effects ; enzymology ; Platelet-Derived Growth Factor ; pharmacology ; Protein Kinase C-alpha ; metabolism ; Rats ; Rats, Sprague-Dawley

ObjectiveTo study the potential of using temporal clustering analysis(TCA)technique in localizing an epileptogenic zone.MethodsTwelve patients with epilepsy were examined using resting functional MRI(fMRI). The patients had detectable focal lesions on cranial MRI.TCA was performed to analyze resting fMRI data in order to identify the timing of interictal epileptiform discharges (IEDs).Standard event-related fMRI analysis in SPM99 was used to generate maps of the activation induced by epileptic brain activities.Comparisons were made between TCA Resultsand SPM motion trochoid.ResultsEight of the twelve subiects showed activations in the brain regions that were consistent with those lesions determined on anatomic MRI.The remaining four subiects showed no clear activation in the areas of detectable lesions. In addition, correlation was found between TCA Resultsand motion trochoids.ConclusionsTemporal cluster analysis,an exploratory data-driven technique,may provide the timing information about interictal epileptiforill discharges.However,the Resultsfrom this novel fMRI analytical technique need to be interpreted with caution as it is vulnerable to motion artifact.

Objective To analyze the radiolngical findings of mediastinal ganglioneuroma and to improve its diagnostic accuracy. Methods Imaging data of 8 cases of pathologically proven mediastinal ganglioueuroma were restrospectively analyzed. Results These tumors could occur in the anterior mediastinum, middle mediastinum or posterior mediastinum, with a preference for the posterior mediastinum (6/8). No specific clinical symptoms and signs were observed. Well-defined enlargrment of mediastinum with homogeneous density was shown on plain X-Ray. CT scanning was performed in 7 cases, including non-contrast scan alone (n = 3 ), both non-coutrast and contrast-enhanced scans ( n = 4). Round or oval shaped, well circumscribed, homogeneous or slightly heterogeneous, hypadense masses were demonstrated on non-contrast scan. Spotty calification could be found in a few cases. Homogeneous or slightly heterogeneous enhancement was seen following the intravenous injection of contrast material. Large tumors showed a tendency of wedging into the space between adjacent organs and structures, and encasing the nearby large vessels. MR without contrast was performed in 1 case. T1 WI showed isointensity to adjacent muscle, T2WI showed homogeneous hyperintensity. Multi-planar reconstruction provided more information concerning the relationship of the mass lesions with neighboring structures. Conclusion Mediastinal ganglioneuromas have some specific characterstics on imaging studies, which could assist in pre-operative diagnosis and surgical planning.