Objective To evaluate the effect of desflurane on blood flow velocity in the middle cerebral artery (VmMCA) and cerebrospinal fluid pressure (CSFP).Methods Sixty patients were randomly assigned to two groups. In group A,the anesthesia was maintained with desflurane, and in group B, with isoflurane. In either group, patients were allocated to three subgroups according to different doses(05,08,1.1MAC). CSFP was measured through a lumbar subarachnoid catheter before surgical procedures,from induction to administration of the inhalational agent for 45min.VmMCA was measured by transcranial Doppler at baseline , postintubation and administration of agent for 45min. Results As compared with baseline,CSFP increased gradually and reached to 16.90?4.01mmHg in subgroup 1.1MAC of group A (P0.05). Compared with baseline, VmMCA increased significantly at 45th min following administration of agent in subgroup 11MAC of group A(P005). In group A , a significant parallel correlation existed between the MAC levels and the values of VmMCA or CSFP (r=0.52,P

OBJECTIVE:To systematically review the efficacy and safety of the generic and original preparation of atorvas-tatin,and provide evidence-based reference for clinical treatment. METHODS:Retrieved from PubMed,EMBase,Cochrane Li-brary,CJFD,Wanfang Database,VIP and CBM,related randomized controlled trials(RCT)about generic preparation of atorvas-tatin(test group)versus original preparation of atorvastatin(control group)were collected. Meta-analysis was performed by using Rev Man 5.3 software after data extract and quality evaluation. RESULTS:Totally 16 RCTs were included,involving 2 077 pa-tients. Results of Meta-analysis showed,compared with control group,there were no significant differences in reducing total choles-terol (TC) [MD=-0.06,95%CI(-0.14,0.01),P=0.11],triglyceride (TG) [MD=-0.00,95%CI(-0.08,0.08),P=0.99], low-density lipoprotein cholesterol (LDL-C) [MD=-0.07,95%CI(-0.16,0.01),P=0.09],increasing high-density lipoprotein cholesterol(HDL-C)[MD=-0.00,95% CI(-0.03,0.03),P=0.96] and the incidence of major adverse cardiac events(MACE) [OR=1.18,95%CI(0.71,1.97),P=0.52] in test group;in terms of safety,compared with control group,there were no significant differences in the resulting in alanine aminotransferase (ALT) increased [OR=1.08,95%CI(0.51,2.30),P=0.83],the incidences of myalgia [OR=2.46,95%CI(0.70,8.65),P=0.16] and gastrointestinal adverse reactions [OR=1.11,95%CI(0.64,1.95),P=0.71]. CONCLUSIONS:Both the generic and original preparation of atorvastatin can effectively reduce blood lipid levels,with sim-ilar safety.

Objective To evaluate the clinical value of liquid-based thinprep cytology test (TCT) and human papillomavirus (HPV) in cervical lesions diagnosis.Methods 525 patients with TCT was inflammation and abnormalities had HPV testing and colposcopy with biopsy analysis.Results Histopathological diagnosis as CIN Ⅰ or CIN Ⅰ above cases percentage of TCT of ASCUS,LSIL,HSIL,and cancer cases were 55 ％ (160/290),88 ％ (99/113),92 ％ (24/26) and 100 ％ (4/4),Pathological diagnosis as inflammation and glandular phosphate in 441 cases of this TCT-positive patients were 148 patients,false positive 34 ％.TCT-negative patients,pathologically confirmed of CIN in 84 cases patients with moderate to severe cervical erosion or cervical polyps were 22 cases,26 ％ TCT false negative.They had statistically significance (x2 =815.4,P =0.000).74 ％ HPV positive patients diagnosed as CIN Ⅰ or CIN Ⅰ above (x2 =104.94,P =0.000).Diagnosed as CIN Ⅰ cases in less than 30 years old accounted for 62 ％ (61/98),CIN Ⅱ and above for only 38 ％ (37/98) and without cancer.But the CIN Ⅰ in above 30 age group was significantly reduced to only 37 ％ (81/217),CIN Ⅱ and above was significantly increased to 63 ％ (136/217),and cancer rate increased (x2 =63.71,P =0.012).Histopathological diagnosed as CIN Ⅰ case were 26 ％ (83/315) of cervical smooth,74 ％ (232/315) of cervical erosion; 14 cases of cancer occurred in patients with cervical erosion.It was statistically significant (x2 =39.9,P =0.014).Conclusion TCT and HPV for screening of cervical lesions play an important role in cervical lesions screening.

Magnetic induction hyperthermia becomes a very important tumor treatment method at present. In order to ensure a successful operation, doctors should make hyperthermia treatment planning before surgery. Based on Integration Healthcare Enterprise (IHE) framework and Digital Imaging and Communications in Medcine (DICOM) standard, we proposed and carried out a network workflow integrated with modern medical information systems for the dissemination of information in magnetic induction hyperthermia like accurate accessing patient information and radiology image data, storing processed images, sharing and verifying hyperthermia reports. The results proved that our system could not only improve the efficiency of magnetic induction hyperthermia treatment planning, but also save medical resources and reduce labor costs.
Humans ; Hyperthermia, Induced ; Image Processing, Computer-Assisted ; Magnetic Phenomena ; Neoplasms ; therapy ; Radiology Information Systems ; Systems Integration

BACKGROUND: In recent years, nano-carriers have been regarded as the most promising technologies for breakthrough the bottleneck of gene transfer. Polyamidoamine dendrimer (PAMAM) is a kind of new nanometer material. PAMAM can transfer target gene to the cell with high efficiency and lower toxic both in vivo and in vitro.OBJECTIVE: To evaluate the antitumour effects of survivin antisense oligonucleotide (Survivin-asODN) carried by PAMAM on colorectal cancer transplanted subcutaneously in nude mice.DESIGN, TIME AND SETTING: An in vivo experiment regarding tumor gene therapy was performed from February to August in 2008 at the Laboratory of Bionanometer Engineering, Research Institute of Micro/nanometer Science & Technology of Shanghai Jiao Tong University and Central Laboratory of Zhujiang Hospital of Southern Medical University.MATERIALS: Human colorectal cancer cells SW620 were from Shanghai Cell Institute of Chinese Academy of Sciences.PAMAM dendrimer was offered by the Bionanometer Engineering Laboratory, Research Institute of Micro/nanometer Science & Technology, Shanghai Jiao Tong University. Lipofectamine ~(TM)2000 was purchased from Invitrogen, USA. Survivin-asODN was synthesized by Shanghai Bioengineering Company.METHODS: The PAMAM and cation liposome were respectively mixed with Survivin-asODN to generate the transfection complex carrying antisense gene. The shape of the complex was observed by transmission electron microscope, the particle size was determined by laser particle size analysator and the zeta potential was measured by an analytical tool. The encapsulating efficiency and release progress in vitro were determined by ultraviolet spectrophotometer in centrifuging method. Human colorectal cancer cells SW620 at logarithmic phase were inoculated into the abdominal region of 18 Blab/C nude mice subcutaneously to produce transplanted tumor models in colorectal cancer nude mice, which were randomly divided into 3 groups: liposome, PAMAM and blank control groups. They were injected respectively with Hposome-survivin-asODN complex,PAMAM-survivin-as ODN transfection complex and seroculture liquid. The volumes of tumor were surveyed in the 2 groups.Western blotting method was used to determine the survivin gene expression in the transplanted tumor tissue.MAIN OUTCOME MEASURES: Particle size, zeta potential, gene loading level, encapsulation efficiency, release rate of cationic liposome-survivin-asODN complex and PAMAM-survivin-asODN complex, as well as survivin expression rate and apoptosis rate after transfection, inhibition rate of the transplanted tumor growth, Survivin protein expression and activity in the transplanted tumor cells.RESULTS: The particle size of PAMAM-survivin-asODN complex was smaller (P < 0.01), but the zeta potential was greater (P < 0.05), compared with liposome-survivin-asODN. There was no significant difference between PAMAM and liposome groups in terms of gene loading rate and transfection efficiency. DNA release lasted for 14 days for PAMAM, but only 5 days for liposome.After colorectal cancer cell transfection, survivin protein expression was lower, but apoptosis rate was higher, in the PAMAM-survivin-asODN complex than in the liposome-survivin-asODN complex (P < 0.05).CONCLUSION: PAMAM facilitates delivery of Survivin-asODN into transplanted colorectal cancer cells SW620. As a result,survivin protein expression was decreased, and apoptosis rate was increased in vivo which inhibited transplanied tumour growth.

Animals ; Blood Glucose ; drug effects ; Body Weight ; drug effects ; Chronic Disease ; Female ; Hypoxia ; physiopathology ; KATP Channels ; drug effects ; Male ; Propylamines ; pharmacology ; Protective Agents ; pharmacology ; Rats ; Rats, Sprague-Dawley

ObjectiveTo investigate the role of the benzodiazepine receptor in the amnesic effect of propofol,etomicdate and ketamine in mice.MethodsTwo hundred and eighty-eight Kunming mice of both sexes weighing 18-23 g were randomly divided into 9 groups( n =32 each):gruup normal saline + normal saline (group NN); group normal saline+ fat emulsion (group NF); group flumazenil + normal saline (group FN); group normal saline + propofol (group NP) ; group flumazenil + propofol (group FP) ;group nomal saline + etomidate (group NE) ; group flumazenil + etomidate (group FE); group normal saline + ketamine (group NK) and group flumazenil + ketamine (group NK).Normal saline 10 ml/kg was given IP at 10 min before the tests,and normal saline 10 ml/kg,fat emulsion 10 ml/kg,propofol 25 mg/kg,etomidate 3 mg/kg and ketamine 20 mg/kg at 5 min before the tests in groups NN,NF,NP,NE and NK respectively.Flumazenil 1 mg/kg was given IP at 10 min before the tests,and normal saline 10 ml/kg,fat emulsion 10 ml/kg,propofol 25 mg/kg,etomidate 3 mg/kg and ketamine 20 mg/kg at 5 min before the tests in groups NN,NF,NP,NE and NK respectively.Darkness-avoiding test,platform-mounting test and Morris water maze test were performed to assess the cognition function.The latency of response and number of error were recorded in each test.ResultsPropofol,etomidate and ketamine significanfly shortened the duration of latency of response in platform-mounting test as compared with group NN.Etomidate also significantly increased the number of error in platform-mounting test as compared with group NN,while ketamine prolonged the duration of latency of response in Morris water maze test as compared with group NN.Flumazenil significantly counteracted the above action of the 3 intravenous anesthetics.ConclusionBenzodiazepine receptor may play an important role in the amnesic effect induced by propofol,etomidate and ketamine.

To compare angiopoiesis ability of eutopic and ectopic endometrial tissue isolated from women with endometriosis and endometrium isolated from women without endometriosis (control), and to explore the inhibitory effects of medicated serum of Neiyi Recipe, a compound traditional Chinese herbal medicine.

Objective To compare the effect of four-in-one teaching method and traditional teaching method in clinical clerkship teaching in the department of obstetrics and gynecology. Methods Totally 70 clinical probationer were enrolled(35 from 2007 grade were taken as control group and 35 from 2008 grade were taken as experiment group ). Four-in-one teaching method and traditional teaching method were respectively in experiment group and control group. Examination score and clinical skill re-sults were analyzed by t test and satisfaction degree was analyzed byX2 test. P<0.05 signifies statistical sig-nificances . Results Examination score of experiment group and control group were 86 . 9 ± 7 . 7 and 76.5 ±8.7 respectively with statistically significant differences(P=0.000). Clinical skill score of experi-ment group and control group were 87.6±6.9 and 75.9±7.5 respectively with statistically significant dif-ferences(P=0.000). Each questionnaire index was significantly higher in experiment group than in con-trol group with statistically significant differences(P=0.000). Conclusions Four-in-one teaching method can make students understand theoretical knowledge and master obstetrics and gynecology basic clinical skills,enhance interests in learning,build up self-confidence and establish preliminary clinical thinking ability and innovation ability which will lay a solid foundation for future clinical and research practice.

Objective To explore the radiosensitivity of berberine on esophageal cancer cells under hypoxia condition.Methods MTT assay and clonogenic survival assay were used to evaluate the effect of berberine on proliferation inhibition and radiosensitivity of esophageal cancer cells,respectively.Immunofluorescence was employed to examine the expression of HIF-1.The change of cell cycle distribution and cell apoptosis was assayed by flow cytometry.The expression of HIF-1 was measured by Western blot.DNA damage was detected by γ-H2AX Foci counting.Results With a clear dose and time effect,berberine inhibited cell proliferation and enhanced cell radiosensitivity(t =3.69,P＜0.05)with a sensitizing enhancement ratio(SER)of 1.42.Berberine caused a dose-dependent decrease in HIF-1 protein expression and also significantly increased the cell apoptosis in ECA-109 population(t=4.74,P＜0.05).Compared with the radiation alone group,berberine enhanced X-ray induced DNA double chain breaks(DSB).Conclusions Berberine can increase the radiosensitivity of esophageal cell line ECA-109,which may be associated with decrease of HIF-1 expression and induction of apoptosis in ECA-109 cells.