Angiotensin-converting enzyme (ACE) gene is one of major candidate genes with genetic susceptibility to stroke. However, its correlation with stroke remains controversial. The relationship between gene polymorphism and stroke also cannot be determined. A specific branch in the ACE phylogenic tree may replace the insertion/deletion polymorphic site as a risk marker of stroke for association study.

Objective The study the formative causes of low dense area in lung on CT images during expiration.Methods This group included 15 young volunteers,mean age was 22 years.Thin sections of spiral CT at right middle hilum were scanned at suspended deep inspiration and deep expiration on both supine and prone positions.The density and area of lobes on matching structural images in the middle hilum at deep inhalation and exhalation were measured on the supine and prone.The increasing rate in area and absolute increasing value in attenuation as full inhalation comparing to full exhalation were calculated.Results Changes of distention and density in the same section of the right lower lobe on dependent position were greater than that on nondependent one.Correlation between distention and density of the lobes was high(P

AIM: To explore clinical significance of the serum changes of neuron-specific enolase (NSE)and S-100 ? protein (S-100 ?) during acute cerebral infarction. METHODS: 59 acute cerebral infarction patients were classified as total anterior circulation infarcts (TACI), partial anterior circulation infarcts (PACI), lacunar infarcts (LACI) and posterior circulation infarcts (POCI). Their serum NSE and S-100 ? concentrations were determinated by enzyme linked immunosorbent assay (ELISA) during stroke onset 6 d, and compared with 32 controls. RESULTS: The every time point serum NSE concentration of TACI was higher than controls (P

Investigation of simvastatin and its related substances was carried out using a reversed phase ultra performance liquid chromatography/tandem mass spectrometry method. The identification of impurities in simvastatin was performed with a triple-quadrupole mass spectrometer, with an electrospray ionization (ESI) source in the negative/positive ion mode. A total of 12 compounds were characterized in commercial samples, among which 2 impurities had never been reported. All the impurities were deduced based on the MS fragment pathways of simvastatin and the biosynthetic pathway of lovastatin. This work provides very useful information for quality control of simvastatin.

This paper is to report the polymorphism of raw materials of clopidogrel bisulfate at home and abroad. By the analysis of Fourier transform infrared spectroscopy (FTIR) and powder X-ray diffraction (p-XRD), samples are roughly classified into two groups, except one patent material. And the differential scanning calorimeter (DSC) examination showed more detailed information for these materials. The results of the study could provide comprehensive basis for the quality evaluation of clopidogrel bisulfate.

Objective In order to evaluate nursing students' clinical nursing knowledge and ability objectively, we tested a clinical nursing examination system which is based on the computer technology. Methods The proposed project used the whole group of sampling methods. Data were collected via class unit. All the 620 subjects recruited from seven classes of grade 2007 (280 students )and eight classes of grade 2008 (340 students). Results Students of grade two without clinical practice had lower scores when answering clinical nursing case problems compared with grade one students who went through clinical practice. Conclusions The computer simulated clinical nursing testing system has better validity and reliability in evaluating students' clinical nursing ability.

BACKGROUND:Synthetic patch as an important substitute to pelvic tissue can replace damaged pelvic fascia tissue, and has been widely used in the pelvic floor reconstruction. OBJECTIVE:To observe the efficacy and complications of pelvic floor reconstruction with mesh, and to explore its safety and effectiveness. METHODS: Forty-five pelvic organ prolapse female patients were divided into two groups according to patient’s wilingness: experimental group, pelvic floor reconstruction with mesh (n=25); control group, transvaginal hysterectomy combined with vaginal wal repair (n=20). Perioperative conditions were recorded, and uterine prolapse staging, complications, pelvic floor function, pelvic discomfort, as wel as an objective cure rate were evaluated in the two groups during the folow-up. RESULTS AND CONCLUSION:Compared with the control group, the experimental group was characterized as shorter operative time, less amount of bleeding, milder infections, and faster recovery (AlP < 0.05). At 6 months of folow-up, the score on uterine prolapse staging was higher in the experimental group than the control group; at 12 months, the scores on pelvic floor function and pelvic discomfort as wel as the incidence of complications were significantly lower in the experimental group (P < 0.05), but the objective cure rate was higher compared with the control group (P < 0.05). These findings suggest that pelvic floor reconstruction with mesh for pelvic organ prolapsed can reduce the operative time and blood loss and promote postoperative recovery. Meanwhile, it can significantly improve pelvic floor function, pelvic discomfort, postoperative complications, the rate of exposure, and the objective cure rate, which is safe and effective during the short-term folow-up.

Objective To examine the expression of BMP4 in CNS of the developing rat. Methods In situ hybridization histochemistry(ISHH) was carried out on tissue sections using specific digoxigenin\|labeled oligonucleotide probe. Results It showed that BMP4 mRNA positive cells were located mainly in cerebellum and olfactory at E16.Strong positive signal was seen in hypoglossal nucleus,and moderate signal also seen in spinocerebellar tract and spinal lemniscus at P1\|2.The number of BMP4 mRNA positive cells was increased in the frontal cortex,parietal cortex,and hippocampus subiculum at P1W.The peak of BMP4 expression was in cortex and periamydaloid cortex.Widely distributed BMP4 mRNA positive cells were detected in cortex and hippocampus of rats at P1M,strong positive signal was observed in temporal CNS at P3M,strong positive signal was observed in hippocampus,temporal corex and periamydaloid cortex,lateral nucleus of thalamus and paraventricular nucleus of hypothalamus.BMP4 mRNA positive cells were also found in corex,hippocampus,hypothalamus and thalamus at P18M.Conclusion\ These results indicated that BMP4 could play an important role in CNS development of rats.

OBJECTIVE:To investigate therapeutic efficacy and safety of Acetic acid goserelin sustained-release implants (AGRI) in the treatment of ovary endometrium cyst (OEC) recurrence after laparoscopic enuleation of ovarian cyst. METHODS:Totally of 60 patients with OEC recurrence after laparoscopic enuleation of ovarian cyst in Zhangjiagang First People's Hospital dur-ing Jan. 2013-Jan. 2015 were divided into control group and observation group according to random number table,with 30 cases in each group. Both groups were given Mifepristone tablets orally 25 mg,qd. Control group was given Gestrinone capsules orally 2.5 mg,twice a week. Observation group was given AGRI subcutaneously 3.6 mg,once a month. Both groups were treated for consec-utive 6 months. Clinical efficacies of 2 groups were observed as well as the levels of serum follicle stimulating hormone(FSH),lu-teinizing hormone(LH)and estradiol(E2),VAS scores of dysmenorrheal and chronic pelvic pain before treatment,3,6 months af-ter treatment. The occurrence of ADR and the prognosis of 12-month follow-up were observed in 2 groups. RESULTS:Total re-sponse rate of observation group was 86.67%,which was significantly higher than 70.00%of control group,with statistical signifi-cance(P<0.05). After 3 months of treatment,the levels of FSH and LH in 2 groups were decreased significantly compared to be-fore treatment,with statistical significance (P<0.05);the level of E2 had no change;there was no statistical significance in the levels of FSH and LH between 2 groups(P>0.05);after 6 months of treatment,the levels of FSH,LH and E2 in 2 groups were decreased significantly,and the observation group was significantly lower than the control group,with statistical significance(P<0.05). After 3 and 6 months of treatment,VAS score of dysmenorrheal and chronic pelvic pain in 2 groups were decreased signifi-cantly,and the observation group was significantly lower than the control group,with statistical significance(P<0.05). The inci-dence of ADR in observation group was 40.00%,which was significantly higher than 16.70% of control group,with statistical sig-nificance(P<0.05). There was no statistical significance in recurrence rate between 2 groups(P>0.05). The recovery rate of men-struation in observation group was 86.67%,the rate of dominant follicle formation was 60.00% and pregnancy rate was 53.33%, which were significantly higher than 46.67%,46.67% and 33.33% of control group,with statistical significance(P<0.05). CON-CLUSIONS:AGRI shows significant therapeutic efficacy for OEC recurrence after laparoscopic enuleation of ovarian cyst,can ef-fectively relieve dysmenorrhea and chronic pelvic pain,increase the rate of pregnancy. There is still recurrent cases after drug with-drawal. The incidence of ADR is high,but the symptoms are mild.

Objective To investigate the prevalence and risk factors of intracranial vertebrobasilar artery stenosis. Methods By cluster sampling, adult Han people were recruited from residential communities. Medical history was documented and body height, body weight, waist circumference, hip circumference and blood pressure were measured. Venous blood samples were collected to determine serum fasting glucose, total cholesterol and triglycerides concentrations. Intracranial vertebrobasilar artery stenosis was diagnosed with transcranial Doppler. The SPSS 11.0 software package was used for data analysis. Results Among 1035 people conforming to the inclusion criteria, intracranial vertebrobasilar artery stenosis was found in 58 (5.6%), 17 with left VA stenosis, 23 with right VA stenosis and 30 with BA stenosis.Univariate analysis showed that subjects with diabetes mellitus had a significantly higher prevalence ( 10. 3% ) of intracranial vertebrobasilar artery stenosis (χ2 = 6. 221, P = 0. 013 ) and the mean systolic blood pressure (( 131.1 ± 25.5) mm Hg, 1 mm Hg = 0. 133 kPa) in the subjects with stenosis was significantly higher than those without (3.2%, ( 124. 1 ± 21.6) mm Hg) (t = 2. 228, P = 0. 026). Logistic regression indicated that diabetes mellitus and systolic blood pressure were independent risk factors for intracranial vertebrobasilar artery stenosis ( diabetes mellitus: OR = 3. 305, P = 0. 023; elevated systolic blood pressure 1 mm Hg: OR = 1. 012, P =0. 047). Conclusions This study demonstrated a considerably high prevalence of intracranial vertebrobasilar artery stenosis in a southern Chinese population. Diabetes mellitus and systolic blood pressure play potent roles in intracranial vertebrobasilar artery stenosis.