Objective To study the effect of oppressing with catheter balloon and carboprost tromethamine to prevent hemorrhage caused by central placenta previa during cesarean.Methods The clinical data of 22 cases oppressing with catheter balloon and carboprost tromethamine to prevent hemorrhage caused by central placenta previa during cesarean were analyzed retrospectively.Results Among of 22 cases,17 patients succeeded in haemostasis ＜ 2 000 ml.Catheter balloon was took out after 24 h.No infection and late postpartum hemorrhage.There were 3 uterine artery ligation because of placenta implantation with haemostasis 2 000-3 000 ml,1 uterine artery embolization,1 hysterectomy with haemostasis 4 000 ml because of disseminated intravascular coagulopathy and no maternal died.The patients were given postoperative routine antibiotics for 3-7 d,no infection and late postpartum hemorrhage.Conclusion Oppressing with catheter balloon and carboprost tromethamine is an effective measure to treat hemorrhage caused by central placenta previa during cesarean.

Objective To detect the expression and significance of suppressor of cytokine signaling 3(SOCS3) in the placentas of pregnant women with intrahepatic cholestasis of pregnancy (ICP). Methods Totally, 44 ICP gravidas, including 21 severe ICP and 23 mild ICP who delvered through cesarean section at the Second Xiangya Hospital of Central South University from April 2008 to January 2009, were selected as the ICP group, and another 25 healthy pregnant women were chosen as control. Placentas of the above gravidas were collected and the expression and localization of SOCS3 were determined by immunohistochemical peroxidase streptomyces-avidin link (SP) method (indicated by the percentage ofpositive cells and average gray scale) and the levels of interleukin-10 (IL-10) and interferon-γ (IFN-γ)from placenta homogenation were measured by enzyme linked immunoadsorbent assay (ELISA). Results(1) SOCS3 were expressed in placentas of both groups mainly in the intracytoplasma of trophocyte.However, weakly positive, positive, and strongly positive expressions were found in the severe ICP, mild ICP and the control group, respectively. Almost no expression was detected in membrane and nucleus of the trophoblasts. (2) The percentage of SOCS3 positive cells in the severe ICP group was significantly lower than in the control and the mild ICP group, respectively [ (0.15±0.08)% vs (0.69±0.12)% and (0.42±0.09) % , P < 0.01 ]. The average gay SOCS3 in placental tissue in the severe ICP group was significantly higher than that in control and mild ICP group, respectively (204 ±7 vs 81 ±7 and 147 ± 7, P <0.01 ).(3) Significant lower level of IL-10 in placenta homogenation was found in the severe ICP group than in the control and mild ICP group [ ( 1.16 ± 0.68) μg/L, vs ( 1.39 ± 0.08) μg/L and ( 1.22 ± 0.75 ) μg/L,P < 0.01 ]. (4) The opposite results were found in the level of IFN-γin trophoblasts and the ratio of IFN-γ/IL-10 [ severe ICP group: ( 16.8 ± 0.7 ) μg/L and 16.02 ± 2.79; control group: ( 10.5 ± 0.3 ) μg/L and8.56 ±0.14; mild ICP group: ( 13.4 ±0.5) μg/L and 8.56 ±0.14, P <0.01]. (5) Negative correlation was shown between the percentage of SOCS3 positive cells in trophoblasts and the ratio of IFN-γ/IL-10 ( r =-0.685 and -0.702, P < 0.01 ), and the average gay SOCS3 was positively correlated with the ratio of IFN-γ/IL-10 (r=0.621 and 0.891, P<0.01) in both mild and severe ICP group. Conclousions SOCS3 may participate in the pathogenesis of ICP and its expression may affected by the severity of ICP, and SOCS3may also play a role in the immunological regulation in ICP patients.

Objective To investigate the effect of atorvastatin combined with alendronate in the treatment of senile osteoporosis.Methods One hundred and sixty cases patients with osteoporosis were randomly divided into control group and study group,each group had 80 cases.Control group were received alendronate sodium tablets 70 mg weekly,alfacalcidol soft capsules,2 tablets daily,calcium carbonate tablets D 3,2 tablets daily.Study group received atorvastatin calcium 1 tablet daily based on control group.Twenty weeks were a course.Biochemical indicators(collagen amino terminal peptide(NTX),25-hydroxyitamin D,alkaline phosphatase(ALP),bone growth protein(BGP),parathyroid hormone(PTH),collagen type Ⅰ carboxyl terminal peptide(CTX) level),inflammatory factors(TNF α,IL-6) and visual analogue scale(VAS),bone mineral density(BMD) were compared between two groups.Results After treatment,VAS scores in both groups decreased significantly,while,VAS in study group((1.8±0.4) points) was significantly lower than that in control group((2.6±0.7) points,t=8.87,P<0.05).BMD in different parts in both groups increased significantly,while BMD in different parts in study group(femoral neck:(0.90±0.08) g/cm3,lumbar vertebra:(0.98±0.04) g/cm3,oblique eminence of cuboid bone:(0.79±0.04) g/cm3,femur:(0.98±0.07) g/cm3) were significantly higher than that in control group(femoral neck:(0.82±0.09) g/cm3,lumbar vertebra:(0.92±0.06) g/cm3,oblique eminence of cuboid bone:(0.72±0.05) g/cm3,femur:(0.90±0.06) g/cm3,t=5.94,7.44,9.78,7.76,P<0.05).NTX,PTH,CTX in both groups decreased significantly,while,NTX((10.3±2.8) nmlo/L),PTH((4.4±1.1) μg/L),CTX((0.3±0.1) μg/L) in study group was significantly lower than that in control group(NTX:(13.2±3.6) nmlo/L,PTH:(4.9±1.3) μg/L,CTX:(0.4±0.1) μg/L,t=5.69,2.63,6.32,P<0.05).And 25-hydroxy-vitamin D,ALP,BGP in both groups increased significantly,while 25-hydroxy-vitamin D in study group((20.4±3.7) ng/mL) was significantly higher than that in control group((18.6±3.5) μg/L).TNF-α,IL-6 in both groups decreased significantly(before treatment:TNF-α,IL-6 in study group were (9.0±2.3) μg/L,(167.2±55.6) μg/L,in control group were (8.9±2.5) μg/L,(162.5±68.4) μg/L),while,TNF-α,IL-6 in study group was significantly lower than that in control group((3.7±1.2) μg/L vs.(5.6±1.5) μg/L,(69.8±16.7) μg/L vs.(118.4±32.4) μg/L,(9.0±2.3) μg/L vs.(8.9±2.5) μg/L,t=8.85,11.93,P<0.05).Conclusion Atorvastatin combined with alendronate sodium can effectively improve BMD in OP patients,relieve pain and improve clinical symptoms.

Objective To study the effect of angiotensinⅡon the expression of monocyte chemoattractant protein-1 (MCP-1) in cultured human umbilical vein endothelial cells(hUVEC) , and the effect of peroxisome proliferator- activated receptors (PPARs)?and?on MCP-1. Methods MCP-1 protein level was detected by enzyme-linked immunosorbent assay (ELISA) method, and the mRNA expression level of MCP-1 was determined by RT-PCR. Results AngiotensinⅡdistinctly increased the expression of MCP-1 in a dose-dependent manner in cultured hUVECs, and valsartan inhibited the expression of MCP-1 remarkably. Both rosiglitazone (PPAR7 agonist) and fenofibrate (PPAR?agonist) concentration- dependently reduced the expression of MCP-1 in induced by AngⅡ10-6 mol/L. Conclusions AngiotensinⅡcan increase the expression of MCP-1 evidently in hUVECs, which is inhibited by valsartan. The activation of PPARa and PPAR?can decrease the expression of MCP-1 in hUVECs.

Objective To investigate the microstructure and ultrastructure changes of cardiac muscle, pallium, lung, liver and kidney tissue and hemodynamic effects after the success of cardiac arrest (CA)-cardiopulmonary resuscitation(CPR) of swine. Method A total of 16 Beijing swine(weight 29 ～ 35 kg)were randomly (random number) divided into normal-control group ( n = 8) and standard CPR group ( n = 8). The swine of the former group were only given anesthetized and intubated, without ventricular fibrillation and CPR. The swine of the latter group were given standard CPR after 4 min of untreated VF, from 10 min after restoration of spontaneous cirkg) and keep for 6 h. And cardiac output (CO), left ventricular maximal rate of systolic pressure ( + dp/dtmax),maximum reduction of left ventricular diastolic velocity ( - dp/dtmax), heart rate (HR) and mean arterial pressure (MAP) of these animals before ventricular fibrillation and 0.5 h, 2 h, 4 h, 6 h after ROSC have been monitored.All swine were put to death after 6 h,and got their cardiac apex, pallium, left lung, right lobe of liver and upper pole of left kidney quickly for microstructure and ultrastructure studies. Statistical analysis was performed using two paired samples t test. Results At different time points after restoration of spontaneous circulation, the cardiac output (CO),left ventricular maximal rate of systolic pressure ( + dp/dtmax), maximum reduction of left ventricular diastolic velocity (- dp/dtmax) were significantly lower than before ventricular fibrillation, with significant difference ( P ＜ 0.05). And HR of different time points were increased significantly ( P ＜ 0.05), with no significantly difference between MAP of each time points ( P ＞ 0.05). Compared with the normal-control group, the cardiac muscle, pallium, lung, liver and kidney tissue of the swine in standard CPR group were found different degree of damages in their microstructure and ultrastructure sections. The damages of the cardiac muscle, pallium, and lung tissue were more obviously. Conclusions Sudden cardiac arrest(CA)-cardiopulmonary resuscitation(CPR) could cause different degree of damages and hemodynamic effects on the body, through our ROSC 6 h model, the damages of the cardiac muscle, pallium and lung were more severity, the damages of liver and kidney were lighter.

Objective To establish a solid phase extraction(SPE)-high performance liquid chromatography(HPLC)method for determination of melamine in foods. Methods Melamine in sample was extracted with extractive agent. After centrifugation, the supernatant fluid was purified by Waters Oasis MCX cartridge,and detected with HPLC method. Chromatographic column of TIANHE C18(250 mm?4.6 mm,5 ?m) was used at 35 ℃ and mobile phase was water(containing 0.01 mol/L 1-hexanesulfonic acid sodium salt and 0.01 mol/L citric acid)∶ acetonitrile = 94∶6 (V∶V) at a flow rate of 1.0 ml/min. Injection volume was 20 ?l. Results In the range of 0.80 to 80.0 mg/L, the regression equation was y=84.64 x-6.127 1 with the correlation coefficient of 0.999 98. The detection limit of melamine in foods was 0.5 mg/kg. The average rates of recovery were 88.0%-96.0% and the relative standard deviation was less than 5%. Conclusion The method established in the present paper is applicable to determination of melamine in foods with good precision,accuracy and sensitivity.

OBJECTIVE To study the feasibility and security of parotidectomy for parotid benign tumor by tracing cervical branch to expose facial nerve. METHODS Parotid benign tumor of 87 patients were studied.We exposed facial nerve by tracing main facial nerve branch、buccal branch、marginal mandibular branch and cervical branch in parotidectomy for parotid benign tumor and observed the function of facial nerve after operation.RESULTS The number of patients traced by main facial nerve branch- buccal branch、marginal mandibular branch and cervical branch group were 10、8、28 and 41 respctively,and the percentage of facial nerve injury after operation were 30%、37.5%、46.4%and 24.3%.The percentage of facial nerve injury was statistically different between the marginal mandibular branch group and the cervical branch group(P

Future competition in the medical market will in essence be the contest of the core competitiveness of hospitals.It is therefore imperative for hospitals to do a good job in the following aspects in light of trends in medical development,the state of its resources and the needs of the market: enhancing their awareness of the importance of scientific and technological work,setting up a rationally distributed scientific research system,strengthening personnel and disciplinary development,improving the quality of scientific and technological management personnel,and establishing standardized systems for scientific and technological management.The goal is to enhance core competitiveness so as to gain competitive edges for sustainable development.

Objective To estimate direct economic burden of patients with moderate to severe psoriasis in China,and to assess its influencing factors.Methods A questionnaire survey was carried out in 150 patients with moderate to severe psoriasis from 29 third-grade class-A hospitals in 7 cities.Data on demographic characteristics,clinical features and direct economic burden were collected.Descriptive statistics were performed to analyze the direct economic burden of moderate to severe psoriasis,and multiple regression analysis was carried out to determine predictors of cost of illness.Results The patients were aged (43.87 ± 13.42) years,with an average clinical course of 3 years(range,2-6 years).Of them,82 had moderate psoriasis,and 68 had severe psoriasis.The average direct cost was (6 452 ± 6 391)RMB per patient-year,with significant difference between the patients with moderate psoriasis and those with severe psoriasis ((4 163 ± 4 605) vs.(9 212 ± 7 146) RMB,z =5.70,P ＜ 0.001).Regression analysis indicated that disease severity,clinical type,hospitalization,complications,and inhabited cities were factors influencing the direct economic burden of patients with moderate to severe psoriasis.Conclusions The direct eonomic burden of severe psoriasis seems to be twice that of moderate psoriasis in China.Physicians should strengthen the control of complications and disease severity,and pay more attention to other types of psoriasis than psoriasis vulgaris,during the treatment of psoriasis.