OBJECTIVE:To observe the efficacy and safety of paroxetine combined with buspirone in the treatment of geriatric depression with anxiety. METHODS:78 patients with geriatric depression with anxiety were randomly divided into control group (39 cases) and observation group (39 cases). Control group received 20-40 mg Paroxetine hydrochloride tablet,within half an hour after breakfast. Observation group additionally received 5-10 mg Buspirone hydrochloride tablet for 3 times. The treatment course for both groups was 8 weeks. Clinical efficacy,HAMD,HAMA and TESS before and after 2,4 and 8 weeks of treatment in 2 groups were observed. RESULTS:The total effective rate in observation group was significantly higher than control group,the difference was statistically significant(P<0.05). HAMD after 4 and 8 weeks,HAMA after 8 weeks in control group,HAMD and HAMA after 2,4 and 8 weeks in observation group were significantly lower than before,and it gradually decreased by time pro-longed,observation group was lower than control group,the differences were statistically significant (P<0.05 or P<0.01). And there was no significant difference in the TESS rating in 2 groups before and after treatment(P>0.05). CONCLUSIONS:The effi-cacy of buspirone combined with paroxetine is superior to paroxetine alone in the treatment of geriatric depression with anxiety, with better safety.

Objective:To observe the expression of chemokine receptor CCR7 and CXCR4 in human colorectal carcinoma and its significance,so as to assess their expression with the metastasis and prognosis of colorectal carcinoma. Methods:Immunohistochemistry was used to detect the expression of chemokine receptor CCR7 and CXCR4 in 110 patients with colon cancer.The relationship between the CCR7 and CXCR4 expression and the clinic pathological characters was statistically analyzed. Results:CCR7 and CXCR4 expression were positively expressed in 59.1% and 45.5%of the patients. The high expression rate of CCR7 and CXCR4 in lymph node metastasis positive cases was 81. 5% and 60.0% respectively,but the without lymph node metastasis positive cases were 26.7% and 24.4% respectively. The positive expression was significantely higher in the patients with lymph node metastasis than those non-lymph node metastasis(P

Aim Toinvestigatetheroleofbrain-de-rived neurotrophic factor(BDNF)-tyrosine receptor ki-nase B (trkB ) signaling pathway in the therapeutic effects of ketamine on diabetic neuropathic pain.Meth-ods Forty-eightWistarrats,aged3months,weighing 200~250 g,were equally randomized into 4 groups(n=12 ):control group (C group ), saline group (S group),ketamine group (K group)and ketamine +ANA-12 group (KA group ).Rats in S,K and KA groups were intraperitoneally injected with a single of streptozotocin(STZ)65 mg·kg-1 to construct diabetic neuropathic pain model.After twenty-eight days,rats in S,K and KA groups were intraperitoneally injected with saline, ketamine 10 mg·kg-1 and ketamine 10 mg·kg-1 +ANA-12 0. 5 mg·kg-1 for consecutive 7 days, respectively. On the 8th day, mechanical withdrawal threshold(MWT)of rats was measured.Af-ter that,the rats were immediately sacrificed,and dor-sal ganglion of lumbar spine and prefrontal cortex (PFC)were harvested for measuring BDNF,p-trkB/trkB,synaptophysin and spine density by Western blot andglogistaining.Results ComparedwithCgroup, rats in S group significantly decreased MWT,BDNF, p-trkB/trkB,synaptophysin and spine density in dorsal ganglion and PFC (P <0. 05 ).Compared with S group,rats in K group showed a significant increase of MWT,BDNF,p-trkB/trkB,synaptophysin and spine density in the all observed regions(P<0. 05 ).On the contrary,rats in KA group showed a significant de-crease of MWT and BDNF,p-trkB/trkB,synaptophys-in and spine density as compared with K group in all regions(P<0. 05 ).Furthermore,BDNF was positive-ly correlated with spine density in all regions (P <0.05).Conclusion BDNF-trkBsignalingpathway mediates ketamine-induced therapeutic effects in dia-betic neuropathic pain.

Objective: To investigate the protective effect of shenduqing Granules on chronic renal insufficiency in rats. Methods: The rat model of chronic renal insufficiency was made by feeding 0.75% adenine forage. The blood biochemical indexes, ion concentration in serum of rat was measured and the pathological changes of rat kidney were observed. Results: Shenduqing Granules obviously increased thymus index (TI). The weight of rat kidney in the treatment group was lighter than that of the model group. The kidney histomorphological study showed that Shenduqing Granules obvionsly reduce the pathological changes. The drug crystals were also reduced. Conclusion: Shenduqing Granules has the potential protection against chronic renal insufficiency in rats.

OBJECTIVETo investigate the applications of percutaneous screw fixation for the treatment of pelvic fractures and its related surgical considerations.

METHODSFrom June 2010 to June 2012,19 patients with pelvic fractures were treated with percutaneous hollow screws. There were 13 males and 6 females, with an average age of 41 years (ranged from 22 to 58 years). Fractures were caused by traffic accidents in 11 cases, by falling down from high place in 8 cases. Based on the Tile classification, there were 15 cases of Tile C type and 4 case of Tile B type. The indexes such as screw inserting time, intraoperative blood loss, complications, functional recovery and reduction conditions were observed. Fixation methods included sacroiliac screws, cannulated screw fixation of the pubic ramus and cannulated screw fixation of the pubic symphysis separation.

RESULTSAnatomical reduction achieved in 7 cases, satisfactory reduction 11 cases, and unsatisfactory reduction 1 case. Union time of fracture union ranged from 8 to 12 weeks (mean 10 weeks). Wound infection,ununion of fracture and nerve injuries were not found. According to the Majeed standards, 12 patients obtained an excellent results, 6 good and 1 fair.

CONCLUSIONPercutaneous screw fixation for the treatment of pelvic fractures under fluoroscopy has several advantages such as less trauma, less blood loss, fewer rates of complications, reliable fixation and no blood transfusion, which can reconstruct the stability of the pelvic ring, but it needs adequate preoperative preparation and high requirements for the surgeon.

Adult ; Bone Screws ; Female ; Fracture Fixation, Internal ; Fractures, Bone ; diagnostic imaging ; surgery ; Humans ; Male ; Middle Aged ; Pelvic Bones ; diagnostic imaging ; injuries ; surgery ; Radiography ; Young Adult

Objective To investigate the institution of extracorporeal membrane oxygenation (ECMO) for primary graft dysfunction (PGD) after lung transplantation (LT) and analyze its clinical outcome.Method A retrospective analysis was performed on 22 patients with grade 3 PGD in early stage after LT from September 2002 to December 2013.There were 7 patients with single LT and 15 patients with bilateral LTx.Ventilatory support was used at early stage for 6 cases,and at later stage,ECMO assistant circulation was used for 16 cases.Result Of 6 patients treated by adjusting low volume,high frequency and high positive end expiratory pressure ventilation (PEEP) mode,2 cases reversed,and 4 cases died of respiratory failure.In 16 cases accepting ECMO support,10 cases were given venous-venous mode and 6 cases venous-artery mode.The average flow time was 5.5 days.ECMO was successfully withdrawn in 10 cases and 6 cases died of multiple organ failure,infection and cardiac arrest.Conclusion The high incidence of PGD causes high mortality peri-operatively after LT.Preventing ECMO can improve the survival rate of the lung transplant patients.Once PGD happens,appropriate treatment should be given as soon as possible.ECMO can effectively promote the transplanted lung function recovery,and reduce the perioperative mortality.If the indications of ECMO use was reached,the institution of ECMO should be used as soon as possible.

Aim To explore the role of PI3 K/Akt/Sirt1 pathway in cardioprotection of hydrogen sulfide ( H2 S ) postconditioning against ischemia/reperfusion ( I/R) injury. Methods Langendorff perfusion appa-ratus was used to build an isolated rat myocardial I/R model. Isolated rat hearts were subjected to 30 min global ischemia followed by 60 min reperfusion after 20 min of equilibrium. 60 male SD rats were randomly di-vided into 5 groups(n=12):control group(Control), ischemia/reperfusion group( I/R) , H2 S postcondition-ing group( H2 S) , inhibitor LY294002 group( LY) and H2 S with inhibitor group( H2 S+LY) . The left ventric-ular diastolic pressure ( LVEDP ) , the left ventricular developed pressure(LVDP), the maximum rate of in-crease or decrease of left ventricular pressure ( ± dp/dtmax ) were registered at the end of 20 min equilibri-um, 30 and 60 min of reperfusion separately. Triphe-nyl tetrazolium chloride( TTC) staining was used to de-termine the myocardial infarct size. The levels of Sirt1 and PGC-1 mRNA were tested using real-time PCR. The expressions of Sirt1 and PGC-1αwere detected with Western blot analysis. Immunohistochemical method was used to determine the location of Sirt1 . Results There were no differences in equilibrium hemodynamics observed between the experimental groups(P>0. 05). At the end of reperfusion, compared with I/R group, H2 S group had obviously ameliorated functional recov-ery and significantly decreased the myocardial infarct size(26. 9 ± 4. 9)% vs(48. 9 ± 5. 6)%(P <0. 05). Meanwhile, the expression of Sirt1 and PGC-1α in-creased significantly. However,LY294002 reversed the cardioprotective effects provided by hydrogen sulfide postconditioning and reduced the level of Sirt1 and PGC-1α, the percentage of Sirt1-positive nuclei. Con-clusion PI3 K/Akt/Sirt1 signaling pathway mediates the hydrogen sulfide postconditioning-induced protec-tion against I/R injury.

Objective To investigate effects of β-thalassemia on 8 HbA1c measurement systems including Capillary electrophoresis and application of HbA2 values of samples with β-thalassemia from Capillary 2 Flex Piercing HbA1c measurement systems.Methods 338 samples without β-thalassemia ( include 80 α-thalassemia with --SEA/ααgenotype) and 225 samples with β-thalassemia were collected in Peking University Shenzhen hospital from January 2014 to August 2014.Samples withβ-thalassemia are all heterozygotes with normal α-globin and abnormal β-globin, and without combining other haemoglobinopathies.76 normal samples and 76 samples with β-thalassemia were selected from above all samples, HbA1c values of which were given by capillary electrophoresis ( Capillary Flex 2 Piercing), enzymatic ( Norudia N HbA1c ), immune transmission turbidity ( oneHbA1c FS ), chemiluminescent immunoassay (ARCHITECT HbA1c Reagent Kit), boronate affinity HPLC (Trinity Ultra2)and ion exchange HPLC (HA8160, VariantⅡTurbo and Variant Ⅱ BioRad 2.0), respectively.HbA1c values given by the eight systems were compared.338 samples without β-thalassemia and 225 samples with β-thalassemia were measured by using Capillarys 2 Flex Piercing HbA1c system and capillary electrophoresis hemoglobin system, the cut-off values of HbA2 from Capillary 2 Flex Piercing HbA1c measurement system for β-thalassemia was
assessed by using ROC curve.Data statistics were done by using SPSS 19.0.Results The HbA1c values of normal samples were well correlated with the comparative system.The correlation coefficients for the 7 systems are all greater than 0.98.For samples withβ-thalassemia, the correlation coefficients are all greater than 0.98 except for Variant Ⅱ Turbo.The bias between normal samples and samples with β-thalassemia have no significant difference except for VariantⅡTurbo.HbA2 values from Capillary 2 Flex Piercing HbA1c measurement and capillary electrophoresis hemoglobin system were well correlated. The correlation coefficient is 0.993.When cut-off value of HbA2 from Capillary 2 Flex Piercing HbA1c measurement system for β-thalassemia is 3.38, sensitivity is 98.3%, specificity is 100% .Conclusions Samples withβ-thalassemia have no significant effects on HbA1c measurement syetems except for Variant Ⅱ Turbo.The Capillary 2 Flex Piercing HbA1c measurement syetem has the advantage of screeningβthalassemia by HbA2 while measuring HbA1c.

Objective To assess influences of hemoglobin variants on different HbA 1c measurement systems.Methods HbA1c values of normal samples and samples with hemoglobin variants were measured respectively byenzymatic assay (Norudia N HbA1c,SEKISUI), immunity transmission turbidity (oneHbA1c FS,DiaSys), boronate affinity HPLC(Ultra2,Trinity Biotech), capillary electrophoresis(Capillary 2 Flex Piercing,Sebia)and ion exchange HPLC(HA8160,Arkary;Variant Ⅱ Turbo(VⅡ-T),Bio-Rad;Variant ⅡTurbo 2.0 (VⅡ-T 2.0), Bio-Rad).HbA1c values from different hemoglobin variants and HbA1c measurement systems were analyzed .Results The HbA1c values from the 7 HbA1c measurement systems were well correlatedin normal samples .For HbE heterozygote , the HbA1c values from VⅡ-T were divided into 2 groups comparing with CFP , and HbA1c differences between CFP and other measurement systems are minor except for HA8160 and VⅡ-T.The HbA1c values of homozygous HbE were given by Ultra 2 but CFP and VⅡ-T 2.0.The differences of HbA1c values from samples with J-Bangkok are much higher than those from the samples with other hemoglobin variants .The differences of HbA1c values from samples with all kinds of hemoglobin variants(Hb J-Bangkok, Hb J-Newyork, Hb G-Taipei and Hb G-Coushatta)are dramatic for VⅡ-T.For rare Kurosaki, CFP can give a hint that there existshemoglobin variant while measuring HbA 1c. Conclusions Capillary Flex 2 Piercingcan well recognize common hemoglobin variants . Different hemoglobin variants have different influences on different HbA 1c measurement systems.The influences of J-Bangkok among HbA1c measurement systems are more evident than the other common hemoglobin variants .

BACKGROUND:We built Sprague-Dawley rat models with mild, moderate, and severe spinal cord injuries to accord with the spinal cord injury types for basic empirical study, and consequently to further understand the microenvironmental change in Sprague-Dawley rats with spinal cord injury, and to provide help for clinical treatment. OBJECTIVE:To observe the changes in nerve function, pathological manifestation and motor sensory evoked potential in Alen’s models and Sprague-Dawley rats with complete spinal cord transection at different time points after spinal cord injury by simulating the microenviroment in Sprague-Dawley rats. METHODS: A total of 125 healthy adult female Sprague-Dawley rats were selected and randomly divided into group sham operation group, 100 gcf hit potential group (20 g×5 cm), 200 gcf hit potential (20 g×10 cm), 300 gcf hit potential group (20 g×15 cm), and spinal cord complete transection group with 25 rats in each group. At 1, 5, 7, 14 and 28 days after model establishment, the degree of spinal cord injury was identified by the BBB scores of motion function, motor evoked potential, and pathological section. RESULTS AND CONCLUSION:(1) Totaly 24 Sprague-Dawley rats died in the experiment. The death rate and the rate of complications were highest in the spinal cord complete transection group. The BBB score of each group was decreased. The BBB scores in every group increased as time went on. There were significant differences between each surgery group and the sham operation group at corresponding time points (P < 0.05). No significant difference was found between the 300 gcf hit potential group and the spinal cord complete transection group at corresponding time points (P > 0.05). (2) In each surgery group, the infiltration of inflammatory cels and obvious sweling of neurons were visible at 1 day after injury. Neural cels reduced with time prolonged. At 28 days after injury, a large number of astrocytes proliferated, scar and spinal cord cavity formed. Above symptoms were worse in the 300 gcf hit potential group and spinal cord complete transection group than in the 100 gcf and 200 gcf hit potential groups. (3) Significant differences in amplitude and latency were detectable between each surgery group and the sham operation group (P < 0.05). No significant difference in amplitude and latency was detected between the 300 gcf hit potential group and the spinal cord complete transection group at corresponding time points (P > 0.05). Results confirmed that hit potential of 20 g×5 cm, 20 g×10 cm and 20 g×15 cm can simulate the microenvironment of Sprague-Dawley rats with mild, moderate and severe spinal cord injury. The rate of complication was lower in modified Alen’s model of different hit potentials than in models of spinal cord complete transection, and was more accorded with basic research.