Objective:To Study the efficacy and satety of lamivudine in the treatment of CHB and HBV carrier.　Methods:All patients were divided into three groups. 21 patients with CHB were classified CHB test group(namely groupⅠ), 16 HBV carries were classified ASC test group(namely Group Ⅱ), 40 patients with CHB were CHB controlled group(namely controlled group). Both group Ⅰ and group Ⅱ received lamivudine, group Ⅰ was added protecting liver therapy. The controlled group only received protecting liver therapy. The treatment courses of three groups were one year. 　Results:The effective rates of group Ⅰ and group Ⅱ were higher than the controlled group in turning into negative HBeAg and HBV-DNA, both the negative-turning rate of liver functions and hepatic serology target declining fibrosis in group Ⅰ was more significant than the controlled group without severe side effect. 　Conclusion:Lamivudin is efficient and safe medicine in the treatment of CHB and HBV carrier.

Objective:To study and sum up the experience of diagnosis and treatment of ureter obstruct by Simplification ureteroscope.Methods:the patients of 750 cases for ureterolith underwent ureteroscopic lithotomy and pressune orbit lithotripsy by using caudal anesthesia in outpatient the 11 cases ureterostensis were treated by watery capus expand,ureteroscopic hard expand and ureterotectomy by using of self-made electrode.Then,transurethral electro incisions of ureterocles were carried out for 2 patients.Results:Successful rate of ureteroscopic lithotomy is 98.4%;12 patient of upper ureter stone received ESWL because of stone entering the renal pelvis,and 3 cases complicated ureteral perforation;11 cases ureterostensis and 7 cases ureterocele were cured.Conclusions:It is frist chosen for ureteroscope to ureteral stone,ureteral stricture,and ureteroceles with a diameter of ≤3cm,and the method have ideal cure effect and the patients will receive.

Objective To investigate the clinical effect of edaravone on free radical damage after acute stroke. Methods The 60 patients with acute stroke were randomly divided into therapy group and control group. Both the groups were treated with routine approaches of dehydration, intracranial pressure reducing and blood pressure control. The treatment with balanced saline 250 ml plus edaravone 30 mg, intravenously infusion twice a day, was adopted in therapy group, while the control group received balanced saline 250 ml only, the treatment lasted for 14 days. Before and 14 days after treatment, the neurologic impairment analysis, activity of daily living scale (ADL) and serum superoxide dismutase (SOD) were checked. Results Compared with control group, after 14 dtreatment, the improvements in neurologic impairment analysis (7.5±5.4 vs. 15.9±7.9, P＜0.05),ADL (58.32±11.57 vs. 43.73± 12.48, P＜0.05) and SOD[(157.25±21.81)mmol/L vs. (127.08 ± 13. 14)mmol/L, P＜0. 05] occurred in therapy group. Conclusions Edaravone could increase the ability of cleaning free radicals and promoting function of nerves recovery.

Objective To explore the value of endoscopic retrograde cholangiopancreatography (ERCP)in the treatment of chronic pancre-atitis (CP).Methods Thirty patients with CP who underwent ERCP from January 2008 to December 2012 were retrospectively analyzed. Serum amylase levels were determined before and at 24 hours after surgery.The reduction in abdominal pain was dynamically evaluated be-fore and after treatment.A follow -up of patients with steatorrhea and anxiety was performed.Regular reexamination using abdominal ima-ging or ERCP was performed to identify pancreatic lesions and conditions of pancreatic duct stents.Results All patients were successfully treated by ERCP and had pancreatic duct stents placed.The remission rate of abdominal pain reached 83.3% at 72 hours after surgery.One patient was assigned to surgery due to insignificant improvement in symptoms,and the case -fatality rate after surgery was 0.Conclusion ERCP is an effective method in the treatment of CP,which has the advantages of being safe,effective,and minimally invasive.

The artifacts in magnetic resonance imagines(MRI) seriously degrade the imagine quality and affect the exact diagnosis. The reasons that may cause artifacts in magnetic resonance imaging and the suppressing methods are presented in this paper. One of the intractability appeared in researches is how to restrain all kinds of artifacts quickly and efficiently. It is important to search for new methods to solve this problem. It may provide reliable basis for medical observation and clinical diagnosis.

Objective:To explore the productivity of township health services in Guangzhou. Methods:We use a nonparametric Malmquist index approach to analyze total factor productivity change in Guangzhou’s township health service. The panel data was collected between 2009 and 2013. Results: The average growth rate of Guangzhou’s township health service was 18 . 7% from 2009 to 2013 . This growth was mainly due to improved technical progress but not technical efficiency. Pure technical efficiency and scale efficiency have not developed simultaneously. Conclusion:The change in the total factor productivity was positively affected by technical progress, not by strategic management and business decisions inside township health centers.

Objective To evaluate male bulbourethral sling procedure for the treatment of post prostatectomy urinary incontinence. Methods 7 male patients with severe post prostatectomy incontinence underwent the male bulbourethral sling procedure,the patients being completely incontinent before treatment. Results The patients have been followed up for 14～26 months with a mean of 20.Ideal continence has been achieved in 6 and significantly improved in 1. Conclusions Bulbourethral sling procedure is effective for post radical prostatectomy and intrinsic sphincter deficiency urinary incontinence.

Objective To assess the noninvasive index for diagnosing the degree of esophageal varices (EV) in patients with hepatitis B virus (HBV)-related cirrhosis. Methods The clinical data of 112 patients with HBV-related cirrhosis were studied retrospectively. The patients were divided into non-EV (NEV) group (30 cases) and EV group (82 cases) according to the results of gastroscopy. In EV group, there were mild varices in 21 cases (mild EV group), moderate varices in 47 cases (moderate EV group) and severe varices in 14 cases (severe EV group). The age, gender, platelets, glutamyl transpeptidase, prothrombin time, albumin, bilirubin, portal vein diameter, spleen vein diameter and thickness of spleen were compared, and the relationship was analyzed between each index and EV. Results There were no statistical differences in gender, age, albumin, bilirubin, prothrombin time and glutamyl transpeptidase between NEV group and EV group (P>0.05). The portal vein diameter, spleen vein diameter and thickness of spleen in EV group were significantly higher than those in NEV group:(14.1 ± 3.1) mm vs. (10.6 ± 2.3) mm, (8.9 ± 2.1) mm vs. (7.6 ± 1.6) mm and (4.8 ± 0.9) mm vs. (3.8 ± 1.0) mm, the platelets in EV group was significantly lower than that in NEV group:(86.8 ± 20.2) × 109/L vs. (163.5 ± 18.1) × 109/L, and there were statistical differences (P<0.01 or<0.05). The portal vein diameter, spleen vein diameter and thickness of spleen in moderate EV group and severe EV group were significantly higher than those that in NEV group and mild EV group: (13.5 ± 2.1) and (14.8 ± 3.6) mm vs. (10.6 ± 2.3) and (11.2 ± 3.1) mm, (8.3 ± 2.1) and (9.1 ± 1.1) mm vs. (7.6 ± 1.6) and (8.1 ± 1.9) mm, (4.7 ± 1.1) and (4.9 ± 0.9) mm vs. (3.8 ± 1.0) and (4.1 ± 1.2) mm, the platelet levels were significantly lower than those in NEV group and mild EV group: (72.8 ± 11.6) × 109/L and (63.8 ± 15.6) × 109/L vs. (163.5 ± 18.1) × 109/L and (100.2 ± 10.3) × 109/L, and there were statistical differences (P<0.05). The area under curve of response operating characteristic for predicting the presence of moderate and severe EV with portal vein diameter and platelets were 0.719 and 0.735, and the cut off value were 14 mm and 69 × 109/L. Conclusions The portal vein diameter and platelets can predict the presence of moderate and severe EV in patients with HBV-related cirrhosis.

Objective To learn drug resistance of bacteria isolated from a hospital of Chengdu from 2012 to 2013 .Methods From 2012 to 2013 ,39 732 clinical specimens were collected ,ATB Express half‐automatic bacteria identification system were used to identify the bacteria ,and paper diffusion(K‐B) method was used to do drug sensitive test ,results were judged according to Clini‐cal and Laboratory Standards Institute 2012 standard interpretation ,Whonet5 .6 was used to do statistical analysis .Results In the bacteria isolated from this hospital in 2012 and 2013 ,gram‐positive bacteria accounted for 27 .7% and 37 .4% respectively ,gram negative bacteria accounted for 72 .3% and 62 .6% .The top five pathogenic bacteria were E .coli(16 .3% ,20 .3% ) ,Pseudomonas aeruginosa(11 .5% ,11 .7% ) ,Staphylococcus aureus (11 .3% ,11 .4% ) ,Acinetobacter baumannii(10 .6% ,9 .3% ) ,Klebsiella pneu‐moniae(14 .7% ,12 .0% ) .The detection rates of Methicillin‐Resistant Staphylococcus(MRSA) were 56 .2% ,47 .7% .The positive rates of producing extended spectrum βlactamases(ESBLs) of E .coli and Klebsiella pneumonia accounted for 41 .0% ,32 .2% and 21 .0% ,10 .8% ,which were high sensitive to carbon penicillium alkene antibiotics and amikacin .Susceptibility monitoring results showed that the drug resistance of Acinetobacter baumannii was rising ,and the drug resistant of Pseudomonas aeruginosa to most antibiotic were decline .Conclusion The top five bacteria isolated from this hospital in 2012 and 2013 are given priority to gram‐negative bacteria ,in addition to the drug resistant trend of Acinetobacter baumannii increased slightly ,the drug resistant of other four common bacteria were decline .Clinical attention should focus on positive ESBLs ,E .coli ,Klebsiella pneumoniae ,MRSA and M ulti‐resistant bacteria .

Objective: To establish an HPLC-fluorescence detection method for the determination of thioguanosine-monophosphate (TGMP), thioguanosine-diphosphate (TGDP) and thioguanosine-triphosphate (TGTP) in red blood cells (RBC), as well as quantify the individual thioguanine nucleotides metabolites in kidney transplant recipients with azathioprine (AZA) therapy.Methods: The individual thioguanosine phosphates were extracted from RBC by dichloromethane and subsequently oxidized by potassium permanganate.The separation was achieved on a Nucleosil C18 column (150 mm×4.6 mm,5 μm) with an ion pairing reagent and detected by a fluorescence detector (excitation at 315 nm, emission at 390 nm).The mobile phase consisted of 20 mmol·L-1 potassium phosphate buffer (pH was adjusted to 6.8 by 5 mmol·L-1 tetrabutylammonium hydrogensulfate)-acetonitril (80:20) with the flow rate of 1.0 ml·min-1.Results: TGMP, TGDP and TGTP were quantified from RBC within the range of 50-500, 50-1000 and 100-5 000 pmol·ml-1, respectively.The limit of quantification (LOQ) was 50, 50 and 100 pmol·ml-1 RBC for TGMP, TGDP and TGTP, respectively.The intra-and inter-day RSDs were below 7.0% with the method recovery between 95.0% and 103.6%.The mean extraction recovery was above 90%.The assay was applied in the blood samples of 30 kidney transplant recipients with AZA therapy, and the results indicated that TGTP was the predominant phosphate metabolite in RBC.Conclusion: The method is simple, rapid, sensitive and specific, and it can quantitatively determine the individual thioguanosine phosphates in RBC of kidney transplant recipients with AZA therapy.