Objective:To study curative effect of Biqi Capsule on Knee joint osteoarthritis patients.Methods:210 patients who meet the full diagnostic criteria were grouped into the therapy group(150 patients)and the control group(60 patients) at random.The therapy group was treated with Biqi Capsule per os,while the control group was treated with western medicine Meloxicam tablets per os.The comprehensive curative effects on the two groups were summarized.Results:The total effective rate of the therapy group and the control group were 93.3%and 75.5%respectively;The curative effect was found to be better in the therapy group than that in the control group(P

OBJECTIVE:To provide reference for small interfering ribonucleic acid (SiRNA) R&D and registration in China. METHODS:The situation of SiRNA R&D at home and abroad were introduced,and problems encountered in the evaluation and approval process were summed up to put forward suggestions. RESULTS & CONCLUSIONS:SiRNA has developed slowly in Chi-na,with a gap of 5-10 years at least compared with foreign developed countries. The registration category of SiRNA is not clear;applicants lack of guidance documents;production workshop which meet requirement is in shortage;the efficiency of drug registra-tion allows of no optimism. It is recommended that pharmaceutical registration departments carry out the pilot reform for SiRNA registration,publish SiRNA registration guide,relax regulations for IND gradually,encourage applicants to participate in the inter-national multicenter clinical trials in order to improve the efficiency of SiRNA evaluation and approval efficiency.

Objective: To design one kind of medical infusion pump. Methods: Based on single-chip microcomputer, 89C52, use the stepper motor to drive the semi extrusion micro flow pump. Results:During the infusion it can real-time monitor the block and bubble in the pipeline and alarm. It can accurately control the transfusion speed and infusion volume. With friendly man-machine interface it can display real-time infusion parameters and alarm signals. Conclusion: The infusion pump system has high precision and reliability, perfect function, and it is easy to use. Clinical practices show that it can effectively reduce the workload of the clinical nursing staff and improve work efficiency. It has high application value.

Ion beam implantation technique has been applied to many research fields, such as organism improvement, life origin and evolution, and radiobiological effect of the environment, since the mutagenic effects of ion beam had been discovered at the mid of 1980′s. Especially ion beam biotechnology has obtained outstanding result in introducing plant breeding and creating new germplasm resources. Medicinal plant is one of basic materials of traditional Chinese medicinal materials, which has direct relationship with the quality and curative effects of medicines. Therefore, their genetic breeding plays a very important role in the improvement of the yield and quality of traditional Chinese medicinal materials. In this paper, ion beam biotechnology, its obtained results, and present status of research on medicinal plants are expounded. Moreover, the prospects of its application to the medicinal plant breeding are pointed out.

Objective To investigate the methods of preoperation diagnosis and treatment of primary gastric lymphoma of mucosa-associated lymphoid tissue(MALT).Methods To analyze retrospectively the diagnosis and treatment of 54 cases of MALT lymphoma diagnosed surgically and pathologically.Results The most common symptoms were stomachache or discomfort.Of the patients with MALT lymphoma,85.2%(46/54)cases were diagnosed by preoperation gastroscopy with biopsy.Helicobacter pylori was found in 48 cases(88.9%).The overall resection rate for MALT lymphoma was 87%(47/54).The 5-year and 10-year survival were 77.1% and 72.9%,respectively.Conclusions It is obvious that MALT lymphoma is associated with Helicobacter pylori.Since no specific symptoms in gastric MALT lymphoma,the preoperative diagnosis is relied upon the application of gastrointestinal image,gastroscopy and repeated biopsy.The use of curative resection with the post-operative chemotherapy and/or radiotherapy to treat MALT lymphoma is reasonable.

Objective:To investigate the clinical effects of transcranial ultrasound to arterial recanalization in acute ischemic stroke patients.Methods: Eighty cases of patients with acute ischemic stroke from February 2010 to May 2013 in our hospital were chosen as the experimental objects, and were divided into experimental group and control group randomly. The control group were treated with urokinase and transcranial ultrasound, the experimental group were treated with urokinase and placebo. The clinical effects of each group were compared.Results: The experimental group in the 2h and 24h when the recanalization rate was obviously higher than the control group, and the difference is statistically significant(x2=8.916,x2=8.155,P<0.05). Symptoms improved rate of patients in the 2h and 24h in the experimental group was obviously higher than that of the control group, and the difference was statistically significant. The experimental group prognostic good rate was 56.09%, while the control group was 23.08%, the difference was statistically significant(x2=9.081,P<0.05). The two groups had no statistically significant difference in mortality(x2=0.005,P<0.05). Conclusion: Patients with acute ischemic stroke with transcranial ultrasound treatment can significantly improve the prognosis of the patients condition, improve the rate of recanalization.

Objective To compare the effectiveness of the forced-air warming system and the conventional warming care practice in preventing hypothermia in patients undergoing major surgeries.Methods A total of 62 patients were enrolled in this study. Patients of both sexes,aged≥18 years,and with an ASA physical status Ⅰ-Ⅲ were included and allocated randomly into intervention group(n=30)or control group(n=32). Patients in the intervention group were provided forced-air warming,either prior to induction or during the surgery procedure depending on core temperature monitoring results. In the control group,patients were warmed with conventional warming care without any intervention. Core temperature was measured by Spot-On sensor and tympanic membrane thermometer,blood pressure,the electrocardiogram,heart rate,pulse oxygen staturation,and partial pressure of end-tidal COwere also monitored continuously in the two groups.Crystalloid,colloid,and allogeneic blood were also recorded by strict protocol. Results Intraoperative hypothermia monitored with tympanic thermometer was observed in 23 patients(71.87%)in the control group,which was significantly higher than that (0) in the intervention group(P=0.00). In addition,the incidence of hypothermia monitored by Spot-On sensor was 81.25%(n=26)in control group and 13.33%(n=4)in intervention group(P=0.00). Conclusion Compared with the conventional warming care,forced-air warming system is more effective in preventing hypothermia during major surgeries.

Objective To study the correlation between serum human cytomegalovirus (HCMV) DNA and peripheral T cell subsets as well as islet function in type 1 diabetic patients.Methods HCMV DNA levels in sera from 20 type 1 diabetic patients and 40 controls were measured by quantitative polymerase chain reaction (PCR),then the comparison and correlation analysis were made between HCMV DNA and T cell subsets,blood glucose (BG),insulin (Ins) and C peptide (C P).Results The positive rate and levels of HCMV DNA in type 1 diabetic patients were significantly higher than those of controls respectively.The percentage of CD 8 and the levels of fasting BG and BG 2 hours after meal in type 1 diabetic patients with positive HCMV DNA were by far higher than those in controls,while the percentage of CD 4,the ratio of CD 4/CD 8,the levels of fasting Ins,Ins and C P 2 hours after meal were significantly lower than those of controls.There existed the linear positive correlation between HCMV DNA and CD 8 or fasting BG,negative correlation between HCMV DNA and CD 4/CD 8,fasting Ins or fasting C P.Differences were not so significant between type 1 diabetic patients with negative HCMV DNA and controls compared with those between patients with positive HCMV DNA and controls.Conclusion HCMV infection is associated with dysfunction of islet and T cell mediated immunity in type 1 diabetic patients.

BACKGROUND:Transforming growth factor-βhas been shown to exert an obvious induction effect on the differentiation of bone marrow mesenchymal stem cells into chondrocytes. Cyclical tensile strain simulates mechanical environment of chondrocytes in the body, and plays an important regulatory role in cellproliferation and differentiation. OBJECTIVE:To discuss the synergy of transforming growth factor-βand cyclical tensile strain in inducing the differentiation of bone marrow mesenchymal stem cells into chondrocyte-like cells. METHODS:A total of 10 2-month-old New Zealand rabbits were selected. Bone needle was used to penetrate the medul ary cavity of bone. 3.0-4.0 mL of bone marrow was extracted for isolation and culture of bone marrow mesenchymal stem cells. Passage 3 cells were randomly assigned to four groups:blank, transforming growth factor-β, cyclical tensile strain and cyclical tensile strain+transforming growth factor-βgroups. After 1, 3 and 6 days, cells were obtained. General morphology was observed using safranin O staining. Glycosaminoglycan levels were detected by alcian blue staining. Matrix metal oproteinase-13 and tissue inhibitor of metal oproteinase-1 levels in supernatant were measured using ELISA. Type II col agen, matrix metal oproteinase-13 and tissue inhibitor of metal oproteinase-1 mRNA relative expression was detected using RT-PCR. RESULTS AND CONCLUSION:Safranin O staining showed fusiform or irregular triangular cells. cellnumber
and matrix secretion increased in each experimental group than in blank group. Glycosaminoglycan levels in the supernatant were greater in the transforming growth factor-βand cyclical tensile strain+transforming growth factor-βgroups than in the blank group (P<0.05). Type II col agen mRNA relative expression was higher in the cyclical tensile strain+transforming growth factor-βgroup than in the blank group (P<0.05). Results indicated that transforming growth factor-βand cyclical tensile strain could induce the differentiation of bone marrow mesenchymal stem cells into chondrocytes, showing an apparent cooperative action.

Objective To longitudinally analyze the unit costs and technical efficiency of the model of male circumcision in the different kinds of persons .Methods Unit costs were calculated by the person and period using longitudinal data from 3 kinds of persons ,and then technical efficiency and Malmquist indices were measured with an approach to data envelopment analysis . Results Theunit costs for changing the willingness to accept surgery changed dramatically ,decreasing from 7 166 .67 yuan(mean) to 737 .31 yuan ,while the costs for changing the ratio of the surgery increased from 666 .64 yuan (mean) to 744 .58 yuan ,and its technical efficiency was averaging between 0 .95-0 .96 .Conclusion The time series of unit costs for changing the willingness to ac-cept surgery dramatically dropped ,while changing the ratio of the surgery formed a U-shape curve with an inflection point before which unit costs dramatically dropped and another inflection point beyond which unit costs went up .These findings can inform pro-gram managers of the changing unit costs when extending or expanding the program .