Objective: The reliability of multiple exposure technique in QA imaging was evaluated by combining IP plate of X-ray radiography and homemade QA verification plate. Methods: The QA verification films with different properties derived from placing the QA verification plate and the IP plate on corresponding location were compared with established traditional QA methods. Results: The data from verification films of light and radiation field overlapping derived from combining QA verification plate and IP plate were analyzed by eFilm software in 10cm×10cm radiation field. The results were similar with that of 3D water tank scanning, and were basically same with the analytical results collected from the PTW 2D-ARRAY729 matrix. Conclusion:Using described method in this paper, the result was accurate, the operation was easy, and the cost was low. This method was of good practicability.

ObjectiveTo investigate current status of community health management for hypertensive patients.Methods A total of 59 communities from 5 provinces of China were selected by cluster sampling methods,and 55 communities responded.The detailed health management for hypertensive patients was collected through structured interviews. Results (1) Self-management support in health education:the rates of diet control,physical exercise and medication guide were 100.0％ (55/55),96.4％(53/55) and 98.2％ (54/55),respectively,and the rates of home blood pressure monitoring,patientdoctor cooperation,and social mental guidance were 83.6％ (46/55),85.5％ (47/55) and 85.5％ (47/55),respectively.(2) Delivery system redesign:the rates of doctor training,branch cooperation,routine follow-up study and health promotion were 100.0％ ( 55/55 ),67.3％ ( 37/55 ),72.7％ (40/55) and 74.5 ％ (41/55),respectively.(3) Decision support:the rates of embedding evidence-based guidelines on daily clinical practice,expert consultation and health maintenance were 72.7％ (40/55),67.3％ (37/55)and 92.7％ (51/55),respectively.(4) Clinical information systems:the usage rates of long-term followup or monitoring system were 80.0％( 44/55 ) and 89.1％ ( 49/55 ),respectively. ( 5 ) Community resources and policies:the rates of health promotion,environment supporting and community action were 96.4％ (53/55),72.7％ (40/55) and 85.5％ (47/55),respectively.(6) Health system support:the rates of using effective evaluation indexes,senior leader supporting,continuous policy making and increased reimbursement of medical insurance in health-care organizations were 81.8％ (45/55),85.5％ (47/55),74.5％ (41/55) and 61.8％ (34/55),respectively.The rates of providing incentives,increasing staff in community,encouraging general practitioner to participate in policy making and increasing the salary of general practitioner were 58.2％ (32/55), 50.9％ ( 28/55 ), 54.5％ ( 30/55 )and34.5％ ( 19/55 ),respectively.ConclusionThe community hypertension management in some areas of China considers the principles of chronic disease models,and may play an important role in the prevention and control of high blood pressure in communities.

Interleukin-15 is a multffunctional cytokine,which are the activating and induction factors of the T-cell,B-cell,NK-cell and lymphokine-activated killer cell (LAK).It can stimulate hematopoietic stem cell proliferation and differentiation,enhance immunity and has anti-tumor effects.IL-15 and IL-2 have similar structures and functions,but many activating effects of IL-15 are stronger than the other's.IL-15 is closely related to tumor development,and has broad application prospects in biological therapy of cancer.

AIM: To observe the effect of phagotrophic ability of macrophage on pseudomonas aeruginosa which was cocultured with low concentration of erythromycin. METHODS: The pseudomonas aeruginosa ATCC 27853 was cultured in LB both with low concentration of erythromycin (Group A) and without erythromycin (Group B) for 18 h separately, then incubated with macrophage from murine abdominal cavity for 2 h. The ratio of phagocytosis of macrophage was determined by microscope detection. RESULTS: The ratio of phagocytosis of group A in which erythromycin was added was higher than the group B, and the pseudopodia of macrophage were increased in the group A under electron microscope. CONCLUSION: Low concentration of erythromycin may enhance the phagocytosis ability of macrophage in vitro by influencing the virulent factors of PA.

Objective To analyze the effects of position shift and dose adjustment on the pass rate of IMRT dose verification to facilitate to obtain rapidly high-pass-rate IMRT dose verification report.Methods At first,the dose unit of measuring dose map image and planning Dose Profile was unified.Secondly,the planning Dose Profile was moved at lateral and cephal-ocaudal directions respectively in contrast mode so as to determine the position error with the maximum pass rate.Thirdly,the highest pass rate point of dose verification was found in the range of dose adjustment.Fourthly,the plan report with the highest pass rate of dose verification was found out by adjusting position error and dose coefficient.Results The highest pass rate was obtained in case the displacement was-3 mm at lateral direction or +3 mm at cephal-ocaudal direction;high pass rate was got when dose adjustment coefficient was 1.02;high pass rate was achieved in case the displacement was-3 mm at lateral direction,+2 mm at cephal-ocaudal direction and the dose adjustment coefficient was 1.02,which was significantly different from those with other combined values (P＜0.05).Conclusion The dose verification technique is convenient and quick when used to obtain a high-pass-rate dose verification report.

Objective] To explore the theoretical origin, clinical application method, effect and practical significance of the treatment of ectopic pregnancy with blood stasis. [Method] From blood stasis on the treatment by promoting blood circulation to remove blood stasis, Yiqi Yangxue Huayu Shapei, expelling blood circulation, method to eliminate the disease, stage of treatment, a reasonable choice of promoting blood circulation and removing blood stasis drugs in the treatment of ectopic pregnancy. [Results] From blood stasis on the treatment of ectopic pregnancy, it can accelerate the beta HCG negative, and speed up the ectopic pregnancy mass absorption, clinical curative effect significantly, the greatest degree of protection of fallopian tube integrity, improve blood circulation, and tubal function recovery, increase after treatment the chances of conception. [Conclusion] Qi stagnation, blood stasis and Qi deficiency and blood stasis are ectopic pregnancy basic pathogenesis, less empirical abdominal blood stasis is the essence of its pathogenesis. The existence of blood stasis in ectopic pregnancy of each type and disease development of the whole process, in the occurrence of the disease, and occupies an important position in the development, promoting blood circulation and removing blood stasis is the basic treatment, should be in clinical dialectical treatment of the whole process of fusion.

[Objective]To explore the treatment effect of acute Lisfranc fracture-dislocations by cannulated screw fixation.[Method]From February 2001 to August 2005,21cases of acute Lisfranc fracture-dislocations were treated with open reduction and cannulated screw fixation.[Result] According to the AOFAS for mid foot,1 case scored 70 to 80,3 cases scored 80 to 90 and 17 cases scored 90 to 100.[Conclusion]Treatment effect of acute Lisfranc fracture-dislocations by cannulated screw fixation in early stage can lead to satisfactory reduction and clinical results,it is a satisfying method.

Objective To develop a biosensor method with strong specificity and high‐throughput by combining with the surface plasmon resonance (SPR) and gene chip technique and aiming at 9 kinds of common respiratory tract viruses including influenza A and influenza B ,(Influ A ,B) ,H1N1 ,respiratory syncytial virus (RSV) ,parainfluenza virus 1 -3 (PIV1 -3) ,adenovirus (ADV) and coronavirus (SARS) leading to severe acute respiratory syndrome .Methods Firstly the software primer 5 was used to design the specific primer and probe of related viruses in the conserved sequence ;the designed nine kinds of corresponding respiratory virus probes were immobilized in the specific region of SPR chip after chemical modification .The SPR technique was applied to conduct the real time monitoring the hybridization process of the probe with the PCR products .Finally the signal amplification was realized by the biotin and streptavidin system .Results The designed gene chip could detect 9 kinds of respiratory tract viruses by high‐throughput with better detection specificity ;the chip surface could be reutilized after certain regeneration condition ,which avoided the influence of intra‐batch difference on the results ;the detection sensitivity reached the nanomole level .Conclusion The prelimi‐nary study results demonstrate that using the SPR biosensor technique to establish a high‐‐throughput detection of respiratory tract viruses has some practicability and feasibility ,and is expected to become a rapid ,large scale and high‐ throughput measure for screening respiratory tract viruses with good application prospect .

Weighted topsis method is applied to evaluate the key factors in medical management of diabetes mellitus.The key factors are admission examinations,drug selection,patient serf-management skills,nursing quality,and physicians'capability.

Objective To analyze the characteristics of spontaneous otoacoustic emission in full-term newbo‐rns .Methods The Capella OAE equipment (Madsen ,Denmark) was used to test Spontaneous Otoacoustic Emission (SOAE) in 147 cases (236ears) who have passed the newborn hearing screening with TEOAE(Transient Evoked Otoacoustic Emissions) .Results The SOAE incidence was 56 .77% (male 41 .51% ,female 69 .23% ;left ear 49 .14% ,right ear 64 .17% ) .It was significantly higher in females (P<0 .05) and in right ear (P<0 .05) .The av‐erage amplitude was 11 .78 ± 8 .36 dB SPL( 11 .73 ± 8 .25 dB in male ,11 .81 ± 8 .43 dB SPL in female;11 .97 ± 8 .56 dB SPL in the left ear ,11 .65 ± 8 .22 dB SPL in the right ear) .There were significant differences in genders(P<0 .01) .The frequency of SOAE focused on 3 .2~ 3 .7 kHz(2 .9~3 .4 kHz in males ,3 .4~3 .9 kHz in females ;3 .2~3 .7 kHz in the left ears ,3 .2~3 .6 kHz in the right ears) .There were significant differences in genders(P<0 .01) .The average peak of SOAE was 3 .70 ± 2 .75(3 .86 ± 2 .87 in males ,3 .62 ± 2 .70 in females;3 .70 ± 3 .02 in the left ears ,3 .70 ± 2 .55 in the right ears) .There were no significant differences in genders and laterality .Conclusion The characteristics of SOAE in full-term newborns include higher incidences ,multiple peaks and high frequency distribution .