Objective:To measure serum levels of salusins and catestatin and analyze their correlation in patients with essential hypertension (EH) .Methods :A total of 90 EH patients were selected as hypertension group .According to blood pressure level ,they were further divided into hypertension stage 1 group (n=31) ,hypertension stage 2 group (n=30) and hypertension stage 3 group (n=29) .Another 40 normotensive subjects undergoing physical examina‐tion were selected as normal control group .Enzyme linked immunosorbent assay (ELISA) was used to measure ser‐um levels of salusins and catestatin , and the correlation between serum levels of salusins and catestatin was analyzed . Results :Compared with normal control group ,there were significant reductions in serum levels of salusins [ (3.01 ± 0.66) ng/ml vs .(1.44 ± 0.42) ng/ml ,(1.35 ± 0.89) ng/ml ,(1.41 ± 0.32) ng/ml] and catestatin [(132.24 ± 7.55) ng/ml vs .(89.22 ± 6.12) ng/ml vs .(82.51 ± 8.37) ng/ml ,(83.34 ± 4.47) ng/ml] in hypertension stage 1 ,stage 2 and stage 3 group , P<0.01 all;compared with stage 1 group ,there were significant reductions in serum catestatin levels in stage 2 and stage 3 group (P<0.01 both) ,but there were no significant difference in serum salusins level a‐mong three groups of hypertension ( P>0.05 all) .Pearson correlation analysis indicated that serum salusins level had no correlation with catestatin level ( r=0.363 , P>0.05) in normal control group ,while serum salusins level was significant positively correlated with catestatin level (r=0.723 ,P<0.01) in hypertension group .Conclusion:Serum levels of salusins and catestatin significantly reduce and they is positive correlation in patients with hyperten‐sion .Along with blood pressure level rises ,serum catestatin level reduces .

Objective:To explore changes of plasma levels of catestatin (CST)and brain natriuretic peptide (BNP)in patients with chronic heart failure (CHF)and their correlation.Methods:A total of 60 CHF patients treated in our department of cardiology from Jun 2014 to Dec 2014 were enrolled as CHF group,another 60 healthy subjects un- dergoing physical examination were regarded as normal control group.Enzyme linked immunosorbent assay was used to measure plasma levels of CST and BNP in two groups,then the results were compared.Linear correlation analysis was used to analyze the correlation between plasma levels of CST and BNP.Results:Compared with normal control group,there were significant rise in plasma levels of CST [(0.40±0.15)ng/L vs.(0.88±0.34)ng/L]and BNP [(30.84±12.56)ng/L vs.(678.21±120.35)ng/L]in CHF group,P<0.01 both.Linear correlation analysis indi- cated that plasma CST level was significant positively correlated with BNP level (r=0.38,P<0.05).Conclusion:Catestatin level is significant positively correlated with the most sensitive cardiac function index—brain natriuretic peptide level,suggesting that it could be used as a new biochemical marker diagnosing or excluding heart failure.

Objective: To explore change of plasma endogenous hydrogen sulfide content before and after late open vasculature in patients with myocardial infarction and its significance. Methods: A total of 60 patients with primary myocardial infarction, who didn’t receive thrombolytic therapy and lesion locations had been confirmed by coronary angiography, were divided into group of successfully open after occlusion in proximal segment of left anterior descending artery (LAD group, n=20), group of successfully open after occlusion in proximal segment of right coronary artery (RCA group, n=20) and group of successfully open after occlusion in proximal segment of both above arteries (LAD + RCA group, n=20). Spectrophotometry method was used to measure concentration of endogenous H2S before and after open vasculature in all groups. Results: Compared with endogenous H2S level before open vasculature, there were significant increase in endogenous H2S level in LAD group [(24.44+3.27) μmol/L vs. (37.47+2.38) μmol/L], RCA group [(24.48+3.60) μmol/L vs. (37.22+2.56) μmol/L] and LAD + RCA group [(20.41+2.22) μmol/L vs. (30.34+2.37) μmol/L] after open vasculature, P<0.05 all. Conclusion: Concentration of endogenous hydrogen sulfide significantly increases after open vasculature in patients with myocardial infarction; it may be beneficial for prognosis of patients.

Objective To investigate the influences of different factors on postpartum pelvic floor muscle injury, and provide clinical evidence to the early prevention of pelvic floor dysfunction (PFD). Methods A total of 65 630 women, who participated the postpartum pelvic floor function screening in Tianjin, from December 2011 to December 2014 were selected in this study. The uniform detect methods was used in this study. The analysis based on the PFD was diagnosed by physi?cians of Women’s and Children’s Health Center in each district. The influences of different factors on postpartum pelvic floor muscle were analyzed. Results There were 19 452 (29.6%) women suffering from postpartum pelvic floor muscle inju?ry, with the abnormal rate 29.6%, which was higher in rural areas than that in urban areas (33.9%vs 27.8%). The abnormal rate was higher in women with junior middle education or below (34.1%) than that in women with senior middle or polytech?nic schooling (30.4%), and women with college or higher education (27.7%). There was a higher abnormal rate in women with vaginal surgery delivery (40.8%) than that in women with natural delivery (32.5%) and women with caesarean section (27.2%). The muscle abnormal rate was higher in women having given two or more than two times of deliveries (34.6% , 31.5%) than those having initial delivery (29.1%). Multiple factor analyses showed that city residency, higher education and less delivery times were protecting factors for postpartum pelvic floor muscle while vaginal surgery was a risk factor for post?partum pelvic floor muscle. Conclusion There is a high incidence of postpartum pelvic floor muscle injury in the region of Tianjin. Analyzing the risk factors and strengthening the management of pelvic floor muscle injury by early prevention or ear?ly treatment would help to reduce the incidence of PFD effectively during pre-pregnancy and perinatal periods.

Objective To observe the effect of Naoxintong capsule on blood lipid and hemorheology in the treatment of type 2 diabetes mellitus patients complicated with cerebral infarction with Qi deficiency and blood stasis type.Methods From February 2015 to February 2017,96 type 2 diabetes mellitus patients complicated with cerebral infarction with Qi deficiency and blood stasis type who treated in the Traditional Chinese Medicine Hospital of Tongxiang were selected in the research.The patients were randomly divided into two groups according to the digital table,with 48 cases in each group.The control group was treated with routine treatment scheme,while the observation group was added Naoxintong capsule.The blood lipids and hemorheology data before and after treatment were compared between the two groups.Results After treatment,the levels of LDL-C,TG,TC and HDL-C in the observation group were (1.8 ± 0.3) mmol/L,(0.9 ± 0.4) mmol/L,(2.1 ± 0.4) mmol/L,(1.6 ± 0.7) mmol/L,respectively,which were lower than those in the control group [(2.2 ± 0.4) mmol/L,(1.2 ± 0.6) mmol/L,(2.3 ± 0.3)mmol/L,(1.3 ±0.4) mmol/L] (t =5.54,2.88,3.18,2.58,all P ＜0.05).The HCT,ESR,EEP,Fig in the observation group were (41.5 ± 1.3) ％,(16.5 ± 2.1) mm/h,(292.1 ± 18.3) s,(7.6 ± 0.4) g/L,respectively,which were lower than those in the control group[(45.6 ± 1.4)％,(21.1 ± 3.2)mm/h,(332.3 ± 19.2)s,(8.2 ± 0.3) g/L] (t =14.87,8.33,10.50,8.31,all P ＜ 0.05).Conclusion Naoxintong capsule is effective in the treatment of type 2 diabetes mellitus patients complicated with cerebral infarction with Qi deficiency and blood stasis type,and can effectively improve the related indicators of blood lipids and hemorhelogy and stabilize the carotid artery plaque,it is worthy of clinical application.

Objective To study the calculation of the room shielding thickness of tomotherapy accelerator,a new type of radiotherapy facility,especially the impact of the beam block on the shielding design.Methods According to the relevant standards,combined with the room geometry,the shielding thickness was calculated without the presence of the beam block,considering the primary beam,the scattered beam and leakage.Meanwhile,the shielding thickness was also calculated as comparison with the presence of the beam block,based on the characteristics of tomotherapy facility and its radiation field.Results There was statistical difference between the shielding thicknesses calculated with the presence of the beam block and those without the beam block,to the primary beam direction including the south wall,north wall,the roof and the floor,the shielding thickness were decreased by 95.59%,63.63% ,80.73%and 51.30% ,respectively.Conclusions For the tomotherapy accelerator,the beam block could be of great help to minify the shielding thickness of the room.The radiation field of the tomotherapy facility could be used for the calculation to improve accuracy,and the shielding thickness can also be estimated by subtracting the initial shielding thickness without beam block of the beam block equivalent thickness in the primary beam direction alternatively.

Objective To study the changes of gonadotropin releasing hormone agonist (GnRH-a) in pinopodes during luteal phase and to explore the possible mechanism of GnRH-a in luteal phase support of assisted reproductive technology (ART).Methods Totally 40 primary infertility women who were treated with ART due to male factors were enrolled,according to the order of the group they were randomly divided into experimental group and control group.On the 7th day after ovulation,the experimental group received a subcutaneous injection of 0.1 mg of GnRH-a,while the control group received a subcutaneous injection of placebo only (0.9％ salinc 2 ml),3 days later they came to the clinic again.Serum estradiol and progesterone levels were measured before and after treatment in each group.Pinopodes were collected for electron microscopic examination.Levels of ER and PR were detected by western blot.Results (1) There was no significant difference between the experimental group and the control group in the estrogen level before and after the treatment (all P＞0.05).The level of progesterone in the experimental group after treatment [(66.8± 14.9) nmol/L] was significantly higher than that before treatment(P＜0.05);also significantly higher than the same period of the control group (P＜0.05).(2) There was no significant difference in the expression of ER protein in the experimental group before and after treatment (P＞0.05).The expression of PR in the experimental group after treatment was significantly lower than that before treatment (P＜0.05);also lower than the same period of the control group (P＜0.05).(3) Expression amount of pinopodes in the experimental group after treatment was significantly higher than that before treatment [65％ (13/20) versus 25％ (5/20),P＜ 0.05],and the development trend was more mature [the percentage of maturation:75％ (15/20) versus 35％ (7/ 20),P＜0.05].Expression amount of pinopodes after treatment and the percentage of maturation in the experimental group were significantly higher than those in the same period of control group (P＜0.05).Conclusion GnRH-a in luteal phase support may play a role through the corpus luteum,which may promote the secretion of progesterone,downregulation of PR expression,promote the growth of pinopodes,and improve the endometrial receptivity.

Objective To provide evidence for a more reasonable method of determining red bone marrow dose by analyzing and comparing existing simulation methods.Methods By utilizing Monte Carlo simulation software MCNPX,the absorbed doses of red hone marrow of Rensselaer Polytechnic Institute (RPI)adult female voxel phantom were calculated throush 4 different methods:direct energy deposition.dose response function(DRF),King-Spiers factor method and mass-energy absorption coefficient (MEAC).The radiation sources were defined as infinite plate.sources with the energy ranging from 20 keV to 10 MeV.and 23 sources with different energies were simulated in total.The source was placed right next to the front of the RPI model to achieve a homogeneous anteroposterior radiation scenario.The results of different simulated photon energy sources through different methods were compared.Results When the photon energy was lower than 100 key,the direct energy deposition method gave the highest result while the MEAC and King-Spiers factor methods showed more reasonable results.When the photon energy was higher than 150 keV taking into account of the higher absorption ability of red bone marrow at highcr photon energy,the result of the King-Spiers factor method was larger than those of other methods.Conclusions The King-Spiers factor method might be the most reasonable method to estimate the red bone marrow dose from external radiation.

With in-depth studies on the etiology and pathogenesis, pathological viscera and bowels, and rule of disease progression of primary liver cancer in recent years, some clinical and experimental results have been achieved for the treatment of primary liver cancer with traditional Chinese medicine, such as treatment based on syndrome differentiation and disease differentiation, compound prescriptions and monomers of Chinese herbs, oral administration of drugs/acupuncture and moxibustion/external application, and prevention before disease onset and prevention of recurrence, which reflects the rich methodological connotations of traditional Chinese medicine and lays a foundation for constructing a new diagnostic and therapeutic mode for liver cancer based on integrated traditional Chinese and Western medicine therapy.

Background and objective For the assessment of elderly patients can tolerate lung cancer operation, there is no clear standard. To evaluate the clinical validity of POSSUM (Physiological and Operative Severity Score for the Umeration of Mortality and Morbidity) in elderly non-small cell lung cancer (NSCLC) surgery patients, we want to provide an important basis for operation treatment decisions. Methods A total of 138 patients, with 88 males and 50 females, with elderly NSCLC surgery between December 2007 and December 2013, are included in PLA general hospital. Using the mul-tivariate Logistic regression analysis, we evaluate the value of each factor on the actual postoperative complications mortality and morbidity. hTe scorings on standard POSSUM and modiifed POSSUM in the complication group are compared with the non-complication group using the group t test. Drawing receiver operating characteristic (ROC) curve in standard POSSUM group and modiifed POSSUM group, calculating the area under the curve (AUC), AUC in standard group is compared with modiifed group using t test. Judge if the modiifed POSSUM prediction is consistent with the actual mortality and morbidity. Results Among 138 patients, there were 77 postoperative complications in 59 patients, 2 cases of death. According to the Logistic regression analysis, 17 of 18 factors in standard POSSUM, pulmonary function, different TNM stage are predictors for postoperative complications (P<0.05). Age is a predictor for postoperative death (P<0.05). In the standard POSSUM scor-ing, actual complication group compared with non-complication group, the difference is statistically signiifcant (P<0.01). In the modiifed POSSUM scoring, complication group is compared with non-complication group, the difference is statistically signiifcant (P<0.01). Compared with the standard POSSUM, the modiifed POSSUM has better predictive value on postopera-tive morbidity, and the comparison of AUC between the two groups is statistically signiifcant. But the latter shows the overpre-dicted mortality (P<0.01). Conclusion hTe modiifed POSSUM has a good predictive value on postoperative complications in elderly NSCLC surgery patients, so it can provide the basis for decision-making operation treatment.