Metabolic components of human intestinal flora bind to their corresponding receptors and stimulate inflammatory cy-tokine secretion. Other changes become evident and cause inflammation, as a result, colorectal cancer (CRC) occurs. Probiotics protect intestinal mucosa and prevent CRC by functioning as an intestinal barrier and inhibiting DNA damage. Probiotics can also be used not only to prevent CRC but also to induce adjuvant treatment of CRC. Gastrointestinal tract surgery can affect gut microbiota metabolism and microecological balance. This review focuses on current research progress on the relationship between intestinal microflora and CRC.

Objective To determine whether the ? cells apoptosis exits in the obesity associated type 2 diabetic rats OLETF and the relationship between the apoptosis and development of type 2 diabetes. Methods Twenty OLETFs and twenty LETOs as control were used. HE staining and TUNE were the way to examine apoptotic ? cell in pancreatic sections. Results (1) The incidence of diabetes in OLETF rats was 95%. None of diabetic rat was found among LETO rats. (2) Apoptotic cells only appeared in pancreatic sections from OLETF rats. (3) The percentage of islet ? cell apoptosis in OLETF rats was higher than that in LETO rats (P=1.26?10 -17 ). (4) In OLETF rats, the percentage of islet ? cells apoptosis was higher in the ages of 4 weeks after the onset of diabetes than that in the ages of four weeks before the onset of diabetes. Conclusion There was a high level of ? cell apoptosis in OLETF rats prior to the onset of diabetes and a further increase of apoptosis after diabetes.

Objective To evaluate the effciency of different embolic agents inducing the changes of the liver morphology and function in the selective portal vein embolization (PVE).Methods Forty five Spraque-Dawley rats were used in this experiment.Five were served as a control group and forty were randomly divided into 4 groups of 10 rats each.Right PVE was performed in each group by one of four different embolic agents respectively.Five rats from each group were sacrificed and dissected to inspect the morphological changes on 14th and 21st day after the procedure.The results of different groups were analyzed according to the weight ratios of the right lobe to the whole liver and the whole liver to the body,and the results were compared to each other and those of the control group using statistical Student“ t ”test. Results After the procedure,the embolized lobe was turned gray immediately with no significant differences between groups.Both on the 14th and 21st day after the procedure,the right lobe of the liver from the rats of group 1,2,3 were atrophied apparently with lots of spotty yellow scars in different sizes.There was no significant change of the embolized right lobe from group 4.By statistical analysis,the embolization using Lipiodol-ethanol 2∶1 mixture in group 2 resulted in better atrophy than group 1 ( P 0.05) and more than the gelfoam pieces ( P

Objective To evaluate the primary application of drug eluting stent for treatment of vertebral stenosis. Methods One vertebral original stenosis was treated by CYPHER TM stent and the relative papers were reviewed. Results A male of 53 years old with paroxysmal vertigo and left hemiplegy revealed nothing abnormal by magnetic resonance imaging (Diffusion Weighted Imaging). But the DSC found his right vertebral origin 4.6 mm long stenosis (more than 90%), the remote artery was 2.6 mm in diameter, and angiography in the right vertebral origin showed right post inferior cerebellar artery (PICA) insufficiently filled and no development of basilar artery. When angiography in the left vertebral, there was no fill in the right PICA. The restenosis rate after vertebral origin stent posting was as high as 43.3%, but drug eluting stent can prevent restenosis. After preparation, a 2.75 mm?13 mm balloon-expandable Cypher stent was posted in on 2004-06-07. Angiography showed the stenosis disappeared, right PICA sufficiently filled, and basilar artery appeared. Antiplatelet agents were used afterwards. There was no attack of vertigo and hemiplegy in the followed-up month. Conclusions The success of using drug eluting stent in verebral artery offers a new choice on preventing ischemia stroke, the long time followed-up is necessary.

Objective To explore the efficacy of two treatment methods for thoracic tuberculosis.Methods According to the different surgical methods,61 patients with thoracic tuberculosis were randomly divided into A group (31 cases) and B group (30 cases).A group was treated with simple thoracic tuberculosis soft tissue lesions removed,and B group was treated with focus removal + rib resection + muscle flap packing.The operation time,pain time,extubation time,hospital stay,wound fluid,cure rate and recurrence rate were compared between the two groups.Results The operation time,pain time,hospital stay time of A group were shorter than those of B group [(35.0 ± 11.0)minvs.(50.0 ±9.5)min,(1.8±1.3)d vs.(4.2 ±2.4)d,(12.5 ±3.4)d vs.(18.8 ±5.7)d],the differences were statistically significant (t =6.257,4.275,5.334,all P ＜ 0.05).There were no statistically significant differences in the extubation time,wound effusion,cure rate and recurrence rate between the two groups [(5.8 ± 3.1) d vs.(5.5 ± 2.8) d,2 cases vs.1 case,100.0％ vs.100.0％,6.4％ vs.3.3％,t =8.691,x2 =9.867,13.674,15.871,all P ＞ 0.05].Conclusion Analysis of the specific situation should be individualized on the chest wall tuberculosis,in the case of rib destruction,the focus should be removed + rib resection + muscle flap packing,if there is no rib destruction,simple chest wall tuberculosis soft tissue lesions removal is more safe,because it is less traumatic for patients.

Objective: To evaluate the efficacy of intraoperative hyperthermic peritoneal perfusion (CHPP) on advanced gastric carcinoma. Methods: Sixty patients with advanced gastric carcinoma were divided into the control group and the treatment group. All patients underwent radical gastrectomy and D2 node dissection. Patients in the treatment group received CHPP when surgical resection was completed. Patients in the control group underwent resection of gastric carcinoma without CHPP. Chemotherapy was administered with FOLFOX4 regimen intravenously for 12 cycles in both groups at 4 weeks after surgery. The serum Carcinoembryonic antigen (CEA) and CA19-9 were measured in patients with advanced gastric cancer before and after resection of tumor. Survival and recurrence in both groups were analyzed and compared. Results: The mean levels of the expression of CEA and CA19-9 in the peripheral blood of the 60 patients were significantly higher than the upper limits of normal (55.89±22.25μg/L vs 0～5μg/L; 125.35±61.78 U/mL vs 0～39U/mL P< 0.01). There were no significant differences in the mean levels of the expression of CEA and CA19-9 in the peripheral blood between the treatment group and the control group (54.67±22.95μg/L vs 56.09±22.15μg/L; 126.16±62.45 U/mL vs 123.35±60.88 U/mL,P>0.05). The serum CEA and CA19-9 levels were significantly decreased at 7 days after treatment in the treatment group (7.58±3.21 μg/L, 31.35±13.47 U/mL, P<0.01). The levels of these two tumor markers were decreased unremarkably at 7 days after treatment in the control group (37. 68±20.59μg/L, 98.23±36.28 U/mL, P>0.05). The serum CEA and CA19-9 levels were decreased significantly in both groups at 30 days after surgery (P<0.05). One-year survival and recurrence rates were 83.3% and 10% in the treatment group and 80% and 13.3% in the control group, with no significant differences between the two groups (P>0.05). Three-year survival and recurrence rates were 63.3% and 20% in the treatment group and 40% and 40% in the control group, with a significant difference between the two groups (P<0.05). Conclusion: Surgical resection combined with CHPP can significantly decrease the serum CEA and CA19-9 levels. Intraoperative CHPP for patients with advanced gastric carcinoma is helpful for preventing peritoneal metastasis and recurrence and can prolong survival time.

Objective To study the effect of thrombin on proliferation and invasion of esophageal cancer cell line Eca109, and to explore its possible mechanism. Methods The proliferation and invasion of Eca 109 cells treated with thrombin were detected by MTT and Transwell assay, respectively. The activity of matrix metalloproteinase 2 (MMP-2) and MMP-9 in the supernatant of Eca109 cells was detected by gelatin zymography. Reverse transcription polymerase chain reaction (PCR) and immunocytochemistry were used to study the mRNA expression of protease-activated receptor 1 (PAR-1), the important receptor of thrombin, and subcellular localization of PAR-1 protein in Eca109 cells, respectively. Results Thrombin could promote Eca109 cells proliferation in a dose-dependent manner. Cell proliferative rates of 0.5 U/ml and 1.0 U/ml thrombin were 34.38 % and 57.19 %, respectively (P< 0.05). Compared to that of control group, the number of Eca109 cells incubated with 1.0 U/ml thrombin invading through the basement membrane of Transwell was increased (303.33 ±6.66 vs. 116.33 ±11.51, P< 0.05). When treated with various concentrations of thrombin for 24 h, the activities of MMP-2 and MMP-9, especially MMP-9, in the supernatant of Eca109 cells were increased in a dose-dependent manner. Eca109 cells expressed PAR-1 mRNA, and PAR-1 protein was mainly located on the cellular membrane. Conclusion Thrombin increases proliferation and invasion of esophageal cancer Eca109 cells and enhances the activities of MMP-2 and MMP-9 in cells supernatant, which might be induced by activation of PAR-1 located on cellular membrane.

Objective To investigate the time and implant selection in conversion from external fixation to internal fixation of tibial shaft fracture.Methods Data of 57 cases of tibial shaft fracture fixed externally followed by internal fixation from February 2003 to February 2012 were analyzed.Internal fixation (intramedullary nails or plates) initiated within 2 weeks (Group A,n =.35) and over 2 weeks (Group B,n =22) were compared in outcomes.Results One infection (3％) and four poor bone healing (11％) were observed in Group A.Five infections (23％) and three poor bone healing (14％) occurred in Group B.For intramedullary nail fixation,no infection was observed in Group A but infection rate of44％ was found in Group B.For plate internal fixation,infection rate was 8％ for both groups.Conclusions The conversion from internal fixation to internal fixation had better start within 2 weeks,with better resuhs,lower rate of infection and safer in comparison with that over 2 weeks.In addition,pin-tract infection is the high risk factor for infection after the conversion of the fixation.

Cinobufacino injection is purified from water extraction of the skin of Bufo bufo gargarizans, which has been widely used for various cancers in clinic with significant anti-tumor effects. Bufadienolides were regarded as the main active constituents of cinobufacino injection in previous reports. In present study, 6 bufadienolides were isolated and purified from Cinobufacino injection. Their structures were identified as 3-epi-ψ-bufarenogin (1), ψ-bufarenogin (2), 3-epi-arenobufagin (3), arenobufagin (4), 3-epi-gamabufotalin (5), and 3-oxo-arenobufagin (6), separately. Among them, 1 and 3 were new compounds, 5 and 6 were new natural products. Compounds 1, 2 and compounds 3, 4 were two pairs configuration isomers at C-3, separately.

Patients with chronic thromboembolic pulmonary arterial hypertension,aged＞ 18 yr,scheduled for primary pulmonary thromboendarterectomy from May 2014 to October 2016 in our hospital,were selected.The site and degree of thrombus obstruction,pulmonary hypertension and degree of right heart insufficiency were assessed on 1 day before surgery.Anesthesia was induced with midazolam,etomidate,rocuronium or cisatracurium,and the Swan-Ganz catheter was placed.Anesthesia was maintained with Ⅳ propofol,dexmedetomidine,cisatracurium or rocuronium,and intermittent Ⅳ large boluses of sufentanil.Deep hypothermia circulatory arrest was used for cardiopulmonary bypass.The bispectral index value was maintained between 40 and 60 during surgery.The systemic blood pressure was maintained above 90/60 mmHg during the non-cardiopulmonary bypass period,and pulmonary arterial pressure was maintained not higher than the preoperative baseline level.The vasoactive drugs such as lyophilized recombinant human brain natriuretic peptide,norepinephrine and dopamine were intravenously injected after cardiopulmonary bypass.A total of 53 patients were included in the study and completed surgery successfully,vital signs were stable during surgery,and the patients returned to the recovery room safely.The mean pulmonary arterial pressure was reduced from the preoperative (38±13) mmHg to (26±12) mmHg at the end of the operation,the incidence of reperfusion pulmonary edema after surgery was 8％,incidence of pulmonary hypertensive crisis was 4％,and no patients died in the perioperative period.There were two improvements in the method of anesthetic management of pulmonary thromboendarterectomy in the perioperative period:(1) Lyophilized recombinant human brain natriuretic peptide in combination with norepinephrine was used;(2) The aortic pressure was guaranteed to ensure oxygen supply for the heart and body.This method can maintain the intraoperative circulation stable and reduce postoperative complications and is a suitable anesthetic management method for pulmonary thromboendarterectomy.