1.Investigation of use of antimicrobial agents in tension-free inguinal hernia repair during perioperative period
Shubo XIN ; Yanjie CHEN ; Xiumin ZHANG
Chinese Journal of Primary Medicine and Pharmacy 2014;(z1):16-18
Objective To investigate the use of antibacterial drugs in tension -free inguinal hernia repair before and after the 2012 National clinical use of antibiotics special management ,providing the basis for the rational use of antimicrobial drugs and standardized management .Methods Retrospectively investigate the antimicrobial ap-plication in patients undergoing tension-free inguinal hernia repair and discharged from July to September in 2011-2013,and analyzed the timing of administration ,usage,type and treatment time of antimicrobial drugs .Results There were respectively 93.24%,47.76%and 27.59%of patients in the three groups administrated prophylaxis antibacte-rial drugs,and respectively 9.19%,65.67%and 85.08%of patients with indications .The first wound healing rates were respectively 94.59%,98.51% and 96.55%.The rates of reasonable choice of medicines 70.60%,96.88%and 91.67%,respectively;the rates of reasonable timing for medication were 71.01%,81.25%and 70.83%,respec-tively;the rates of reasonable courses of prophylaxis therapy were 33.33%,56.25% and 58.33% respectively. Conclusion The principle of no preventive antibiotics use in tension-free inguinal hernia repair is operable .After en-actment of special management of antibacterial drugs ,the level of preventive medication for tension-free inguinal herni-a repair is improved greatly .However ,it still needs to strengthen the management of antimicrobial prophylaxis timing and overall prophylaxis treatment course .
2.The chemotherapy of oxaliplatin combined with capecitabine in advanced gastric cancers
Jianhua MIAO ; Shubo CHEN ; Jiawei ZHANG
China Oncology 2001;0(05):-
Purpose:To evaluate the short-term effect of combination chemotherapy of oxaliplatin plus capecitabine on advanced cancer.Methods:32 patients of advanced gastric cancer were treated with oxaliplatin plus capecitabine for 76 weeks.Results:There were 6 CR, 16 PR, 8 NC, 2 PD, in our group and the overall response rate was 68.75% (22/32). The median alleviative time was 8 months, the median survival time was 12 months and the one-year survival rate was 55%. 30(93.75%) patients benefited from this method. The side effects were all tolerable which were alleviated by active therapy. There was no death and nobody stopped chemotherapy because of side effects.Conclusions:Combination chemotherapy of oxaliplatin plus capecitabine to treat advanced gastric cancers was certainly effective and tolerable to toxicities. This chemotherapy will be used as the first-line in more patients and is worthy of further study.[
3.Meta-analysis of long-term survival of standard and extended pancreaticoduodenectomy for carcinoma of the head of pancreas
Jin MA ; Jiangming CHEN ; Shubo PAN ; Shengxue XIE ; Xiaoping GENG
Chinese Journal of General Surgery 2015;30(7):556-561
Objective To compare the complication and long-term efficacy of standard and extended pancreaticoduodenectomy for carcinoma of the head of pancreas by meta-analysis.Methods A literature search was performed of PubMed,Web of Science,Springer,WanFang,CNKI and CBMDisc databases from January 1990 to August 2014.Qualitative analysis of these literatures was conducted using Jadad evaluation.Patients with pancreatic head carcinoma undergoing extended radical resection and standard radical resection were divided into treatment group (extended pancreaticoduodenectomy group,EPD) and control group (standard pancreaticoduodenectomy group,SPD),respectively.Based on the heterogeneity test,meta-analysis of a fixed-or random-effect model were used.Results A total of 5 studies suitable for the selection criteria were chosen,involving 597 patients (299 in EPDs and 298 in SPDs).The results of meta-analysis showed that the EPDs have significantly longer operative time (MD =64.36,95% CI =23.88-104.85,P =0.002) and more dissected lymph nodes (MD =16.45,95% CI =9.61-23.29,P < 0.000 01) than SPDs.There was no statistical difference (OR =1.76,95 % CI =0.66-4.65,P =0.26) in postoperative complications (46.3% vs 36.0%) mortality (OR =1.31,95% CI =0.47-3.69,P =0.61),1-year survival rate (OR =0.70,95 % CI =0.49-0.99,P =0.05),3-year survival rate (OR =0.79,95% CI =0.55-1.15,P =0.22),and 5-year survival rate (OR =-0.02,95% CI =-0.17-0.12,P =0.77).Conclusions Compared with standard radical resection,extended radical resection for pancreatic head carcinoma does not prolong the postoperative 1-,3-,and 5-year survival rates with comparable postoperative mortality and morbidity and prolonged operative time.
4.Investigation of Dissolvability of Ephedra Alkaloid in Compatibility Ephedrae Herba- Aconiti Lateralis Radix Praeparata
Yanhong WANG ; Shubo LIU ; Feng GUAN ; Dazhong CHEN
Chinese Journal of Information on Traditional Chinese Medicine 2017;24(1):91-94
Objective To determine equilibrium solubility and apparent oil/water partition coefficient of ephedra alkaloid in the compatibility Ephedrae Herba-Aconiti Lateralis Radix Praeparata; To provide a basis for transdermal delivery.Methods The extract was prepared by 70% ethyl alcohol and D101 macroporous absorbent resins. Dissolvability of its main effective components (ephedrine and pseudoephedrine) in the compatibility Ephedrae Herba-Aconiti Lateralis Radix Praeparata was determined by precipitation method and HPLC method; the oil/water partition coefficient of ephedrine and pseudoephedrine in n-octanol-water buffer solution system were determined by shaking flask method.Results The extract had optimum solubility in methyl alcohol and acetonitrile, and ephedrine and pseudoephedrine had optimum solubility in buffered solution of pH 7.4. Oil/water partition coefficient of ephedrine and pseudoephedrine in n-octanol-water system was 0.101 with lgP=-0.99 and 0.076 with lgP=-1.12. Oil-water partition coefficients of ephedrine and pseudoephedrine in the extract were affected by pH.Conclusion The extract has optimum solubility in high polar solvents. Ephedrine and pseudoephedrine have certain fatsoluble and water-soluble in suitable pH, which was beneficial for transdermal absorption.
5.Effects of Xuebijing Injection on serum CRP, TNF-α and IL-6 levels in patients with severe acute organophosphorus pesticide poisoning
Yinghai TIAN ; Qiuxia CHEN ; Xiaoying DENG ; Shubo CHEN ; Fangming WU ; Bin PI ; Yujuan CHEN
Chinese Traditional Patent Medicine 2017;39(7):1365-1368
AIM To explore the effects of Xuebijing Injection (Carthami Flos,Salviae miltiorrhizae Radix et Rhizoma,Paeoniae Radix Rubra,etc.) on serum CRP,TNF-α and IL-6 levels in patients with severe acute organophosphorus pesticide poisoning (AOPP).METHODS Seventy-two cases of patients with AOPP treated from Jan 2014 to Mar 2016 in the emergency department of our hospital were randomly divided into two groups,the control group treated with atropine,pralidoxime chloride and conventional treatment,and the observation group combined with Xuebijing Injection.The dynamic changes of serum CRP,TNF-α and IL-6 levels,and clinical curative effects were compared between the two groups.RESULTS The serum CRP,TNF-α and IL-6 levels in the two groups were decreased in turn before the treatment,at the 3rd,7th days after the treatment,and the serum CRP,TNF-α and IL-6 levels in the observation group were significantly lower than those in the control group;the dosage of atropine,time of cholinesterase activity recovered 60% and hospital stay in the observation group were significantly less than those in the control group;the rebound rate of the observation group was lower than that of the control group.The acute respiratory distress syndrome (ARDS) rate in the observation group was significantly lower than that in the control group.All the differences had statistical significances (P < 0.05).CONCLUSION Xuebijing Injection can effectively inhibit the inflammatory response,reduce the incidence of complications,shorten the course,and improve the clinical efficacy in the treatment of patients with AOPP.
6.Study of quantitative analysis of contrast-enhanced ultrasonic technique in acute radiation-induced liver injury
Jun FENG ; Shujun WU ; Shubo CHEN ; Ping SUN ; Tianyou XIN ; Yingzhen CHEN
Chinese Journal of Ultrasonography 2015;24(3):258-261
Objective To evaluate early diagnostic value of quantitative analysis of contrast-enhanced ultrasound (CEUS) in acute radiation-induced liver injury.Methods Sixty female rats were divided into two groups:50 rats in an experimental group (model group) and 10 rats in a negative control group.The rats in model group were radiated with stereotactic single dose of 20Gy on their liver to establish acute radiationinduced liver injury models.Each 10 rats from model groups and 2 rats from control group were randomly selected and underwent CEUS and histopathological examination on the 3,7,14,21,28 days after radiation.The degree of injury was classified into four groups according to pathological grading:non-injured group,mild injured group,moderated injured group and severe injured group.The dynamic images of CEUS were off-line analysis and the parameters of arrival time of contrast agent to hepatic artery (HAAT),the arrival time of contrast agent to hepatic vein (HVAT),and the transit time of hepatic artery-hepatic vein (HAHVTT) were recorded.Time intensity curve (TIC) of liver parenchyma drawn by the software of quantitative analysis was used to obtain quantitative parameters including time to peak (TTP) and peak intensity (PI).Results Along with the severity degree of radiation-induced liver injury,the quantitative parameters,PI decreased while TTP extended.PI of mild injured group,moderated injured group and severe injured group were lower than that of non-injured group (P <0.05).TTP of the three liver injuried groups was higher than non-injured group (P <0.05).The quantitative parameters HA-HVTT of moderated injured group and severe injured group were decreased than the non-injured group (P <0.05),whereas the difference between mild injured group and non-injured group was not significant.Conclusions Quantitative analysis of CEUS can provide a certain value for early diagnosis in acute radiation-induced liver injury.
7.Application values of flexible ureteroscope in treatment of retained kidney calculi after percutaneous nephrolithotomy
Leizhen CHEN ; Haifeng XU ; Tao FENG ; Shubo CHEN ; Junli WEI ; Donghui JI
Chinese Journal of Postgraduates of Medicine 2015;38(3):160-163
Objective To explore the effect of flexible ureteroscope in treatment of retained kidney calculi after percutaneous nephrolithotomy.Methods Thirty-six patients with retained kidney calculi after percutaneous nephrolithotomy who were treated with flexible ureteroscope were selected,and clinical data of the patients were retrospectively analyzed.Results In the 36 patients,26 patients were through the percutaneous nephroscope channel,and 10 patients were through the ureter channel.Except for 1 patient who stopped the operation because of poor visibility caused by active bleeding in percutaneous nephroscope channel lithotripsy 7 d after percutaneous nephrolithotomy,other patients did not appear severe complication.All the patients were rechecked plain abdominal radiograph the second,seventh and fourteenth day after this operation,and the eradication rates of calculi were 13.9% (5/36),69.4% (25/36) and 94.4% (34/36).Two patients still had less than 0.4 cm retained calculi in lower renal calices and were followed up.Conclusions The retained kidney calculi after percutaneous nephrolithotomy can be effectually treated by flexible ureteroscope,and it can avoid secondary percutaneous nephrolithotomy or multichannel percutaneous nephrolithotomy,and inprove the eradication rate of complex kidney calculi by percutaneous nephrolithotomy.The method is economical,safe,simple and with little injury,and it is the effective supplement protocol of percutaneous nephrolithotomy.
8.Gene expression profile of oligodendrocytes in vitro in early stage after ionizing irradiation
Shubo CHEN ; Ye TIAN ; Chunfeng LIU ; Chunpeng LI ; Ye ZHANG ; Chunlin XIA
Chinese Journal of Radiological Medicine and Protection 2011;31(1):10-12
ObjectiveTo characterize the gene expression in acute phase of irradiated oligodendrocytes (OL) in vitro.Methods The total RNA was extracted from irradiated OLs with 10 Gy by 6 MV X-rays at 1 and 4 h.The Affymetrix RAT 230 2.0 microarray were used to evaluate and screen the gene expression profile.The quantitative real-time RT-PCR was performed to validate the microarray results of selected myelin basic protein (MBP) and neural cell adhesion molecule 1 ( NCAM-1 ) genes.Results Compared with un-irradiated OLs,there were 1079 different expressed genes in irradiated cells.Those genes were classified in 79 categories based on the functional classification.Some familiar genes associated with OL cellular physiological process,apoptosis,cell cycle control,metabolism,cell communication and receptor binding were included.Compared with the microarray results,the coincidence rate of real-time RT-PCR was 91.7%.The down-regulation of MBP and up-regulation of NCAM 1 gene expression were confirmed.Conclusions Radiation-induced changes in gene expression in OLs took place in acute phase and influenced by time-course.The changes of MBP and NCAM1 gene expression may play a key role in the pathogenesis of radiation-induced demyelination.
9.Purification, Biochemical Properties, and Activities of a Novel Factor X Activator (F V e-1 ) from Daboia Russelli Siamensis ( Myanmar ) Venom
Xi LIN ; Shubo XIN ; Jiezhen QI ; Xiuxia LIANG ; Jiashu CHEN ; Pengxin QIU ; Guangmei YAN
Journal of Sun Yat-sen University(Medical Sciences) 2012;33(2):141-148
[Objective] To purify and characterize a novel factor X activator,Fve-1 from Daboia russelli siamensis (Myanmar) venom.[ Methods]F V e-1 was purified by ion-exchange chromatography and gel filtration.The hemostatic activity of F V e-1 was determined based on chromogenic substrates.The fibrinogen-clotting activity of F V e-1 was also determined.Thermal stability, pH stability,enzyme activity,and inhibition of F V e- 1 were determined by its remaining procoagulant activity.N-treminal sequence was determined by the method of automated Edman degradation.[ Results ]F V e-1 was achieved by chromatography with a molecular weight of 13,808 and an isoelectric point of 4.6. The hemostatic activity of 0.5 mg Fve-1 was equal to that of 1.5625 u thrombin or that of 54.93 ng RVV X. F V e-1 primarily activated F X, but did not affect on prothrombin and fibrinogen. The suitable pH and temperature range of F V e-1 was 6.5-7.5 and 25-60 ℃,respectively.The activity of F V e-1 was enhanced by Ca2+ and inhibited by EDTA and DTT.The N-terminal sequence of F V e-1 was NH2-N-L-Y-Q-F-G-E-M-I-N.[Conclusion] F V e-1 is a factor X-activating enzyme,which could activate FX to FX a,but have minimal effect on prothrombin and fibrinogen.