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| 1 | Necessity and indications of invasive treatment for Budd-Chiari syndrome显示文摘BACKGROUND:The development of collaterals in Budd-Chiari syndrome has been described and these collaterals play an important role in the presentation of this disease.These collaterals are diagnostic and their use in management strategy has never been evaluated.This study aimed to investigate the indications,feasibility and necessity of invasive treatment for patients with Budd-Chiari syndrome and to determine whether such a strategy is necessary for optimal management.METHODS:Twenty-nine patients who had been treated at our unit were enrolled in this study.Based on physical and biochemical examination,and hemodynamic compensation by collaterals,18 patients underwent radiological intervention (group A),while the other 11 had no invasive treatment (group B).The related hemodynamic parameters were acquired when percutaneous angiography was performed.RESULTS:In group A,all patients underwent successfully inferior vena cava (IVC) balloon angioplasty with or without stenting.Four patients also underwent hepatic vein angioplasty.In these patients,the mean IVC pressure before and after treatment was statistically different (29.3±9.2 vs 15.1±4.6 mmHg,P<0.01).The mean IVC pressure was much lower in group B than in group A (12.9±2.4 vs 29.3±9.2 mmHg,P<0.01),but there was no difference from that of the patients after radiological treatment (12.9±2.4 vs 15.1±4.6 mmHg,P>0.05).Median follow-up was 32.3 months (mean 21.3 months;range 3-61 months).In the course of follow-up,the patients in group A survived with good systemic status except for re-stenosis in one patient who underwent re-canalization of the IVC.In group B,10 patients had good systemic status except one patient who had a meso-caval shunt because of deterioration.CONCLUSIONS:The rationale of 'early diagnosis and early treatment' is not suitable for all patients with Budd-Chiari syndrome.Satisfactory survival can be achieved in some patients without invasive treatment,who are completely compensated by rich collaterals.Nonetheless,a positive treatment procedure should be performed if the patient's situation worsens in the course of regular follow-up. | Department of General Surgery (Fu Y,Sun YL,Ma XX,Xu PQ,Feng LS,Tang Z and Luo CH),Institute of Hepatic Vascular Disease (Sun YL),Department of Radiological Intervention (Guan S and Wang ZW),First Affiliated Hospital,Zhengzhou University School of Medicine,Zhengzhou 450052,China | 2011 | Hepatobiliary & Pancreatic Diseases International2011，10，3： | 10 |
| 2 | BOUNDARY ELEMENT APPROXIMATION OF STEKLOV EIGENVALUE PROBLEM FOR HELMHOLTZ EQUATION显示文摘Steklov eigenvalue problem of Helmholtz equation is considered in the present paper. Steklov eigenvalue problem is reduced to a new variational formula on the boundary of a given domain, in which the self-adjoint property of the original differential operator is kept and the calculating of hyper-singular integral is avoided. A numerical example showing the efficiency of this method and an optimal error estimate are given. | Tang, WJ Guan, Z Han, HD | 1998 | Journal of Computational Mathematics1998，16，2： | 5 |
| 3 | Oxygen and Nitrogen Effects on MC Carbide in K465 Nickel-Base Superalloy显示文摘Effects of oxygen and nitrogen on MC carbide in nickel-base superalloy K465 were investigated, because neither of the two gas elements was found to decide MC carbide morphology monotonically. The morphology of MC carbide under alloy solidified in conventional investment casting condition was observed to transform from script-type to block-type with the total oxygen and nitrogen content (gas content) in samples rising up from 1.2×10-6 mol/g to 2.6×10-6 mol/g. The area fraction and composition of the MC carbide also varied with increase of gas content. However, the morphology of MC carbide kept to be script-type even when gas content was up to 3.4×10-6 mol/g in samples solidified with a much higher cooling rate. These results indicate that effects of gas content on formation of MC carbide can be observed in specimens solidified with low cooling rate, but such changes in MC carbide cannot be found when the cooling rate is high. | Wang L N Zheng Q Sun X F Guan H R Hu Z Q | 2009 | 稀有金属材料与工程2009，38，A03： | 4 |
| 4 | Surface Treatment of Aluminum by High Current Pulsed Electron Beam 显示文摘 | Hao S Z Yao S Guan J | 2001 | Current Applied Physics2001，1，23： | 1 |
| 5 | A novel anti-inflammatory role for andrographolide in asthma via inhibition of the nuclear factor-kappaB pathway 显示文摘 | Bao Z Guan S Chenq C | 2009 | Am J Respir Crit Care Med2009，179，： | 1 |
| 6 | A Multi-step approach for efficient reverse-time migration 显示文摘 | Guan H Li Z Wang B | 2008 | Expanded Abstracts of 78^th Annual Internat SEG Mtg2008，，： | 1 |
| 7 | Upgrading petroleum residue by two-stage hydrocracking显示文摘 | GUAN C WANG Z QUE G | 2003 | Fuel Processing Technology2003，85，23： | 1 |
| 8 | A two-pole 900/ 1800-MHz microstrip filter for dual-band applications显示文摘 | GUAN X MA Z CAI P | 2006 | Micowave Opt Tech Lett2006，48，7： | 1 |
| 9 | Examination of the indentation size effect in low-load vickers hardness testing of ceramics显示文摘 | GONG J H WU J J GUAN Z D | 1999 | Journal of the European Ceramic Society1999，19，15： | 1 |
| 10 | Reinforcement mechanics of passive bolts in conventional tunneling显示文摘 | GUAN Z C JIANG Y J TANABASI YOSHIHIKO | 2007 | International Journal of Rock Mechanics & Mining Sciences2007，44，4： | 1 |
| 11 | Superior efficacy of a Cremophor-fiee albumin-bound paclitaxel compared with solvent-based paclitaxel in Chinese patients with metastatic breast cancer显示文摘 | GUAN Z Z LI Q L FENG F Y | 2009 | Asian Pac J Clia Oncol2009，5，3： | 1 |
| 12 | Homogeneous free radical polymerizations in supercritical carbon dioxide 2:thermal decomposition of 2,2′-azobis(isobutyronitrile)显示文摘 | Guan Zhibin Combes J R Menceloglu Y Z | 1993 | Macromolecules1993，26，11： | 1 |
| 13 | 1,3-diarylcycloalkanopyrazoles and diphenyl hydrazides as selective inhibitors of cyclooxygenase-2显示文摘 | Sui Z Guan J Michael P F | 2000 | Bioorg Med Chem Lett2000，10，6： | 1 |
| 14 | Photocatalytic degradation of methylene blue by a combination of TiO2 and actived carbon fibers显示文摘 | YU R S GUAN R B SHEN W Z | 2005 | Journal of Colloid and Interface Science2005，282，1： | 1 |
| 15 | Effect of enamel coating on oxidation and hot corrosion resistance of Ti-24Al-14Nb-3V显示文摘 | GUAN C H TANG Z L WANG F H WU W T | 2000 | Chinese J Mater Res2000，14，： | 1 |
| 16 | Mas-related G-protein-coupled receptors inhibit pathological pain in mice显示文摘 | Guan Y Liu Q Tang Z | 2010 | Proc Natl Acad Sci U S A2010，107，15： | 1 |
| 17 | Flow resistance and heat transfer characteristics in micro-cylinders-group显示文摘 | Liu Z G Wang Z L Zhang C W Guan N Jiang G L | | 0，，05： | 1 |
| 18 | Identification of New Delhi metallo-J3-1actamase gene (NDM-1) from a clini- cal isolate of Acinetobacter junii in China显示文摘 | Zhou Z Guan R Yang Y | 2012 | Can J Microbio12012，58，1： | 1 |
| 19 | Critical roles of p53 in epithelial-mesenchymal transition and metastasis of hepatocellular carcinomacells显示文摘 | Wang Z Jiang Y Guan D | 2014 | PLoS One2014，8，72： | 1 |
| 20 | Association between a rare novel TP53 variant (rs78378222) and melanoma, squamous cell carcinoma of head and neck and lung cancer susceptibility in non-Hispanic Whites显示文摘 | Guan X Wang LE Liu Z | 2013 | J Cell Mol Med2013，17，7： | 1 |
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