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| 1 | Diffusion-weighted magnetic resonance imaging to predict response of hepatocellular carcinoma to chemoembolization显示文摘AIM: To investigate whether intra-procedural diffusion- weighted magnetic resonance imaging can predict response of hepatocellular carcinoma (HCC) during trans- catheter arterial chemoembolization (TACE). METHODS: Sixteen patients (15 male), aged 59 ±11 years (range: 42-81 years) underwent a total of 21 separate treatments for unresectable HCC in a hybrid magnetic resonance/interventional radiology suite. Ana- tomical imaging and diffusion-weighted imaging (b = 0, 500 s/mm2) were performed on a 1.5-T unit. Tumor enhancement and apparent diffusion coefficient (ADC, mm2/s) values were assessed immediately before and at 1 and 3 mo after TACE. We calculated the percent change (PC) in ADC values at all time points. We compared follow-up ADC values to baseline values using a paired t test (α = 0.05). RESULTS: The intra-procedural sensitivity, specificity, and positive and negative predictive values (%) for detecting a complete or partial 1-mo tumor response using ADC PC thresholds of ±5%, ±10%, and ±15% were 77, 67, 91, and 40; 54, 67, 88, and 25; and 46, 100, 100, and 30, respectively. There was no clear predictive value for the 3-mo follow-up. Compared to baseline, the immediate post-procedure and 1-mo mean ADC values both increased; the latter obtaining statistical significance (1.48 ± 0.29 mm2/s vs 1.65 ± 0.35 × 10-3 mm2/s, P < 0.014). CONCLUSION: Intra-procedural ADC changes of > 15% predicted 1-mo anatomical HCC response with the greatest accuracy, and can provide valuable feedback at the time of TACE. | Johnathan C Chung Neel K Naik Robert J Lewandowski Mary F Mulcahy Laura M Kulik Kent T Sato Robert K Ryu Riad Salem Andrew C Larson Reed A Omary | 2010 | World Journal of Gastroenterology2010，16，25： | 13 |
| 2 | Determinants of the impact of blood pressure variability on neurological outcome after acute ischaemic stroke显示文摘Introduction: Increased blood pressure variability (BPV) is detrimental after acute ischaemic stroke, but the interaction between BPV and neuroimaging factors that directly influence stroke outcome has not been explored. Methods: We retrospectively reviewed inpatients from 2007 to 2014 with acute anterior circulation ischaemic stroke, CT perfusion and angiography at hospital admission, and a modified Rankin Scale (MRS) 30- 365 days after stroke onset. BPV indices included SD, coefficient of variation and successive variation of the systolic blood pressure between 0 and 120 hours after admission. Ordinal logistic regression models were fitted to MRS with predictor variables of BPV indices. Models were further stratified by CT perfusion volumetric measurements, proximal vessel occlusion and collateral score. Results: 110 patients met the inclusion criteria. The likelihood of a 1-point rise in the MRS increased with every 10 mm Hg increase in BPV (OR for the 3 BPV indices ranged from 2.27 to 5.54), which was more pronounced in patients with larger ischaemic core volumes (OR 8.37 to 18.0) and larger hypoperfused volumes (OR 6.02 to 15.4). This association also held true for patients with larger mismatch volume, proximal vessel occlusion and good collateral vessels. Conclusions: These results indicate that increased BPV is associated with worse neurological outcome after stroke, particularly in patients with a large lesion core volume, concurrent viable ischaemic penumbra, proximal vessel occlusion and good collaterals. This subset of patients, who are often not candidates for or fail acute stroke therapies such as intravenous tissue plasminogen activator or endovascular thrombectomy, may benefit from interventions aimed at reducing BPV. | Adam de Havenon Alicia Bennett Gregory J Stoddard Gordon Smith Lee Chung Steve O’Donnell J Scott McNally David Tirschwell Jennifer J Majersik | 2017 | Stroke & Vascular Neurology2017，2，1： | 6 |
| 3 | Features of extrahepatic metastasis after radiofrequency ablation for hepatocellular carcinoma显示文摘BACKGROUND Extrahepatic metastasis(EHM)of hepatocellular carcinoma(HCC)is associated with poor outcomes.However,the clinical features and risk factors of EHM of HCC after radiofrequency ablation(RFA)remain unclear.AIM To elucidate the characteristics and risk factors of EHM after RFA for HCC.METHODS From January 2008 to December 2017,we retrospectively enrolled 661 patients who underwent RFA as first-line treatment for HCC at 2 tertiary hospitals.The inclusion criteria were age≥18 years,a diagnosis of HCC,and treatment-naivety.Abdominal computed tomography(CT)or magnetic resonance imaging(MRI)and alpha-fetoprotein measurements were routinely performed at 1 mo after RFA and followed-up at intervals of 3-6 mo.Univariate analyses were performed using the chi-squared test or Student’s t-test,and univariate and multivariate analyses were performed via logistic regression,as appropriate.RESULTS EHM was diagnosed in 44 patients(6.7%)during a median follow-up period of 1204 days.The 10-year cumulative rate of HCC recurrence and EHM was 92.7%and 33.7%,respectively.Initial recurrence was most often intrahepatic,and the rate of extrahepatic recurrence at initial recurrence was only 1.2%.The median time to the diagnosis of EHM was 2.68 years,and 68.2%of patients developed EHM within 2 years of the first recurrence,regardless of recurrence-free survival and 75.0%of patients developed EHM within 5 years after first recurrence.EHM was mostly diagnosed via abdominal CT/MRI in 33(75.0%)and 38 of 44 patients(86.4%)with EHM had either positive abdominal CT scan results or serum AFP level elevation.In multivariate analysis,recurrence-free survival<2 years,ablation zone/tumor size<2,and alpha-fetoprotein level>400 IU/mL were associated with a high EHM risk.CONCLUSION EHM occurs following multiple intrahepatic recurrences after RFA and combined contrast-enhanced abdominal CT and serum AFP were useful for surveillance.Patients especially with high-risk factors require close follow-up for EHM. | Jae H Yoon Young J Goo Chae-Jun Lim Sung K Choi Sung B Cho Sang S Shin Chung H Jun | 2020 | World Journal of Gastroenterology2020，26，32： | 3 |
| 4 | Staining for p53 and Ki-67 increases the sensitivity of EUS-FNA to detect pancreatic malignancy显示文摘AIM:To investigate whether tumor marker staining can improve the sensitivity of endoscopic ultrasound-guided fine needle aspiration(EUS-FNA)to diagnose pancreatic malignancy. METHODS:Patients who underwent EUS-FNA were retrospectively identified.Each EUS-FNA specimen was evaluated by routine cytology and stained for tumor markers p53,Ki-67,carcinoembryonic antigen(CEA) and CA19-9.Sensitivity,specificity,positive and negative predictive values(PPV and NPV),and positive and negative likelihood ratios(PLR and NLR)were calculated in order to evaluate the performance of each test to detect malignancy. RESULTS:Sixty-one specimens had complete sets of stains,yielding 49 and 12 specimens from pancreatic adenocarcinomas and benign pancreatic lesions due to pancreatitis,respectively.Cytology alone had sensitivity and specificity of 41%and 100%to detect malignancy, respectively.In 46%of the specimens,routine cytology alone was deemed indeterminate.The addition of either p53 or Ki-67 increased the sensitivity to 51%and 53%,respectively,with perfect specificity,PPV and PLR (100%,100%and infinite).Both stains in combination increased the sensitivity to 57%.While additional staining with CEA and CA19-9 further increased the sensitivity to 86%,the specificity,PPV and PLR were significantly reduced(at minimum 42%,84%and 1,respectively).Markers in all combinations performed poorly as a negative test(NPV 26%to 47%,and NLR 0.27 and 0.70).CONCLUSION:Immunohistochemical staining for p53 and Ki-67 can improve the sensitivity of EUS-FNA to diagnose pancreatic adenocarcinoma. | Alexander W Jahng Sonya Reicher David Chung Donna Varela Rahul Chhablani Anil Dev Binh Pham Jose Nieto Rose J Venegas Samuel W French Bruce E Stabile Viktor E Eysselein | 2010 | World Journal of Gastrointestinal Endoscopy2010，2，11： | 3 |
| 5 | 根治性切缘状态在接受完整结肠系膜切除术治疗的结肠癌患者中的预后价值显示文摘目的:与直肠癌的环周切缘(CRM)相比,根治性切缘(Ra?dial Margin)可能是结肠癌的潜在预后影响因素。目前尚无关于在完整结肠系膜切除术(CME)理念下探索根治性切缘对预后影响的研究。本研究旨在探索在CME治疗结肠癌前提下,根治性切缘状态对肿瘤结局的影响。方法:基于Severance医院的前瞻性结直肠癌登记系统数据,回顾性分析从2010年10月至2013年3月接受根治性切除的Ⅰ~Ⅲ期结肠癌患者资料。共834例接受CME的连续性结肠腺癌患者纳入本研究。根据根治性切缘距离将患者分为3组:A组,根治性切缘≥2 mm;B组,1 mm≤根治性切缘<2 mm;C组,根治性切缘<1 mm。比较各组的总生存期和无病生存期。 | 王枭杰 LEE J M CHUNG T KIM K M | 2020 | 结直肠肛门外科2020，26，2： | 3 |
| 6 | Hospital readmissions in decompensated cirrhotics: Factors pointing toward a prevention strategy显示文摘AIM To reduce readmissions and improve patient outcomes in cirrhotic patients through better understanding of readmission predictors.METHODS We performed a single-center retrospective study of patients admitted with decompensated cirrhosis from January 1, 2011 to December 31, 2013(n = 222). Primary outcomes were time to first readmission and 30-d readmission rate due to complications of cirrhosis. Clinical and demographic data were collected to help describe predictors of readmission, along with care coordination measures such as post-discharge status and outpatient follow-up. Univariate and multivariateanalyses were performed to describe variables associated with readmission.RESULTS One hundred thirty-two patients(59.4%) were readmitted at least once during the study period. Median time to first and second readmissions were 54 and 93 d, respectively. Thirty and 90-d readmission rates were 20.7 and 30.1 percent, respectively. Predictors of 30-d readmission included education level, hepatic encephalopathy at index, ALT more than upper normal limit and Medicare coverage. There were no statistically significant differences in readmission rates when stratified by discharge disposition, outpatient follow-up provider or time to first outpatient visit.CONCLUSION Readmissions are challenging aspect of care for cirrhotic patients and risk continues beyond 30 d. More initiatives are needed to develop enhanced, longitudinal post-discharge systems. | Siamak M Seraj Emily J Campbell Sarah K Argyropoulos Kara Wegermann Raymond T Chung James M Richter | 2017 | World Journal of Gastroenterology2017，23，37： | 3 |
| 7 | Superplasticity in Thin Magnesium Alloy Sheet and Detormation Mechanism Maps for Magnesium Alloys at Elevated Temperatures显示文摘 | Kim W J Chung S W Kum D | 2001 | Acta Mater2001，，49： | 2 |
| 8 | Bleeding Dieulafoy's lesions and the choice of endoscopic method: comparing the hemostatic efficacy of mechanical and injection methods显示文摘 | Chung IK Kim E J Lee MS | 2000 | Gastrointest Endosc2000，52，6： | 2 |
| 9 | A newsboy problem with reactive production 显示文摘 | Chung C S Flynn J | 2001 | Computers & Operations Research2001，28，： | 2 |
| 10 | Cisplatin ototoxicity involves cytokines and STAT6 signaling network显示文摘我们此处调查了在支持 inflammatory cytokines 和 cisplatin ototoxicity 的生产表明串联的 STAT 的角色。cisplatin 注射引起的一个重要听觉缺陷在 Balb/c 被观察(野类型, WT ) 并且 STAT4 −/−, 然而并非在 STAT6 −/− 老鼠。而且,蛋白质的表示层次和支持 inflammatory cytokines 的 mRNA,包括 TNF-α, IL-1β,并且 IL-6,显著地在 WT 和 STAT4 −/−, 然而并非 STAT6 −/− 老鼠的浆液和蜗被增加。Organotypic 文化表明 stereocilia 捆的形状和在从 STAT6 −/− 鼠标的 Corti 的机关的感觉毛细胞层的数组在有 cisplatin 的处理以后是未经触动的,而那些高度在处理以后从 WT 和 STAT4 −/− 鼠标被弄歪并且弄乱。Cisplatin 在 HEI-OC1 听觉的房间导致了 STAT6 的 phosphorylation,并且由显著地保护的 STAT6 特定的 siRNA 的 STAT6 击倒从导致 cisplatin 的房间死亡的 HEI-OC1 听觉的房间和禁止的支持 inflammatory cytokine 生产。我们进一步证明 cisplatin 导致的 IL-4 和 IL-13 与 IL-4 受体 alpha 和 IL-13Rα 由绑定调制了 STAT6 的 phosphorylation; 1。这些调查结果建议发信号的 STAT6 在调停 cisplatin 的支持 inflammatory cytokine 生产和 ototoxicity 起一个枢轴的作用。 | Hyung-Jin Kim Gi-Su Oh Jeong-Han Lee Ah-Ra Lyu Hye-Min Ji Sang-Heon Lee Jeho Song Sung-Joo Park Yong-Ouk You Jeong-Dug Sul Channy Park Sang-Young Chung Sung-Kyun Moon David J Lim Hong-Seob So Raekil Park | 2011 | Cell Research2011，21，6： | 2 |
| 11 | Viral clearance without destruction of infected cells during acute HBV infection显示文摘 | Guidotti LG Rochford R Chung J | 1999 | Science1999，284，5415： | 2 |
| 12 | Increase in sphingolipid catabolic enzyme activity during aging显示文摘 | Santosh J SACKET Hae-young CHUNG Fumikazu OKAJIMA Dong-soon IM | 2009 | Acta Pharmacologica Sinica2009，30，10： | 2 |
| 13 | Hydrodynamic injection of viral DNA:a mouse model of acute hepatitis B virus infection显示文摘 | Yang PL Althage A Chung J | 2002 | Proc Natl Acad Sci USA2002，99，13： | 2 |
| 14 | Thermo-responsive drugdelivery from polymeric micelles constructed block copolymers of Poly( N -isoproplylacryl amide) and Poly(butylmethacrylate)显示文摘 | Chung J E Yokoyama M Yamato M | 1999 | J Control Release1999，62，： | 2 |
| 15 | Poly (butylene terephthalate)/silica nanocomposites prepared from cyclic butylene terephthalate显示文摘 | Zhenyu Jiang Suchart Siengchin Li-Min Zhou Markus Steeg József Karger-Kocsis Hau Chung Man | 2008 | Composites Part A2008，，3： | 2 |
| 16 | Susceptibility weighted imaging (SWI)显示文摘 | E. MarkHaacke YingbiaoXu Yu‐Chung N.Cheng Jürgen R.Reichenbach | 2004 | Magn Reson Med2004，，3： | 2 |
| 17 | Risk of colonoscopic polypectomy bleeding with anticoagulants and antiplatelet agents: analysis of 1657 cases显示文摘 | Aric J Hui Ronald M.Y Wong Jessica Y.L Ching Lawrence C.T Hung S.C Sydney Chung Joseph J.Y Sung | 2004 | Gastrointestinal Endoscopy2004，，1： | 2 |
| 18 | Gas separation performance of poly ( 4-vinylpyridine )/ polyetherimide composite hollow fibers 显示文摘 | SHIEH J J CHUNG T S WANG Rong | 2001 | Journal of Membrane Science2001，，182： | 1 |
| 19 | Initial cation stoichiometry and current-voltage behavior in Sc-doped calcium copper titanate 显示文摘 | CHUNG S Y LEE S I CHOI J H | 2006 | Appl Phys Lett2006，89，19： | 1 |
| 20 | Analysis of sum-product decoding of low-density parity-check codes using a Gaussian approximation 显示文摘 | CHUNG S Y RICHARDSON T J URBANKE R L | 2001 | IEEE Transaction on Information Theory2001，47，2： | 1 |
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