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1Effect of nutritional counselling on hepatic,muscle and adipose tissue fat content and distribution in non-alcoholic fatty liver disease显示文摘AIM: To assess the effectiveness of the current UK clinical practice in reducing hepatic fat (IHCL). METHODS: Whole body MRI and 1H MRS were obtained, before and after 6 mo nutritional counselling, from liver, soleus and tibialis muscles in 10 subjects with non-alcoholic fatty liver disease (NAFLD). RESULTS: A 500 Kcal-restricted diet resulted in an average weight loss of 4% (-3.4 kg,) accompanied by significant reductions in most adipose tissue (AT) depots, including subcutaneous (-9.9%), abdominal subcutaneous (-10.2%) and intra-abdominal-AT (-11.4%). Intramyocellular lipids (IMCL) were significantly reduced in the tibialis muscle (-28.2%). Decreases in both IHCL (-39.9%) and soleus IMCL (-12.2%) content were also observed, although these were not significant. Several individuals showed dramatic decreases in IHCL, while others paradoxically showed increases in IHCL content. Changes in body composition were accompanied by improvements in certain liver function tests: serum aspartate aminotransferase (AST) and alanine aminotransferase (ALT). Significant correlations were found between decreases in IHCL and reductions in both intra-abdominal and abdominal subcutaneous AT. Improvements in liver function tests were associated with reductions in intra-abdominal AT, but not with changes in IHCL. CONCLUSION: This study shows that even a very modest reduction in body weight achieved through lifestyle modification can result in changes in body fat depots and improvements in LFTs.E Louise Thomas Audrey E Brynes Gavin Hamilton Nayna Patel Adam Spong Robert D Goldin Gary Frost Jimmy D Bell Simon D Taylor-Robinson 2006World Journal of Gastroenterology2006,12,36:13
2Surgical treatment for liver cancer显示文摘Primary liver cancer is amongst the commonest tumors worldwide,particularly in parts of the developing world,and is increasing in incidence. Over the past three decades,surgical hepatic resection has evolved from a high risk,resource intensive procedure with limited application,to a safe and commonly performed operation with a range of indications. This article reviews the approach to surgical resection for malignancies such as hepatocellular cancer,metastatic liver de-posits and neuroendocrine tumors. Survival data after resection is also reviewed,as well as indications for curative resection.Nicole C Tsim Adam E Frampton Nagy A Habib Long R Jiao 2010World Journal of Gastroenterology2010,16,8:12
3应用组织型纤溶酶原激活物行静脉溶栓治疗急性缺血性卒中的时间窗延长——美国心脏协会/美国卒中协会的科学建议显示文摘美国心脏协会卒中委员会发布了关于急性缺血性卒中的现行治疗指南,其中包括应用重组组织型纤溶酶原激活物(rt—PA)行静脉溶栓的建议。尽管该药对改善神经功能预后有一定的疗效,但由于患者通常在发病3h后方能到达医院,往往已经超过了用药的时间窗。因此,大部分缺血性卒中患者未能接受rt—PA治疗。目前研究认为,增加rt—PA治疗例数的最可能方法就是延长治疗时间窗。del Zoppo G J Saver J L Jauch E C Adams H P Jr. 2009中国脑血管病杂志2009,6,8:8
4Association between calcium sensing receptor gene polymorphisms and chronic pancreatitis in a US population:Role of serine protease inhibitor Kazal 1type and alcohol显示文摘AIM: To test the hypothesis that calcium sensing receptor (CASR) polymorphisms are associated with chronic pancreatitis (CP), and to determine whether serine protease inhibitor Kazal 1type (SPINK1) N34S oralcohol are necessary co-factors in its etiology. METHODS: Initially, 115 subjects with pancreatitis and 66 controls were evaluated, of whom 57 patients and 21 controls were predetermined to carry the high-risk SPINK1 N34S polymorphism. We sequenced CASR gene exons 2, 3, 4, 5 and 7, areas containing the majority of reported polymorphisms and novel mutations. Based on the initial results, we added 223 patients and 239 controls to analyze three common nonsynonymous single nucleotide polymorphisms (SNPs) in exon 7 (A986S, R990G, and Q1011E). RESULTS: The CASR exon 7 R990G polymorphism was signifi cantly associated with CP (OR, 2.01; 95% CI, 1.12-3.59; P = 0.015). The association between CASR R990G and CP was stronger in subjects who reported moderate or heavy alcohol consumption (OR, 3.12; 95% CI, 1.14-9.13; P = 0.018). There was no association between the various CASR genotypes and SPINK1 N34S in pancreatitis. None of the novel CASR polymorphisms reported from Germany and India was detected. CONCLUSION: Our United States-based study confirmed an association of CASR and CP and for the first time demonstrated that CASR R990G is a signifi cant risk factor for CP. We also conclude that the risk of CP with CASR R990G is increased in subjects with moderate to heavy alcohol consumption.Venkata Muddana Janette Lamb Julia B Greer Beth Elinoff Robert H Hawes Peter B Cotton Michelle A Anderson Randall E Brand Adam Slivka David C Whitcomb 2008World Journal of Gastroenterology2008,14,28:7
5Randomized trial in malignant biliary obstruction:Plastic vs partially covered metal stents显示文摘AIM:To compare efficacy and complications of par-tially covered self-expandable metal stent(pcSEMS)to plastic stent(PS)in patients treated for malignant,infrahilar biliary obstruction.METHODS:Multicenter prospective randomized clinical trial with treatment allocation to a pcWallstent(SEMS)or a 10 French PS.Palliative patients aged≥18,for infrahilar malignant biliary obstruction and a Karnofsky performance scale index>60%from 6 participating North American university centers.Primary endpoint was time to stent failure,with secondary outcomes of death,adverse events,Karnofsky performance score and short-form-36 scale administered on a three-monthly basis for up to 2 years.Survival analyses were performed for stent failure and death,with Cox proportional hazards regression models to determine significant predictive characteristics.RESULTS:Eighty-five patients were accrued over 37mo,42 were randomized to the SEMS group and 83patients were available for analyses.Time to stent failure was 385.3±52.5 d in the SEMS and 153.3±19.8 d in the PS group,P=0.006.Time to death did not differ between groups(192.3±23.4 d for SEMS vs211.5±28.0 d for PS,P=0.70).The only significant predictor was treatment allocation,relating to the time to stent failure(P=0.01).Amongst other measured outcomes,only cholangitis differed,being more common in the PS group(4.9%vs 24.5%,P=0.029).The small number of patients in follow-up limits longitudinal assessments of performance and quality of life.From an initially planned 120 patients,only 85 patients were recruited.CONCLUSION:Partially covered SEMS result in a longer duration till stent failure without increased complication rates,yet without accompanying measurable benefits in survival,performance,or quality of life.Peter L Moses Khalid M AlNaamani Alan N Barkun Stuart R Gordon Roger D Mitty M Stanley Branch Thomas E Kowalski Myriam Martel Viviane Adam 2013World Journal of Gastroenterology2013,19,46:6
6Predicting survival after liver transplantation in patients with hepatocellular carcinoma beyond the Milan criteria: a retrospective, exploratory analysis显示文摘Vincenzo Mazzaferro Josep M Llovet Rosalba Miceli Sherrie Bhoori Marcello Schiavo Luigi Mariani Tiziana Camerini Sasan Roayaie Myron E Schwartz Gian Luca Grazi René Adam Peter Neuhaus Mauro Salizzoni Jordi Bruix Alejandro Forner Luciano De Carlis Umberto 2009Lancet Oncology2009,,1:4
7Characterisation and seasonal variations of particles in the atmosphere of rural, urban and industrial areas:Organic compounds显示文摘Atmospheric aerosol samples(PM_(2.5–0.3), i.e., atmospheric particles ranging from 0.3 to2.5 μm) were collected during two periods: spring–summer 2008 and autumn–winter 2008–2009, using high volume samplers equipped with cascade impactors. Two sites located in the Northern France were compared in this study: a highly industrialised city(Dunkirk) and a rural site(Rubrouck). Physicochemical analysis of particulate matter(PM) was undertaken to propose parameters that could be used to distinguish the various sources and to exhibit seasonal variations but also to provide knowledge of chemical element composition for the interpretation of future toxicological studies. The study showed that PM2.5–0.3concentration in the atmosphere of the rural area remains stable along the year and was significantly lower than in the urban or industrial ones, for which concentrations increase during winter.High concentrations of polycyclic aromatic hydrocarbons(PAHs), dioxins, furans and dioxin like polychlorinated biphenyls(DL-PCBs), generated by industrial activities, traffic and municipal wastes incineration were detected in the samples. Specific criteria like Carbon Preference Index(CPI) and Combustion PAHs/Total PAHs ratio(CPAHs/TPAHs) were used to identify the possible sources of atmospheric pollution. They revealed that paraffins are mainly emitted by biogenic sources in spring–summer whereas as in the case of PAHs, they have numerous anthropogenic emission sources in autumn-winter(mainly from traffic and domestic heating).Fabrice Cazier Paul Genevray Dorothée Dewaele Habiba Nouali Anthony Verdin Frédéric Ledoux Adam Hachimi Lucie Courcot Sylvain Billet Saad Bouhsina Pirouz Shirali Guillaume Garcon Dominique Courcot 2016Journal of Environmental Sciences2016,28,6:4
8Reproducibility of thrombus volume quantification in multicenter computed tomography pulmonary angiography studies显示文摘AIM To evaluate reproducibility of pulmonary embolism(PE) clot volume quantification using computed tomography pulmonary angiogram(CTPA) in a multicenter setting.METHODS This study was performed using anonymized data in conformance with HIPAA and IRB Regulations(March 2015-November 2016). Anonymized CTPA data was acquired from 23 scanners from 18 imaging centers using each site's standard PE protocol. Two independent analysts measured PE volumes using a semi-automated region-growing algorithm on an FDA-approved image analysis platform. Total thrombus volume(TTV) was calculated per patient as the primary endpoint. Secondary endpoints were individual thrombus volume(ITV), Qanadli score and modified Qanadli score per patient. Inter-and intra-observer reproducibility were assessed using intra-class correlation coefficient(ICC) and BlandAltman analysis. RESULTS Analyst 1 found 72 emboli in the 23 patients with a mean number of emboli of 3.13 per patient with a range of 0-11 emboli per patient. The clot volumes ranged from 0.0041-47.34 cm3(mean +/-SD, 5.93 +/-10.15 cm3). On the second read, analyst 1 found the same number and distribution of emboli with a range of volumes for read 2 from 0.0041 – 45.52 cm3(mean +/-SD, 5.42 +/-9.53 cm3). Analyst 2 found 73 emboli in the 23 patients with a mean number of emboli of 3.17 per patient with a range of 0-11 emboli per patient. The clot volumes ranged from 0.00459-46.29 cm3(mean +/-SD, 5.91 +/-10.06 cm3). Inter-and intraobserver variability measurements indicated excellent reproducibility of the semi-automated method for quantifying PE volume burden. ICC for all endpoints was greater than 0.95 for inter-and intra-observer analysis. Bland-Altman analysis indicated no significant biases.CONCLUSION Semi-automated region growing algorithm for quantifying PE is reproducible using data from multiple scanners and is a suitable method for image analysis in multicenter clinical trials.Audrey E Kaufman Alison N Pruzan Ching Hsu Sarayu Ramachandran Adam Jacobi Indravadan Patel Lee Schwocho Michele F Mercuri Zahi A Fayad Venkatesh Mani 2018World Journal of Radiology2018,10,10:3
9Women in the boardroom and their impact on governance and performance显示文摘Renée B. Adams Daniel Ferreira 2009Journal of Financial Economics2009,,2:3
10肝细胞肝癌和肝硬化组织中的卵圆细胞:电镜与免疫电镜研究显示文摘目的 从电镜和免疫电镜水平 ,探讨人类肝癌和肝硬化肝组织存在如动物肝癌形成实验中的卵圆细胞的可能性。方法 对 10例人肝细胞肝癌的手术标本及其癌旁肝硬化组织作了电镜超微结构观察 ,并用胆管上皮分化抗体CK7和肝细胞分化抗体白蛋白对以上组织作超薄切片免疫电镜标记。结果 电镜下 ,所有肝癌(10例 )和肝硬化 (10例 )组织均可找到与我们在人肝母细胞瘤、胆道闭锁肝中所见的三型小上皮细胞。这类细胞卵圆形 ,位于肝癌肿瘤边缘和增生的胆小管内 ,在肝硬化组织则位于汇管区及再生的肝结节内。免疫电镜下 ,三型卵圆细胞均表达CK7和白蛋白 ,但Ⅰ型和Ⅱ型表达CK7多些 ,Ⅲ型表达白蛋白多些。结论 人肝细胞肝癌和肝硬化肝组织中存在卵圆细胞 ,其形态和免疫表型特点与动物致癌模型肝中卵圆细胞一致。肖家诚 金晓龙 曾晓颖 Ruck P Adam A Kaiserling E 2004检验医学2004,19,1:3
11Dangerous dietary supplements: Garcinia cambogia-associated hepatic failure requiring transplantation显示文摘Commercial dietary supplements are marketed as a panacea for the morbidly obese seeking sustainable weight-loss. Unfortunately, many claims cited by supplements are unsupported and inadequately regulated. Most concerning, how ever, are the associated harmful side effects, often unrecognized by consumers. Garcinia cambogia extract and Garcinia cambogia containing products are some of the most popular dietary supplements currently marketed for weight loss. Here, we report the first known case of fulminant hepatic failure associated with this dietary supplement. One active ingredient in this supplement is hydroxycitric acid, an active ingredient also found in weight-loss supplements banned by the Food and Drug Administration in 2009 for hepatotoxicity. Heightened awareness of the dangers of dietary supplements such as Garcinia cambogia is imperative to prevent hepatoxicity and potential fulminant hepatic failure in additional patients.Keri E Lunsford Adam S Bodzin Diego C Reino Hanlin L Wang Ronald W Busuttil 2016World Journal of Gastroenterology2016,22,45:3
12Effect of varying computed tomography acquisition and reconstruction parameters on semi-automated clot volume quantification显示文摘AIM To examine effects of computed tomography(CT)image acquisition/reconstruction parameters on clot volume quantification in vitro for research method validation purposes.METHODS This study was performed in conformance with HIPAA and IRB Regulations(March 2015-November 2016).A ten blood clot phantom was designed and scanned on a dual-energy CT scanner(SOMATOM Force,Siemens Healthcare Gm BH,Erlangen,Germany)with varying pitch,iterative reconstruction,energy level and slicethickness.A range of clot and tube sizes were used in an attempt to replicate in vivo emboli found within central and segmental branches of the pulmonary arteries in patients with pulmonary emboli.Clot volume was the measured parameter and was analyzed by a single image analyst using a semi-automated region growing algorithm implemented in the FDA-approved Siemens syngo.via image analysis platform.Mixed model analysis was performed on the data.RESULTS On the acquisition side,the continuous factor of energy showed no statistically significant effect on absolute clot volume quantification(P=0.9898).On the other hand,when considering the fixed factor of pitch,there were statistically significant differences in clot volume quantification(P<0.0001).On the reconstruction side,with the continuous factor of reconstruction slice thickness no statistically significant effect on absolute clot volume quantification was demonstrated(P=0.4500).Also on the reconstruction side,with the fixed factor of using iterative reconstructions there was also no statistically significant effect on absolute clot volume quantification(P=0.3011).In addition,there was excellent R^2 correlation between the scale-measured mass of the clots both with respect to the CT measured volumes and with respect to volumes measure by the water displacement method.CONCLUSION Aside from varying pitch,changing CT acquisition parameters and using iterative reconstructions had no significant impact on clot volume quantification with a semi-automated region growing algorithm.Audrey E Kaufman Alison N Pruzan Ching Hsu Sarayu Ramachandran Adam Jacobi Zahi A Fayad Venkatesh Mani 2018World Journal of Radiology2018,10,3:3
13肝硬化组织中卵圆细胞的光镜、电镜与免疫电镜观察显示文摘目的 :探讨人肝硬化肝组织是否存在卵圆细胞。方法 :对 30例人肝细胞肝癌手术标本的癌旁肝硬化组织行常规组织学观察 ,并用胆管上皮分化标记CK7和肝细胞分化标记白蛋白对以上组织作免疫组化染色 ,同时对其中 10例作了超微结构观察 ,5例作免疫电镜标记和观察。另外对 5例正常肝脏和 5例肝炎后肝硬化组织同时作了光镜、免疫组化和电镜观察 ,对 2例肝炎后肝硬化作了免疫电镜标记和观察。结果 :癌旁肝硬化组织的 30例光镜和 10例电镜观察以及 5例肝炎肝硬化光、电镜观察 ,均可在再生的肝细胞结节边缘见到散在的小细胞和增生的小胆管样结构。这些小细胞和增生的小胆管内少数小细胞 ,为卵圆形 ,体积较小 ,核大 ,胞质少 ,胞质内含较多的游离核糖体 ,仅含少量粗面内质网和线粒体 ,胞质内可见张力微丝结构 ,这类细胞与邻近细胞间均有细胞间连接。免疫电镜示 ,卵圆细胞均表达CK7和白蛋白 ,但有些细胞内表达CK7多些 ,有些细胞则表达白蛋白多些。在正常肝组织内未见到类似细胞。结论 :与动物实验性肝癌模型肝组织一样 ,人类肝硬化肝组织中也存在同样细胞形态和免疫表型特点的卵圆细胞。肖家诚 王天翔 Ruck P Adam A Kaiserling E 2002临床与实验病理学杂志2002,18,1:3
14Colorectal cancer biomarkers: To be or not to be? Cautionary tales from a road well travelled显示文摘Colorectal cancer(CRC)is the second most common cause of cancer-related death worldwide and places a major economic burden on the global health care system.The time frame for development from premalignant to malignant disease typically spans 10-15 years,and this latent period provides an ideal opportunity for early detection and intervention to improve patient outcomes.Currently,early diagnosis of CRC is hampered by a lack of suitable non-invasive biomarkers that are clinically or economically acceptable for populationbased screening.New blood-based protein biomarkers for early detection of CRC are therefore urgently required.The success of clinical biomarker discovery and validation studies is critically dependent on understanding and adjusting for potential experimental,analytical,and biological factors that can interfere with the robust interpretation of results.In this review we outline some important considerations for research groups undertaking biomarker research with exemplars from our studies.Implementation of experimental strategies to minimise the potential effects of these problems will facilitate the identification of panels of biomarkers with the sensitivity and specificity required for the development of successful tests for the early detection and surveillance of CRC.Kim YC Fung Edouard Nice Ilka Priebe Damien Belobrajdic Aloke Phatak Leanne Purins Bruce Tabor Celine Pompeia Trevor Lockett Timothy E Adams Antony Burgess Leah Cosgrove 2014World Journal of Gastroenterology2014,20,4:2
15The Stroke Outcomes and Neuroimaging of Intracranial Atherosclerosis (SONIA) Trial显示文摘E Feldmann J L. Wilterdink A Kosinski M Lynn M I. Chimowitz J Sarafin H H. Smith F Nichols J Rogg H J. Cloft L Wechsler J Saver S R. Levine C Tegeler R Adams M Sloan 2007Neurology2007,,24:2
16Impaired swallowing mechanics of post radiation therapy head and neck cancer patients: A retrospective videofluoroscopic study显示文摘AIM: To determine swallowing outcomes and hyolaryngeal mechanics associated with post radiation therapy head and neck cancer(rt HNC) patients using videofluoroscopic swallow studies. METHODS: In this retrospective cohort study, video-fluoroscopic images of rt HNC patients(n = 21) were compared with age and gender matched controls(n = 21). Penetration-aspiration of the bolus and bolus residue were measured as swallowing outcome variables. Timing and displacement measurements of the anterior and posterior muscular slings elevating the hyolaryngeal complex were acquired. Coordinate data of anatomical landmarks mapping the action of the anterior muscles(suprahyoid muscles) and posterior muscles(long pharyngeal muscles) were used to calculate the distance measurements, and slice numbers were used to calculate time intervals. Canonical variate analysis with post-hoc discriminant function analysis was performed on coordinate data to determine multivariate mechanics of swallowing associated with treatment. Pharyngeal constriction ratio(PCR) was also measured to determine if weak pharyngeal constriction is associated with post radiation therapy.RESULTS: The rt HNC group was characterized by poor swallowing outcomes compared to the control group in regards to: Penetration-aspiration scale(P < 0.0001), normalized residue ratio scale(NRRS) for the valleculae(P = 0.002) and NRRS for the piriform sinuses(P = 0.003). Timing and distance measurements of the anterior muscular sling were not significantly different in the two groups, whereas for the PMS time of displacement was abbreviated(P = 0.002) and distance of excursion was reduced(P = 0.02) in the rt HNC group. A canonical variate analysis shows a significant reduction in pharyngeal mechanics in the rt HNC group(P < 0.0001). The PCR was significantly higher in the test group than the control group(P = 0.0001) indicating reduced efficiency in pharyngeal clearance. CONCLUSION: Using videofluoroscopy, this study shows rt HNC patients have worse swallowing outcomes associated with reduced hyolaryngeal mechanics and pharyngeal constriction compared with controls.William G Pearson Jr Alisa A Davidoff Zachary M Smith Dorothy E Adams Susan E Langmore 2016World Journal of Radiology2016,8,2:2
17Whole brain radiation therapy with or without stereotactic radiosurgery boost for patients with one to three brain metastases: phase III results of the RTOG 9508 randomised trial显示文摘David W Andrews Charles B Scott Paul W Sperduto Adam E Flanders Laurie E Gaspar Michael C Schell Maria Werner-Wasik William Demas Janice Ryu Jean-Paul Bahary Luis Souhami Marvin Rotman Minesh P Mehta Walter J Curran 2004The Lancet . 2004 (9422)2004,,9422:2
18Principal component analysis of dissolution data with missing elements显示文摘Adams E Walczak B Vervaet C Risha P G Massart D L 1997Chemometrics and intelligent aboratory systems1997,,32:2
19Blue-on-yellow perimetry can predict the development of glaucomatous visual field loss 显示文摘Johnson CA Adams A J Gasson E J 1993ArchOphthalmol1993,111,:2
20Five-year survival following hepatic resection after neoadjuvant therapy for nonresectable colorectal显示文摘Adam R Avisar E Ariche A Annals of Surgical Oncology0,,:2
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