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1Report of an international workshop to standardize baseline evaluation and response criteria for primary CNS lymphoma.显示文摘Abrey LE Batchelor TT Ferreri A J Gospodarowicz M Pulczynski EJ Zucca E Smith JR Korfel A Soussain C DeAngelis LM Neuwelt EA O′Neill BP Thiel E Shenkier T Graus F van den Bent M Seymour JF Poortmans P Armitage JO Cavalli F 2005中国神经肿瘤杂志2005,3,3:53
2AGNP精神科治疗药物监测共识指南:2011显示文摘治疗药物监测(Therapeutic drug monitoring,TDM),如通过定量测定血清或血浆药物浓度指导用药剂量优化,已经成为对患者进行精神药物治疗的很有价值的工具。在患者用药依从性难以判断、药物耐受性不佳、治疗剂量下无效以及可能存在药代动力学药物-药物相互作用等情况下,测定药物浓度是很有用的。在精神科,有可能明显获益于TDM的主要患者群体包括儿童、孕妇、老年患者、智力障碍患者、涉及司法的患者、已知或怀疑携带药代动力学相关基因变异的患者,以及合并躯体疾病影响药代动力学的患者。然而,只有将TDM充分整合到临床治疗过程中去,才能发挥其优化药物治疗的潜在优势。为了促进TDM的合理应用,神经精神药理学与药物精神病学协会(Arbeitsgemeinschaft für Neuropsychopharmakologie und Pharmakopsychiatrie,AGNP)的TDM专家组在2004年发表了精神药物治疗药物监测指南。之后,随着知识不断更新,又有许多可能需要进行TDM的新药上市。因此,本次更新将神经精神药物的种类扩展到了128种,并将其TDM必要性划分为从'强烈推荐'到'可能有用'的四个等级。经过大量细致且全面的文献检索与分门别类的汇总整理,将基于循证医学理念的'治疗参考浓度范围'和'剂量相关参考浓度范围'呈现给大家。本共识指南引入了'实验室警戒浓度'的新概念,即实验室需要马上告知治疗医生的药物浓度上限。本共识指南还给出了诸如药物作为细胞色素P450酶的底物和抑制剂的性质,代谢物与母药浓度比值的常见范围,以及与结果解释相关的内容,还提供了何时将TDM与遗传药理学检测相结合的建议。遵循本指南,有助于改善许多患者精神药物治疗的效果,特别是那些存在药代动力学异常的患者。TDM是一门交叉学科,有时针对看起来不一致的数据,需要多学科坦诚地讨论,只有这样,患者才能从这种合作中获益。Hiemke C Baumann P Bergemann N Conca A Dietmaier O Egberts K Fric M Gerlach M Greiner C Gründer G Haen E Havemann-Reinecke U Jaquenoud Sirot E Kirchherr H Laux G Lutz UC Messer T Müller MJ Pfuhlmann B Rambeck B Riederer P Schoppek B Stingl J Uhr M Ulrich S Waschgler R Zernig G 李文标(译) 果伟(译) 阮灿军(译) 贺静(译) 汤宜朗(审校) 王传跃(审校) 2016实用药物与临床2016,19,10:37
3Update on Anti-Saccharomyces cerevisiae antibodies, anti-nuclear associated anti-neutrophil antibodies and antibodies to exocrine pancreas detected by indirect immunofluorescence as biomarkers in chronic inflammatory bowel diseases: Results of a multicent显示文摘AIM: Anti-Saccharomyces cerevisiae antibodies (ASCA), anti-nuclear associated anti-neutrophil antibodies (NANA) and antibodies to exocrine pancreas (PAB), are serological tools for discriminating Crohn’s disease (CrD) and ulcerative colitis (UC). Like CrD, coeliac disease (CoD) is an inflammatory bowel disease (IBD) associated with (auto) antibodies. Performing a multicenter study we primarily aimed to determine the performance of ASCA, NANA and PAB tests for IBD diagnosis in children and adults, and secondarily to evaluate the prevalence of these markers in CoD. METHODS: Sera of 109 patients with CrD, 78 with UC, 45 with CoD and 50 healthy blood donors were retrospectively included. ASCA, NANA and PAB were detected by indirect immunofluorescence (IIF). RESULTS: ASCA+/NANA- profile displayed a positive predictive value of 94.2% for CrD. Detection of ASCA was correlated with a more severe clinical profile of CrD and treatment of the disease did not influence their serum levels. ASCA positivity was found in 37.9% of active CoD.PAB were found in 36.7% CrD and 13.3% CoD patients and were not correlated with clinical features of CrD, except with an early onset of the disease. Fifteen CrD patients were ASCA negative and PAB positive. CONCLUSION: ASCA and PAB detected by IIF are specific markers for CrD although their presence does not rule out a possible active CoD. The combination of ASCA, NANA and PAB tests improves the sensitivity of immunological markers for CrD. Repeating ASCA, NANA, and PAB testing during the course of CrD has no clinical value.S Desplat-Jégo C Johanet A Escande J Goetz N Fabien N Olsson E Ballot J Sarles JJ Baudon JC Grimaud M Veyrac P Chamouard RL Humbel 2007World Journal of Gastroenterology2007,13,16:24
4Rubber band ligation for 750 cases of symptomatic hemorrhoids out of 2200 cases显示文摘AIM: To study the results for the treatment of symptomatic hemorrhoids using rubber band ligation (RBL) method. METHODS: A retrospective study for 750 patients who came to the colorectal unit from June, 1998 to September, 2006, data was retrieved from archived fi les. RBL was performed using the Mc Gown applicator on an outpatient basis. The patients were asked to return to out-patient clinic for follow up at 2 wk, 1 mo, 6 mo and through telephone call every 6 mo for 2 years). RESULTS: After RBL, 696 patients (92.8%) were cured with no difference in outcome for second or third degree hemorrhoids (P = 0.31). Symptomatic recurrence was detected in 11.04% after 2 years. A total of 52 patients (6.93%) had 77 complications from RBL which required no hospitalization. Complications were pain, rectal bleeding and vaso-vagal symptoms(4.13%, 4.13% and 1.33% of patients, respectively). At 1 mo there were a significant improvement in mean SF-36 scores over baseline in five items, while after 2 years there were improvement in all items over baseline, but not significant. No significant manometeric changes after band ligation. CONCLUSION: RBL is a simple, safe and effective method for treating symptomatic second and third degree hemorrhoids as an out patient procedure with signifi cant improvement in quality of life. RBL doesn't alter ano-rectal functions.Ayman M El Nakeeb Amir A Fikry Waleed H Omar Elyamani M Fouda Tito A El Metwally Hosam E Ghazy Sabry A Badr Mohmed Y Abu Elkhar Salih M Elawady Hisham H Abd Elmoniam Waiel W Khafagy Mosaad M Morshed Ramadan E El Lithy Mohamed E Farid 2008World Journal of Gastroenterology2008,14,42:24
5珠江、流溪河大型底栖动物分布和氮磷因子的相关分析显示文摘采用Anova、多重比较并t检验的方法来比较氮、磷因子和大型底栖动物在 3个河段 (流溪河、珠江西航道及前航道 )的显著性差异分布及它们之间的相关。结果显示 ,主要污染物均为NH+4 -N ,均高出国家地表水水质V级标准。前航道NO-3 -N和NO-2 -N含量最低 ,硝化作用和河流自净作用大大地降低。PO3-4 -P也是前航道、西航道的污染因子。NH+4 -N和PO3-4 -P不是生物分布的限制因子 ,底栖动物计数和河流底层的NO-3-N ,NO-2 -N呈显著负相关关系。必须进行氮和磷的污染控制及治理 ,才可能提高河流底栖动物多样性 ,提高生态环境质量。刘玉 VERMAAT J E RUYTER E D de KRUIJF H A M de 2003中山大学学报(自然科学版)2003,42,1:22
6恶性外周神经鞘膜瘤和细胞性神经鞘瘤的形态学和免疫表型特征显示文摘细胞性神经鞘瘤较为少见,是一种公认的良性外周神经鞘膜肿瘤,可被误诊为恶性外周神经鞘膜瘤。为制定一个细胞性神经鞘瘤诊断共识标准,作者回顾性分析来自两家医学机构的115例恶性外周神经鞘膜瘤和26例细胞性神经鞘瘤的临床病理学特征。Pekmezci M Reuss D E Hirbe A C 李晓玲 王行富 2015临床与实验病理学杂志2015,31,4:19
7下肢浅静脉治疗术后的加压疗法:美国静脉论坛血管、外科学会、美国静脉学会、血管医学学会和国际静脉联盟的临床实践指南显示文摘一、指南的由来下肢浅静脉治疗术后应用压力治疗的方式是几代血管外科医师多年临床经验积累所得,现主要应用于大隐静脉剥脱术、下肢静脉点状剥脱术及静脉硬化治疗等。目前单就静脉硬化治疗而言,术后压力治疗的推荐也是基于相关文献及实验验证[1],但对于其他术式,尤其是对于大隐静脉的热消融术,目前还没有形成规范统一的建议,这也使得当前的压力治疗具有很大的临床差异性。Lurie F Lal BK Antignani PL Blebea J Bush R Caprini J Davies A Forrestal M Jacobowitz G Kalodiki E Killewich L Lohr J Ma H Mosti G Partsch H Rooke T Wakefield T 李丹(译) 陈程浩(译) 牛传强(译) 张靖(译) 黄建忠(译) 2020中华介入放射学电子杂志2020,8,4:16
8ISO_BMWP底栖动物监测法在中国河流有机污染评价中的修正及应用显示文摘河流有机污染是我国目前特别严重的环境污染问题之一。可以采用化学或生物监测的方法进行评价。首次采用大型底栖动物BMWP(BiologicalMonitoringWorkingParty)系统方法,对广州珠江前航道、西航道和流溪河下游段共3个河段进行有机污染生物监测评价。结果显示:底栖动物在3河段间分布确有显著性差异,根据修正的BMWP分数可以判断流溪河水质相对较好,水质级别相应于中国地表水环境质量标准Ⅳ~Ⅴ级,西航道和前航道水质级别均为Ⅴ级。通过测试这一方法能成功地应用在珠江及流溪河,且修正后的ISO_BMWP法可以较好地匹配于我国地表水5级评价系统,因此,初步认为修正后的ISO_BMWP系统可以成为一个和化学监测互补的好方法,从而应用于中国河流的生物监测评价。刘玉 VERMAAT J E RUYTER E D de KRUIJF H A M de 2004中山大学学报(自然科学版)2004,43,4:15
9高血压患者脑小血管病变化对认知功能的影响显示文摘高血压是脑小血管病进展与认知功能障碍的主要危险因素之一。该研究旨在探讨高血压患者脑小血管病损伤变化与认知功能减退及轻度认知功能障碍的关系。该研究的数据从ISSYS队列(探讨高血压无症状性脑卒中:一个磁共振成像研究)中获得,其是一项纵向人群研究,纳入基线无痴呆及脑卒中,年龄50~70岁的高血压患者。Jiménez-Balado J Riba-Llena I Abril O Garde E Penalba A Ostos E Maisterra O Montaner J Noviembre M Mundet X Ventura O Pizarro J Delgado P 赵狄 练桂丽 2019中华高血压杂志2019,27,2:15
10慢性肾脏病中的炎症和动脉硬化:慢性肾功能不全队列研究中的发现显示文摘慢性肾脏病(chronic kidney disease,CKD)和动脉硬化程度与心血管病发病率和死亡率增加相关。目前认为炎症在动脉硬化发展中发挥作用,而CKD被认为是一种促炎症反应的状态。CKD患者的动脉僵硬度增加,横断面数据提示CKD中增多的炎症标志物与较高动脉僵硬度值相关。Peyster E Chen J Feldman HI Go AS Gupta J Mitra N Pan Q Porter A Rahman M Raj D Reilly M Wing MR Yang W Townsend RR 陈云 叶鹏 2017中华高血压杂志2017,25,11:12
11Intracavitary VEGF, bFGF, IL-8, IL-12 levels in primary and recurrent malignant glioma.显示文摘Intracavitary levels of VEGF,bFGF,IL-8 and IL-12 were evaluated by ELISA in 45 patients,7 with recurrentanaplastic astrocytoma(rAA),12 with glioblastoma(GBM)and 26 with recurrent glioblastoma(rGBM).In 25patients plasma levels of the molecules were also quantitated.Twenty-three healthy controls were also studied forplasma concentrations of the same molecules.Plasma levels of VEGF(mean 33.89+/-6.71 pg/ml)and bFGF(mean l 1.1+/-3.24 pg/ml)were higher in patients than in controls(mean 16.78+/-3.7 pg/ml forVEGF,mean 0.21+/-0.09 pg/ml for bFGF)(p=0.04 and p=0.001,respectively)while plasmaSalmaggi A Eoli M Frigerio S Silvani A Gelati M Corsini E Broggi G Boiardi A 2003中国神经肿瘤杂志2003,1,2:12
12非胰岛素依赖型糖尿病冠状动脉疾病的危险因素:英国糖尿病前瞻性研究(UKPDS:23)显示文摘目的:评价2型糖尿病患者冠状动脉疾病的基线危险因素。设计:对2 693例资料完整的患者进行年龄和性别调整的逐步选择过程分析,以确定哪些冠状动脉疾病的危险因素应纳入 Cox 比例风险模型。对象:3 055例白人患者,平均年龄52岁,均新近诊断为2型糖尿病,且无动脉粥样硬化相关疾病的证据。平均随访期7.9年。335例患者于10年内出现冠状动脉疾病。结局评定:具有明确异常心电图的心绞痛、致死或非致死性心肌梗塞。结果:冠状动脉疾病与低密度脂蛋白胆固醇浓度升高、高密度脂蛋白胆固醇浓度降低、甘油三酯浓度升高、高血红蛋白 A_(1c)、高收缩压、高空腹血糖以及吸烟史密切相关。低密度脂蛋白胆固醇较高1/3对较低1/3区间的估计风险比为2.26(95%可信区间为1.70~3.00),高密度脂蛋白胆固醇为0.55(0.41~0.73),血红蛋白 A_(1c)为1.52(1.15~2.01),收缩压为1.82(1.34~2.47)。吸烟者的估计风险比为1.41(1.06~1.88)。结论:2型糖尿病患者中,存在冠状动脉疾病潜在的、可变的5种危险因素的交叉重叠影响。它们是低密度脂蛋白胆固醇浓度升高、高密度脂蛋白胆固醇浓度降低、高血压、高血糖和吸烟。R C Turner H Millns H A W Neil I M Stratton S E Manley D R Matthews R R Holman 赵维纲 1998英国医学杂志中文版1998,0,3:11
13乳腺单纯型大汗腺癌代表一种独特的雄激素受体阳性的三阴型乳腺癌亚型显示文摘乳腺单纯型大汗腺癌在所有乳腺癌中不足1%,是一种胞质内富含嗜酸性颗粒,核圆形,核仁明显的乳腺癌,肿瘤ER、PR及HER-2均阴性,对基于激素和HER-2方案的化疗无效,因此通常被归为三阴型乳腺癌进行治疗,甚至部分病例接受强化化疗。但与其他类型三阴型乳腺癌不同的是,该亚型乳腺癌表达雄激素受体(AR)是大部分非大汗腺分化的三阴型乳腺癌(NA—TNC)所不具有的特征。因此AR可作为乳腺大汗腺癌的一个关键诊断标记及治疗靶点。Mills A M E Gottlieb C M Wendorth S 王婷 余英豪 2016临床与实验病理学杂志2016,32,11:10
14Multidisciplinary approach for patients with esophageal cancer显示文摘Patients with esophageal cancer have a poor prognosis because they often have no symptoms until their disease is advanced. There are no screening recommendations for patients unless they have Barrett's esophagitis or a significant family history of this disease. Often, esophageal cancer is not diagnosed until patients present with dysphagia, odynophagia, anemia or weight loss. When symptoms occur, the stage is often stage Ⅲ or greater. Treatment of patients with very early stage disease is fairly straight forward using only local treatment with surgical resection or endoscopic mucosal resection. The treatment of patients who have locally advanced esophageal cancer is more complex and controversial. Despite multiple trials, treatment recommendations are still unclear due to conflicting data. Sadly, much of our data is difficult to interpret due to many of the trials done have included very heterogeneous groups of patients both histologically as well as anatomically. Additionally, studies have been underpowered or stopped early due to poor accrual. In the United States, concurrent chemoradiotherapy prior to surgical resection has been accepted by many as standard of care in the locally advanced patient. Patients who have metastatic disease are treated palliatively. The aim of this article is to describe the multidisciplinary approach used by an established team at a single high volume center for esophageal cancer, and to review the literature which guides our treatment recommendations.Victoria M Villaflor Marco E Allaix Bruce Minsky Fernando A Herbella Marco G Patti 2012World Journal of Gastroenterology2012,18,46:9
15Orally administered extract from Prunella vulgaris attenuates spontaneous colitis in mdr1a^(-/-) mice显示文摘AIM: To investigate the ability of a Prunella vulgaris(P. vulgaris) ethanolic extract to attenuate spontaneous typhlocolitis in mdr1a-/- mice. METHODS: Vehicle(5% ethanol) or P. vulgaris ethanolic extract(2.4 mg/d) were administered daily by oral gavage to mdr1a-/- or wild type FVBWT mice from 6 wk of age up to 20 wk of age. Clinical signs of disease were noted by monitoring weight loss. Mice experiencingweight loss in excess of 15% were removed from the study. At the time mice were removed from the study, blood and colon tissue were collected for analyses that included histological evaluation of lesions, inflammatory cytokine levels, and myeloperoxidase activity. RESULTS: Administration of P. vulgaris extracts to mdr1a-/- mice delayed onset of colitis and reduced severity of mucosal inflammation when compared to vehicle-treated mdr1a-/- mice. Oral administration of the P. vulgaris extract resulted in reduced(P < 0.05) serum levels of IL-10(4.6 ± 2 vs 19.4 ± 4), CXCL9(1319.0 ± 277 vs 3901.0 ± 858), and TNFα(9.9 ± 3 vs 14.8 ± 1) as well as reduced gene expression by more than two-fold for Ccl2, Ccl20, Cxcl1, Cxcl9, IL-1 α, Mmp10, VCAM-1, ICAM, IL-2, and TNFα in the colonic mucosa of mdr1a-/- mice compared to vehicle-treated mdr1a-/-mice. Histologically, several microscopic parameters were reduced(P < 0.05) in P. vulgaris-treated mdr1a-/-mice, as was myeloperoxidase activity in the colon(2.49 ± 0.16 vs 3.36 ± 0.06, P < 0.05). The numbers of CD4+ T cells(2031.9 ± 412.1 vs 5054.5 ± 809.5) and germinal center B cells(2749.6 ± 473.7 vs 4934.0 ± 645.9) observed in the cecal tonsils of P. vulgaris-treated mdr1a-/- were significantly reduced(P < 0.05) from vehicle-treated mdr1a-/- mice. Vehicle-treated mdr1a-/- mice were found to produce serum antibodies to antigens derived from members of the intestinal microbiota, indicative of severe colitis and a loss of adaptive tolerance to the members of the microbiota. These serum antibodies were greatly reduced or absent in P. vulgaris-treated mdr1a-/- mice. CONCLUSION: The anti-inflammatory activity of P. vulgaris ethanolic extract effectively attenuated the severity of intestinal inflammation in mdr1a-/- mice.Kelley MK Haarberg Meghan J Wymore Brand Anne-Marie C Overstreet Catherine C Hauck Patricia A Murphy Jesse M Hostetter Amanda E Ramer-Tait Michael J Wannemuehler 2015World Journal of Gastrointestinal Pharmacology and Therapeutics2015,6,4:8
16Dual destructive and protective roles of adaptive immunity in neurodegenerative disorders显示文摘Inappropriate T cell responses in the central nervous system(CNS)affect the pathogenesis of a broad range of neuroinflammatory and neurodegenerative disorders that include,but are not limited to,multiple sclerosis,amyotrophic lateral sclerosis,Alzheimer’s disease and Parkinson’s disease.On the one hand immune responses can exacerbate neurotoxic responses;while on the other hand,they can lead to neuroprotective outcomes.The temporal and spatial mechanisms by which these immune responses occur and are regulated in the setting of active disease have gained significant recent attention.Spatially,immune responses that affect neurodegeneration may occur within or outside the CNS.Migration of antigen-specific CD4+T cells from the periphery to the CNS and consequent immune cell interactions with resident glial cells affect neuroinflammation and neuronal survival.The destructive or protective mechanisms of these interactions are linked to the relative numerical and functional dominance of effector or regulatory T cells.Temporally,immune responses at disease onset or during progression may exhibit a differential balance of immune responses in the periphery and within the CNS.Immune responses with predominate T cell subtypes may differentially manifest migratory,regulatory and effector functions when triggered by endogenous misfolded and aggregated proteins and cell-specific stimuli.The final result is altered glial and neuronal behaviors that influence the disease course.Thus,discovery of neurodestructive and neuroprotective immune mechanisms will permit potential new therapeutic pathways that affect neuronal survival and slow disease progression.Kristi M Anderson Katherine E Olson Katherine A Estes Ken Flanagan Howard E Gendelman R Lee Mosley 2014Translational Neurodegeneration2014,3,1:8
17Development of an Arabic version of the National Eye Institute Visual Function Questionnaire as a tool to study eye diseases patients in Egypt显示文摘AIM:To develop and test an Arabic version of the National Eye Institute Visual Function Questionnaire-25(NEI-VFQ-25).METHODS:NEI-VFQ-25 was translated into Arabic according to WHO translation guidelines. We enrolled adult consenting patients with bilateral chronic eye diseases who presented to 14 hospitals across Egypt from October to December 2012, and documented their clinical findings. Psychometric properties were then tested using STATA.RESULTS:We recruited 379 patients, whose mean age was(54.5±15)y. Of 46.2% were males, 227 had cataract,31 had glaucoma, 23 had retinal detachment, 37 had diabetic retinopathy, and 61 had miscellaneous visual defects. Non-response rate and the floor and ceiling numbers of the Arabic version(ARB-VFQ-25) were calculated. Internal consistency was high in all subscales(except general health), with Cronbach-α ranging from0.702-0.911. Test-retest reliability was high(intraclass correlation coefficient 0.79).CONCLUSION:RB-VFQ-25 isareliableandvalidtool for assessing visual functions of Arabic speaking patients. However, some questions had high non-response rates and should be substituted by available alternatives. Our results support the importance of including self-reported visual functions as part of routine ophthalmologic examination.Nizar Saleh Abdelfattah Mohamed Amgad Ahmed A Salama Marina E Israel Ghada A Elhawary Ahmed E Radwan Mohamed M Elgayar Tamer M EL Nakhal Islam T Elkhateb Heba A Hashem Doha K Embaby Amira A Elabd Reem K Elwy Magdi S Yacoub Hamdy Salem Mohamed Abdel-Baqy Ahmad Kassem 2014International Journal of Ophthalmology(English edition)2014,7,5:8
18急性脊髓损伤患者治疗的临床操作指南:关于MRI基线在临床治疗决策与结果预测中作用的几点建议(英文)显示文摘The objective of this guideline is to outline the role of magnetic resonance imaging(MRI) in clinical decision making and outcome prediction in patients with traumatic spinal cord injury(SCI).Methods A systematic review of the literature was conducted to address key questions related to the use of MRI in patients with traumatic SCI.This review focused on longitudinal studies that controlled for baseline neurologic status.A multidisciplinary Guideline Development Group(GDG) used this information,their clinical expertise,and patient input to develop recommendations on the use of MRI for SCI patients.Based on GRADE(Grading of Recommendation,Assessment,Development and Evaluation),a strong recommendation is worded as ' we recommend,' whereas a weaker recommendation is indicated by 'we suggest.' Results Based on the limited available evidence and the clinical expertise of the GDG,our recommendations were:(1) 'We suggest that MRI be performed in adult patients with acute SCI prior to surgical intervention,when feasible,to facilitate improved clinical decision-making'(quality of evidence,very low) and(2) 'We suggest that MRI should be performed in adult patients in the acute period following SCI,before or after surgical intervention,to improve prediction of neurologic outcome '(quality of evidence,low).Conclusions These guidelines should be implemented into clinical practice to improve outcomes and prognostication for patients with SCI.Fehlings MG Martin AR Tetreault LA Aarabi B Anderson P Arnold PM Brodke D Burns AS Chiba K Dettori JR Furlan JC Hawryluk G Holly LT Howley S Jeji T Kalsi-Ryan S Kotter M Kurpad S Kwon BK Marino RJ Massicotte E Merli G Middleton JW Nakashima H Nagoshi N Palmieri K Singh A Skelly AC Tsai EC Vaccaro A Wilson JR Yee A Harrop JS 2017中华神经外科疾病研究杂志2017,16,6:8
19Viral hepatitis update: Progress and perspectives显示文摘Viral hepatitis,secondary to infection with hepatitis A,B,C,D,and E viruses,are a major public health problem and an important cause of morbidity and mortality.Despite the huge medical advances achieved in recent years,there are still points of conflict concerning the pathogenesis,immune response,development of new and more effective vaccines,therapies,and treatment.This review focuses on the most important research topics that deal with issues that are currently being solved,those that remain to be solved,and future research directions.For hepatitis A virus we will address epidemiology,molecular surveillance,new susceptible populations as well as environmental and food detections.In the case of hepatitis B virus,we will discuss host factors related to disease,diagnosis,therapy,and vaccine improvement.On hepatitis C virus,we will focus on pathogenesis,immune response,direct action antivirals treatment in the context of solid organ transplantation,issues related to hepatocellular carcinoma development,direct action antivirals resistance due to selection of resistanceassociated variants,and vaccination.Regarding hepatitis D virus,we describe diagnostic methodology,pathogenesis,and therapy.Finally,for hepatitis E virus,we will address epidemiology(including new emerging species),diagnosis,clinical aspects,treatment,the development of a vaccine,and environmental surveillance.María B Pisano Cecilia G Giadans Diego M Flichman Viviana E Ré María V Preciado Pamela Valva 2021World Journal of Gastroenterology2021,27,26:8
20Global, regional, and national prevalence of overweight and obesity in children and adults during 1980–2013: a systematic analysis for the Global Burden of Disease Study 2013显示文摘Marie Ng Tom Fleming Margaret Robinson Blake Thomson Nicholas Graetz Christopher Margono Erin C Mullany Stan Biryukov Cristiana Abbafati Semaw Ferede Abera Jerry P Abraham Niveen M E Abu-Rmeileh Tom Achoki Fadia S AlBuhairan Zewdie A Alemu Rafael Alfonso 2014The Lancet2014,,:7
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