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| 1 | Identification of a novel coronavirus causing severe pneumonia in human:a descriptive study显示文摘Background:Human infections with zoonotic coronaviruses(CoVs),including severe acute respiratory syndrome(SARS)-CoV and Middle East respiratory syndrome(MERS)-CoV,have raised great public health concern globally.Here,we report a novel batorigin CoV causing severe and fatal pneumonia in humans.Methods:We collected clinical data and bronchoalveolar lavage(BAL)specimens from five patients with severe pneumonia from Wuhan Jinyintan Hospital,Hubei province,China.Nucleic acids of the BAL were extracted and subjected to next-generation sequencing.Virus isolation was carried out,and maximum-likelihood phylogenetic trees were constructed.Results:Five patients hospitalized from December 18 to December 29,2019 presented with fever,cough,and dyspnea accompanied by complications of acute respiratory distress syndrome.Chest radiography revealed diffuse opacities and consolidation.One of these patients died.Sequence results revealed the presence of a previously unknownβ-CoV strain in all five patients,with 99.8%to 99.9%nucleotide identities among the isolates.These isolates showed 79.0%nucleotide identity with the sequence of SARS-CoV(GenBank NC_004718)and 51.8%identity with the sequence of MERS-CoV(GenBank NC_019843).The virus is phylogenetically closest to a bat SARS-like CoV(SL-ZC45,GenBank MG772933)with 87.6%to 87.7%nucleotide identity,but is in a separate clade.Moreover,these viruses have a single intact open reading frame gene 8,as a further indicator of bat-origin CoVs.However,the amino acid sequence of the tentative receptor-binding domain resembles that of SARS-CoV,indicating that these viruses might use the same receptor.Conclusion:A novel bat-borne CoV was identified that is associated with severe and fatal respiratory disease in humans. | Li-Li Ren Ye-Ming Wang Zhi-Qiang Wu Zi-Chun Xiang Li Guo Teng Xu Yong-Zhong Jiang Yan Xiong Yong-Jun Li Xing-Wang Li Hui Li Guo-Hui Fan Xiao-Ying Gu Yan Xiao Hong Gao Jiu-Yang Xu Fan Yang Xin-Ming Wang Chao Wu Lan Chen Yi-Wei Liu Bo Liu Jian Yang Xiao-Rui Wang Jie Dong Li Li Chao-Lin Huang Jian-Ping Zhao Yi Hu Zhen-Shun Cheng Un-Lin Liu Zhao-Hui Qian Chuan Qin Qi Jin Bin Cao Jian-Wei Wang | 2020 | Chinese Medical Journal2020，，9： | 99 |
| 2 | Liver fibrosis and hepatic stellate cells: Etiology, pathological hallmarks and therapeutic targets显示文摘Liver fibrosis is a reversible wound-healing process aimed at maintaining organ integrity, and presents as the critical pre-stage of liver cirrhosis, which will eventually progress to hepatocellular carcinoma in the absence of liver transplantation. Fibrosis generally results from chronic hepatic injury caused by various factors, mainly viral infection, schistosomiasis, and alcoholism; however, the exact pathological mechanisms are still unknown. Although numerous drugs have been shown to have antifibrotic activity in vitro and in animal models, none of these drugs have been shown to be efficacious in the clinic. Importantly, hepatic stellate cells(HSCs) play a key role in the initiation, progression, and regression of liver fibrosis by secreting fibrogenic factors that encourage portal fibrocytes, fibroblasts, and bone marrow-derived myofibroblasts to produce collagen and thereby propagate fibrosis. These cells are subject to intricate cross-talk with adjacent cells, resulting in scarring and subsequent liver damage. Thus, an understanding of the molecular mechanisms of liver fibrosis and their relationships with HSCs is essential for the discovery of new therapeutic targets. This comprehensive review outlines the role of HSCs in liver fibrosis and details novel strategies to suppress HSC activity, thereby providing new insights into potential treatments for liver fibrosis. | Chong-Yang Zhang Wei-Gang Yuan Pei He Jia-Hui Lei Chun-Xu Wang | 2016 | World Journal of Gastroenterology2016，22，48： | 114 |
| 3 | Acute lung injury and ARDS in acute pancreatitis: Mechanisms and potential intervention显示文摘Acute lung injury (ALI) and acute respiratory distress syndrome (ARDS) in acute pancreatitis still represents a substantial problem,with a mortality rate in the range of 30%-40%.The present review evaluates underlying pathophysiological mechanisms in both ALI and ARDS and potential clinical implications.Several mediators and pathophysiological pathways are involved during the different phases of ALI and ARDS.The initial exudative phase is characterized by diffuse alveolar damage,microvascular injury and influx of inflammatory cells.This phase is followed by a fibro-proliferative phase with lung repair,type Ⅱ pneumocyte hypoplasia and proliferation of fibroblasts.Proteases derived from polymorphonuclear neutrophils,various pro-inflammatory mediators,and phospholipases are all involved,among others.Contributing factors that promote pancreatitis-associated ALI may be found in the gut and mesenteric lymphatics.There is a lack of complete understanding of the underlying mechanisms,and by improving our knowledge,novel tools for prevention and intervention may be developed,thus contributing to improved outcome. | Roland Andersson | 2010 | World Journal of Gastroenterology2010，16，17： | 65 |
| 4 | Epidemiology,etiology,and prevention of esophageal squamous cell carcinoma in China显示文摘Esophageal cancer is one of the most fatal diseases worldwide mainly because of its rapid progression and poor prognosis.Although the incidence of esophageal adenocarcinoma has markedly risen in North America and Europe in the past several decades, esophageal squamous cell carcinoma is still the predominant subtype of esophageal cancer, especially in China. It accounts for more than 90% of all esophageal squamous cell carcinoma cases in China. Geographical differentiation is one of the most distinctive characteristics of esophageal cancer. The progression, risk factors, and prognosis of these two subtypes of esophageal cancer differ. This study reviews the epidemiology, etiology, and prevention of esophageal squamous cell carcinoma in China, thereby providing systematic references for policy-makers who will decide on issues of esophageal cancer prevention and control. | He Liang Jin-Hu Fan You-Lin Qiao | 2017 | Cancer Biology & Medicine2017，14，1： | 69 |
| 5 | Study of liver cirrhosis over ten consecutive years in Southern China显示文摘AIM: To investigate the etiology and complications of liver cirrhosis(LC) in Southern China. METHODS: In this retrospective, cross-sectional study, we identified cases of liver cirrhosis admitted between January 2001 to December 2010 and reviewed the medical records. Patient demographics, etiologies and complications were collected, and etiological changes were illustrated by consecutive years and within twotime periods(2001-2005 and 2006-2010). All results were expressed as the mean ± SD or as a percentage. The χ2 test or Student's t-test was used to analyze the differences in age, gender, and etiological distribution, and one-way analysis of variance was applied to estimate the trends in etiological changes. We analyzed the relationship between the etiologies and complications using unconditioned logistic regression, and the risk of upper gastrointestinal bleeding(UGIB) and hepatocellular carcinoma(HCC) in the major etiological groups was evaluated as ORs. A P value less than 0.05 was considered significant. Statistical computation was performed using SPSS 17.0 software.RESULTS: In this study, we identified 6719(83.16%) male patients and 1361(16.84%) female patients. The average age of all of the patients was 50.5 years at the time of diagnosis. The distribution of etiological agents was as follows: viral hepatitis, 80.62% [hepatitis B virus(HBV) 77.22%, hepatitis C virus(HCV) 2.80%,(HBV + HCV) 0.58%]; alcohol, 5.68%; mixed etiology, 4.95%; cryptogenic, 2.93%; and autoimmune hepatitis, 2.03%; whereas the other included etiologies accounted for less than 4% of the total. Infantile hepatitis syndrome LC patients were the youngest(2.5 years of age), followed by the metabolic LC group(27.2 years of age). Viral hepatitis, alcohol, and mixed etiology were more prevalent in the male group, whereas autoimmune diseases, cryptogenic cirrhosis, and metabolic diseases were more prevalent in the female group. When comparing the etiological distribution in 2001-2005 with that in 2006-2010, the proportion of viral hepatitis decreased from 84.7% to 78.3%(P < 0.001), and the proportion of HBV-induced LC also decreased from 81.9% to 74.6%(P < 0.001). The incidence of mixed etiology, cryptogenic cirrhosis, and autoimmune diseases increased by 3.1%(P < 0.001), 0.5%(P = 0.158), and 1.3%(P < 0.001), respectively. Alcohol-induced LC remained relatively steady over the 10-year period. The ORs of the development of UGIB between HBV and other major etiologies were as follows: HCV, 1.07; alcohol, 1.89; autoimmune, 0.90; mixed etiology, 0.83; and cryptogenic, 1.76. The ORs of the occurrence of HCC between HBV and other major etiologies were as follows: HCV, 0.54; alcohol, 0.16; autoimmune, 0.05; mixed etiology, 0.58; and cryptogenic, 0.60.CONCLUSION: The major etiology of liver cirrhosis in Southern China is viral hepatitis. However, the proportions of viral hepatitis and HBV are gradually decreasing. Alcoholic LC patients exhibit a greater risk of experiencing UGIB, and HBV LC patients may have a greater risk of HCC. | Xing Wang Shang-Xiong Lin Jin Tao Xiu-Qing Wei Yuan-Ting Liu Yu-Ming Chen Bin Wu | 2014 | World Journal of Gastroenterology2014，20，37： | 72 |
| 6 | Diabetes mellitus: The epidemic of the century显示文摘The epidemic nature of diabetes mellitus in different regions is reviewed. The Middle East and North Africa region has the highest prevalence of diabetes in adults(10.9%) whereas, the Western Pacific region has the highest number of adults diagnosed with diabetes and has countries with the highest prevalence of diabetes(37.5%). Different classes of diabetes mellitus, type 1, type 2, gestational diabetes and other types of diabetes mellitus are compared in terms of diagnostic criteria, etiology and genetics. The molecular genetics of diabetes received extensive attention in recent years by many prominent investigators and research groups in the biomedical field. A large array of mutations and single nucleotide polymorphisms in genes that play a role in the various steps and pathways involved in glucose metabolism and the development, control and function of pancreatic cells at various levels are reviewed. The major advances in the molecular understanding of diabetes in relation to the different types of diabetes in comparison to the previous understanding in this field are briefly reviewed here. Despite the accumulation of extensive data at the molecular and cellular levels, the mechanism of diabetes development and complications are still not fully understood. Definitely, more extensive research is needed in this field that will eventually reflect on the ultimate objective to improve diagnoses, therapy and minimize the chance of chronic complications development. | Akram T Kharroubi Hisham M Darwish | 2015 | World Journal of Diabetes2015，6，6： | 53 |
| 7 | Research progress on the etiology and pathogenesis of adolescent idiopathic scoliosis显示文摘Etiology of adolescent idiopathic scoliosis(AIS),a complicated three-dimensional spinal deformity with early-onset,receives continuous attention but remains unclear.To gain an insight into AIS pathogenesis,this review searched PubMed database up to June 2019,using key words or medical subject headings terms including'adolescent idiopathic scoliosis,''scoliosis,''pathogenesis,''etiology,''genetics,''mesenchymal stem cells,'and their combinations,summarized existing literatures and categorized the theories or hypothesis into nine aspects.These aspects include bone marrow mesenchymal stem cell studies,genetic studies,tissue analysis,spine biomechanics measurements,neurologic analysis,hormone studies,biochemical analysis,environmental factor analysis,and lifestyle explorations.These categories could be a guidance for further etiology or treatment researches to gain inspiration. | Yue Peng Sheng-Ru Wang Gui-Xing Qiu Jian-Guo Zhang Qian-Yu Zhuang | 2020 | Chinese Medical Journal2020，，4： | 45 |
| 8 | Cytochrome P450 2E1 genetic polymorphism and gastric cancer in Changle,Fujian Province显示文摘AIM: Genetic polymorphism in enzymes of carcinogen metabolism has been found to have the influence on the susceptibility to cancer. Cytochrome P450 2E1 ( CYP2 E1) is considered to play an important role in the metabolic activation of procarcinogens such as N-nitroscoamines and Iow molecular weight organic compounds. The purpose of this study is to determine whether CYP450 2Elpolymorphisms are associated with risk s of gastric cancer.METHODS: We conducted a population based case-control study in Changle county, Fujian Province, a high-risk region of gastric cancer in China. Ninety-one incident gastric cancer patients and ninety-four healthy controls were included in our study. Datas including dsmographic characteristcs, diet intake, and alcohol and tobacco consumption of indivduals in our study were completed by a standardized questionnaire. PCR-RFLP revealed three genotypes: heterozygote (C1/C2) and two homozygotes (C1/C1 and C2/C2) in CYP2E1.RESULTS: The frequency of variant genotypes (C1/C2 and C2/C2) in gastric cancer cases and controls was 36.3% and 24.5%, respectively. The rare homozygous C2/C2 genotype was found in 6 indivduals in gastric cancer group(6.6%),whereas there was only one in the control group (1.1%).However, there was no statistically significan difference between the two groups (two-tailed Fisher′s exact test, P =0.066). Indivduals in gastric cancer group were more likely to carry genotype C1/C2 (odds ratio, OR = 1.50) and C2/C2(OR = 7.34) than indivduals in control group (X2 = 4.597, for trend P=0.032). The frequencies of genofypes with the C2allele ( C1/C2 and C2/C2 genotypes) were compared with those of genotypes without C2 allele ( C1/C1 genotype )among indivduals in gastric cancer group and control group according to the pattern of gastric cancer risk factors. The results show that indivduals who exposed to these gastric cancer risk factors and carry the C2 allele seemed to have a higher risk of developing gastric cancer.CONCLUSION: Polymorphism of CYP2E1 gene may have some effct in the development of gastric cancer in Changle county, Fujian Province. | Lin Cai~1 Shun-Zhang Yu~2 Zuo-Feng Zhang~3 1 Department of Epidemiology,Fujian Medical University,Fuzhou 350004,Fujian Province,China2 Department of Epidemiology,Shanghai Medical University,Shanghai 200032,China3 Department of Epidemiology,UCLA School of Public Health,Los Angeles California,USA | 2001 | World Journal of Gastroenterology2001，7，6： | 25 |
| 9 | Non-viral causes of hepatocellular carcinoma显示文摘Hepatocellular carcinoma(HCC) is the most common primary liver malignancy and represents an international public health concern as one of the most deadly cancers worldwide.The main etiology of HCC is chronic infection with hepatitis B and hepatitis C viruses.However,there are other important factors that contribute to the international burden of HCC.Among these are obesity,diabetes,non-alcoholic steatohepatitis and dietary exposures.Emerging evidence suggests that the etiology of many cases of HCC is in fact multifactorial,encompassing infectious etiologies,comorbid conditions and environmental exposures.Clarification of relevant non-viral causes of HCC will aid in preventative efforts to curb the rising incidence of this disease. | Wojciech Blonski David S Kotlyar Kimberly A Forde | 2010 | World Journal of Gastroenterology2010，16，29： | 25 |
| 10 | Acute kidney injury in acute-on-chronic liver failure is different from in decompensated cirrhosis显示文摘AIM To evaluate the differences in acute kidney injury(AKI) between acute-on-chronic liver failure(ACLF) and decompensated cirrhosis(DC) patients. METHODS During the period from December 2015 to July 2017, 280 patients with hepatitis B virus(HBV)-related ACLF(HBV-ACLF) and 132 patients with HBV-related DC(HBV-DC) who were admitted to our center were recruited consecutively into an observational study. Urine specimens were collected from all subjects and the levels of five urinary tubular injury biomarkers were detected,including neutrophil gelatinase-associated lipocalin(NGAL), interleukin-18(IL-18), liver-type fatty acid binding protein(L-FABP), cystatin C(CysC), and kidney injury molecule-1(KIM-1). Simultaneously, the patient demographics, occurrence and progression of AKI, and response to terlipressin therapy were recorded. All patients were followed up for 3 mo or until death after enrollment. RESULTS AKI occurred in 71 and 28 of HBV-ACLF and HBV-DC patients, respectively(25.4% vs 21.2%, P = 0.358). Among all patients, the levels of four urinary biomarkers(NGAL, CysC, L-FABP, IL-18) were significantly elevated in patients with HBV-ACLF and AKI(ACLF-AKI), compared with that in patients with HBV-DC and AKI(DC-AKI) or those without AKI. There was a higher proportion of patients with AKI progression in ACLF-AKI patients than in DC-AKI patients(49.3% vs 17.9%, P = 0.013). Fortythree patients with ACLF-AKI and 19 patients with DC-AKI were treated with terlipressin. The response rate of ACLFAKI patients was significantly lower than that of patients with DC-AKI(32.6% vs 57.9%, P = 0.018). Furthermore, patients with ACLF-AKI had the lowest 90 d survival rates among all groups(P < 0.001).CONCLUSION AKI in ACLF patients is more likely associated with structural kidney injury, and is more progressive, with a poorer response to terlipressin treatment and a worse prognosis than that in DC patients. | Qun-Qun Jiang Mei-Fang Han Ke Ma Guang Chen Xiao-Yang Wan Semvua Bukheti Kilonzo Wen-Yu Wu Yong-Li Wang Jie You Qin Ning | 2018 | World Journal of Gastroenterology2018，24，21： | 25 |
| 11 | Etiology and therapeutic management of neonatal jaundice in Iran:a systematic review and meta-analysis显示文摘Background Jaundice is a life-threatening disorder in the neonates.In the present study,we aimed to assess systematically available evidence on causes and management of jaundice in Iranian newborn patients.Methods We searched the databases of PubMed,Web of Sciences,Scopus and Google Scholar for English articles published since inception until May 2019.A search was also done for Persian articles in Magiran and Scientific Information Database.Studies were evaluated based on predefined criteria by two reviewers.Data analysis was performed by STATA software.Results A total of 33 articles were finally included.The overall pooled prevalence of causes of jaundice among Iranian neonates was as follows:ABO blood groups incompatibility,16.9%[95%confidence interval(CI)10.9-22.8];Rh blood group incompatibility,4%(95%CI 2.5-5.5);ABO and Rh blood groups incompatibility,3.6%(95%CI 0-7.7);glucose6-phosphate dehydrogenase(G6PD)deficiency,6.3%(95%CI 5.1-7.5);infection,6.6%(95%CI 5.2-8.1);hypothyroidism,4.2%(95%CI 0.1-8.3);infant of diabetic mother:2.3%(95%CI 0.1-4.5);unknown,50.7%(95%CI 33.4-68);cephalohematoma,0.6%(95%CI 0.3-0.9).Regarding treatment of icterus,seven and eight articles were found on phototherapy and exchange transfusion,respectively.In five studies,all patients underwent phototherapy,but rate of exchange transfusion use was between 6.6%and 50.9%.Conclusions According to the results,unknown factors were the most common causes of icterus in Iranian neonates,followed by ABO blood groups incompatibility,infections and G6PD deficiency.By the way,phototherapy and exchange transfusion were found as therapeutic choices of neonatal jaundice. | Yadollah Zahed Pasha Shaghayegh Alizadeh-Tabari Ermia Zahed Pasha Mohammad Zamani | 2020 | World Journal of Pediatrics2020，16，5： | 23 |
| 12 | Advances in nutritional therapy in inflammatory boweldiseases:Review显示文摘Inflammatory bowel diseases(IBD), including ulcerative colitis and Crohn's disease are chronic, life-long, and relapsing diseases of the gastrointestinal tract. Currently, there are no complete cure possibilities, but combined pharmacological and nutritional therapy may induce remission of the disease. Malnutrition and specific nutritional deficiencies are frequent among IBD patients, so the majority of them need nutritional treatment, which not only improves the state of nutrition of the patients but has strong anti-inflammatory activity as well. Moreover, some nutrients, from early stages of life are suspected as triggering factors in the etiopathogenesis of IBD. Both parenteral and enteral nutrition is used in IBD therapy, but their practical utility in different populations and in different countries is not clearly established, and there are sometimes conflicting theories concerning the role of nutrition in IBD. This review presents the actual data from research studies on the influence of nutrition on the etiopathogenesis of IBD and the latest findings regarding its mechanisms of action. The use of both parenteral and enteral nutrition as therapeutic methods in induction and maintenance therapy in IBD treatment is also extensively discussed. Comparison of the latest research data, scientific theories concerning the role of nutrition in IBD, and different opinions about them are also presented and discussed. Additionally, some potential future perspectives for nutritional therapy are highlighted. | Andrzej Wędrychowicz Andrzej Zając Przemysław Tomasik | 2016 | World Journal of Gastroenterology2016，22，3： | 21 |
| 13 | Early phase of acute pancreatitis: Assessment and management显示文摘Acute pancreatitis(AP) is a potentially life-threatening disease with a wide spectrum of severity. The overall mortality of AP is approximately 5%. According to the revised Atlanta classification system, AP can be classified as mild, moderate, or severe. Severe AP often takes a clinical course with two phases, an early and a late phase, which should both be considered separately. In this review article, we first discuss general aspects of AP, including incidence, pathophysiology, etiology, and grading of severity, then focus on the assessment of patients with suspected AP, including diagnosis and risk stratification, followed by the management of AP during the early phase, with special emphasis on fluid therapy, pain management, nutrition, and antibiotic prophylaxis. | Veit Phillip Jrg M Steiner Hana Algül | 2014 | World Journal of Gastrointestinal Pathophysiology2014，5，3： | 19 |
| 14 | The microbiome in inflammatory bowel diseases:from pathogenesis to therapy显示文摘Inflammatory bowel disease(IBD)has become a global disease with accelerating incidence worldwide in the 21st century while its accurate etiology remains unclear.In the past decade,gut microbiota dysbiosis has consistently been associated with IBD.Although many IBDassociated dysbiosis have not been proven to be a cause or an effect of IBD,it is often hypothesized that at least some of alteration in microbiome is protective or causative.In this article,we selectively reviewed the hypothesis supported by both association studies in human and pathogenesis studies in biological models.Specifically,we reviewed the potential protective bacterial pathways and species against IBD,as well as the potential causative bacterial pathways and species of IBD.We also reviewed the potential roles of some members of mycobiome and virome in IBD.Lastly,we covered the current status of therapeutic approaches targeting microbiome,which is a promising strategy to alleviate and cure this inflammatory disease. | Sheng Liu Wenjing Zhao Ping Lan Xiangyu Mou | 2021 | Protein & Cell2021，12，5： | 15 |
| 15 | Etiology, pathogenesis, antivirals and vaccines of hand,foot, and mouth disease显示文摘Hand, foot, and mouth disease(HFMD), caused by enteroviruses, is a syndrome characterized by fever with vesicular eruptions mainly on the skin of the hands, feet, and oral cavity. HFMD primarily afects infants and young children. Although infection is usually self-limited, severe neurological complications in the central nervous system can present in some cases, which can lead to death. Widespread infection of HFMD across the Asia-Paciic region over the past two decades has made HFMD a major public health challenge, ranking irst among the category C notiiable communicable diseases in China every year since2008. his review summarizes our understanding of HFMD, focusing on the etiology and pathogenesis of the disease, as well as on progress toward antivirals and vaccines. he review also discusses the implications of these studies as they relate to the control and prevention of the disease. | Xiaobo Lei Sheng Cui Zhendong Zhao Jianwei Wang | 2015 | National Science Review2015，2，3： | 15 |
| 16 | Percutaneous transsplenic embolization of esophageal and gastrio-fundal varices in 18 patients显示文摘AIM: Clinical application and potential complication of percutaneous transsplenic varices embolization (PTSVE) of esophageal or gastrio-fundal varices in patients with hepatocellular carcinoma (HCC) complicated with portal vein cancerous thrombosis (PVCT).METHODS: 18 patients with HCC complicated with PVCT and esophageal or gastrio-fundal varices who underwent PTSVE were collected. The rate of success, complication, mortality of the procedure and postoperative complication were recorded and analyzed.RESULTS: PTSVE were successfully performed in 16 of 18cases, and the rate of success was 89%. After therapy erythrocyte counts decreased in all of the natunts. 5 of patients needed blood transfusion, 2 patients requiredsurgical intervention because of and 11 patients with ascites were alleviated by diuresis. Among these 18patients, the procedure-related mortality was 11% (2/18),one died of acute hepatic failure on the forth day after procedure, another died of acute renal failure on the fifth day. The patients were follow up for 112 mon exceptone. 13of them died of their tumors but none of them experienced variceal bleeding.CONCLUSION: PTSVE is a relatively safe and effective method to treat esophageal or gastrio-fundal varices in HCCpatients with PVCT when percutaneous transhepatic varices embolization (PTHVE) of varices is impossible. | Gao-Quan Gong Xiao-Lin Wang Jian-Hua Wang Zhi-Ping Yan Jie-Min Cheng Sheng Qian Yi Chen Department of Radiology,Zhongshan Hospital,Fudan University,Shanghai 200032,China | 2001 | World Journal of Gastroenterology2001，7，6： | 14 |
| 17 | Neonatal gastric perforation: A single center experience显示文摘AIM: To determine the etiology and prognostic factors for neonatal gastric perforation(NGP), a rare but life-threatening disease.METHODS: Between 1980 and 2011, nine patients un-derwent surgical intervention for NGP at Seoul National University Children's Hospital. The characteristics and prognosis of the patients were retrospectively analyzed.RESULTS: Among the nine patients, three(33.3%) were preterm babies and five(55.5%) had associated anomalies, which included diaphragmatic eventration(n = 2), congenital diaphragmatic hernia, esophageal atresia with tracheoesophageal fistula, and antral web. Three(33.3%) patients were born before 1990 and three(33.3%) had a birth weight < 2500 g. Pneumo-peritoneum was found on preoperative images in six(66.7%) patients, and incidentally in the other three(33.3%) patients. Surgery was performed within 24 h after the onset of symptoms in seven(77.8%) patients. The overall mortality rate was 22.2%(2/9). The time between symptoms and surgical intervention was the only prognostic factor for survival, whereas premature birth and birth weight were not.CONCLUSION: Early detection and advances in neo-natal intensive care may improve the prognosis of NGP. | Jeik Byun Hyun Young Kim Seung Yeon Noh Soo Hong Kim Sung Eun Jung Seong Cheol Lee Kwi Won Park | 2014 | World Journal of Gastrointestinal Surgery2014，6，8： | 13 |
| 18 | Pathophysiology of chronic pancreatitis显示文摘Chronic pancreatitis(CP)is an inflammatory disease of the pancreas characterized by progressive fibrotic destruction of the pancreatic secretory parenchyma.Despite the heterogeneity in pathogenesis and involved risk factors,processes such as necrosis/apoptosis,inflammation or duct obstruction are involved.This fibrosing process ultimately leads to progressive loss of the lobular morphology and structure of the pancreas,deformation of the large ducts and severe changes in the arrangement and composition of the islets.These conditions lead to irreversible morphological and structural changes resulting in impairment of both exocrine and endocrine functions.The prevalence of the disease is largely dependent on culture and geography.The etiological risk-factors associated with CP are multiple and involve both genetic and environmental factors.Throughout this review the M-ANNHEIM classification system will be used,comprising a detailed description of risk factors such as:alcohol-consumption,nicotineconsumption,nutritional factors,hereditary factors,efferent duct factors,immunological factors and miscellaneous and rare metabolic factors.Increased knowledge of the different etiological factors may encourage the use of further advanced diagnostic tools,which potentially will help clinicians to diagnose CP at an earlier stage.However,in view of the multi factorial disease and the complex clinical picture,it is not surprising that treatment of patients with CP is challenging and often unsuccessful. | Christina Brock Lecia Mφller Nielsen Dina Lelic Asbjφrn Mohr Drewes | 2013 | World Journal of Gastroenterology2013，19，42： | 11 |
| 19 | Study on environmental etiology of high incidence areas of liver cancer in China显示文摘INTRODUCTIONChina is a country with a high incidence of liver cancer insome areas.Liver cancer has a wide distribution andthreatens human health seriously.A rough estimationshows that out of a population of 1.2×10~8 in liver | Hoteyi S. Mohamed Ismael | 2000 | World Journal of Gastroenterology2000，6，4： | 11 |
| 20 | Diagnosis and management of pericardial effusion显示文摘Pericardial effusion is a common finding in everyday clinical practice.The first challenge to the clinician is to try to establish an etiologic diagnosis.Sometimes,the pericardial effusion can be easily related to a known underlying disease,such as acute myocardial infarction, cardiac surgery,end-stage renal disease or widespread metastatic neoplasm.When no obvious cause is apparent,some clinical findings can be useful to establish a diagnosis of probability.The presence of acute inflammatory signs(chest pain,fever,pericardial friction rub) is predictive for acute idiopathic pericarditis irrespective of the size of the effusion or the presence or absence of tamponade.Severe effusion with absence of inflammatory signs and absence of tamponade is predictive for chronic idiopathic pericardial effusion,and tamponade without inflammatory signs for neoplastic pericardial effusion.Epidemiologic considerations are very important,as in developed countries acute idiopathic pericarditis and idiopathic pericardial effusion are the most common etiologies,but in some underdeveloped geographic areas tuberculous pericarditis is the leading cause of pericardial effusion.The second point is the evaluation of the hemodynamic compromise caused by pericardial fluid.Cardiac tamponade is not an'all or none'phenomenon,but a syndrome with a continuum of severity ranging from an asymptomatic elevationof intrapericardial pressure detectable only through hemodynamic methods to a clinical tamponade recognized by the presence of dyspnea,tachycardia,jugular venous distension,pulsus paradoxus and in the more severe cases arterial hypotension and shock.In the middle,echocardiographic tamponade is recognized by the presence of cardiac chamber collapses and characteristic alterations in respiratory variations of mitral and tricuspid flow.Medical treatment of pericardial effusion is mainly dictated by the presence of inflammatory signs and by the underlying disease if present.Pericardial drainage is mandatory when clinical tamponade is present.In the absence of clinical tamponade,examination of the pericardial fluid is indicated when there is a clinical suspicion of purulent pericarditis and in patients with underlying neoplasia.Patients with chronic massive idiopathic pericardial effusion should also be submitted to pericardial drainage because of the risk of developing unexpected tamponade.The selection of the pericardial drainage procedure depends on the etiology of the effusion.Simple pericardiocentesis is usually sufficient in patients with acute idiopathic or viral pericarditis.Purulent pericarditis should be drained surgically,usually through subxiphoid pericardiotomy. Neoplastic pericardial effusion constitutes a more difficult challenge because reaccumulation of pericardial fluid is a concern.The therapeutic possibilities include extended indwelling pericardial catheter,percutaneous pericardiostomy and intrapericardial instillation of antineoplastic and sclerosing agents.Massive chronic idiopathic pericardial effusions do not respond to medical treatment and tend to recur after pericardiocentesis, so wide anterior pericardiectomy is finally necessary in many cases. | Jaume Sagristà-Sauleda Axel Sarrias Mercé Jordi Soler-Soler | 2011 | World Journal of Cardiology2011，3，5： | 10 |
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