abstract：PURPOSE OF REVIEW:Virulence factors are related to the ability of a microbe to induce disease. True virulence factors must therefore have a disease association, an in-vivo correlate with disease such as increased mucosal inflammation, or both. RECENT FINDINGS:The cytotoxin-associated gene pathogenicity island; the out...

journal_title：Current opinion in gastroenterology

authors： Lu H,Yamaoka Y,Graham DY

更新日期：2005-11-01 00:00:00

abstract：PURPOSE OF REVIEW:Irritable bowel syndrome is a common and likely a multifactorial gastrointestinal disorder in which a disturbed brain-gut axis has been thought to have a mandatory role. Recent clinical and experimental studies imply that dietary factors may be more important in the pathogenesis of irritable bowel syn...

journal_title：Current opinion in gastroenterology

authors： Kalliomäki MA

更新日期：2005-11-01 00:00:00

abstract：PURPOSE OF REVIEW:Exciting new developments and applications of imaging techniques in pancreatic diseases have emerged. This review discusses these new advances and how they are improving our ability to diagnose malignancies and inflammatory lesions, to grade severity of pancreatitis, and to stage pancreatic cancer acc...

journal_title：Current opinion in gastroenterology

authors： Kwon RS,Brugge WR

更新日期：2005-09-01 00:00:00

abstract：PURPOSE OF REVIEW:The human gut is the natural habitat for a large and dynamic bacterial community. There is a substantial body of evidence implicating the resident flora in the pathogenesis of chronic intestinal inflammation. This review discusses the possible role of a microbial imbalance in the pathophysiology of in...

journal_title：Current opinion in gastroenterology

authors： Guarner F

更新日期：2005-07-01 00:00:00

abstract：PURPOSE OF THIS REVIEW:In the last 2 years, several studies have been published that will change the management of patients with Barrett's esophagus. In this review, we will discuss the most relevant studies as well as future prospects in this field. RECENT FINDINGS:Long-term follow-up studies have shown that to be co...

journal_title：Current opinion in gastroenterology

authors： Bergman JJ

更新日期：2005-07-01 00:00:00

abstract：PURPOSE OF REVIEW:This article highlights recent advances in viral hepatitis published from December 2003 to November 2004. Studies reporting novel and clinically relevant findings were selected after a PubMed search. The aim is to provide an up-to-date summary of important developments in viral hepatitis. RECENT FIND...

journal_title：Current opinion in gastroenterology

authors： Fung SK,Lok AS

更新日期：2005-05-01 00:00:00

abstract：PURPOSE OF REVIEW:Rotavirus infection is the leading cause of severe dehydrating gastroenteritis, responsible for an estimated 440,000 deaths per year in children less than 5 years of age worldwide. There was great optimism when the first rotavirus vaccine was licensed in the United States in July 1998 (rhesus rotaviru...

journal_title：Current opinion in gastroenterology

authors： Bines JE

更新日期：2005-01-01 00:00:00

abstract：PURPOSE OF REVIEW:Most colorectal cancers (CRCs) have deletions, duplications, and rearrangements of their chromosomes that reflect a destabilizing process called chromosomal instability (CIN). The cause of CIN is controversial, but no intrinsic mutation in cancer cells has been reported that can reasonably account for...

journal_title：Current opinion in gastroenterology

authors： Niv Y,Goel A,Boland CR

更新日期：2005-01-01 00:00:00

abstract：PURPOSE OF REVIEW:Functional dyspepsia is a common disorder, most of the time of unknown etiology and with variable pathophysiology. Therapy has been and still is largely empirical. Data from recent studies provide new clues for targeted therapy based on knowledge of etiology and pathophysiologic mechanisms. RECENT FI...

journal_title：Current opinion in gastroenterology

authors： Kleibeuker JH,Thijs JC

更新日期：2004-11-01 00:00:00

abstract：PURPOSE OF REVIEW:Ampullary tumors, usually adenomas, are often encountered during endoscopic evaluation, especially in patients with familial adenomatous polyposis (FAP). Because of the risk of progression to adenocarcinoma, ampullary adenomas should be treated. Endoscopic therapy is an appropriate option and recent e...

journal_title：Current opinion in gastroenterology

authors： Wong RF,DiSario JA

更新日期：2004-09-01 00:00:00

abstract：PURPOSE OF REVIEW:Inflammatory bowel disease commonly affects women during the childbearing years, and young couples are often concerned about the potential effects of inflammatory bowel disease on fertility, pregnancy, and the fetus. This review will critically consider advances over the past 2 years in our knowledge ...

journal_title：Current opinion in gastroenterology

authors： Katz JA

更新日期：2004-07-01 00:00:00

abstract：PURPOSE OF REVIEW:Esophageal varices and Mallory Weiss syndrome are the two major esophageal bleeding disorders. Although there have been major breakthroughs in the treatment of peptic ulcer bleeding, the management of esophageal bleeding disorders remains a challenging problem. This review focuses on studies published...

journal_title：Current opinion in gastroenterology

authors： Wu JC,Chan FK

更新日期：2004-07-01 00:00:00

abstract：PURPOSE OF REVIEW:This review discusses the advances in the pathophysiology, diagnosis, and management of the complications of portal hypertension that have occurred in the past year. RECENT FINDINGS:The specific topics reviewed are the pathophysiology of portal hypertension (including recent findings regarding intrah...

journal_title：Current opinion in gastroenterology

authors： Garcia-Tsao G

更新日期：2004-05-01 00:00:00

abstract：PURPOSE OF REVIEW:Enteral nutrition is now the preferred route of nutritional support in malnourished and ICU patients. Studies providing evidence of its efficacy, techniques of administration, and outcome are appearing daily in the literature. This review presents the most important publications in this area and criti...

journal_title：Current opinion in gastroenterology

authors： Jeejeebhoy KN

更新日期：2004-03-01 00:00:00

abstract：PURPOSE OF REVIEW:The remarkable resistance of the mucosal lining the upper gastrointestinal tract to concentrated gastric acid remains one of the biggest unsolved mysteries of upper gastrointestinal physiology. Even with the discovery of the involvement of Helicobacter pylori in gastroduodenal injury, the mechanism by...

journal_title：Current opinion in gastroenterology

authors： Bi LC,Kaunitz JD

更新日期：2003-11-01 00:00:00

abstract：:A part of living in a new and exciting era for the biologic sciences and medicine, novel high throughput tools allow exploration of the human genome in an unprecedented manner. This "information revolution" is fueled by the study of genome-wide expression profiles for complex biologic and pathophysiologic conditions u...

journal_title：Current opinion in gastroenterology

authors： Fernandez-Zapico ME,Callahan G,Delgado S,Urrutia R

更新日期：2003-09-01 00:00:00

abstract：:Globally, gastroesophageal reflux disease (GERD) remains a common and important clinical disorder. This review summarizes the major advances in the understanding and treatment of GERD that have been made in the past 12 months. Epidemiologic studies have yielded additional data on the clinical presentation and natural ...

journal_title：Current opinion in gastroenterology

authors： Nguyen NQ,Holloway RH

更新日期：2003-07-01 00:00:00

abstract：:Highlighting this year was the National Institutes of Health (NIH) State-of-the-Science Conference on endoscopic retrograde cholangiopancreatography. The panel addressed controversies in biliary endoscopy and set the framework for future funding for clinical research endeavors. With respect to biliary endoscopy, the l...

journal_title：Current opinion in gastroenterology

authors： Beilstein MC,Kochman ML

更新日期：2003-05-01 00:00:00

abstract：:Water-soluble vitamins are required as enzyme cofactors in a wide variety of metabolic reactions. Riboflavin, niacin, and vitamin C are essential in redox reactions; thiamine and biotin are involved in macronutrient metabolism; and folate, vitamin B12, pyridoxine, and riboflavin play important roles in the regulation ...

journal_title：Current opinion in gastroenterology

authors： Halsted CH

更新日期：2003-03-01 00:00:00

abstract：:Intestinal parasites continue to be a significant health problem in both developed and developing countries. In developed countries, protozoans are more commonly the cause of gastrointestinal infections than are helminths. Some protozoan parasites have stages in which, in addition to being resistant to chemicals used ...

journal_title：Current opinion in gastroenterology

authors： Harp JA

更新日期：2003-01-01 00:00:00

abstract：:Diarrhea is a common sequela of deregulated immune pathways underlying the wide range of intestinal acute and chronic diseases. The ongoing investigation of novel immune components and susceptibility factors allows better understanding of these pathologic mechanisms and continues to advance therapeutic options. ...

journal_title：Current opinion in gastroenterology

authors： Lahav M,Chang E

更新日期：2002-11-01 00:00:00

abstract：:The neurohormonal control of pancreatic exocrine secretion is a complex interaction of multiple pathways involving a large number of gut hormones, neurotransmitters, and neuropeptides. Recent studies have elucidated a role for cholecystokinin in the regulation of bicarbonate and fluid secretion from pancreatic duct ce...

journal_title：Current opinion in gastroenterology

authors： Nathan JD,Liddle RA

更新日期：2002-09-01 00:00:00

abstract：:Gastroesophageal reflux disease (GERD) affects many patients and has a negative effect on quality of life. Along with the increasing prevalence of GERD is an increase in GERD-related complications, including Barrett esophagus and esophageal adenocarcinoma. The past year has yielded new insights into the pathophysiolog...

journal_title：Current opinion in gastroenterology

authors： Sifrim D,Zerbib F

更新日期：2002-07-01 00:00:00

abstract：:The elucidation of metabolic pathways and the genetic basis for diseases of the liver continues to increase our understanding of disease pathogenesis and advance treatment options. This selective review covers a wide range of subjects, from the identification of novel proteins and the importance of specific transport ...

journal_title：Current opinion in gastroenterology

authors： Schilsky ML

更新日期：2002-05-01 00:00:00

abstract：:Therapeutic biliary endoscopy continues to evolve. Key articles this year primarily involve biliary stenting and biliary stone removal, the two important maneuvers available to the biliary endoscopist. The issues addressed in this review include follow-up after the use of multiple stents for benign strictures, unilate...

journal_title：Current opinion in gastroenterology

authors： Barnett JL

更新日期：2002-05-01 00:00:00

abstract：:Over the past several years, the pharmacologic treatment of obesity has undergone changes in safety, efficacy, and therapeutic targeting. The prevalence of cardiac valvulopathy associated with treatment with phentermine, fenfluramine, and dexfenfluramine is now becoming clarified with the publication of longer-term st...

journal_title：Current opinion in gastroenterology

authors： Kushner RF,Manzano H

更新日期：2002-03-01 00:00:00

abstract：:Toxic effects in the upper gastrointestinal tract, primarily complicated gastric and intestinal ulcers, are the most common undesirable effects of the nonsteroidal anti-inflammatory drugs. During the last several years, there have been several advances, both in the laboratory and clinically, toward reducing nonsteroid...

journal_title：Current opinion in gastroenterology

authors： Cryer B

更新日期：2001-11-01 00:00:00

abstract：:Recently, much progress has been made in the field of tumor immunology. Much of this work has focused on understanding and exploiting the innate immune response to tumor cells. A novel human receptor-ligand system that mediates natural killer (NK) and gammadelta T-cell killing of carcinoma cells has been identified, a...

journal_title：Current opinion in gastroenterology

authors： Golby SJ,Spencer J

更新日期：2001-11-01 00:00:00

abstract：:Advances in cellular and molecular biology of extrahepatic cholangiocarcinoma and gallbladder adenocarcinoma are providing innovative means for the diagnosis and treatment of biliary tract cancer. Similarly, refinements in noninvasive studies--including helical computed tomography, magnetic resonance cholangiopancreat...

journal_title：Current opinion in gastroenterology

authors： Abdalla EK,Vauthey JN

更新日期：2001-09-01 00:00:00

abstract：:The treatment of inflammatory bowel disease is a continually evolving area and a major focus of the current literature in gastroenterology. As further information is gained in the areas of etiology, pathophysiology, and natural history of the disease, new agents are developed, and management strategies are revised. Th...

journal_title：Current opinion in gastroenterology

authors： Nash CL,Sutherland LR

更新日期：2001-07-01 00:00:00

abstract：:Over the last year, several interesting studies have been published on the treatment of esophageal carcinoma. Surprisingly, none of them was a randomized phase III trial. The debate on the necessary extent of a potentially curative surgical resection is ongoing. After initially disappointing results, the innovative te...

journal_title：Current opinion in gastroenterology

authors： van Lanschot JJ,González González D,Richel DJ

更新日期：2001-07-01 00:00:00

abstract：:Traditional anatomic pathology studies and molecular investigations both contributed to the breadth of current information in the field of liver pathology this year. Techniques such as reverse transcription polymerase chain reaction can identify recurrence of hepatitis C virus infection in the liver as early as 5 days...

journal_title：Current opinion in gastroenterology

authors： Lefkowitch JH

更新日期：2001-05-01 00:00:00

abstract：:Portal hypertension is the main complication of cirrhosis and is responsible for its most common complications: variceal hemorrhage, ascites, and portosystemic encephalopathy. Portal hypertension is the result of increased intrahepatic resistance and increased portal venous inflow, which in turn is the result of splan...

journal_title：Current opinion in gastroenterology

authors： Garcia-Tsao G

更新日期：2001-05-01 00:00:00

abstract：:Molecular-phylogenetic methods have revolutionized the analysis of complex microbial communities. Polymerase chain reaction amplification and phylogenetic analysis of small-subunit ribosomal RNA gene sequences allow microbes to be identified objectively, even in the absence of cultivation. Furthermore, the sequence in...

journal_title：Current opinion in gastroenterology

authors： Frank DN,Pace NR

更新日期：2001-01-01 00:00:00

abstract：:Gastric adenocarcinoma is the most common malignancy of the upper gastrointestinal tract. During the past two decades it has migrated toward the gastroesophageal junction. Gastroesophageal reflux and obesity may play a role. Recent research suggests that a number of biologic and molecular differences exist in patients...

journal_title：Current opinion in gastroenterology

authors： Yao JC,Ajani JA

更新日期：2000-11-01 00:00:00

abstract：:The pancreatic acinar cell is a valuable cell model for understanding how activation of plasma membrane receptors generates signals that propagate, amplify, diversify, and integrate to control cellular function. A primary signaling system involves the activation of heterotrimeric G proteins that stimulate phospholipas...

journal_title：Current opinion in gastroenterology

authors： Logsdon CD

更新日期：2000-09-01 00:00:00

abstract：:Endoscopic management of biliary disease remains at the forefront of minimally invasive means of providing therapy, as well as contributing important diagnostic information in complex clinical scenarios. The authors review recent advances and reported trials of therapy and revisit important controversial issues. The m...

journal_title：Current opinion in gastroenterology

authors： Lew RJ,Kochman ML

更新日期：2000-09-01 00:00:00

abstract：:This year's review has been divided into five sections: The first describes the natural history of drug-induced liver disease, the second discusses the issue of placebo-related increases in liver-associated enzymes, the third describes agents newly reported to cause hepatic injury, the fourth discusses new reports of ...

journal_title：Current opinion in gastroenterology

authors： Mayoral W,Lewis JH

更新日期：2000-05-01 00:00:00

abstract：:The development of small bowel transplantation has long been hindered by the immunological and infectious barriers peculiar to the small bowel. Gradual progress has been achieved during the past decade with the use of tacrolimus and the availability of better anti-infection prophylaxis. The current status of small bow...

journal_title：Current opinion in gastroenterology

authors： Prasad KR,Pollard SG

更新日期：2000-03-01 00:00:00

abstract：:Complementary and alternative medicine (CAM) is becoming increasingly utilized as a form of health care, with recent studies suggesting that over 40% of Americans use some form of CAM. This has major financial implications for the health care industry. Traditional physicians frequently are unaware of CAM use by their ...

journal_title：Current opinion in gastroenterology

authors： Haas L,McClain C,Varilek G

更新日期：2000-03-01 00:00:00