Surveillance for infection by endoscopy for variant CJD and other human prion diseases

Although the critical factors necessary for IBD pathogenesis remain mysterious, interest in the potential role of defective epithelial barrier function continues to grow. New insight into the mechanisms responsible for barrier dysfunction in IBD may lead to understanding its contribution to disease development and progression.

Guidelines on the management of Helicobacter pylori, which cover indications for management and treatment strategies, were produced in 2000.

Both low birth weight and genetic factors may be integral to the aetiological pathway in irritable bowel syndrome

The diagnosis of fibrosis within liver disease is important for prognosis, stratification for treatment, and monitoring of treatment efficacy. The rising incidence and prevalence of non-alcoholic fatty liver disease (NAFLD) has driven the search for accurate non-invasive tools of liver fibrosis within this condition. With the aid of a systematic review, we explore how the field has evolved from the discovery of simple blood parameters to panel markers of liver fibrosis. We will discuss the biological plausibility, limitations, potential uses, and emerging diagnostic techniques of non-invasive markers in this rapidly expanding field.

The nervous system in the intestine controls motility, secretion, sensory perception, and immune function. Peptidergic neurones with neurotransmitters such as substance P and nerve growth factors have been the main focus of neuroimmunomodulation research in the gut. This review summarises the present knowledge concerning the role of the sympathetic nervous system (SNS) in modulating intestinal inflammation. The role of the SNS for gut inflammation is compared with its role in rheumatoid arthritis which demonstrates notable similarities. Nerve fibres of the SNS not only enter the enteric plexuses but also innervate the mucosa and gut associated lymphoid tissue (GALT). The SNS has pro- and anti-inflammatory functions. Neurotransmitters such as norepinephrine, adenosine, and others can evoke remarkably different opposing effects depending on concentration (presence of sympathetic nerve fibres and extent of neurotransmitter release), receptor affinity at different receptor subtypes, expression of adrenoceptors, availability of cotransmitters, and timing of SNS activity in relation to the inflammatory course. This review attempts to integrate the different perspectives of the pro- and anti-inflammatory effects of the SNS on inflammatory disease of the gut.

There may be a role for disturbed monoaminergic neurotransmission in the pathophysiology of hepatitis C virus associated cerebral dysfunction

Large fields of cancerisation may give more aggressive, but easier to detect, pancreatic ductal adenocarcinoma

What are the long term effects of acid suppressive medication on the risk of gastric and oesophageal cancer?

Outcomes after liver transplantation for alcohol related liver disease compare very favourably with those documented for other causes of cirrhosis. Despite this, 5% or less of patients with advanced alcohol related liver disease are considered for transplantation. The reasons for this are complex but include professional reluctance to refer these patients for formal assessment as well as a limited and dwindling number of organs available for transplantation. Demonstrating abstinence from alcohol consumption remains central to the assessment of candidates for transplantation. Return to alcohol consumption after transplantation can follow a pattern of abuse with consequences for health and survival but may also be controlled and of little clinical significance. A better understanding of the issues influencing these outcomes should decrease the tension that currently exists between patient expectations, professional opinion, and the attitude of the general public who gift organs for donation.

In chronic pancreatitis, obstruction of the main pancreatic duct (MPD) may contribute to the pathogenesis of pain. Pilot studies suggest that extracorporeal shock wave lithotripsy (ESWL) alone relieves pain in calcified chronic pancreatitis.