Summary

Gastrointestinal disease is a very common and frequently occurring disease, with a wide range of types and a total incidence of about 20% of the population. The cause of gastrointestinal disease is the imbalance between the protective mechanism and the injury mechanism of the human body. While traditional medicine kills harmful bacteria in the stomach, it also kills the beneficial bacteria necessary for the stomach. Although the symptoms are alleviated and inflammation is eliminated, the reduction of beneficial bacteria reduces the gastrointestinal immunity. Once the drug is stopped, it is easy to re-infect. There are many reasons for stomach problems, including genetics, environment, diet, drugs, bacterial infections, etc., as well as smoking and excessive alcohol consumption. This collection of entries aims to collect various items related to the topic of gastrointestinal diseases, such as clinical care, case cases, disease research, etc., to help people increase their knowledge and understanding of this common disease

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Entries
Topic Review
Dietary Modulation of Bacteriophages
The role and function of bacteriophages (phages) has been underestimated so far. Natural compounds such as essential oils and tea have been used successfully in naturopathy and folk medicine for hundreds of years. Current research is unveiling the molecular role of their antibacterial, anti-inflammatory, and anticancer properties. The current interdisciplinary review summarizes current knowledge on dietary compounds as to their capacity to modulate the activity of phages, thus potentially contributing to (the modulation of) several gastrointestinal diseases, such as (chronic) inflammation, and even cancer.
  • 1.0K
  • 27 Apr 2021
Topic Review
Microbial Metabolites in Colorectal Cancer
Colorectal cancer (CRC) is one of the leading cancers that cause cancer-related deaths worldwide. The gut microbiota has been proved to show relevance with colorectal tumorigenesis through microbial metabolites. By decomposing various dietary residues in the intestinal tract, gut microbiota harvest energy and produce a variety of metabolites to affect the host physiology. However, some of these metabolites are oncogenic factors for CRC.
  • 1.4K
  • 27 Apr 2021
Topic Review
Ultrasound of Small Bowel Obstruction
Ultrasound is an excellent initial imaging modality for assisting physicians in the rapid and accurate diagnosis of small bowel occlusion.
  • 2.2K
  • 22 Apr 2021
Topic Review
Inflammatory Response in Cancer Cachexia
Cancer cachexia (CC) is a multifactorial clinical complication in numerous human malignancies. Its incidence in Europe is highest in patients with lung (83/36% inpatients/outpatients, respectively) and gastrointestinal cancers (62/42%). There are currently no therapeutic agents used for treatment of this paraneoplastic syndrome, caused by impaired/reduced nutritional intake, or metabolic disorders with increased catabolism and chronic inflammation. In the mechanisms of CC pathogenesis, in addition to inflammation, the role of insulin resistance, damage to mitochondrial function, oxidative stress, as well as the activation of lipolysis and proteolysis through the ubiquitin-proteasome system and macro-autophagy are emphasized. The main target in CC is skeletal and cardiac muscle, as well as the adipose tissue (AT).  The most important role in CRC-associated cachexia is played by pro-inflammatory cytokines, including the tumor necrosis factor α (TNFα), originally known as cachectin, Interleukin (IL)-1, IL-6, and certain chemokines (e.g., IL-8). Heterogeneous CRC cells themselves also produce numerous cytokines (including chemokines), as well as novel factors called “cachexokines”. The tumor microenvironment (TME) contributes to systemic inflammation and increased oxidative stress and fibrosis. 
  • 1.1K
  • 20 Apr 2021
Topic Review
Synbiotics in Inflammatory Bowel Diseases
Inflammatory bowel disease (IBD) is a group of chronic relapsing gastrointestinal disorders that are characterized by inflammation of the gastrointestinal tract. The involvement of three distinct recurrent inflammatory features that sustains the chronic inflammation in IBD have been clearly identified that includes, disturbances in the gut microbiota, dysregulated immune response and altered colonic epithelial integrity. Dietary components such as prebiotic dietary fibres (DF) and probiotics due to their potential in modulating immune functions and influencing microbiota are promising strategies in the context of IBD. In this entry, we review the recent evidence from in-vivo studies to support the application of synergistic synbiotic carrying whole-plant complex prebiotic fibre and probiotic in resolving in the inflammatory cycle in IBD.
  • 909
  • 16 Apr 2021
Topic Review
Radiogenomics in Colorectal Cancer
Colorectal carcinoma is characterized by intratumoral heterogeneity that can be assessed by radiogenomics. Radiomics, high-throughput quantitative data extracted from medical imaging, combined with molecular analysis, through genomic and transcriptomic data, is expected to lead to significant advances in personalized medicine.
  • 853
  • 09 Apr 2021
Topic Review
Training Simulators for Gastrointestinal Endoscopy
Gastrointestinal (GI) endoscopy is the gold standard in the detection and treatment of early and advanced GI cancers. However, conventional endoscopic techniques are technically demanding and require visual-spatial skills and significant hands-on experience. GI endoscopy simulators represent a valid solution to allow doctors to practice in a pre-clinical scenario.
  • 2.3K
  • 09 Apr 2021
Topic Review
Endoscopic Transpapillary
Endoscopic transpapillary defined as all types of advanced endoscopic interventions on pancreatic or billiary ducts through the major duodenal papilla. These interventions are mainly performed during endoscopic retrograde cholangiopancreatography (ERCP). Access to duodenal papilla is achieved endoscopically. After reaching the duodenal papilla in descending part of duodenum, endoscopic interventions on pancreatic or billiary ducts through duodenal papilla are being performed under fluoroscopic control.
  • 1.3K
  • 08 Mar 2021
Topic Review
Non-Alcoholic Steatohepatitis
Non-alcoholic steatohepatitis (NASH) is characterized by an abnormal hepatic lipid accumulation accompanied by a necro-inflammatory process and a fibrotic response.
  • 1.2K
  • 01 Mar 2021
Topic Review
Esophageal and Gastric Tumors
Gastric and esophageal tumors are diverse neoplasms that involve mucosal and submucosal tissue layers and include squamous cell carcinomas, adenocarcinomas, spindle cell neoplasms, neuroendocrine tumors, marginal B cell lymphomas, along with less common tumors. The worldwide burden of esophageal and gastric malignancies is significant, with esophageal and gastric cancer representing the ninth and fifth most common cancers, respectively. The approach to diagnosis and staging of these lesions is multimodal and includes a combination of gastrointestinal endoscopy, endoscopic ultrasound, and cross-sectional imaging. Likewise, therapy is multidisciplinary and combines therapeutic endoscopy, surgery, radiotherapy, and systemic chemotherapeutic tools. Future directions for diagnosis of esophageal and gastric malignancies are evolving rapidly and will involve advances in endoscopic and endosonographic techniques including tethered capsules, optical coherence tomography, along with targeted cytologic and serological analyses. 
  • 1.6K
  • 23 Feb 2021
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